16450( 4) - 22-Feb-2021 20:02:23 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16450 Version: 4 Check-in Time: 22-Feb-2021 20:02:23 STScI Edit Number: 2 Title Measuring the Rock-to-Ice Ratio in an Exoplanet ------------------------------------------------------------------------------------ Type Cycle GO 28 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Joshua D. Lothringer The Johns Hopkins University Y CoI: Prof. David K. Sing The Johns Hopkins University N CoI: Zafar Rustamkulov The Johns Hopkins University N CoI: Dr. Kevin Stevenson The Johns Hopkins University Applied N Physics Laboratory CoI: Dr. Nikolay Nikolov Space Telescope Science Institute N CoI: Dr. Hannah Wakeford University of Bristol N ------------------------------------------------------------------------------------ Abstract With atmospheres hotter than 2000 K, ultra-hot Jupiters provide the unique opportunity to measure both refractory atomic metals and volatile molecules like H2O in their cloud-free transmission spectrum. The recently observed UV-optical (0.2-0.8 micron) transmission spectrum of ultra-hot Jupiter WASP-178b indicates strong absorption at short-wavelengths by atomic metals, consistent with refractory abundances between 1 and 4 times solar. Here, we propose to complete WASP-178b's UV-IR transit spectrum (0.2-1.7 micron) with WFC3/IR/G102 and G141, enabling the measurement of volatile abundances through H2O. With a measurement of refractory abundances at short wavelength and volatile abundances in the IR, we can determine the planet's rock-to-ice ratio, providing insight into WASP-178b's formation and migration history. With the addition of WASP-178b's IR spectrum, we can better compare the planet to the broader ultra-hot Jupiter population, including whether the planet has TiO and VO in its atmosphere. ------------------------------------------------------------------------------------ Observations Description ------------------------ Our WFC3/G102 and G141 observations will provide a transmission spectrum for the transiting exoplanet WASP-178b across the 0.8-1.7 micron wavelength range. We are targeting the absorption signatures of water and metal oxides. **Observing strategy: To construct the transmission spectrum, we require two transits of WASP-178b to be observed, with WFC3 G102 and G141. The observations will be made in slitless spectroscopic mode. Our observing setup is very similar to that used in many previous successful exoplanet transit programs, such as Program 14916 (PI Spake). At the start of the HST visit, a standard phase-constrained acquisition image will be taken. The subsequent observing strategy consists of taking repeated exposures for the duration of the transit, plus time before and after the transit to establish the out-of-transit baseline flux. 16450( 4) - 22-Feb-2021 20:02:23 - [ 2] We will use the round-trip spatial scanning mode with a scan rate of 0.0607766 and 0.759707 arcsec/sec for the G102 and G141 visit, respectively. We will use SPARS25 and NSAMP=7. These parameters were determined using the STScI-sponsored Exo-CTK/PandExo. We will read out a subarray size of 256 pixels to reduce overheads. Individual exposure times will be 134.354 sec, resulting in a scan across 8.2 and 10.2 arcsec per exposure for G102 and G141, respectively, leaving plenty of room on the detector to estimate the background flux. Each transit of WASP-178b lasts 208 minutes. We therefore require 5 consecutive HST orbits. The first orbit serves to allow the telescope to thermally relax into its new pointing position, which is a standard procedure adopted by all HST transiting exoplanet observations. The remaining orbits will provide good phase coverage during transit, and allow for sufficient time (2 HST orbits - one before transit, one after transit) to establish the baseline stellar flux necessary to accurately measure the transit depth. We will obtain 16 science exposures per HST orbit (8 forward, 8 reverse), coming to a total of 32 in-transit and 32 out-of-transit exposures. **Signal-to-noise estimates: WASP-178b is a bright target in the conventional sense (J=9.775mag). The challenge with exoplanet transmission spectroscopy is to measure subtle changes in the system brightness across different wavelength channels, via variations in the transit depth. We used the HST Exposure Time Calculator with the observational setup described above to calculate a SNR of ~2000 per resolution element per exposure. Note that this flux will be spread over 70-80 pixel columns due to the spatial scan (see above), so there is no risk of saturation. ------------------------------------------------------------------------------------ 16450( 4) - 22-Feb-2021 20:02:23 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 HD-134004 STAR, A0-A3 V-IV, RA=15H09M4.8790S, J2000 V = 9.95 +/- 0.03 EXTRA-SOLAR PLANETARY DEC=-42D42'17.88" SYSTEM Reference Frame: Other: SIMBAD Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Lothringer added parallax, magnitudem uncertainty, and alternate names. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 -9.082053709930597E-4 -0.005653000039274048 0.0023119 ------------------------------------------------------------------------------------------------------------------------------------ 16450( 4) - 22-Feb-2021 20:02:23 - [ 4] Visit: 01 (G141 Transit) Visit Requirements: Period 3.3448285 D AND ZERO-PHASE HJD2456927.06839 On Hold Comments: Additional Comments: WFC3/G141 5-orbit transit time series visit. It is essential that the five HST orbits be scheduled in a contiguous block, free of the SAA. We have defined each HST orbit within a non-interruptible sequence, to ensure that all exposures defined within the sequence are taken during the same HST orbit. We will use round-trip spatial scanning mode to increase observing efficiency. Y= -7" offset has been applied such that the target spatial scan is near the middle of the 256 subarray. Nearby stars are relatively dim (J>15), but we will work with the scheduling and instrument teams to optimize any roll constraints if they are determined to be necessary. 