17968( 8) - 27-Mar-2026 18:25:41 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17968 Version: 8 Check-in Time: 27-Mar-2026 18:25:41 STScI Edit Number: 4 Title WFC3 IR Grism Flux/Trace Calibration ------------------------------------------------------------------------------------ Type Cycle CAL/WFC3 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Mitchell Revalski Space Telescope Science Institute Y CoI: Aidan J Pidgeon Space Telescope Science Institute Y CoI: Ms. Jennifer Mack Space Telescope Science Institute Y CoI: Mariarosa Marinelli Space Telescope Science Institute Y ------------------------------------------------------------------------------------ Abstract This program will observe GD-153, GD-71, GRW+70, and P330E to verify the flux calibration near the center of the field (-20, 0) and a few other positions using the WFC3 IR G102 and G141 grisms. These calibrations will be compared with those derived from previous programs: 17688 (GD-153, GD-71, GRW+70, P330E), 17367 (GD-153, GD-71, GRW+70), 17018 (GD-153, GD-71, GRW+70), 16583 (GD-153, GD-71, GRW+70), 16408 (GD-153, GD-71, GRW+70), 15728 (GD-153), 15587 (GD-153), 14994 (GD-153), 14544 (GD-153), 14386 (GD-153), 14024 (GD-71), 13579 (GD-153), 13092 (GD-153), 12702 (GD-71), 12357 (GD-71), 11937 (GD-71) to check for any time evolution. The data will also be used to calculate wavelength solutions for the grisms and to check for time-dependent sensitivity evolution of the G102 and G141 observing modes. ------------------------------------------------------------------------------------ Observations Description ------------------------ Observations of GD-153 to verify the flux calibration near the center of the field and at a few other previously observed positions using the WFC3 IR G102 and G141 grisms. These calibrations will be compared with those derived from previous programs. The data will also be used to calculate wavelength solutions for the grisms, and will be used to check time-dependent sensitivity of G102 and G141 observing modes. Observations will be taken with postargs of (-20, -0) (-20, +15) (-20, -15). 17968( 8) - 27-Mar-2026 18:25:41 - [ 2] Observations of GD-71 to verify the flux calibration near the center of the field and at a few other previously observed positions using the WFC3 IR G102 and G141 grisms. These calibrations will be compared with those derived from previous programs. The data will also be used to calculate wavelength solutions for the grisms, and will be used to check time-dependent sensitivity of G102 and G141 observing modes. Observations will be taken with postargs of (-20, -0) (-20, +15) (-20, -15) (-40, +0). Direct imaging done with only one imaging filter: F098M for G102 and F140W for G141. ORIENT restrictions applied to minimize contamination in this crowded field. Observations of GRW+70 to verify the flux calibration near the center of the field and at a few other previously observed positions using the WFC3 IR G102 and G141 grisms. These calibrations will be compared with those derived from previous programs. The data will also be used to calculate wavelength solutions for the grisms, and will be used to check time-dependent sensitivity of G102 and G141 observing modes. Observations will be taken with postargs of (-20, -0) (-20, +15) (-20, -15) (-40, +0). Direct imaging done with only one imaging filter: F098M for G102 and F140W for G141. ORIENT restrictions applied to avoid contamination. The original flux monitor observed GD71 and GD153 at a range of detector positions but was reduced to a single orbit of GD153 based on the stability of the initial calibration. Using a longer time baseline, a decrease in sensitivity of ~0.1% per year has been measured, so GRW+70 was added (and GD71 resumed) to more accurately track these time-dependent losses. The G-type standard P330E was revisited in early 2025 with 2 orbits to check the TDS. This flux standard has only a small set of grism observations compared to the white dwarfs and is of interest for cross-misson flux calibration. Two orbits are requested this cycle, as in Cycle 32. ------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 GD-153 STAR, DA RA=12H57M2.3225S +/- 0.1", J2000 V = 13.4 DEC=+22D01'52.63" +/- 0.1" Reference Frame: ICRS Comments: According to ISR WFC3-2011-05, GD-153 is used as the primary flux calibrator for the WFC3 IR grisms. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -0.0027623778030577677 -0.202953 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-71 STAR, DA RA=05H52M27.6197S +/- 0.1", J2000 V = 13.06 DEC=+15D53'13.23" +/- 0.1" Reference Frame: ICRS Comments: GD-71 is a primary HST flux standard that has been used in the past to calibrate the NICMOS and ACS grism modes, which provides us with the ability to cross-calibrate between instruments. GD-71 is specifically chosen for the WFC3 IR grism calibration because it will provide an aditional flux calibration target (GD-153 is used in SMOV for the IR grism calibration), so that the calibration is not based on a single target. An additional calibration target also minimizes the potential for problems from other nearby sources in the field. The original flux monitor observed GD71 and GD153 at a range of detector positions but was reduced to a single orbit of GD153 based on the stability of the initial calibration. Using a longer time baseline, a decrease in sensitivity of ~0.1% per year has been measured, so GRW+70 was added (and GD71 resumed) to more accurately track these time-dependent losses. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0053261750895680976 -0.172944 0.019245 ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 3 GRW+70D5824 CALIBRATION, RA=13H38M50.4781S +/- 0.1", J2000 V = 12.773 J = 13.25 PHOTOMETRIC DEC=+70D17'7.64" +/- 0.1" Reference Frame: ICRS Comments: GRW+70 is specifically chosen for the WFC3 IR grism calibration because it will provide an aditional flux calibration target (GD-153 is used in SMOV for the IR grism calibration), so that the calibration is not based on a single target. An additional calibration target also minimizes the potential for problems from other nearby sources in the field. The original flux monitor observed GD71 and GD153 at a range of detector positions but was reduced to a single orbit of GD153 based on the stability of the initial calibration. Using a longer time baseline, a decrease in sensitivity of ~0.1% per year has been measured, so GRW+70 was added (and GD71 resumed) to more accurately track these time-dependent losses. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -0.07946480656038647 -0.024608 0.03771 ------------------------------------------------------------------------------------------------------------------------------------ 4 P330E STAR, G V-IV RA=16H31M33.8124S, J2000 V = 12.917 DEC=+30D08'46.40" Reference Frame: ICRS Extended: NO Comments: This object was generated by the target selector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -6.847478370064741E-4 -0.03870500008815725 0.0022149 ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 5] Visit: 01 (GD153 G102 and G141) Visit Requirements: BETWEEN 01-JAN-2026:00:00:00 AND 31-MAR-2026:00:00:00 On Hold Comments: Additional Comments: Visit targetting GD153 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 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; GS ACQ CUM S) SCENARIO BASE1O3; SEQ 1-3 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15; SEQ CUM S) 4-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 7-9 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; SEQ CUM S) 10-12 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 13 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; SEQ CUM (102.934 13-15 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 14 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 15 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 16 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15; SEQ CUM (102.934 16-18 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 17 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 18 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 1 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 2 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 3 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 4 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 5 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 6 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 7 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 8 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 9 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 10 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 12 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 13 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 14 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 15 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 16 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 17 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 18 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 8] Visit: 02 (GD71 G102 and G141) Visit Requirements: ORIENT 135D TO 154 D; ORIENT 197D TO 225 D; ORIENT 280D TO 310 D; ORIENT 26D TO 30 D; ORIENT 43D TO 55 D; BETWEEN 03-NOV-2025:00:00:00 AND 31-DEC-2025:00:00:00 On Hold Comments: Additional Comments: Visit targetting GD71 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 GD-71 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; SEQ CUM S) 1-2 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-71 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-71 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; SEQ CUM (102.934 3-4 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-71 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-71 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 5-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-71 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-71 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -40, +0; SEQ CUM (102.934 7-8 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-71 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -40, +0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-71 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; SEQ CUM S) 9-10 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-71 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-71 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; SEQ CUM (102.934 11-12 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-71 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) 17968( 8) - 27-Mar-2026 18:25:41 - [ 9] 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 GD-71 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 13-14 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 14 GD-71 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 GD-71 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -40, +0; SEQ CUM (102.934 15-16 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 16 GD-71 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -40, +0 CUM 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-71 1 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-71 2 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-71 3 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-71 4 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-71 5 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-71 6 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-71 7 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-71 8 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-71 9 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-71 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-71 11 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-71 12 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-71 13 