17961( 4) - 05-Jan-2026 19:12:04 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17961 Version: 4 Check-in Time: 05-Jan-2026 19:12:04 STScI Edit Number: 0 Title WFC3 IR Photometry ------------------------------------------------------------------------------------ Type Cycle CAL/WFC3 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Ms. Jennifer Mack Space Telescope Science Institute Y CoI: Mariarosa Marinelli Space Telescope Science Institute Y CoI: Varun Bajaj Space Telescope Science Institute Y ------------------------------------------------------------------------------------ Abstract Monitor the IR photometric throughput and time-dependent sensitivity losses with staring mode observations of four CALSPEC standard stars. Compute new time-dependent inverse sensitivities and encircled energies, if needed. ------------------------------------------------------------------------------------ Observations Description ------------------------ Observations of three hot white dwarfs (GD153, GD71, GRW+70D5824) and the G-type standard (P330E) will be aquired in all IR imaging filters using subarrays at the center of the detector. Large dithers are used to mitigate contamination from self-persistence from exposure-to-exposure through the orbit. ------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 GD-153 CALIBRATION, RA=12H57M2.3225S, J2000 V = 13.349 PHOTOMETRIC DEC=+22D01'52.63" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -0.0027618024575117 -0.2029900000025009 0.014593 ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-71 CALIBRATION, RA=05H52M27.6199S, J2000 V = 13.032 PHOTOMETRIC DEC=+15D53'13.23" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.00531834258107496 -0.17295999998623302 0.0195638 ------------------------------------------------------------------------------------------------------------------------------------ 3 GRW+70 CALIBRATION, RA=13H38M50.4781S, J2000 V = 12.6 PHOTOMETRIC DEC=+70D17'7.64" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -0.07946203976939076 -0.024556000062148087 0.0377291 ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 4 P330E CALIBRATION, RA=16H31M33.8124S, J2000 V = 12.917 PHOTOMETRIC DEC=+30D08'46.40" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. SIMBAD listed proper motion for this target. When retrieving targets with PM from SIMBAD, APT requests the coordinates be calculated with an epoch of the year 2000. Do not modify this epoch. Always review coordinates using the Target Confirmation tool, which graphically displays the PM. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -6.847478370064741E-4 -0.03870500008815725 0.0022149 ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.636 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 41.788 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 3 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-LINE-3PT Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 0.605 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 41.788 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 4 Primary_Pattern Secondary_Pattern Pattern_Type LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 2 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 0 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 5 Primary_Pattern Secondary_Pattern Pattern_Type LINE Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 1.3 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 15 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 5] Visit: 01 (GD153) Visit Requirements: BETWEEN 05-NOV-2025:00:00:00 AND 15-JAN-2026:00:00:00 On Hold Comments: Additional Comments: All filters except F128N, F130N 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 IRSUB256 F139M SAMP-SEQ=SPARS5, NSAMP=10 1 DEF POS TARG -2, 8; GS ACQ CUM (42.842 S) SCENARIO BASE1O3; PATTERN 2 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-153 WFC3/IR MULTIAC IRSUB256 F153M SAMP-SEQ=SPARS5, NSAMP=11 1 DEF (47.54 POS TARG 1, 6; PATTERN 2 CUM S) 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-153 WFC3/IR MULTIAC IRSUB256 F098M SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG -3, 3; PATTERN CUM S) 2 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-153 WFC3/IR MULTIAC IRSUB256 F127M SAMP-SEQ=SPARS5, NSAMP=9 1 DEF POS TARG -5, 6; PATTERN CUM (38.144 S) 2 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-153 WFC3/IR MULTIAC IRSUB256 F125W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 3, 0; PATTERN 2 CUM S) 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-153 WFC3/IR MULTIAC IRSUB512 F160W SAMP-SEQ=RAPID, NSAMP=10 1 DEF POS TARG -8, -5; PATTERN CUM (17.061 S) 2 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-153 WFC3/IR MULTIAC IRSUB256 F140W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 5, -2; PATTERN CUM S) 2 