18108( 7) - 26-Feb-2026 15:16:45 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18108 Version: 7 Check-in Time: 26-Feb-2026 15:16:45 STScI Edit Number: 1 Title Beyond hydrogen and helium: an exhaustive survey of escaping metals in ultra-hot Jupiters around bright, hot stars ------------------------------------------------------------------------------------ Type Cycle GO 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Leonardo Dos Santos Space Telescope Science Institute Y CoI: Dr. Munazza Alam Space Telescope Science Institute N CoI: Dr. James Kirk Imperial College London N CoI: Prof. David Ehrenreich University of Geneva, Department of N Astronomy CoI: Dr. Vincent Bourrier University of Geneva, Department of N Astronomy CoI: Prof. Aline Vidotto Universiteit Leiden N CoI: Dr. Shreyas Vissapragada Carnegie Institution of Washington N CoI: Dr. Antonio Garcia Munoz Universite Paris-Saclay N CoI: Prof. David K. Sing The Johns Hopkins University N CoI: Ms. Lakeisha M. Ramos Rosado The Johns Hopkins University N CoI: Dr. Joshua D. Lothringer Space Telescope Science Institute N CoI: Dr. Antonija Oklopcic Universiteit van Amsterdam N CoI: Dr. Julia Seidel European Southern Observatory - Chile N CoI: Dr. Jens Hoeijmakers Lund University N CoI: Mr. Andrew Allan Universiteit Leiden N CoI: Dr. Adrien Deline University of Geneva, Department of N Astronomy CoI: Patrick McCreery The Johns Hopkins University N ------------------------------------------------------------------------------------ Abstract Two decades ago, HST UV observations spearheaded the discovery of atmospheric escape from exoplanets, and it is now widely accepted that this process explains exoplanet population demographic features, the chemical composition of atmospheres in Solar System bodies, and resolves the curious lack of atmospheres in worlds orbiting M dwarfs. A wave of theoretical efforts to understand escape in hot exoplanets ensued, with the caveat that many efforts have assumed that atmospheres are composed of pure H+He. With the knowledge that this assumption limits our understanding of atmospheric escape, we hit a breaking point in our theoretical efforts: how do we best incorporate metals in our models? Our blindspot to the effects of metallicity has a downstream effect that limits our capacity to assess if smaller planets are able to retain their volatile-rich atmospheres, as they tend to be more metal-rich than larger exoplanets. While hot Jupiters orbiting A-type stars are under no threat of losing significant fractions of their mass, they are the best targets to study atmospheric escape because they have the strongest and most detectable signals of exospheric metals in transmission spectroscopy. These signatures can only be observed by HST in the ultraviolet. The new observations we propose to observe will complement archival data from previous programs and yield an comprehensive survey that will measure the abundances of metals in their outflows and assess how efficiently these planets are 18108( 7) - 26-Feb-2026 15:16:45 - [ 2] evaporating. Our study exhausts the sample of known ultra-hot Jupiters orbiting bright A-type stars, the most extreme planets known to us. ------------------------------------------------------------------------------------ Observations Description ------------------------ In this program, we aim to obtain exoplanet transit time-series observations of five ultrahot Jupiters orbiting bright, A-type stellar hosts. These hosts have strong continuum flux in the UV, allowing for precise measurements of atmospheric absorption during exoplanet transits. In fact, some of them are actually too bright to be observed with first-order spectroscopy or TIME-TAG mode. We describe each case below. We decided to use the widest slit available and supported for this program to minimize slit losses. For first-order spectra, we shall utilize 52x2'', which has the most stable spectrophotometric precision; for echelle observations, there are not many options and we shall use the usual 0.2x0.2'' to avoid order overlap. WASP-189b and MASCARA-4b: FUV observations with G140L using the TIME-TAG mode produce heavy data loads, which will require special handling. NUV observations are too bright for TIME-TAG mode, even with E230H, and we choose ACCUM mode instead. We choose an exposure time > 120 s to allow for parallized memory buffer dumps and minimize overheads. KELT-17b: FUV and NUV observations with G140L and E230M, respectively, can be executed in TIME-TAG mode, but produce heavy data, which will require special handling. KELT-9b: FUV observations with G140L exceed global count rate limit of 30k cts/s, so we decided to use the echelle mode E140M. Observations are too bright for TIME-TAG mode and we choose ACCUM mode instead. We choose an exposure time > 120 s to allow for parallized memory buffer dumps and minimize overheads. KELT-20b: NUV observations are too bright for TIME-TAG mode, even with E230H, and we choose ACCUM mode instead. We choose an exposure time > 120 s to allow for parallized memory buffer dumps and minimize overheads. Observability: - WASP-189: January-June - MASCARA-4: All year round - KELT-17: October-February - KELT-9: All year round - KELT-20: March-September ------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 WASP-189 EXT-STAR, A4-A9 V-IV, RA=15H02M44.8679S, J2000 V = 6.618 EXTRA-SOLAR PLANETARY DEC=-03D01'52.99" SYSTEM Reference Frame: ICRS Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -0.0033695816691934975 -0.023754999938319088 0.0100997 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-9 EXT-STAR, A0-A3 V-IV, RA=20H31M26.3534S, J2000 V = 7.56 EXTRA-SOLAR PLANETARY DEC=+39D56'19.77" SYSTEM Reference Frame: ICRS Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0014535315042564344 0.020960999999999997 0.0048258 ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 3 KELT-17 EXT-STAR, A4-A9 V-IV, RA=08H22M28.2047S, J2000 V = 9.23 EXTRA-SOLAR PLANETARY DEC=+13D44'7.14" SYSTEM Reference Frame: ICRS Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -0.001741879274903392 -0.0019549999251466943 0.0043907 ------------------------------------------------------------------------------------------------------------------------------------ 5 KELT-20 EXT-STAR, A0-A3 V-IV, RA=19H38M38.7352S, J2000 V = 7.58 EXTRA-SOLAR PLANETARY DEC=+31D13'9.22" SYSTEM Reference Frame: ICRS Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 2.4563731590625487E-4 -0.006264999910854385 0.0073000999999999995 ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 5] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 7 MASCARA-4 EXT-STAR, A0-A3 V-IV, RA=09H50M19.2009S, J2000 V = 8.19 EXTRA-SOLAR PLANETARY DEC=-66D06'49.90" SYSTEM Reference Frame: ICRS Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 9.730307565539829E-4 -0.015044000042507832 0.0059437 ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 6] Visit: 01 (WASP-189b/FUV/Transit 1) Visit Requirements: SCHED 100%; ORIENT 132D TO 279 D; ORIENT 312D TO 99 D; Period 2.7240330 D AND ZERO-PHASE HJD2458926.5416960 On Hold Comments: Additional Comments: Ephemeris from Lendl+2020. Transit midpoint uncertainty by January 2026 is << 1 minute. In the FUV, the current strategy is to use G140L. But we can also consider going for E140M; ETC results for comparison are here: STIS.sp.2023891 (G140L results are in STIS.sp.2022820). Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 WASP-189 STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.9222415195900099 S) TO 0.93753746742422 ------------------------------------------------------------------------------------------------------------------------------------ 2 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 13 120 S -MAMA see below (1612 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 8 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 1 124.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 8] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 1 124.0 S -MAMA WAVE 3 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 1 N/A -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 2 N/A -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 9] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 3 N/A -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 4 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 10] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 4 N/A -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 5 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 11] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 12] Visit: 02 (WASP-189b/FUV/Transit 2) Visit Requirements: SCHED 100%; ORIENT 132D TO 279 D; ORIENT 312D TO 99 D; Period 2.7240330 D AND ZERO-PHASE HJD2458926.5416960 On Hold Comments: Additional Comments: Ephemeris from Lendl+2020. Transit midpoint uncertainty by January 2026 is << 1 minute. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 WASP-189 STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.9375374674242198 S) TO 0.9528334152584299 ------------------------------------------------------------------------------------------------------------------------------------ 2 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 13 120 S -MAMA see below (1612 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 13] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 8 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 WASP-189 STIS/FUV ACCUM 52X2 G140L 1425 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: ETC sim for 52x2'' aperture: STIS.sp.2022820 (SNR~61 at 1425A) ETC sim for 52x0.5'' aperture: STIS.sp.2022821 (SNR~57 at 1425 A) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 1 124.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 14] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 1 124.0 S -MAMA WASP-189 2 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 1 124.0 S -MAMA WAVE 3 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 1 N/A -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 2 121.0 S -MAMA WASP-189 4 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 2 N/A -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 15] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 3 121.0 S -MAMA WASP-189 6 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 3 N/A -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 4 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 16] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 4 121.0 S -MAMA WASP-189 8 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 4 N/A -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 1 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 2 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 3 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 4 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 5 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 6 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 7 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 8 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 9 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 10 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 11 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 12 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 13 none 5 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 17] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 14 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 15 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 16 none 5 121.0 S -MAMA WASP-189 10 STIS/FUV ACCUM 52X2 G140L 1425 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 18] Visit: 03 (WASP-189b/NUV/Transit 1) Visit Requirements: SCHED 100%; Period 2.7240330 D AND ZERO-PHASE HJD2458926.5416960 On Hold Comments: Additional Comments: Ephemeris from Lendl+2020. Transit midpoint uncertainty by January 2026 is << 1 minute. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 WASP-189 STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.9222415195900099 S) TO 0.93753746742422 ------------------------------------------------------------------------------------------------------------------------------------ 2 WASP-189 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1638 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 WASP-189 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 19] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 6 WASP-189 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 WASP-189 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 20] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 WASP-189 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 1 126.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 21] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 1 126.0 S -MAMA WAVE 3 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 1 N/A -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 2 N/A -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 22] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 3 N/A -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 4 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 23] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 4 N/A -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 5 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 24] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 25] Visit: 04 (WASP-189b/NUV/Transit 2) Visit Requirements: SCHED 100%; Period 2.7240330 D AND ZERO-PHASE HJD2458926.5416960 On Hold Comments: Additional Comments: Ephemeris from Lendl+2020. Transit midpoint uncertainty by January 2026 is << 1 minute. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 WASP-189 STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.9375374674242198 S) TO 0.9528334152584299 ------------------------------------------------------------------------------------------------------------------------------------ 2 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1638 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 26] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 6 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 27] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 1 126.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 28] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 1 126.0 S -MAMA WAVE 3 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 1 N/A -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 2 N/A -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 29] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 3 N/A -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 4 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 30] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 4 N/A -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 5 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 31] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 32] Visit: 05 (MASCARA-4b/FUV/Transit 1) Visit Requirements: SCHED 100%; Period 2.8240932 D AND ZERO-PHASE HJD2459321.97544 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. XXX IMPORTANT XXX: Transit midpoint uncertainty by January 2026 is ~5 minutes and increases to ~6 minutes in 2027. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 MASCARA-4 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9209480763595196 TO 0.9357020747993255 ------------------------------------------------------------------------------------------------------------------------------------ 2 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 2000 S -MAMA G (2000 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 33] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A MASCARA-4 2 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 1 N/A -MAMA G WAVE 3 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 1 N/A -MAMA MASCARA-4 4 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 2 2444.0 S -MAMA G WAVE 5 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 2 N/A -MAMA MASCARA-4 6 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 3 2444.0 S -MAMA G WAVE 7 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 3 N/A -MAMA MASCARA-4 8 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 4 2444.0 S -MAMA G WAVE 9 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 4 N/A -MAMA MASCARA-4 10 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 5 2444.0 S -MAMA G WAVE 11 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 34] Visit: 06 (MASCARA-4b/FUV/Transit 2) Visit Requirements: SCHED 100%; Period 2.8240932 D AND ZERO-PHASE HJD2459321.97544 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. XXX IMPORTANT XXX: Transit midpoint uncertainty by January 2026 is ~5 minutes and increases to ~6 minutes in 2027. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 MASCARA-4 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9427512751113644 TO 0.9575052735511703 ------------------------------------------------------------------------------------------------------------------------------------ 2 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 WAVECAL=NO, BUFFER-TIME=368 1 2000 S -MAMA G (2000 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 MASCARA-4 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=368, WAVECAL=NO 1 3000 S -MAMA G see below (2444 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 35] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A MASCARA-4 2 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 1 N/A -MAMA G WAVE 3 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 1 N/A -MAMA MASCARA-4 4 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 2 2444.0 S -MAMA G WAVE 5 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 2 N/A -MAMA MASCARA-4 6 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 3 2444.0 S -MAMA G WAVE 7 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 3 N/A -MAMA MASCARA-4 8 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 4 2444.0 S -MAMA G WAVE 9 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 4 N/A -MAMA MASCARA-4 10 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 5 2444.0 S -MAMA G WAVE 11 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 36] Visit: 07 (MASCARA-4b/NUV/Transit 1) Visit Requirements: SCHED 100%; Period 2.8240759 D AND ZERO-PHASE HJD2459321.97544 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. XXX IMPORTANT XXX: Transit midpoint uncertainty by January 2026 is ~5 minutes and increases to ~6 minutes in 2027. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 MASCARA-4 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9209480763595196 TO 0.9357020747993255 ------------------------------------------------------------------------------------------------------------------------------------ 2 MASCARA-4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1677 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 MASCARA-4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 MASCARA-4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 MASCARA-4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 MASCARA-4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 0.2X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 37] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 1 129.0 S -MAMA WAVE 3 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 1 N/A -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 2 123.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 38] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 2 123.0 S -MAMA WAVE 5 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 2 N/A -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 3 123.