14888( 6) - 13-Sep-2017 20:23:44 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 14888 Version: 6 Check-in Time: 13-Sep-2017 20:23:44 STScI Edit Number: 0 Title Initial Reconaissance of a Transiting Rocky Planet in a Nearby M-Dwarf's Habitable Zone ------------------------------------------------------------------------------------ Type Cycle GO 24 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Jason A. Dittmann Massachusetts Institute of Technology Y CoI: Prof. David Charbonneau Harvard University N CoI: Dr. Jonathan Irwin Smithsonian Institution Astrophysical N Observatory CoI: Dr. Zach K. Berta-Thompson University of Colorado at Boulder N CoI: Dr. Elisabeth R. Newton Massachusetts Institute of Technology N CoI: Dr. Xavier Bonfils Universite de Grenoble I N CoI: Dr. Nicola Astudillo-Defru Observatoire de Geneve N CoI: Ms. Hannah Diamond-Lowe Harvard University N ------------------------------------------------------------------------------------ Abstract The composition of a terrestrial planet's atmosphere is the end result of accretion, coupled with ongoing processes such as atmospheric escape, outgassing from the interior, and planetary surface processes. We have just discovered a transiting terrestrial planet in a small nearby star's habitable zone. Due to the proximity of the host star and the size of the transit depth, possible constituents for this planet's atmosphere can be detected with the Hubble Space Telescope. Here we propose to use STIS to obtain observations of the host star at Lyman-alpha. A detection of the host star at Lyman-alpha wavelengths will pave the way for observations of Lyman-alpha transits in Cycle 25. The stellar activity UV is an important constraint for future atmospheric modeling, atmospheric escape, and interpreting possible future detections of Oxygen and ozone with JWST or future ELTs. We also propose to obtain two transit observations with WFC3/IR to search for absorption features from a cloud-free, hydrogen rich atmosphere. Detection of a low mean molecular weight atmosphere means future observations should span a broad wavelength range, while a high mean molecular weight atmosphere means future observations should go deeper over a more narrow wavelength range. The results of this Hubble/STIS and Hubble/WFC3 investigation would inform the optimal strategy to observe this object in Cycle 25 and for JWST's GTO program (to be proposed in April 2017 and finalized September 2017). ------------------------------------------------------------------------------------ Observations Description ------------------------ We will observe two transits of the terrestrial planet LHS 1140b with WFC3/IR grism spectroscopy. LHS 1140b resides in the habitable zone of its host star and has a 24.73712 +/- 0.00025 day period. This, combined with the visibility window of HST, means that there are only 2 transits visible with HST before the Cycle 25 proposal deadline, and only one additional transit visible with HST before the Cycle 25 mid-cycle proposal deadline. We will observe two transits of the rocky exoplanet LHS 1140b with WFC3/IR 14888( 6) - 13-Sep-2017 20:23:44 - [ 2] grism spectroscopy. The core science observations consist of continuous high-cadence spectra, taken during the transit with the G141 grism. We will use these data to measure the wavelength-dependent transit depth from 1.1 to 1.7 microns in order to determine if LHS 1140's atmosphere is dominated by hydrogen. We will use a spatial scan for the transit observations, to maximize duty cycle and to mitigate flat-fielding uncertainties by averaging over many pixels. We have chosen a scan rate of 0.14"/second to maintain a similar S/N ratio as observations of GJ 1214b performed by Kreidberg et al. (2014). The scan speed is slow enough, and the observing field sparse enough, that LHS 1140's spectrum will not overlap with other stars in the field, given our mild ORIENT constraints. During the first orbit of each visit (which is usually discarded from transit science observations), we will gather direct images as well as deep imaging spectra in stare-mode (without a spatial scan). Visits 3 and 4 are deep UV exposures designed to determine if LHS 1140 (the host star) emits at Ly-alpha. These observations are not connected to Visits 1 or 2 in any way and can be scheduled any time out of transit. **The Following Items Need Particular PC/CS Attention** PHASE constraints are included that amount to an available range of 60 minutes per 24.73712 day