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-71 14 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-71 15 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-71 16 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 11] Visit: 03 (GRW+70 G102 and G141) Visit Requirements: ORIENT 160D TO 315 D; ORIENT 340D TO 130 D; BETWEEN 03-NOV-2025:00:00:00 AND 31-DEC-2025:00:00:00 On Hold Comments: Additional Comments: Visit targetting GRW+70 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 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; GS ACQ CUM S) SCENARIO BASE1O3; SEQ 1-2 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; SEQ CUM (102.934 3-4 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 5-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 6 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -40, +0; SEQ CUM (102.934 7-8 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -40, +0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 9 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; SEQ CUM S) 9-10 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 10 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; SEQ CUM (102.934 11-12 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 12] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 12 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 13 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 13-14 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 14 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -40, +0; SEQ CUM (102.934 15-16 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 16 GRW+70D5824 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -40, +0 CUM 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 | ------------------------------------------------------------------------------------------------------------------------------------ GRW+70D5824 1 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GRW+70D5824 2 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GRW+70D5824 3 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GRW+70D5824 4 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GRW+70D5824 5 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GRW+70D5824 6 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GRW+70D5824 7 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GRW+70D5824 8 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GRW+70D5824 9 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GRW+70D5824 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GRW+70D5824 11 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GRW+70D5824 12 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GRW+70D5824 13 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GRW+70D5824 14 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GRW+70D5824 15 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GRW+70D5824 16 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 14] Visit: 04 (P330E G102 and G141) Visit Requirements: ORIENT 240D TO 260 D; BETWEEN 21-MAR-2026 AND 30-APR-2026 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 P330E WFC3/IR MULTIAC GRISM1024 F098M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -0; SEQ CUM S) 1-2 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 P330E WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=RAPID, NSAMP=11 1 DEF POS TARG -20, 0 CUM (32.255 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 P330E WFC3/IR MULTIAC GRISM1024 F098M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, +15; SEQ CUM S) 3-4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 4 P330E WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=RAPID, NSAMP=11 1 DEF POS TARG -20, +15 CUM (32.255 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 P330E WFC3/IR MULTIAC GRISM1024 F098M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -15; SEQ CUM S) 5-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 6 P330E WFC3/IR MULTIAC GRISM1024 G102 NSAMP=11, SAMP-SEQ=RAPID 1 DEF POS TARG -20, -15 CUM (32.255 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 P330E WFC3/IR MULTIAC GRISM1024 F153M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -0; SEQ CUM S) 7-8 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 8 P330E WFC3/IR MULTIAC GRISM1024 G141 NSAMP=8, SAMP-SEQ=RAPID 1 DEF POS TARG -20, 0 CUM (23.458 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 P330E WFC3/IR MULTIAC GRISM1024 F153M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -15; SEQ CUM S) 9-10 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 10 P330E WFC3/IR MULTIAC GRISM1024 G141 NSAMP=8, SAMP-SEQ=RAPID 1 DEF POS TARG -20, -15 CUM (23.458 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 P330E WFC3/IR MULTIAC GRISM1024 F153M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, +15; SEQ CUM S) 11-12 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 12 P330E WFC3/IR MULTIAC GRISM1024 G141 NSAMP=8, SAMP-SEQ=RAPID 1 DEF POS TARG -20, +15 CUM (23.458 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 | ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ P330E 1 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 P330E 2 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 P330E 3 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 P330E 4 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 P330E 5 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 P330E 6 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 P330E 7 WFC3/IR MULTIAC GRISM102 F153M none none none none 1 N/A CUM 4 P330E 8 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 P330E 9 WFC3/IR MULTIAC GRISM102 F153M none none none none 1 N/A CUM 4 P330E 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 P330E 11 WFC3/IR MULTIAC GRISM102 F153M none none none none 1 N/A CUM 4 P330E 12 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 16] Visit: 05 (P330E G102 and G141) Visit Requirements: ORIENT 240D TO 260 D; AFTER 