18052( 9) - 06-Mar-2026 16:19:03 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18052 Version: 9 Check-in Time: 06-Mar-2026 16:19:03 STScI Edit Number: 6 Title Golden Cepheids in Open Clusters; A Complete HST+Gaia Reference Sample to Optimize the Hubble Constant ------------------------------------------------------------------------------------ Type Cycle GO 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Adam Riess The Johns Hopkins University Y CoI: Dr. Stefano Casertano Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract The Hubble tension, a 5-sigma discrepancy between the measured and cosmologically predicted value of the Hubble constant (H0) is one of the most compelling developments in cosmology in decades. Having withstood scrutiny and extensive crosschecks, it now demands pursuit with maximum signal-to-noise and a clear path to future improvements. The leading H0 determination is based on photometric observations of 14 Milky Way Cepheids in open clusters whose companion stars provide the opportunity to average-down errors and provide extreme parallax precision with Gaia. These calibrate Cepheids in the hosts of 42 local SN Ia, minimizing zeropoint errors through uniform WFC3 use. The recently released Gaia DR3 has provided the opportunity to discover new open clusters and established the association (through positions and proper motions) with 10 additional "golden" Cepheids. We propose two goals to optimize the current HST-based H0 measurement while supporting JWST calibration: (1) complete the high-leverage MW Cepheid sample by observing the final 10 with WFC3, to produce a 30% reduction in the uncertainty, and (2) obtain WFC3-IR NIR grism spectrophotometry at 0.8-1.7 micron of these stars to synthesize their magnitudes in JWST filters (F090W, F115W, F150W), empirically calibrating JWST's emerging distance ladder. These data will sharpen the current Gaia-based H0 and enable future gains. This effort will lay a cornerstone for a <1% H0 determination and further our understanding of what may be a fundamental shift in the cosmological model. ------------------------------------------------------------------------------------ Observations Description ------------------------ tbd ------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 V-CE-CAS STAR, CEPHEID RA=23H58M9.3130S, J2000 V = 10.63 DEC=+61D12'49.26" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 -4.568633929859301E-4 -0.0018700000000000001 0.00031 ------------------------------------------------------------------------------------------------------------------------------------ 2 V-GM-CAS STAR, CEPHEID RA=02H26M56.6913S, J2000 V = 11.25 DEC=+60D34'17.10" 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 -1.226581857822674E-4 -3.829999741356005E-4 3.787E-4 ------------------------------------------------------------------------------------------------------------------------------------ 3 V-MN-CAM STAR, CEPHEID RA=03H57M29.7426S, J2000 V = 8.0 DEC=+54D56'17.08" 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 -3.052134298955852E-5 -6.449999318647315E-4 3.376E-4 ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 4 V-AN-AUR STAR, CEPHEID RA=04H59M41.5376S, J2000 V = 10.21 DEC=+40D50'9.73" 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 -3.76252590655093E-5 -0.001514999939900008 2.494E-4 ------------------------------------------------------------------------------------------------------------------------------------ 5 ASAS-J075345 STAR, CEPHEID RA=07H53M45.0702S, J2000 V = 11.05 -3658.2 DEC=-36D58'13.44" 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 -2.2346098948059967E-4 0.0038570000000000006 2.9780000000000003E-4 ------------------------------------------------------------------------------------------------------------------------------------ 6 V-IQ-NOR STAR, CEPHEID RA=15H12M49.5175S, J2000 V = 9.71 DEC=-54D45'18.98" 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 -1.0362693543289118E-4 -0.0018209999780083308 5.092E-4 ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 7 V-TY-SCT STAR, CEPHEID RA=18H42M7.9138S, J2000 V = 11.0 DEC=-04D17'36.53" 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 -7.394083656547184E-5 -0.0024659999098730623 3.279E-4 ------------------------------------------------------------------------------------------------------------------------------------ 8 V-CN-SCT STAR, CEPHEID RA=18H42M30.4903S, J2000 V = 8.0 DEC=-04D19'50.35" 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 -6.966557038251758E-5 -0.002255000026707421 3.592E-4 ------------------------------------------------------------------------------------------------------------------------------------ 9 V-GI-CYG STAR, CEPHEID RA=19H59M33.7108S, J2000 V = 11.69 DEC=+33D44'45.83" 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 -2.7676630298629454E-4 -0.006577000090146612 2.473E-4 ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 5] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 10 NSVS-8389949 STAR, CEPHEID RA=19H48M31.1398S, J2000 V = 12.4 +/- 0.00 DEC=+26D09'38.35" 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 -2.1398722787181526E-4 -0.005526999939320376 2.3730000000000002E-4 ------------------------------------------------------------------------------------------------------------------------------------ 11 V-BM-PER STAR, CEPHEID RA=04H29M39.3890S, J2000 V = 10.06 DEC=+48D25'19.10" 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 4.018246500567428E-6 -9.310000450568623E-4 2.8799999999999995E-4 ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 6] Visit: 01 (CE-CAS) Visit Requirements: 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 V-CE-CAS WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-CE-CAS WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-CE-CAS WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-CE-CAS WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-CE-CAS WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-CE-CAS WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-CE-CAS WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-CE-CAS WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-CE-CAS WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-CE-CAS WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 V-CE-CAS WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-CE-CAS WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-CE-CAS WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-CE-CAS WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-CE-CAS WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-CE-CAS WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-CE-CAS WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-CE-CAS WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 8] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-CE-CAS 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-CE-CAS 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-CE-CAS 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-CE-CAS 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-CE-CAS 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-CE-CAS 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-CE-CAS 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-CE-CAS 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-CE-CAS 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-CE-CAS 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-CE-CAS 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-CE-CAS 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-CE-CAS 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-CE-CAS 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-CE-CAS 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-CE-CAS 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-CE-CAS 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-CE-CAS 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 9] Visit: 02 (GM-CAS) Visit Requirements: 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 V-GM-CAS WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-GM-CAS WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-GM-CAS WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-GM-CAS WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-GM-CAS WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-GM-CAS WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-GM-CAS WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-GM-CAS WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-GM-CAS WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-GM-CAS WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 10] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 V-GM-CAS WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-GM-CAS WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-GM-CAS WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-GM-CAS WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-GM-CAS WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-GM-CAS WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-GM-CAS WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-GM-CAS WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 11] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-GM-CAS 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-GM-CAS 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-GM-CAS 