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-153 WFC3/IR MULTIAC IRSUB256 F105W SAMP-SEQ=RAPID, NSAMP=10 1 DEF (5.556 POS TARG 6, 4; PATTERN 2 CUM S) 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-153 WFC3/IR MULTIAC IRSUB128 F110W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (3.381 POS TARG 1, 1; PATTERN 2 CUM S) 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-153 WFC3/IR MULTIAC IRSUB128 F126N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1; PATTERN CUM (100.765 2 10-13 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-153 WFC3/IR MULTIAC IRSUB128 F164N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1 CUM (100.765 S) Comments: This filter was OMITTED in last cycle in program 16415 ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-153 WFC3/IR MULTIAC IRSUB128 F132N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1 CUM (100.765 S) ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 IRSUB128 F167N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1 CUM (100.765 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 IRSUB256 F139M 1 none none none 1 N/A CUM GD-153 1 WFC3/IR MULTIAC IRSUB256 F139M 2 none none none 1 N/A CUM GD-153 2 WFC3/IR MULTIAC IRSUB256 F153M 1 none none none 1 N/A CUM GD-153 2 WFC3/IR MULTIAC IRSUB256 F153M 2 none none none 1 N/A CUM GD-153 3 WFC3/IR MULTIAC IRSUB256 F098M 1 none none none 1 N/A CUM GD-153 3 WFC3/IR MULTIAC IRSUB256 F098M 2 none none none 1 N/A CUM GD-153 4 WFC3/IR MULTIAC IRSUB256 F127M 1 none none none 1 N/A CUM GD-153 4 WFC3/IR MULTIAC IRSUB256 F127M 2 none none none 1 N/A CUM GD-153 5 WFC3/IR MULTIAC IRSUB256 F125W 1 none none none 1 N/A CUM GD-153 5 WFC3/IR MULTIAC IRSUB256 F125W 2 none none none 1 N/A CUM GD-153 6 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM GD-153 6 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM GD-153 7 WFC3/IR MULTIAC IRSUB256 F140W 1 none none none 1 N/A CUM GD-153 7 WFC3/IR MULTIAC IRSUB256 F140W 2 none none none 1 N/A CUM GD-153 8 WFC3/IR MULTIAC IRSUB256 F105W 1 none none none 1 N/A CUM GD-153 8 WFC3/IR MULTIAC IRSUB256 F105W 2 none none none 1 N/A CUM GD-153 9 WFC3/IR MULTIAC IRSUB128 F110W 1 none none none 1 N/A CUM GD-153 9 WFC3/IR MULTIAC IRSUB128 F110W 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 10 WFC3/IR MULTIAC IRSUB128 F126N 1 none none none 1 N/A CUM GD-153 10 WFC3/IR MULTIAC IRSUB128 F126N 2 none none none 1 N/A CUM GD-153 11 WFC3/IR MULTIAC IRSUB128 F164N 1 none none none 1 N/A CUM GD-153 11 WFC3/IR MULTIAC IRSUB128 F164N 2 none none none 1 N/A CUM GD-153 12 WFC3/IR MULTIAC IRSUB128 F132N 1 none none none 1 N/A CUM GD-153 12 WFC3/IR MULTIAC IRSUB128 F132N 2 none none none 1 N/A CUM GD-153 13 WFC3/IR MULTIAC IRSUB128 F167N 1 none none none 1 N/A CUM GD-153 13 WFC3/IR MULTIAC IRSUB128 F167N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 8] Visit: 02 (GRW+70) Visit Requirements: BETWEEN 05-NOV-2025:00:00:00 AND 15-JAN-2026:00:00:00 On Hold Comments: Additional Comments: All filters except F167N 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+70 WFC3/IR MULTIAC IRSUB128 F105W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (5.072 POS TARG -3, -3; PATTERN CUM S) 3 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GRW+70 WFC3/IR MULTIAC IRSUB128 F110W SAMP-SEQ=RAPID, NSAMP=12 1 DEF (2.705 POS TARG -1.3, 0; CUM S) PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 GRW+70 WFC3/IR MULTIAC IRSUB128 F098M NSAMP=15, SAMP-SEQ=RAPID 1 DEF (3.381 POS TARG 2, 2.5; PATTERN CUM S) 2 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 GRW+70 WFC3/IR MULTIAC IRSUB256 F127M SAMP-SEQ=RAPID, NSAMP=11 1 DEF (6.112 POS TARG -5, 6; PATTERN CUM S) 2 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 GRW+70 WFC3/IR MULTIAC IRSUB256 F139M SAMP-SEQ=SPARS5, NSAMP=9 1 DEF POS TARG -2, 8; PATTERN CUM (38.144 S) 2 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 GRW+70 WFC3/IR MULTIAC IRSUB256 F160W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG -8, -5; PATTERN CUM S) 2 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 GRW+70 WFC3/IR MULTIAC IRSUB256 F153M SAMP-SEQ=SPARS5, NSAMP=10 1 DEF POS TARG 1, 6; PATTERN 2 CUM (42.842 S) 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 GRW+70 WFC3/IR MULTIAC IRSUB256 F125W SAMP-SEQ=RAPID, NSAMP=11 1 DEF (6.112 POS TARG 3, 0; PATTERN 2 CUM S) 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 GRW+70 WFC3/IR MULTIAC IRSUB256 F140W SAMP-SEQ=RAPID, NSAMP=11 1 DEF (6.112 POS TARG 5, -2; PATTERN CUM S) 2 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 GRW+70 WFC3/IR MULTIAC IRSUB512 F126N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1; PATTERN 2 CUM (65.979 S) 10-14 ------------------------------------------------------------------------------------------------------------------------------------ 11 GRW+70 WFC3/IR MULTIAC IRSUB512 