16723( 7) - 05-Jan-2023 13:26:50 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16723 Version: 7 Check-in Time: 05-Jan-2023 13:26:50 STScI Edit Number: 1 Title Resolving the dichotomy of atmospheric escape in the young planet DS Tuc A b ------------------------------------------------------------------------------------ Type Cycle GO 29 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Leonardo Dos Santos Space Telescope Science Institute Y CoI: Prof. David Ehrenreich University of Geneva, Department of N Astronomy CoI: Dr. Vincent Bourrier University of Geneva, Department of N Astronomy CoI: Ms. Louise Dyregaard Nielsen European Southern Observatory - Germany N CoI: Prof. Monika Lendl University of Geneva, Department of N Astronomy CoI: Prof. Aline Vidotto Universiteit Leiden N CoI: Dr. Joshua D. Lothringer Utah Valley University N CoI: Brett M. Morris Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract One of the biggest aims in exoplanet science is to understand how planets and their atmospheres evolve. Among the several challenges faced while inching towards this goal is the severe lack of observational constraints on the high-energy environments of young exoplanets and their early history of atmospheric escape. In particular, we do not know how well Neptune-sized and smaller planets can survive atmospheric erosion during the first billion years and retain their primary atmospheres. In this context, the recently discovered planet DS Tuc A b (45 Myr) is the best target to study atmospheric escape in the first 100 Myr in the life of a Neptune-sized exoplanet, and is likely going to become a testbed to investigate the primordial chemistry of exoplanetary atmospheres with JWST. A previous transit observation with HST suggest that this planet is currently undergoing intense hydrodynamic escape, but the result is ambiguous due to insufficient phase coverage and potential stellar activity contamination. In this program, we aim to observe two more transits, which are necessary to confirm that the feature is not spurious and to study the shape of the planet's exosphere. Either a detection or a non-detection will be crucial to interpret the evolution of exoplanetary atmospheres of this young planet and other similar worlds. ------------------------------------------------------------------------------------ Observations Description ------------------------ We will observe two transits of DS Tuc A b using HST/STIS with the G140M grating centered on 122.2 nm. Since DS Tuc is a binary (separation = 5 arcsec = 100 pixels), it is imperative to insert the correct star in the slit. In principle, it could advantageous to set both stars in the slit to allow for differential spectroscopy, but that would introduce an ORIENT constraint, and this is not strictly necessary for the program. The target DS Tuc A is approximately 1 magnitude brighter than DS Tuc B at visible wavelengths, so the telescope should automatically center the correct target assuming everything 16723( 7) - 05-Jan-2023 13:26:50 - [ 2] goes well. There is also another bright star 3 arcmin east of the DS Tuc system. We will use the narrowest slit width (0.05") to minimize airglow contamination as much as possible. We understand that this choice can introduce slit losses, but we can correct for these losses when analyzing the data (on the other hand, the extra noise introduced by the airglow cannot be corrected). The ACQ exposure is performed following the recommendations from the ETC. Our target star is very bright, so we always get warnings for the ACQ/PEAK when running it in the ETC. We decided to use the same ACQ/PEAK configuration as in program GO#16085, which also observed this target. We set the timing constraints in the SCIENCE exposure to match an observing window of 10 hours around the exoplanet transit midcenter (period = 8.138268 days), which roughly corresponds to 5 orbits and some "wiggle room" for flexibility; this timing constraint covers the transit and the baseline flux of the star in the most reliable, yet flexible way. In addition, iin Visit 1 we also shift the phase constraints by -96 minutes (one HST orbit) in relation to program GO#16085 to provide a more extensive out-of-transit baseline; Visit 2 is shifted by +96 minutes. We set the schedulability constraint to 100 in order to maximize observation opportunities. ------------------------------------------------------------------------------------ 16723( 7) - 05-Jan-2023 13:26:50 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 HD-222259 STAR, EXTRA-SOLAR RA=23H39M39.4804S, J2000 V = 8.226 PLANETARY SYSTEM, G DEC=-69D11'44.71" V-IV, RS CVN STAR Reference Frame: ICRS Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.014884628531874949 -0.06762 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 16723( 7) - 05-Jan-2023 13:26:50 - [ 4] Visit: 01 Visit Requirements: SCHED 100%; Period 8.138268 D AND ZERO-PHASE HJD2458332.30997 On Hold Comments: Additional Comments: 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 HD-222259 STIS/CCD ACQ F28X50OII MIRROR 1 1 S (1 S) PHASE 0.96620901749549 TO 0.017407462504509967; SEQ 1-4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) K ------------------------------------------------------------------------------------------------------------------------------------ 3 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1703 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 5 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 5-7 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 6 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 8-10 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 9 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 11 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 11-13 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 12 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 16723( 7) - 05-Jan-2023 13:26:50 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 13 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 14 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 14-16 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 15 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 16 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-222259 1 STIS/CCD ACQ F28X50OI MIRROR none none none none 1 N/A I HD-222259 2 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 1 N/A K 1 HD-222259 3 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 1 1703.0 S -MAMA G 1 WAVE 4 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 1 N/A -MAMA HD-222259 5 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 2 N/A K 1 HD-222259 6 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 2 1954.0 S -MAMA G 1 WAVE 7 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 2 N/A -MAMA HD-222259 8 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 3 N/A K 1 HD-222259 9 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 3 1954.0 S -MAMA G 1 WAVE 10 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 3 N/A -MAMA HD-222259 11 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 4 N/A K 1 HD-222259 12 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 4 1954.0 S -MAMA G 1 WAVE 13 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 