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-134004 WFC3/IR MULTIAC GRISM256 F132N SAMP-SEQ=RAPID, NSAMP=2 1 DEF (0.556 POS TARG null, -7; PHASE CUM S) 0.9430 TO 0.949; SEQ 1-2 NON-INT Comments: Direct image to assist with wavelength calibration. Saturated, but the image is only used to find the reference detctor possition. ------------------------------------------------------------------------------------------------------------------------------------ 2 HD-134004 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS25, NSAMP=7 7 DEF POS TARG null, -7; CUM (1880.957 SPATIAL SCAN 0.0759707, S) 90.0 Degrees, Round trip ------------------------------------------------------------------------------------------------------------------------------------ 3 HD-134004 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS25, NSAMP=7 8 DEF POS TARG null, -7; CUM (2149.665 SPATIAL SCAN 0.0759707, S) 90.0 Degrees, Round trip; SEQ 3 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 4 HD-134004 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS25, NSAMP=7 8 DEF POS TARG null, -7; CUM (2149.665 SPATIAL SCAN 0.0759707, S) 90.0 Degrees, Round trip; SEQ 4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 HD-134004 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS25, NSAMP=7 8 DEF POS TARG null, -7; CUM (2149.665 SPATIAL SCAN 0.0759707, S) 90.0 Degrees, Round trip; SEQ 5 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 6 HD-134004 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=SPARS25, NSAMP=7 8 DEF POS TARG null, -7; CUM (2149.665 SPATIAL SCAN 0.0759707, S) 90.0 Degrees, Round trip; SEQ 6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 16450( 4) - 22-Feb-2021 20:02:23 - [ 5] 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-134004 1 WFC3/IR MULTIAC GRISM256 F132N none none none none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 1 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 2 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 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-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 2 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 3 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 3 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 4 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 5 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 5 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 9] Visit: 02 (G102 Transit) Visit Requirements: Period 3.3448285 D AND ZERO-PHASE HJD2456927.06839 On Hold Comments: Additional Comments: WFC3/G102 5-orbit transit time series visit. It is essential that the five HST orbits be scheduled in a contiguous block, free of the SAA. We have defined each HST orbit within a non-interruptible sequence, to ensure that all exposures defined within the sequence are taken during the same HST orbit. We will use round-trip spatial scanning mode to increase observing efficiency. Y= -7" offset has been applied such that the target spatial scan is near the middle of the 256 subarray. Nearby stars are relatively dim (J>15), but we will work with the scheduling and instrument teams to optimize any roll constraints if they are determined to be necessary. 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-134004 WFC3/IR MULTIAC GRISM256 F132N SAMP-SEQ=RAPID, NSAMP=2 1 DEF (0.556 POS TARG null, -7; PHASE CUM S) 0.9430 TO 0.949; SEQ 1-2 NON-INT Comments: Direct image to assist with wavelength calibration. Saturated, but the image is only used to find the reference detctor possition. ------------------------------------------------------------------------------------------------------------------------------------ 2 HD-134004 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=SPARS25, NSAMP=7 7 DEF POS TARG null, -7; CUM (1880.957 SPATIAL SCAN 0.0607766, S) 90.0 Degrees, Round trip ------------------------------------------------------------------------------------------------------------------------------------ 3 HD-134004 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=SPARS25, NSAMP=7 7 DEF POS TARG null, -7; CUM (1880.957 SPATIAL SCAN 0.0607766, S) 90.0 Degrees, Round trip; SEQ 3 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 4 HD-134004 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=SPARS25, NSAMP=7 7 DEF POS TARG null, -7; CUM (1880.957 SPATIAL SCAN 0.0607766, S) 90.0 Degrees, Round trip; SEQ 4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 HD-134004 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=SPARS25, NSAMP=7 7 DEF POS TARG null, -7; CUM (1880.957 SPATIAL SCAN 0.0607766, S) 90.0 Degrees, Round trip; SEQ 5 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 6 HD-134004 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=SPARS25, NSAMP=7 7 DEF POS TARG null, -7; CUM (1880.957 SPATIAL SCAN 0.0607766, S) 90.0 Degrees, Round trip; SEQ 6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 16450( 4) - 22-Feb-2021 20:02:23 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ 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-134004 1 WFC3/IR MULTIAC GRISM256 F132N none none none none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 1 N/A CUM HD-134004 2 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 1 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 2 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 2 N/A CUM HD-134004 3 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 2 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 3 N/A CUM HD-134004 4 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 3 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 4 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 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-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 4 N/A CUM HD-134004 5 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 4 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 1 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 2 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 3 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 4 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 5 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 6 none 5 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 5 N/A CUM HD-134004 6 WFC3/IR MULTIAC GRISM256 G102 none none 7 none 5 N/A CUM 16450( 4) - 22-Feb-2021 20:02:23 - [ 14] Summary Form for Proposal 16450 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures GRISM256 ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=2, NSAMP=7, SAMP-SEQ=RAPID, SAMP-SEQ=SPARS25 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements PHASE 0.9430 TO 0.949, POS TARG null, -7, Period 3.3448285 D AND ZERO-PHASE HJD2456927.06839, SEQ 1-2 NON-INT, SEQ 3 NON-INT, SEQ 4 NON-INT, SEQ 5 NON-INT, SEQ 6 NON-INT, SPATIAL SCAN 0.0607766, 90.0 Degrees, Round trip, SPATIAL SCAN 0.0759707, 90.0 Degrees, Round trip ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F132N, G102, G141 ------------------------------------------------------------------------------------------------------------------------------------ Target Names HD-134004 ------------------------------------------------------------------------------------------------------------------------------------