F128N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1 CUM (65.979 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GRW+70 WFC3/IR MULTIAC IRSUB512 F130N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1 CUM (65.979 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 GRW+70 WFC3/IR MULTIAC IRSUB512 F132N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1 CUM (65.979 S) ------------------------------------------------------------------------------------------------------------------------------------ 14 GRW+70 WFC3/IR MULTIAC IRSUB512 F164N SAMP-SEQ=SPARS5, NSAMP=13 1 DEF POS TARG 1, 1 CUM (71.822 S) ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 9] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ 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+70 1 WFC3/IR MULTIAC IRSUB128 F105W 1 none none none 1 N/A CUM GRW+70 1 WFC3/IR MULTIAC IRSUB128 F105W 2 none none none 1 N/A CUM GRW+70 1 WFC3/IR MULTIAC IRSUB128 F105W 3 none none none 1 N/A CUM GRW+70 2 WFC3/IR MULTIAC IRSUB128 F110W 1 none none none 1 N/A CUM GRW+70 2 WFC3/IR MULTIAC IRSUB128 F110W 2 none none none 1 N/A CUM GRW+70 3 WFC3/IR MULTIAC IRSUB128 F098M 1 none none none 1 N/A CUM GRW+70 3 WFC3/IR MULTIAC IRSUB128 F098M 2 none none none 1 N/A CUM GRW+70 4 WFC3/IR MULTIAC IRSUB256 F127M 1 none none none 1 N/A CUM GRW+70 4 WFC3/IR MULTIAC IRSUB256 F127M 2 none none none 1 N/A CUM GRW+70 5 WFC3/IR MULTIAC IRSUB256 F139M 1 none none none 1 N/A CUM GRW+70 5 WFC3/IR MULTIAC IRSUB256 F139M 2 none none none 1 N/A CUM GRW+70 6 WFC3/IR MULTIAC IRSUB256 F160W 1 none none none 1 N/A CUM GRW+70 6 WFC3/IR MULTIAC IRSUB256 F160W 2 none none none 1 N/A CUM GRW+70 7 WFC3/IR MULTIAC IRSUB256 F153M 1 none none none 1 N/A CUM GRW+70 7 WFC3/IR MULTIAC IRSUB256 F153M 2 none none none 1 N/A CUM GRW+70 8 WFC3/IR MULTIAC IRSUB256 F125W 1 none none none 1 N/A CUM GRW+70 8 WFC3/IR MULTIAC IRSUB256 F125W 2 none none none 1 N/A CUM GRW+70 9 WFC3/IR MULTIAC IRSUB256 F140W 1 none none none 1 N/A CUM GRW+70 9 WFC3/IR MULTIAC IRSUB256 F140W 2 none none none 1 N/A CUM GRW+70 10 WFC3/IR MULTIAC IRSUB512 F126N 1 none none none 1 N/A CUM GRW+70 10 WFC3/IR MULTIAC IRSUB512 F126N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GRW+70 11 WFC3/IR MULTIAC IRSUB512 F128N 1 none none none 1 N/A CUM GRW+70 11 WFC3/IR MULTIAC IRSUB512 F128N 2 none none none 1 N/A CUM GRW+70 12 WFC3/IR MULTIAC IRSUB512 F130N 1 none none none 1 N/A CUM GRW+70 12 WFC3/IR MULTIAC IRSUB512 F130N 2 none none none 1 N/A CUM GRW+70 13 WFC3/IR MULTIAC IRSUB512 F132N 1 none none none 1 N/A CUM GRW+70 13 WFC3/IR MULTIAC IRSUB512 F132N 2 none none none 1 N/A CUM GRW+70 14 WFC3/IR MULTIAC IRSUB512 F164N 1 none none none 1 N/A CUM GRW+70 14 WFC3/IR MULTIAC IRSUB512 F164N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 11] Visit: 03 (GD71) Visit Requirements: BETWEEN 05-NOV-2025:00:00:00 AND 15-JAN-2026:00:00:00 On Hold Comments: Additional Comments: All filters except F128N, F132N 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 IRSUB256 F098M SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG -3, 3; PATTERN CUM S) 4 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-71 WFC3/IR MULTIAC IRSUB256 F105W SAMP-SEQ=RAPID, NSAMP=10 1 DEF (8.334 POS TARG 6, 4; PATTERN 5 CUM S) 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-71 WFC3/IR MULTIAC IRSUB256 F127M SAMP-SEQ=SPARS5, NSAMP=10 1 DEF POS TARG -5, 6; PATTERN CUM (42.842 S) 4 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-71 WFC3/IR MULTIAC IRSUB256 F139M SAMP-SEQ=SPARS5, NSAMP=14 1 DEF POS TARG -2, 8; PATTERN CUM (61.634 S) 4 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-71 WFC3/IR MULTIAC IRSUB256 F153M SAMP-SEQ=SPARS5, NSAMP=15 1 DEF POS TARG 1, 6; PATTERN 4 CUM (66.332 S) 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-71 WFC3/IR MULTIAC IRSUB256 F110W SAMP-SEQ=RAPID, NSAMP=7 1 DEF (5.834 POS TARG 4, 8; PATTERN 5 CUM S) 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-71 WFC3/IR MULTIAC IRSUB256 F125W SAMP-SEQ=RAPID, NSAMP=15 1 DEF POS TARG 3, 1; PATTERN 5 CUM (12.502 S) 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-71 WFC3/IR MULTIAC IRSUB256 F140W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 5, -2; PATTERN CUM S) 4 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-71 WFC3/IR MULTIAC IRSUB512 F160W SAMP-SEQ=RAPID, NSAMP=12 1 DEF POS TARG -8, -5; PATTERN CUM (20.473 S) 4 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-71 WFC3/IR MULTIAC IRSUB128 F126N SAMP-SEQ=SPARS5, NSAMP=10 1 DEF PATTERN 4 10-13 CUM (39.487 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-71 WFC3/IR MULTIAC IRSUB128 F130N SAMP-SEQ=SPARS5, NSAMP=10 1 DEF CUM (39.487 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-71 WFC3/IR MULTIAC IRSUB128 F167N SAMP-SEQ=SPARS5, NSAMP=15 1 DEF CUM (61.299 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 