04 BY 7 D TO 40 D 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 P330E WFC3/IR MULTIAC GRISM1024 F153M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -0; GS ACQ CUM S) SCENARIO ONEB1OR; SEQ 1-2 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 P330E WFC3/IR MULTIAC GRISM1024 G141 NSAMP=8, SAMP-SEQ=RAPID 1 DEF POS TARG -20, 0 CUM (23.458 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 P330E WFC3/IR MULTIAC GRISM1024 F153M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -15; GS CUM S) ACQ SCENARIO ONEB1OR; SEQ 3-4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 4 P330E WFC3/IR MULTIAC GRISM1024 G141 NSAMP=8, SAMP-SEQ=RAPID 1 DEF POS TARG -20, -15 CUM (23.458 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 P330E WFC3/IR MULTIAC GRISM1024 F153M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, +15; GS CUM S) ACQ SCENARIO ONEB1OR; SEQ 5-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 6 P330E WFC3/IR MULTIAC GRISM1024 G141 NSAMP=8, SAMP-SEQ=RAPID 1 DEF POS TARG -20, +15 CUM (23.458 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 P330E WFC3/IR MULTIAC GRISM1024 F098M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -0; GS ACQ CUM S) SCENARIO ONEB1OR; SEQ 7-8 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 8 P330E WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=RAPID, NSAMP=11 1 DEF POS TARG -20, 0 CUM (32.255 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 P330E WFC3/IR MULTIAC GRISM1024 F098M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, +15; GS CUM S) ACQ SCENARIO ONEB1OR; SEQ 9-10 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 10 P330E WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=RAPID, NSAMP=11 1 DEF POS TARG -20, +15 CUM (32.255 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 P330E WFC3/IR MULTIAC GRISM1024 F098M NSAMP=1, SAMP-SEQ=RAPID 1 DEF (2.932 POS TARG -20, -15; GS CUM S) ACQ SCENARIO ONEB1OR; SEQ 11-12 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 12 P330E WFC3/IR MULTIAC GRISM1024 G102 NSAMP=11, SAMP-SEQ=RAPID 1 DEF POS TARG -20, -15 CUM (32.255 S) ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 17] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ P330E 1 WFC3/IR MULTIAC GRISM102 F153M none none none none 1 N/A CUM 4 P330E 2 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 P330E 3 WFC3/IR MULTIAC GRISM102 F153M none none none none 1 N/A CUM 4 P330E 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 P330E 5 WFC3/IR MULTIAC GRISM102 F153M none none none none 1 N/A CUM 4 P330E 6 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 P330E 7 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 P330E 8 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 P330E 9 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 P330E 10 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 P330E 11 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 P330E 12 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 18] Visit: 51 (GD153 G102 and G141) Visit Requirements: BETWEEN 01-JAN-2026:00:00:00 AND 31-MAR-2026:00:00:00 On Hold Comments: Additional Comments: Visit targetting GD153 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 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; GS ACQ CUM S) SCENARIO BASE1O3; SEQ 1-3 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15; SEQ CUM S) 4-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 7-9 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; SEQ CUM S) 10-12 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 19] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 13 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; SEQ CUM (102.934 13-15 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 14 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 15 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 16 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15; SEQ CUM (102.934 16-18 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 17 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 18 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 1 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 2 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 3 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 4 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 5 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 6 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 7 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 8 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 9 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 10 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 20] 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 12 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 13 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 14 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 15 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 16 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 17 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 18 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 21] Visit: 52 (GD153 G102 and G141) Visit Requirements: BETWEEN 01-JAN-2026:00:00:00 AND 31-MAR-2026:00:00:00 On Hold Comments: Additional Comments: Visit targetting GD153 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 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; GS ACQ CUM S) SCENARIO BASE1O3; SEQ 1-3 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15; SEQ CUM S) 4-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 7-9 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; SEQ CUM S) 10-12 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 22] 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 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; SEQ CUM (102.934 13-15 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 14 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 15 