orbital period for the planet. This constraint ensures that the 3rd orbit in each transit observation is during mid-transit. The orbital ephemeris is up-to-date and will not change before these observations are performed, as no more transits are visible from ground-based facilities. ------------------------------------------------------------------------------------ 14888( 6) - 13-Sep-2017 20:23:44 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 GJ-3053 STAR, EXTRA-SOLAR RA=00H44M59.3100S +/- 0.07", J2000 V = V = 14.15 +/- 0.06 H = 9.092 +/- 0.026, PLANET, EXTRA-SOLAR DEC=-15D16'18.00" +/- 0.07" -13.2366 K = 8.821 +/- 0.024 PLANETARY SYSTEM, M 1 V-IV Reference Frame: ICRS Extended: NO Comments: This object was generated by the target selector and retrieved from the SIMBAD database. The position, proper motion, and the parallax was obtained from Winters et al. (2016). The error on the position was taken from 2MASS, which is tied to the ICRS. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.021433532087815878 -0.5948 0.0802 ------------------------------------------------------------------------------------------------------------------------------------ 14888( 6) - 13-Sep-2017 20:23:44 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.636 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 41.788 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 14888( 6) - 13-Sep-2017 20:23:44 - [ 5] Visit: 01 (Visit 1 - WFC3/IR) Visit Requirements: ORIENT 23D TO 187 D; ORIENT 203D TO 7 D; Period 24.73712 D AND ZERO-PHASE HJD2456915.6997 On Hold Comments: Additional Comments: The phase constraint on the first direct image in this visit is designed such that the 3rd orbit overlaps the transit of LHS 1140b. If need be to enable scheduling, the phase or orient constraints could be relaxed slightly. 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 GJ-3053 WFC3/IR MULTIAC GRISM512 F130N NSAMP=3, SAMP-SEQ=RAPID 1 DEF (5.118 PHASE 0.99337478 TO CUM S) 0.99495; SEQ 1-3 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 7 DEF (721.9 POS TARG 0, -9.5; CUM S) SPATIAL SCAN 0.1, 90.0 Degrees, Forward ------------------------------------------------------------------------------------------------------------------------------------ 3 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 9 DEF POS TARG 0, -9.5; CUM (928.158 SPATIAL SCAN 0.1, 90.0 S) Degrees, Forward; SAA CONTOUR 11 ------------------------------------------------------------------------------------------------------------------------------------ 4 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 8 DEF POS TARG 0, -9.5; CUM (825.029 SPATIAL SCAN 0.1, 90.0 S) Degrees, Forward; NEW OBSET FULL ACQ; SEQ 4-5 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 9 DEF POS TARG 0, -9.5; CUM (928.158 SPATIAL SCAN 0.1, 90.0 S) Degrees, Forward; SAA CONTOUR 11 ------------------------------------------------------------------------------------------------------------------------------------ 6 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 10 DEF POS TARG 0, -9.5; CUM (1031.286 SPATIAL SCAN 0.1, 90.0 S) Degrees, Forward; NEW OBSET FULL ACQ; SEQ 6-7 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 7 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 7 DEF (721.9 POS TARG 0, -9.5; CUM S) SPATIAL SCAN 0.1, 90.0 Degrees, Forward; SAA CONTOUR 11 ------------------------------------------------------------------------------------------------------------------------------------ 8 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 11 DEF POS TARG 0, -9.5; CUM (1134.415 SPATIAL SCAN 0.1, 90.0 S) Degrees, Forward; NEW OBSET FULL ACQ; SEQ 8-9 NON-INT 14888( 6) - 13-Sep-2017 20:23:44 - [ 6] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 9 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 6 DEF POS TARG 0, -9.5; CUM (618.772 SPATIAL SCAN 0.1, 90.0 S) Degrees, Forward; SAA CONTOUR 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 1 WFC3/IR MULTIAC GRISM512 F130N 1 none none none 1 N/A CUM GJ-3053 1 WFC3/IR MULTIAC GRISM512 F130N 2 none none none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 1 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 7] 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 1 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 2 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 3 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 3 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 11 none 4 N/A CUM GJ-3053 9 