GD-71 WFC3/IR MULTIAC IRSUB128 F164N SAMP-SEQ=SPARS5, NSAMP=15 1 DEF CUM (61.299 S) ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 12] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GD-71 1 WFC3/IR MULTIAC IRSUB256 F098M 1 none none none 1 N/A CUM GD-71 1 WFC3/IR MULTIAC IRSUB256 F098M 2 none none none 1 N/A CUM GD-71 2 WFC3/IR MULTIAC IRSUB256 F105W 1 none none none 1 N/A CUM GD-71 2 WFC3/IR MULTIAC IRSUB256 F105W 2 none none none 1 N/A CUM GD-71 2 WFC3/IR MULTIAC IRSUB256 F105W 3 none none none 1 N/A CUM GD-71 3 WFC3/IR MULTIAC IRSUB256 F127M 1 none none none 1 N/A CUM GD-71 3 WFC3/IR MULTIAC IRSUB256 F127M 2 none none none 1 N/A CUM GD-71 4 WFC3/IR MULTIAC IRSUB256 F139M 1 none none none 1 N/A CUM GD-71 4 WFC3/IR MULTIAC IRSUB256 F139M 2 none none none 1 N/A CUM GD-71 5 WFC3/IR MULTIAC IRSUB256 F153M 1 none none none 1 N/A CUM GD-71 5 WFC3/IR MULTIAC IRSUB256 F153M 2 none none none 1 N/A CUM GD-71 6 WFC3/IR MULTIAC IRSUB256 F110W 1 none none none 1 N/A CUM GD-71 6 WFC3/IR MULTIAC IRSUB256 F110W 2 none none none 1 N/A CUM GD-71 6 WFC3/IR MULTIAC IRSUB256 F110W 3 none none none 1 N/A CUM GD-71 7 WFC3/IR MULTIAC IRSUB256 F125W 1 none none none 1 N/A CUM GD-71 7 WFC3/IR MULTIAC IRSUB256 F125W 2 none none none 1 N/A CUM GD-71 7 WFC3/IR MULTIAC IRSUB256 F125W 3 none none none 1 N/A CUM GD-71 8 WFC3/IR MULTIAC IRSUB256 F140W 1 none none none 1 N/A CUM GD-71 8 WFC3/IR MULTIAC IRSUB256 F140W 2 none none none 1 N/A CUM GD-71 9 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM GD-71 9 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-71 10 WFC3/IR MULTIAC IRSUB128 F126N 1 none none none 1 N/A CUM GD-71 10 WFC3/IR MULTIAC IRSUB128 F126N 2 none none none 1 N/A CUM GD-71 11 WFC3/IR MULTIAC IRSUB128 F130N 1 none none none 1 N/A CUM GD-71 11 WFC3/IR MULTIAC IRSUB128 F130N 2 none none none 1 N/A CUM GD-71 12 WFC3/IR MULTIAC IRSUB128 F167N 1 none none none 1 N/A CUM GD-71 12 WFC3/IR MULTIAC IRSUB128 F167N 2 none none none 1 N/A CUM GD-71 13 WFC3/IR MULTIAC IRSUB128 F164N 1 none none none 1 N/A CUM GD-71 13 WFC3/IR MULTIAC IRSUB128 F164N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 14] Visit: 04 (P330E) Visit Requirements: ORIENT 240D TO 260 D; BEFORE 01-JUL-2026:00:00:00 On Hold Comments: Additional Comments: All filters plus both grisms Orients changes from last cycle to avoid a faint contaminator. These are consistent with the updated orients in the IR grism flux monitor, program 17968. OLD=180-240, NEW=240, 260 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 IRSUB64 F110W SAMP-SEQ=RAPID, NSAMP=7 1 DEF (0.851 POS TARG 0, 0; PATTERN 2 CUM S) 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 P330E WFC3/IR MULTIAC IRSUB128 F140W SAMP-SEQ=RAPID, NSAMP=7 1 DEF (1.578 POS TARG -1.5, -1.5; CUM S) PATTERN 4 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 P330E WFC3/IR MULTIAC IRSUB128 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (1.803 POS TARG 2.2, 2.2; CUM S) PATTERN 4 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 P330E WFC3/IR MULTIAC IRSUB128 F105W SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.352 POS TARG -3, 2; PATTERN CUM S) 4 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 P330E WFC3/IR MULTIAC IRSUB128 F125W SAMP-SEQ=RAPID, NSAMP=7 1 DEF (1.578 POS TARG -4, -3; PATTERN CUM S) 4 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 P330E WFC3/IR MULTIAC IRSUB128 F160W SAMP-SEQ=RAPID, NSAMP=10 1 DEF (2.254 POS TARG -5, -1; PATTERN CUM S) 4 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 P330E WFC3/IR MULTIAC IRSUB256 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (4.445 POS TARG 5, 3.5; PATTERN CUM S) 4 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 P330E WFC3/IR MULTIAC IRSUB256 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (4.445 POS TARG -6, -6; PATTERN CUM S) 4 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 P330E WFC3/IR MULTIAC IRSUB256 F153M SAMP-SEQ=RAPID, NSAMP=10 1 DEF (5.556 POS TARG 6, 6; PATTERN 2 CUM S) 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 P330E WFC3/IR MULTIAC IRSUB256 F126N SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 4, -4; PATTERN CUM S) 4 10-15 ------------------------------------------------------------------------------------------------------------------------------------ 11 P330E WFC3/IR MULTIAC IRSUB256 F128N SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 4, -4 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 12 P330E WFC3/IR MULTIAC IRSUB256 F130N SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 4, -4 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 13 P330E WFC3/IR MULTIAC IRSUB256 F132N SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 4, -4 CUM S) 17961( 4) - 05-Jan-2026 19:12:04 - [ 15] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 14 P330E WFC3/IR MULTIAC