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 39] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 3 123.0 S -MAMA WAVE 7 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 3 N/A -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 4 123.0 S -MAMA WAVE 9 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 40] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 1 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 2 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 3 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 4 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 5 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 6 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 7 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 8 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 9 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 10 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 11 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 12 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 13 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 14 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 15 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 16 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none 17 none 5 123.0 S -MAMA WAVE 11 STIS/NUV ACCUM 0.2X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 41] Visit: 08 (MASCARA-4b/NUV/Transit 2) Visit Requirements: SCHED 100%; Period 2.8240932 D AND ZERO-PHASE HJD2459321.97544 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. XXX IMPORTANT XXX: Transit midpoint uncertainty by January 2026 is ~5 minutes and increases to ~6 minutes in 2027. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 MASCARA-4 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9427512751113644 TO 0.9575052735511703 ------------------------------------------------------------------------------------------------------------------------------------ 2 MASCARA-4 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1677 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 MASCARA-4 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 MASCARA-4 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 MASCARA-4 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 MASCARA-4 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2091 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 42] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 1 129.0 S -MAMA MASCARA-4 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 1 129.0 S -MAMA WAVE 3 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 1 N/A -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 2 123.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 43] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 2 123.0 S -MAMA MASCARA-4 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 2 123.0 S -MAMA WAVE 5 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 2 N/A -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 3 123.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 44] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 3 123.0 S -MAMA MASCARA-4 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 3 123.0 S -MAMA WAVE 7 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 3 N/A -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 4 123.0 S -MAMA MASCARA-4 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 4 123.0 S -MAMA WAVE 9 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 45] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 5 123.0 S -MAMA MASCARA-4 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 5 123.0 S -MAMA WAVE 11 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 46] Visit: 09 (KELT-17b/FUV/Transit 1) Visit Requirements: SCHED 100%; Period 3.08017985 D AND ZERO-PHASE HJD2459440.791304 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is ~30 seconds. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-17 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9318614562891574 TO 0.94538880491676 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 2000 S -MAMA G see below (1969 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 47] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-17 2 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 1 1969.0 S -MAMA G WAVE 3 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 1 N/A -MAMA KELT-17 4 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 2 2411.0 S -MAMA G WAVE 5 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 2 N/A -MAMA KELT-17 6 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 3 2411.0 S -MAMA G WAVE 7 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 3 N/A -MAMA KELT-17 8 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 4 2411.0 S -MAMA G WAVE 9 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 4 N/A -MAMA KELT-17 10 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 5 2411.0 S -MAMA G WAVE 11 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 48] Visit: 10 (KELT-17b/FUV/Transit 2) Visit Requirements: SCHED 100%; Period 3.08017985 D AND ZERO-PHASE HJD2459440.791304 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is ~30 seconds. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-17 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9476833279448492 TO 0.9612106765724518 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 1700 S -MAMA G see below (1969 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-17 STIS/FUV TIME-TA 52X2 G140L 1425 BUFFER-TIME=790, WAVECAL=NO 1 3000 S -MAMA G see below (2411 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 52X0.2 G140L 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 49] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-17 2 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 1 1969.0 S -MAMA G WAVE 3 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 1 N/A -MAMA KELT-17 4 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 2 2411.0 S -MAMA G WAVE 5 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 2 N/A -MAMA KELT-17 6 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 3 2411.0 S -MAMA G WAVE 7 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 3 N/A -MAMA KELT-17 8 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 4 2411.0 S -MAMA G WAVE 9 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 4 N/A -MAMA KELT-17 10 STIS/FUV TIME-TA 52X2 G140L 1425 none none none none 5 2411.0 S -MAMA G WAVE 11 STIS/FUV ACCUM 52X0.2 G140L 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 50] Visit: 11 (KELT-17b/NUV/Transit 1) Visit Requirements: SCHED 100%; Period 3.08017985 D AND ZERO-PHASE HJD2459440.791304 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is ~30 seconds. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-17 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9318614562891574 TO 0.94538880491676 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1638 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 51] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 1 126.0 S -MAMA WAVE 3 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 1 N/A -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 2 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 52] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 2 N/A -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 53] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 3 N/A -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 54] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 55] Visit: 12 (KELT-17b/NUV/Transit 2) Visit Requirements: SCHED 100%; Period 3.08017985 D AND ZERO-PHASE HJD2459440.791304 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is ~30 seconds. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-17 STIS/CCD ACQ F25ND3 MIRROR 1 1 S (1 S) PHASE 0.9476833279448492 TO 0.9612106765724518 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1638 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-17 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 56] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 1 126.0 S -MAMA KELT-17 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 1 126.0 S -MAMA WAVE 3 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 1 N/A -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 2 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 57] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 2 121.0 S -MAMA KELT-17 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 2 N/A -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 58] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 3 121.0 S -MAMA KELT-17 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 3 N/A -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 4 121.0 S -MAMA KELT-17 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 59] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 5 121.0 S -MAMA KELT-17 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 60] Visit: 13 (KELT-9b/FUV/Transit 1) Visit Requirements: SCHED 100%; Period 1.48111874 D AND ZERO-PHASE HJD2458955.970923 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is 0.36 minutes. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-9 STIS/CCD ACQ F25ND3 MIRROR 1 0.5 S (0.5 PHASE 0.8548728634040308 S) TO 0.8830046611012968 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 13 120 S -MAMA see below (1677 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 61] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 1 129.0 S -MAMA WAVE 3 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 1 N/A -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 2 122.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 62] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 2 122.0 S -MAMA WAVE 5 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 2 N/A -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 3 122.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 63] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 3 122.0 S -MAMA WAVE 7 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 3 N/A -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 4 122.0 S -MAMA WAVE 9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 64] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 5 122.0 S -MAMA WAVE 11 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 65] Visit: 14 (KELT-9b/FUV/Transit 2) Visit Requirements: SCHED 100%; Period 1.48111874 D AND ZERO-PHASE HJD2458955.970923 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is 0.36 minutes. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-9 STIS/CCD ACQ F25ND3 MIRROR 1 0.5 S (0.5 PHASE 0.8769058128283473 S) TO 0.9050376105256134 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 13 120 S -MAMA see below (1677 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 WAVECAL=NO 17 120 S -MAMA see below (2074 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 66] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 1 129.0 S -MAMA KELT-9 2 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 1 129.0 S -MAMA WAVE 3 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 1 N/A -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 2 122.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 67] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 2 122.0 S -MAMA KELT-9 4 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 2 122.0 S -MAMA WAVE 5 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 2 N/A -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 3 122.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 68] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 3 122.0 S -MAMA KELT-9 6 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 3 122.0 S -MAMA WAVE 7 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 3 N/A -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 4 122.0 S -MAMA KELT-9 8 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 4 122.0 S -MAMA WAVE 9 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 69] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 1 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 2 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 3 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 4 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 5 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 6 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 7 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 8 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 9 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 10 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 11 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 12 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 13 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 14 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 15 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 16 none 5 122.0 S -MAMA KELT-9 10 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none 17 none 5 122.0 S -MAMA WAVE 11 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 70] Visit: 15 (KELT-20b/NUV/Transit 1) Visit Requirements: SCHED 100%; Period 3.47410042 D AND ZERO-PHASE HJD2459288.807775 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is 0.19 minutes. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-20 STIS/CCD ACQ F25ND3 MIRROR 1 0.5 S (0.5 PHASE 0.9404283621731062 S) TO 0.9524218467366041 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1638 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 71] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 1 126.0 S -MAMA WAVE 3 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 1 N/A -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 2 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 72] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 2 N/A -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 73] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 3 N/A -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 74] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 75] Visit: 16 (KELT-20b/NUV/Transit 2) Visit Requirements: SCHED 100%; Period 3.47410042 D AND ZERO-PHASE HJD2459288.807775 On Hold Comments: Additional Comments: Ephemeris from Kokori+2023. Transit midpoint uncertainty by January 2026 is 0.19 minutes. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 KELT-20 STIS/CCD ACQ F25ND3 MIRROR 1 0.5 S (0.5 PHASE 0.9512224982802543 S) TO 0.9632159828437521 ------------------------------------------------------------------------------------------------------------------------------------ 2 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1638 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 6 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 10 KELT-20 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 76] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 1 126.0 S -MAMA KELT-20 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 1 126.0 S -MAMA WAVE 3 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 1 N/A -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 2 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 77] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 2 121.0 S -MAMA KELT-20 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 2 N/A -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 78] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 3 121.0 S -MAMA KELT-20 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 3 N/A -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 4 121.0 S -MAMA KELT-20 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 4 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 79] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 5 121.0 S -MAMA KELT-20 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 80] Visit: 53 (WASP-189b/NUV/Transit 1-REPEAT) Visit Requirements: SCHED 100%; Period 2.7240330 D AND ZERO-PHASE HJD2458926.5416960 On Hold Comments: Additional Comments: Ephemeris from Lendl+2020. Transit midpoint uncertainty by January 2026 is << 1 minute. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 WASP-189 STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.9222415195900099 S) TO 0.93753746742422 ------------------------------------------------------------------------------------------------------------------------------------ 2 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 13 120 S -MAMA see below (1638 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 81] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 6 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 18108( 7) - 26-Feb-2026 15:16:45 - [ 82] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 WASP-189 STIS/NUV ACCUM 6X0.2 E230M 2707 WAVECAL=NO 17 120 S -MAMA see below (2057 S) Comments: Star is too bright for TIME-TAG mode, even when using E230H. We decide to go with E230M to increase the wavelength range of the observation and set mode to ACCUM. We shall use a minimum exposure time of 120 s to allow for parallel buffer dumps, which maximizes the time on object. The count rate in the brightest pixel is only 3.85 cts/s, so one exposure of 120 s yields 462 cts, which is well below the MAMA saturation limit of 65, 536 counts per pixel. ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/NUV ACCUM 6X0.2 E230M 2707 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 1 126.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 83] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 1 126.0 S -MAMA WASP-189 2 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 1 126.0 S -MAMA WAVE 3 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 1 N/A -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 2 121.0 S -MAMA WASP-189 4 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 2 121.0 S -MAMA WAVE 5 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 2 N/A -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 3 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 84] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 3 121.0 S -MAMA WASP-189 6 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 3 121.0 S -MAMA WAVE 7 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 3 N/A -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 4 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 85] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 4 121.0 S -MAMA WASP-189 8 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 4 121.0 S -MAMA WAVE 9 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 4 N/A -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 1 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 2 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 3 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 4 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 5 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 6 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 7 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 8 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 9 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 10 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 11 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 12 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 13 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 14 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 15 none 5 121.0 S -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 86] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 16 none 5 121.0 S -MAMA WASP-189 10 STIS/NUV ACCUM 6X0.2 E230M 2707 none none 17 none 5 121.0 S -MAMA WAVE 11 STIS/NUV ACCUM 6X0.2 E230M 2707 none none none none 5 N/A -MAMA 18108( 7) - 26-Feb-2026 15:16:45 - [ 87] Summary Form for Proposal 18108 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 0.2X0.2, 52X0.2, 52X2, 6X0.2, F25ND3 ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD, STIS/FUV-MAMA, STIS/NUV-MAMA ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ, TIME-TAG ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ACQTYPE=POINT, BUFFER-TIME=368, BUFFER-TIME=790, WAVECAL=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 132D TO 279 D, ORIENT 312D TO 99 D, PHASE 0.8548728634040308 TO 0.8830046611012968, PHASE 0.8769058128283473 TO 0.9050376105256134, PHASE 0.9209480763595196 TO 0.9357020747993255, PHASE 0.9222415195900099 TO 0.93753746742422, PHASE 0.9318614562891574 TO 0.94538880491676, PHASE 0.9375374674242198 TO 0.9528334152584299, PHASE 0.9404283621731062 TO 0.9524218467366041, PHASE 0.9427512751113644 TO 0.9575052735511703, PHASE 0.9476833279448492 TO 0.9612106765724518, PHASE 0.9512224982802543 TO 0.9632159828437521, Period 1.48111874 D AND ZERO-PHASE HJD2458955.970923, Period 2.7240330 D AND ZERO-PHASE HJD2458926.5416960, Period 2.8240759 D AND ZERO-PHASE HJD2459321.97544, Period 2.8240932 D AND ZERO-PHASE HJD2459321.97544, Period 3.08017985 D AND ZERO-PHASE HJD2459440.791304, Period 3.47410042 D AND ZERO-PHASE HJD2459288.807775, SCHED 100% ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements E140M, E230M, G140L, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names KELT-17, KELT-20, KELT-9, MASCARA-4, WASP-189, WAVE ------------------------------------------------------------------------------------------------------------------------------------