4 N/A -MAMA HD-222259 14 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 5 N/A K 1 16723( 7) - 05-Jan-2023 13:26:50 - [ 6] 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-222259 15 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 5 1954.0 S -MAMA G 1 WAVE 16 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 5 N/A -MAMA 16723( 7) - 05-Jan-2023 13:26:50 - [ 7] Visit: 02 Visit Requirements: SCHED 100%; Period 8.138268 D AND ZERO-PHASE HJD2458332.30997 On Hold Comments: Additional Comments: 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 HD-222259 STIS/CCD ACQ F28X50OII MIRROR 1 1 S (1 S) PHASE 0.98259253749549 TO 0.033790982504509966; SEQ 1-4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) K ------------------------------------------------------------------------------------------------------------------------------------ 3 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1703 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 5 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 5-7 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 6 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 8-10 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 9 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 11 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 11-13 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 12 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 16723( 7) - 05-Jan-2023 13:26:50 - [ 8] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 13 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 14 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 14-16 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 15 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 16 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-222259 1 STIS/CCD ACQ F28X50OI MIRROR none none none none 1 N/A I HD-222259 2 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 1 N/A K 1 HD-222259 3 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 1 1703.0 S -MAMA G 1 WAVE 4 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 1 N/A -MAMA HD-222259 5 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 2 N/A K 1 HD-222259 6 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 2 1954.0 S -MAMA G 1 WAVE 7 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 2 N/A -MAMA HD-222259 8 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 3 N/A K 1 HD-222259 9 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 3 1954.0 S -MAMA G 1 WAVE 10 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 3 N/A -MAMA HD-222259 11 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 4 N/A K 1 HD-222259 12 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 4 1954.0 S -MAMA G 1 WAVE 13 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 4 N/A -MAMA HD-222259 14 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 5 N/A K 1 16723( 7) - 05-Jan-2023 13:26:50 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-222259 15 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 5 1954.0 S -MAMA G 1 WAVE 16 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 5 N/A -MAMA 16723( 7) - 05-Jan-2023 13:26:50 - [ 10] Visit: 52 (Repeat of visit 02) Visit Requirements: SCHED 100%; Period 8.138268 D AND ZERO-PHASE HJD2458332.30997 On Hold Comments: Additional Comments: 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 HD-222259 STIS/CCD ACQ F28X50OII MIRROR 1 1 S (1 S) PHASE 0.9522666535 TO 0.986057636; SEQ 1-4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) K ------------------------------------------------------------------------------------------------------------------------------------ 3 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1703 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 5 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 5-7 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 6 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 8-10 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 9 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 11 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 11-13 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 12 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 16723( 7) - 05-Jan-2023 13:26:50 - [ 11] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 13 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 14 HD-222259 STIS/CCD ACQ/PEA 52X0.05D1 G430L 4300 1 1 S (1 S) SEQ 14-16 NON-INT K ------------------------------------------------------------------------------------------------------------------------------------ 15 HD-222259 STIS/FUV TIME-TA 52X0.05D1 G140M 1222 BUFFER-TIME=9000, WAVECAL=NO 1 1573 S -MAMA G see below (1954 S) ------------------------------------------------------------------------------------------------------------------------------------ 16 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-222259 1 STIS/CCD ACQ F28X50OI MIRROR none none none none 1 N/A I HD-222259 2 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 1 N/A K 1 HD-222259 3 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 1 1703.0 S -MAMA G 1 WAVE 4 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 1 N/A -MAMA HD-222259 5 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 2 N/A K 1 HD-222259 6 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 2 1954.0 S -MAMA G 1 WAVE 7 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 2 N/A -MAMA HD-222259 8 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 3 N/A K 1 HD-222259 9 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 3 1954.0 S -MAMA G 1 WAVE 10 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 3 N/A -MAMA HD-222259 11 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 4 N/A K 1 HD-222259 12 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 4 1954.0 S -MAMA G 1 WAVE 13 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 4 N/A -MAMA HD-222259 14 STIS/CCD ACQ/PEA 52X0.05D G430L 4300 none none none none 5 N/A K 1 16723( 7) - 05-Jan-2023 13:26:50 - [ 12] 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-222259 15 STIS/FUV TIME-TA 52X0.05D G140M 1222 none none none none 5 1954.0 S -MAMA G 1 WAVE 16 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 5 N/A -MAMA 16723( 7) - 05-Jan-2023 13:26:50 - [ 13] Summary Form for Proposal 16723 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 52X0.05, 52X0.05D1, F28X50OII ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD, STIS/FUV-MAMA ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ, ACQ/PEAK, TIME-TAG ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters BUFFER-TIME=9000, WAVECAL=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements PHASE 0.9522666535 TO 0.986057636, PHASE 0.96620901749549 TO 0.017407462504509967, PHASE 0.98259253749549 TO 0.033790982504509966, Period 8.138268 D AND ZERO-PHASE HJD2458332.30997, SCHED 100%, SEQ 1-4 NON-INT, SEQ 11-13 NON-INT, SEQ 14-16 NON-INT, SEQ 5-7 NON-INT, SEQ 8-10 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements G140M, G430L, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names HD-222259, WAVE ------------------------------------------------------------------------------------------------------------------------------------