IRSUB256 F164N SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 4, -4 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 15 P330E WFC3/IR MULTIAC IRSUB256 F167N SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 4, -4 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 16 P330E WFC3/IR MULTIAC GRISM1024 F153M SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0; SEQ CUM S) 16-20 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 17 P330E WFC3/IR MULTIAC GRISM1024 G141 SAMP-SEQ=RAPID, NSAMP=8 1 DEF POS TARG -20, 0 CUM (23.458 S) ------------------------------------------------------------------------------------------------------------------------------------ 18 P330E WFC3/IR MULTIAC GRISM1024 F098M SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -0 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 19 P330E WFC3/IR MULTIAC GRISM1024 G102 SAMP-SEQ=RAPID, NSAMP=11 1 DEF POS TARG -20, 0 CUM (32.255 S) ------------------------------------------------------------------------------------------------------------------------------------ 20 P330E WFC3/IR MULTIAC GRISM1024 F139M SAMP-SEQ=RAPID, NSAMP=1 1 DEF (2.932 POS TARG -20, -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 | ------------------------------------------------------------------------------------------------------------------------------------ P330E 1 WFC3/IR MULTIAC IRSUB64 F110W 1 none none none 1 N/A CUM P330E 1 WFC3/IR MULTIAC IRSUB64 F110W 2 none none none 1 N/A CUM P330E 2 WFC3/IR MULTIAC IRSUB128 F140W 1 none none none 1 N/A CUM P330E 2 WFC3/IR MULTIAC IRSUB128 F140W 2 none none none 1 N/A CUM P330E 3 WFC3/IR MULTIAC IRSUB128 F098M 1 none none none 1 N/A CUM P330E 3 WFC3/IR MULTIAC IRSUB128 F098M 2 none none none 1 N/A CUM P330E 4 WFC3/IR MULTIAC IRSUB128 F105W 1 none none none 1 N/A CUM P330E 4 WFC3/IR MULTIAC IRSUB128 F105W 2 none none none 1 N/A CUM P330E 5 WFC3/IR MULTIAC IRSUB128 F125W 1 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 16] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ P330E 5 WFC3/IR MULTIAC IRSUB128 F125W 2 none none none 1 N/A CUM P330E 6 WFC3/IR MULTIAC IRSUB128 F160W 1 none none none 1 N/A CUM P330E 6 WFC3/IR MULTIAC IRSUB128 F160W 2 none none none 1 N/A CUM P330E 7 WFC3/IR MULTIAC IRSUB256 F127M 1 none none none 1 N/A CUM P330E 7 WFC3/IR MULTIAC IRSUB256 F127M 2 none none none 1 N/A CUM P330E 8 WFC3/IR MULTIAC IRSUB256 F139M 1 none none none 1 N/A CUM P330E 8 WFC3/IR MULTIAC IRSUB256 F139M 2 none none none 1 N/A CUM P330E 9 WFC3/IR MULTIAC IRSUB256 F153M 1 none none none 1 N/A CUM P330E 9 WFC3/IR MULTIAC IRSUB256 F153M 2 none none none 1 N/A CUM P330E 10 WFC3/IR MULTIAC IRSUB256 F126N 1 none none none 1 N/A CUM P330E 10 WFC3/IR MULTIAC IRSUB256 F126N 2 none none none 1 N/A CUM P330E 11 WFC3/IR MULTIAC IRSUB256 F128N 1 none none none 1 N/A CUM P330E 11 WFC3/IR MULTIAC IRSUB256 F128N 2 none none none 1 N/A CUM P330E 12 WFC3/IR MULTIAC IRSUB256 F130N 1 none none none 1 N/A CUM P330E 12 WFC3/IR MULTIAC IRSUB256 F130N 2 none none none 1 N/A CUM P330E 13 WFC3/IR MULTIAC IRSUB256 F132N 1 none none none 1 N/A CUM P330E 13 WFC3/IR MULTIAC IRSUB256 F132N 2 none none none 1 N/A CUM P330E 14 WFC3/IR MULTIAC IRSUB256 F164N 1 none none none 1 N/A CUM P330E 14 WFC3/IR MULTIAC IRSUB256 F164N 2 none none none 1 N/A CUM P330E 15 WFC3/IR MULTIAC IRSUB256 F167N 1 none none none 1 N/A CUM P330E 15 WFC3/IR MULTIAC IRSUB256 F167N 2 none none none 1 N/A CUM P330E 16 WFC3/IR MULTIAC GRISM102 F153M none none none none 1 N/A CUM 4 P330E 17 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 P330E 18 WFC3/IR MULTIAC GRISM102 F098M none none none none 1 N/A CUM 4 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ P330E 19 WFC3/IR MULTIAC GRISM102 G102 none none none none 1 N/A CUM 4 P330E 20 WFC3/IR MULTIAC GRISM102 F139M none none none none 1 N/A CUM 4 17961( 4) - 05-Jan-2026 19:12:04 - [ 18] Visit: A1 (GD153 - repeat) Visit Requirements: BETWEEN 01-JAN-2026:00:00:00 AND 15-MAR-2026:00:00:00 On Hold Comments: Additional Comments: All filters except F128N, F130N 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 IRSUB256 F139M SAMP-SEQ=SPARS5, NSAMP=10 1 DEF POS TARG -2, 8; GS ACQ CUM (42.842 S) SCENARIO BASE1O3; PATTERN 2 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-153 WFC3/IR MULTIAC IRSUB256 F153M SAMP-SEQ=SPARS5, NSAMP=11 1 DEF (47.54 POS TARG 1, 6; PATTERN 2 CUM S) 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-153 WFC3/IR MULTIAC IRSUB256 F098M SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG -3, 3; PATTERN CUM S) 2 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-153 WFC3/IR MULTIAC IRSUB256 F127M SAMP-SEQ=SPARS5, NSAMP=9 1 DEF POS TARG -5, 6; PATTERN CUM (38.144 S) 2 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-153 WFC3/IR MULTIAC IRSUB256 F125W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 