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 4 N/A CUM GJ-3053 9 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 4 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 9 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 4 N/A CUM GJ-3053 9 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 4 N/A CUM GJ-3053 9 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 4 N/A CUM GJ-3053 9 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 4 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 10] Visit: 03 (Visit 3 - STIS UV) Visit Requirements: Period 24.73712 D AND ZERO-PHASE HJD2456915.6997 On Hold Comments: Additional Comments: In this UV observation, we will measure the Lyman-alpha flux from the host star. Very loose timing requirements are needed for the STIS/UV visits -- we simply want to observe far from times of the known planet's transit. 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 GJ-3053 STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 1.0 S (1 PHASE 0.1 TO 0.9; SEQ S) 1-4 NON-INT Comments: The ETC quotes a time to saturation of 5.04s for the F28X50LP filter, and a time of 0.0270s to reach S/N=40. Our 1.0s exposure time for the ACQ should reach 20% of saturation. ------------------------------------------------------------------------------------------------------------------------------------ 2 GJ-3053 STIS/CCD ACQ/PEA 52X0.05 MIRROR 1 2.0 S (2 K S) Comments: The ETC lists a time to saturation through the 52X0.05 slit of 11.08s and a total count rate of 57433e/s. With our 2.0s exposures, we should reach 114, 000 source electrons, sufficient for peak-up but still well below saturation. ------------------------------------------------------------------------------------------------------------------------------------ 3 GJ-3053 STIS/FUV TIME-TA 52X0.05 G140M 1222 BUFFER-TIME=900 1 1960 S -MAMA G see below (1944 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 82 S (82 -MAMA S) ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A GJ-3053 2 STIS/CCD ACQ/PEA 52X0.05 MIRROR none none none none 1 N/A K GJ-3053 3 STIS/FUV TIME-TA 52X0.05 G140M 1222 none none none none 1 1944.0 S -MAMA G WAVE 4 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 1 N/A -MAMA 14888( 6) - 13-Sep-2017 20:23:44 - [ 11] Visit: 05 (Visit 2 - WFC3/IR) Visit Requirements: ORIENT 23D TO 187 D; ORIENT 203D TO 7 D; Period 24.73712 D AND ZERO-PHASE HJD2456915.6997 On Hold Comments: Additional Comments: The phase constraint on the first direct image in this visit is designed such that the 3rd orbit overlaps the transit of LHS 1140b. If need be to enable scheduling, the phase or orient constraints could be relaxed slightly. 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 GJ-3053 WFC3/IR MULTIAC GRISM512 F130N NSAMP=3, SAMP-SEQ=RAPID 1 DEF (5.118 PHASE 0.99337478 TO CUM S) 0.99469770; SEQ 1-3 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 9 DEF POS TARG 0, -9.5; CUM (1856.315 SPATIAL SCAN 0.14, 90.0 S) Degrees, Round trip ------------------------------------------------------------------------------------------------------------------------------------ 3 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 1 DEF POS TARG 0, -9.5; CUM (103.129 SPATIAL SCAN 0.14, 90.0 S) Degrees, Forward ------------------------------------------------------------------------------------------------------------------------------------ 4 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 10 DEF POS TARG 0, -9.5; CUM (2062.573 SPATIAL SCAN 0.14, 90.0 S) Degrees, Round trip; SEQ 4-5 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 1 DEF POS TARG 0, -9.5; CUM (103.129 SPATIAL SCAN 0.14, 90.0 S) Degrees, Forward ------------------------------------------------------------------------------------------------------------------------------------ 6 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 10 DEF POS TARG 0, -9.5; CUM (2062.573 SPATIAL SCAN 0.14, 90.0 S) Degrees, Round trip; SEQ 6-7 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 7 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 1 DEF POS TARG 0, -9.5; CUM (103.129 SPATIAL SCAN 0.14, 90.0 S) Degrees, Forward ------------------------------------------------------------------------------------------------------------------------------------ 8 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 10 DEF POS TARG 0, -9.5; CUM (2062.573 SPATIAL SCAN 0.14, 90.0 S) Degrees, Round trip; SEQ 8-9 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 9 GJ-3053 