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 16 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15; SEQ CUM (102.934 16-18 NON-INT S) ------------------------------------------------------------------------------------------------------------------------------------ 17 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 18 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 1 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 2 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 3 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 4 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 5 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 6 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 7 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 8 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 9 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 10 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 23] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 12 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 13 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 14 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 15 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 16 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 17 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 18 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 24] Visit: 53 (GD153 G102 and G141) Visit Requirements: BETWEEN 01-MAR-2026:00:00:00 AND 30-APR-2026:00:00:00 On Hold Comments: Additional Comments: Visit targetting GD153 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 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; GS ACQ CUM S) SCENARIO ONEB1OR; SEQ 1-3 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15; GS CUM (102.934 ACQ SCENARIO ONEB1OR; S) SEQ 4-6 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-153 WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15; GS CUM (102.934 ACQ SCENARIO ONEB1OR; S) SEQ 7-9 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-153 WFC3/IR MULTIAC GRISM1024 F160W SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-153 WFC3/IR MULTIAC GRISM1024 F140W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -0; GS ACQ CUM S) SCENARIO ONEB1OR; SEQ 10-12 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -0 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 17968( 8) - 27-Mar-2026 18:25:41 - [ 25] 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 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, +15; GS CUM S) ACQ SCENARIO ONEB1OR; SEQ 13-15 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 14 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, +15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 15 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, +15 CUM (102.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 16 GD-153 WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=2 1 DEF (5.865 POS TARG -20, -15; SEQ CUM S) 16-18 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 17 GD-153 WFC3/IR MULTIAC GRISM1024 F105W SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -15 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 18 GD-153 WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=SPARS25, NSAMP=5 1 DEF POS TARG -20, -15 CUM (102.934 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 1 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 2 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 3 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 5 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 6 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 7 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GD-153 8 WFC3/IR MULTIAC GRISM102 F160W none none none none 1 N/A CUM 4 GD-153 9 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GD-153 10 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 26] 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-153 11 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 12 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 13 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 14 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 15 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 GD-153 16 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 GD-153 17 WFC3/IR MULTIAC GRISM102 F105W none none none none 1 N/A CUM 4 GD-153 18 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 17968( 8) - 27-Mar-2026 18:25:41 - [ 27] Summary Form for Proposal 17968 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures GRISM1024 ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=1, NSAMP=11, NSAMP=2, NSAMP=5, NSAMP=8, SAMP-SEQ=RAPID, SAMP-SEQ=SPARS25 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 04 BY 7 D TO 40 D, BETWEEN 01-JAN-2026:00:00:00 AND 31-MAR-2026:00:00:00, BETWEEN 01-MAR-2026:00:00:00 AND 30-APR-2026:00:00:00, BETWEEN 03-NOV-2025:00:00:00 AND 31-DEC-2025:00:00:00, BETWEEN 21-MAR-2026 AND 30-APR-2026, GS ACQ SCENARIO BASE1O3, GS ACQ SCENARIO ONEB1OR, ORIENT 135D TO 154 D, ORIENT 160D TO 315 D, ORIENT 197D TO 225 D, ORIENT 240D TO 260 D, ORIENT 26D TO 30 D, ORIENT 280D TO 310 D, ORIENT 340D TO 130 D, ORIENT 43D TO 55 D, POS TARG -20, +15, POS TARG -20, -0, POS TARG -20, -15, POS TARG -20, 0, POS TARG -40, +0, SEQ 1-2 NON-INT, SEQ 1-3 NON-INT, SEQ 10-12 NON-INT, SEQ 11-12 NON-INT, SEQ 13-14 NON-INT, SEQ 13-15 NON-INT, SEQ 15-16 NON-INT, SEQ 16-18 NON-INT, SEQ 3-4 NON-INT, SEQ 4-6 NON-INT, SEQ 5-6 NON-INT, SEQ 7-8 NON-INT, SEQ 7-9 NON-INT, SEQ 9-10 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F098M, F105W, F140W, F153M, F160W, G102, G141 ------------------------------------------------------------------------------------------------------------------------------------ Target Names GD-153, GD-71, GRW+70D5824, P330E ------------------------------------------------------------------------------------------------------------------------------------