3, 0; PATTERN 2 CUM S) 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-153 WFC3/IR MULTIAC IRSUB512 F160W SAMP-SEQ=RAPID, NSAMP=10 1 DEF POS TARG -8, -5; PATTERN CUM (17.061 S) 2 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-153 WFC3/IR MULTIAC IRSUB256 F140W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 5, -2; PATTERN CUM S) 2 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-153 WFC3/IR MULTIAC IRSUB256 F105W SAMP-SEQ=RAPID, NSAMP=10 1 DEF (5.556 POS TARG 6, 4; PATTERN 2 CUM S) 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-153 WFC3/IR MULTIAC IRSUB128 F110W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (3.381 POS TARG 1, 1; PATTERN 2 CUM S) 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-153 WFC3/IR MULTIAC IRSUB128 F126N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1; PATTERN CUM (100.765 2 10-13 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-153 WFC3/IR MULTIAC IRSUB128 F164N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1 CUM (100.765 S) Comments: This filter was OMITTED in last cycle in program 16415 ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-153 WFC3/IR MULTIAC IRSUB128 F132N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1 CUM (100.765 S) ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 IRSUB128 F167N SAMP-SEQ=SPARS10, NSAMP=8 1 DEF POS TARG -1, -1 CUM (100.765 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 IRSUB256 F139M 1 none none none 1 N/A CUM GD-153 1 WFC3/IR MULTIAC IRSUB256 F139M 2 none none none 1 N/A CUM GD-153 2 WFC3/IR MULTIAC IRSUB256 F153M 1 none none none 1 N/A CUM GD-153 2 WFC3/IR MULTIAC IRSUB256 F153M 2 none none none 1 N/A CUM GD-153 3 WFC3/IR MULTIAC IRSUB256 F098M 1 none none none 1 N/A CUM GD-153 3 WFC3/IR MULTIAC IRSUB256 F098M 2 none none none 1 N/A CUM GD-153 4 WFC3/IR MULTIAC IRSUB256 F127M 1 none none none 1 N/A CUM GD-153 4 WFC3/IR MULTIAC IRSUB256 F127M 2 none none none 1 N/A CUM GD-153 5 WFC3/IR MULTIAC IRSUB256 F125W 1 none none none 1 N/A CUM GD-153 5 WFC3/IR MULTIAC IRSUB256 F125W 2 none none none 1 N/A CUM GD-153 6 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM GD-153 6 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM GD-153 7 WFC3/IR MULTIAC IRSUB256 F140W 1 none none none 1 N/A CUM GD-153 7 WFC3/IR MULTIAC IRSUB256 F140W 2 none none none 1 N/A CUM GD-153 8 WFC3/IR MULTIAC IRSUB256 F105W 1 none none none 1 N/A CUM GD-153 8 WFC3/IR MULTIAC IRSUB256 F105W 2 none none none 1 N/A CUM GD-153 9 WFC3/IR MULTIAC IRSUB128 F110W 1 none none none 1 N/A CUM GD-153 9 WFC3/IR MULTIAC IRSUB128 F110W 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 10 WFC3/IR MULTIAC IRSUB128 F126N 1 none none none 1 N/A CUM GD-153 10 WFC3/IR MULTIAC IRSUB128 F126N 2 none none none 1 N/A CUM GD-153 11 WFC3/IR MULTIAC IRSUB128 F164N 1 none none none 1 N/A CUM GD-153 11 WFC3/IR MULTIAC IRSUB128 F164N 2 none none none 1 N/A CUM GD-153 12 WFC3/IR MULTIAC IRSUB128 F132N 1 none none none 1 N/A CUM GD-153 12 WFC3/IR MULTIAC IRSUB128 F132N 2 none none none 1 N/A CUM GD-153 13 WFC3/IR MULTIAC IRSUB128 F167N 1 none none none 1 N/A CUM GD-153 13 WFC3/IR MULTIAC IRSUB128 F167N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 21] Visit: A2 (GRW+70 - repeat) Visit Requirements: BETWEEN 05-NOV-2025:00:00:00 AND 15-APR-2026:00:00:00 On Hold Comments: Additional Comments: All filters except F167N 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+70 WFC3/IR MULTIAC IRSUB128 F105W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (5.072 POS TARG -3, -3; PATTERN CUM S) 3 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GRW+70 WFC3/IR MULTIAC IRSUB128 F110W SAMP-SEQ=RAPID, NSAMP=12 1 DEF (2.705 POS TARG -1.3, 0; CUM S) PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 GRW+70 WFC3/IR MULTIAC IRSUB128 F098M NSAMP=15, SAMP-SEQ=RAPID 1 DEF (3.381 POS TARG 2, 2.5; PATTERN CUM S) 2 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 GRW+70 WFC3/IR MULTIAC IRSUB256 F127M SAMP-SEQ=RAPID, NSAMP=11 1 DEF (6.112 POS TARG -5, 6; PATTERN CUM S) 2 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 GRW+70 WFC3/IR MULTIAC IRSUB256 F139M SAMP-SEQ=SPARS5, NSAMP=9 1 DEF POS TARG -2, 8; PATTERN CUM (38.144 S) 2 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 GRW+70 WFC3/IR MULTIAC IRSUB256 F160W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG -8, -5; PATTERN CUM S) 2 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 GRW+70 WFC3/IR MULTIAC IRSUB256 F153M SAMP-SEQ=SPARS5, NSAMP=10 1 DEF POS TARG 1, 6; PATTERN 2 CUM (42.842 S) 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 GRW+70 WFC3/IR MULTIAC IRSUB256 F125W SAMP-SEQ=RAPID, NSAMP=11 1 DEF (6.112 POS TARG 3, 0; PATTERN 2 CUM S) 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 GRW+70 WFC3/IR MULTIAC IRSUB256 F140W SAMP-SEQ=RAPID, NSAMP=11 1 DEF (6.112 POS TARG 