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS10, NSAMP=15 1 DEF POS TARG 0, -9.5; CUM (103.129 SPATIAL SCAN 0.14, 90.0 S) Degrees, Forward ------------------------------------------------------------------------------------------------------------------------------------ 14888( 6) - 13-Sep-2017 20:23:44 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 1 WFC3/IR MULTIAC GRISM512 F130N 1 none none none 1 N/A CUM GJ-3053 1 WFC3/IR MULTIAC GRISM512 F130N 2 none none none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 1 N/A CUM GJ-3053 2 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 1 N/A CUM GJ-3053 3 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 13] 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 2 N/A CUM GJ-3053 4 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 2 N/A CUM GJ-3053 5 WFC3/IR MULTIAC GRISM256 G141 none none none none 2 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 3 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 3 N/A CUM GJ-3053 6 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 3 N/A CUM GJ-3053 7 WFC3/IR MULTIAC GRISM256 G141 none none none none 3 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 4 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 4 N/A CUM GJ-3053 8 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 4 N/A CUM GJ-3053 9 WFC3/IR MULTIAC GRISM256 G141 none none none none 4 N/A CUM 14888( 6) - 13-Sep-2017 20:23:44 - [ 16] Visit: 06 (Visit 4 - STIS UV) Visit Requirements: Period 24.73712 D AND ZERO-PHASE HJD2456915.6997 On Hold Comments: Additional Comments: In this UV observation, we will measure the Lyman-alpha flux from the host star. Very loose timing requirements are needed for the STIS/UV visits -- we simply want to observe far from times of the known planet's transit. 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 GJ-3053 STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 1.0 S (1 PHASE 0.1 TO 0.9; SEQ S) 1-4 NON-INT Comments: The ETC quotes a time to saturation of 5.04s for the F28X50LP filter, and a time of 0.0270s to reach S/N=40. Our 1.0s exposure time for the ACQ should reach 20% of saturation. ------------------------------------------------------------------------------------------------------------------------------------ 2 GJ-3053 STIS/CCD ACQ/PEA 52X0.05 MIRROR 1 2.0 S (2 K S) Comments: The ETC lists a time to saturation through the 52X0.05 slit of 11.08s and a total count rate of 57433e/s. With our 2.0s exposures, we should reach 114, 000 source electrons, sufficient for peak-up but still well below saturation. ------------------------------------------------------------------------------------------------------------------------------------ 3 GJ-3053 STIS/FUV TIME-TA 52X0.05 G140M 1222 BUFFER-TIME=900 1 1960 S -MAMA G see below (1944 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 WAVE STIS/FUV ACCUM 52X0.05 G140M 1222 1 82 S (82 -MAMA S) ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GJ-3053 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A GJ-3053 2 STIS/CCD ACQ/PEA 52X0.05 MIRROR none none none none 1 N/A K GJ-3053 3 STIS/FUV TIME-TA 52X0.05 G140M 1222 none none none none 1 1944.0 S -MAMA G WAVE 4 STIS/FUV ACCUM 52X0.05 G140M 1222 none none none none 1 N/A -MAMA 14888( 6) - 13-Sep-2017 20:23:44 - [ 17] Summary Form for Proposal 14888 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 52X0.05, F28X50LP, GRISM256, GRISM512 ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD, STIS/FUV-MAMA, WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ, ACQ/PEAK, MULTIACCUM, TIME-TAG ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ACQTYPE=POINT, BUFFER-TIME=900, NSAMP=15, NSAMP=3, SAMP-SEQ=RAPID, SAMP-SEQ=SPARS10 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements NEW OBSET FULL ACQ, ORIENT 203D TO 7 D, ORIENT 23D TO 187 D, PATTERN 1 1, PHASE 0.1 TO 0.9, PHASE 0.99337478 TO 0.99469770, PHASE 0.99337478 TO 0.99495, POS TARG 0, -9.5, Period 24.73712 D AND ZERO-PHASE HJD2456915.6997, SAA CONTOUR 11, SEQ 1-3 NON-INT, SEQ 1-4 NON-INT, SEQ 4-5 NON-INT, SEQ 6-7 NON-INT, SEQ 8-9 NON-INT, SPATIAL SCAN 0.1, 90.0 Degrees, Forward, SPATIAL SCAN 0.14, 90.0 Degrees, Forward, SPATIAL SCAN 0.14, 90.0 Degrees, Round trip ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F130N, G140M, G141, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names GJ-3053, WAVE ------------------------------------------------------------------------------------------------------------------------------------