5, -2; PATTERN CUM S) 2 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 GRW+70 WFC3/IR MULTIAC IRSUB512 F126N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1; PATTERN 2 CUM (65.979 S) 10-14 ------------------------------------------------------------------------------------------------------------------------------------ 11 GRW+70 WFC3/IR MULTIAC IRSUB512 F128N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1 CUM (65.979 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GRW+70 WFC3/IR MULTIAC IRSUB512 F130N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1 CUM (65.979 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 GRW+70 WFC3/IR MULTIAC IRSUB512 F132N SAMP-SEQ=SPARS5, NSAMP=12 1 DEF POS TARG 1, 1 CUM (65.979 S) ------------------------------------------------------------------------------------------------------------------------------------ 14 GRW+70 WFC3/IR MULTIAC IRSUB512 F164N SAMP-SEQ=SPARS5, NSAMP=13 1 DEF POS TARG 1, 1 CUM (71.822 S) ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 22] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ 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+70 1 WFC3/IR MULTIAC IRSUB128 F105W 1 none none none 1 N/A CUM GRW+70 1 WFC3/IR MULTIAC IRSUB128 F105W 2 none none none 1 N/A CUM GRW+70 1 WFC3/IR MULTIAC IRSUB128 F105W 3 none none none 1 N/A CUM GRW+70 2 WFC3/IR MULTIAC IRSUB128 F110W 1 none none none 1 N/A CUM GRW+70 2 WFC3/IR MULTIAC IRSUB128 F110W 2 none none none 1 N/A CUM GRW+70 3 WFC3/IR MULTIAC IRSUB128 F098M 1 none none none 1 N/A CUM GRW+70 3 WFC3/IR MULTIAC IRSUB128 F098M 2 none none none 1 N/A CUM GRW+70 4 WFC3/IR MULTIAC IRSUB256 F127M 1 none none none 1 N/A CUM GRW+70 4 WFC3/IR MULTIAC IRSUB256 F127M 2 none none none 1 N/A CUM GRW+70 5 WFC3/IR MULTIAC IRSUB256 F139M 1 none none none 1 N/A CUM GRW+70 5 WFC3/IR MULTIAC IRSUB256 F139M 2 none none none 1 N/A CUM GRW+70 6 WFC3/IR MULTIAC IRSUB256 F160W 1 none none none 1 N/A CUM GRW+70 6 WFC3/IR MULTIAC IRSUB256 F160W 2 none none none 1 N/A CUM GRW+70 7 WFC3/IR MULTIAC IRSUB256 F153M 1 none none none 1 N/A CUM GRW+70 7 WFC3/IR MULTIAC IRSUB256 F153M 2 none none none 1 N/A CUM GRW+70 8 WFC3/IR MULTIAC IRSUB256 F125W 1 none none none 1 N/A CUM GRW+70 8 WFC3/IR MULTIAC IRSUB256 F125W 2 none none none 1 N/A CUM GRW+70 9 WFC3/IR MULTIAC IRSUB256 F140W 1 none none none 1 N/A CUM GRW+70 9 WFC3/IR MULTIAC IRSUB256 F140W 2 none none none 1 N/A CUM GRW+70 10 WFC3/IR MULTIAC IRSUB512 F126N 1 none none none 1 N/A CUM GRW+70 10 WFC3/IR MULTIAC IRSUB512 F126N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ GRW+70 11 WFC3/IR MULTIAC IRSUB512 F128N 1 none none none 1 N/A CUM GRW+70 11 WFC3/IR MULTIAC IRSUB512 F128N 2 none none none 1 N/A CUM GRW+70 12 WFC3/IR MULTIAC IRSUB512 F130N 1 none none none 1 N/A CUM GRW+70 12 WFC3/IR MULTIAC IRSUB512 F130N 2 none none none 1 N/A CUM GRW+70 13 WFC3/IR MULTIAC IRSUB512 F132N 1 none none none 1 N/A CUM GRW+70 13 WFC3/IR MULTIAC IRSUB512 F132N 2 none none none 1 N/A CUM GRW+70 14 WFC3/IR MULTIAC IRSUB512 F164N 1 none none none 1 N/A CUM GRW+70 14 WFC3/IR MULTIAC IRSUB512 F164N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 24] Visit: A3 (GD71 - repeat) Visit Requirements: BETWEEN 15-AUG-2026:00:00:00 AND 01-OCT-2026:00:00:00 On Hold Comments: Additional Comments: All filters except F128N, F132N 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 IRSUB256 F098M SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG -3, 3; PATTERN CUM S) 4 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 GD-71 WFC3/IR MULTIAC IRSUB256 F105W SAMP-SEQ=RAPID, NSAMP=10 1 DEF (8.334 POS TARG 6, 4; PATTERN 5 CUM S) 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 GD-71 WFC3/IR MULTIAC IRSUB256 F127M SAMP-SEQ=SPARS5, NSAMP=10 1 DEF POS TARG -5, 6; PATTERN CUM (42.842 S) 4 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 GD-71 WFC3/IR MULTIAC IRSUB256 F139M SAMP-SEQ=SPARS5, NSAMP=14 1 DEF POS TARG -2, 8; PATTERN CUM (61.634 S) 4 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 GD-71 WFC3/IR MULTIAC IRSUB256 F153M SAMP-SEQ=SPARS5, NSAMP=15 1 DEF POS TARG 1, 6; PATTERN 4 CUM (66.332 S) 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 GD-71 WFC3/IR MULTIAC IRSUB256 F110W SAMP-SEQ=RAPID, NSAMP=7 1 DEF (5.834 POS TARG 4, 8; PATTERN 5 CUM S) 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 GD-71 WFC3/IR MULTIAC IRSUB256 F125W SAMP-SEQ=RAPID, NSAMP=15 1 DEF POS TARG 3, 1; PATTERN 5 CUM (12.502 S) 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 GD-71 WFC3/IR MULTIAC IRSUB256 F140W SAMP-SEQ=RAPID, NSAMP=15 1 DEF (8.334 POS TARG 5, -2; PATTERN CUM S) 4 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 GD-71 WFC3/IR MULTIAC IRSUB512 F160W SAMP-SEQ=RAPID, NSAMP=12 1 DEF POS TARG -8, -5; PATTERN CUM (20.473 S) 4 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 GD-71 WFC3/IR MULTIAC IRSUB128 F126N SAMP-SEQ=SPARS5, NSAMP=10 1 DEF PATTERN 4 10-13 CUM (39.487 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 GD-71 WFC3/IR MULTIAC IRSUB128 F130N SAMP-SEQ=SPARS5, NSAMP=10 1 DEF CUM (39.487 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 GD-71 WFC3/IR MULTIAC IRSUB128 F167N SAMP-SEQ=SPARS5, NSAMP=15 1 DEF CUM (61.299 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 GD-71 WFC3/IR MULTIAC IRSUB128 F164N SAMP-SEQ=SPARS5, NSAMP=15 1 DEF CUM (61.299 S) ------------------------------------------------------------------------------------------------------------------------------------ 17961( 4) - 05-Jan-2026 19:12:04 - [ 25] 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 | ------------------------------------------------------------------------------------------------------------------------------------ GD-71 1 WFC3/IR MULTIAC IRSUB256 F098M 1 none none none 1 N/A CUM GD-71 1 WFC3/IR MULTIAC IRSUB256 F098M 2 none none none 1 N/A CUM GD-71 2 WFC3/IR MULTIAC IRSUB256 F105W 1 none none none 1 N/A CUM GD-71 2 WFC3/IR MULTIAC IRSUB256 F105W 2 none none none 1 N/A CUM GD-71 2 WFC3/IR MULTIAC IRSUB256 F105W 3 none none none 1 N/A CUM GD-71 3 WFC3/IR MULTIAC IRSUB256 F127M 1 none none none 1 N/A CUM GD-71 3 WFC3/IR MULTIAC IRSUB256 F127M 2 none none none 1 N/A CUM GD-71 4 WFC3/IR MULTIAC IRSUB256 F139M 1 none none none 1 N/A CUM GD-71 4 WFC3/IR MULTIAC IRSUB256 F139M 2 none none none 1 N/A CUM GD-71 5 WFC3/IR MULTIAC IRSUB256 F153M 1 none none none 1 N/A CUM GD-71 5 WFC3/IR MULTIAC IRSUB256 F153M 2 none none none 1 N/A CUM GD-71 6 WFC3/IR MULTIAC IRSUB256 F110W 1 none none none 1 N/A CUM GD-71 6 WFC3/IR MULTIAC IRSUB256 F110W 2 none none none 1 N/A CUM GD-71 6 WFC3/IR MULTIAC IRSUB256 F110W 3 none none none 1 N/A CUM GD-71 7 WFC3/IR MULTIAC IRSUB256 F125W 1 none none none 1 N/A CUM GD-71 7 WFC3/IR MULTIAC IRSUB256 F125W 2 none none none 1 N/A CUM GD-71 7 WFC3/IR MULTIAC IRSUB256 F125W 3 none none none 1 N/A CUM GD-71 8 WFC3/IR MULTIAC IRSUB256 F140W 1 none none none 1 N/A CUM GD-71 8 WFC3/IR MULTIAC IRSUB256 F140W 2 none none none 1 N/A CUM GD-71 9 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM GD-71 9 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 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-71 10 WFC3/IR MULTIAC IRSUB128 F126N 1 none none none 1 N/A CUM GD-71 10 WFC3/IR MULTIAC IRSUB128 F126N 2 none none none 1 N/A CUM GD-71 11 WFC3/IR MULTIAC IRSUB128 F130N 1 none none none 1 N/A CUM GD-71 11 WFC3/IR MULTIAC IRSUB128 F130N 2 none none none 1 N/A CUM GD-71 12 WFC3/IR MULTIAC IRSUB128 F167N 1 none none none 1 N/A CUM GD-71 12 WFC3/IR MULTIAC IRSUB128 F167N 2 none none none 1 N/A CUM GD-71 13 WFC3/IR MULTIAC IRSUB128 F164N 1 none none none 1 N/A CUM GD-71 13 WFC3/IR MULTIAC IRSUB128 F164N 2 none none none 1 N/A CUM 17961( 4) - 05-Jan-2026 19:12:04 - [ 27] Summary Form for Proposal 17961 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures GRISM1024, IRSUB128, IRSUB256, IRSUB512, IRSUB64 ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=1, NSAMP=10, NSAMP=11, NSAMP=12, NSAMP=13, NSAMP=14, NSAMP=15, NSAMP=6, NSAMP=7, NSAMP=8, NSAMP=9, SAMP-SEQ=RAPID, SAMP-SEQ=SPARS10, SAMP-SEQ=SPARS5 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BEFORE 01-JUL-2026:00:00:00, BETWEEN 01-JAN-2026:00:00:00 AND 15-MAR-2026:00:00:00, BETWEEN 05-NOV-2025:00:00:00 AND 15-APR-2026:00:00:00, BETWEEN 05-NOV-2025:00:00:00 AND 15-JAN-2026:00:00:00, BETWEEN 15-AUG-2026:00:00:00 AND 01-OCT-2026:00:00:00, GS ACQ SCENARIO BASE1O3, ORIENT 240D TO 260 D, PATTERN 2 1, PATTERN 2 10-13, PATTERN 2 10-14, PATTERN 2 2, PATTERN 2 3, PATTERN 2 4, PATTERN 2 5, PATTERN 2 6, PATTERN 2 7, PATTERN 2 8, PATTERN 2 9, PATTERN 3 1, PATTERN 4 1, PATTERN 4 10-13, PATTERN 4 10-15, PATTERN 4 2, PATTERN 4 3, PATTERN 4 4, PATTERN 4 5, PATTERN 4 6, PATTERN 4 7, PATTERN 4 8, PATTERN 4 9, PATTERN 5 2, PATTERN 5 6, PATTERN 5 7, POS TARG -1, -1, POS TARG -1.3, 0, POS TARG -1.5, -1.5, POS TARG -2, 8, POS TARG -20, -0, POS TARG -20, 0, POS TARG -3, -3, POS TARG -3, 2, POS TARG -3, 3, POS TARG -4, -3, POS TARG -5, -1, POS TARG -5, 6, POS TARG -6, -6, POS TARG -8, -5, POS TARG 0, 0, POS TARG 1, 1, POS TARG 1, 6, POS TARG 2, 2.5, POS TARG 2.2, 2.2, POS TARG 3, 0, POS TARG 3, 1, POS TARG 4, -4, POS TARG 4, 8, POS TARG 5, -2, POS TARG 5, 3.5, POS TARG 6, 4, POS TARG 6, 6, SEQ 16-20 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F098M, F105W, F110W, F125W, F126N, F127M, F128N, F130N, F132N, F139M, F140W, F153M, F160W, F164N, F167N, G102, G141 ------------------------------------------------------------------------------------------------------------------------------------ Target Names GD-153, GD-71, GRW+70, P330E ------------------------------------------------------------------------------------------------------------------------------------