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-GM-CAS 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-GM-CAS 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-GM-CAS 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-GM-CAS 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-GM-CAS 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-GM-CAS 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-GM-CAS 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-GM-CAS 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-GM-CAS 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-GM-CAS 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-GM-CAS 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-GM-CAS 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-GM-CAS 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-GM-CAS 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-GM-CAS 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 12] Visit: 03 (MN-CAM) Visit Requirements: 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 V-MN-CAM WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-MN-CAM WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-MN-CAM WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-MN-CAM WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-MN-CAM WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-MN-CAM WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-MN-CAM WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-MN-CAM WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-MN-CAM WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-MN-CAM WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 13] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 V-MN-CAM WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-MN-CAM WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-MN-CAM WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-MN-CAM WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-MN-CAM WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-MN-CAM WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-MN-CAM WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-MN-CAM WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 14] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-MN-CAM 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-MN-CAM 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-MN-CAM 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-MN-CAM 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-MN-CAM 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-MN-CAM 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-MN-CAM 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-MN-CAM 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-MN-CAM 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-MN-CAM 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-MN-CAM 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-MN-CAM 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-MN-CAM 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-MN-CAM 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-MN-CAM 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-MN-CAM 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-MN-CAM 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-MN-CAM 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 15] Visit: 04 (AN-AUR) Visit Requirements: 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 V-AN-AUR WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-AN-AUR WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-AN-AUR WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-AN-AUR WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-AN-AUR WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-AN-AUR WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-AN-AUR WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-AN-AUR WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-AN-AUR WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-AN-AUR WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 16] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 V-AN-AUR WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-AN-AUR WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-AN-AUR WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-AN-AUR WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-AN-AUR WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-AN-AUR WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-AN-AUR WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-AN-AUR WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 17] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-AN-AUR 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-AN-AUR 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-AN-AUR 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-AN-AUR 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-AN-AUR 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-AN-AUR 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-AN-AUR 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-AN-AUR 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-AN-AUR 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-AN-AUR 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-AN-AUR 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-AN-AUR 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-AN-AUR 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-AN-AUR 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-AN-AUR 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-AN-AUR 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-AN-AUR 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-AN-AUR 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 18] Visit: 05 (ASAS-J075345) Visit Requirements: ON HOLD On Hold Comments: withdrawing 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 ASAS-J07534 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 5-3658.2 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ASAS-J07534 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 5-3658.2 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ASAS-J07534 WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 5-3658.2 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ASAS-J07534 WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 5-3658.2 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 ASAS-J07534 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 5-3658.2 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ASAS-J07534 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 5-3658.2 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ASAS-J07534 WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE 5-3658.2 CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 ASAS-J07534 WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; 5-3658.2 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 ASAS-J07534 WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; 5-3658.2 CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 ASAS-J07534 WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; 5-3658.2 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 11 ASAS-J07534 WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; 5-3658.2 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 ASAS-J07534 WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; 5-3658.2 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 ASAS-J07534 WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL 5-3658.2 S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 ASAS-J07534 WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL 5-3658.2 S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 ASAS-J07534 WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL 5-3658.2 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 ASAS-J07534 WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL 5-3658.2 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 ASAS-J07534 WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL 5-3658.2 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 ASAS-J07534 WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL 5-3658.2 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 20] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ ASAS-J075345-3658.2 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM ASAS-J075345-3658.2 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM ASAS-J075345-3658.2 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM ASAS-J075345-3658.2 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM ASAS-J075345-3658.2 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM ASAS-J075345-3658.2 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM ASAS-J075345-3658.2 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM ASAS-J075345-3658.2 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM ASAS-J075345-3658.2 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM ASAS-J075345-3658.2 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM ASAS-J075345-3658.2 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM ASAS-J075345-3658.2 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM ASAS-J075345-3658.2 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB ASAS-J075345-3658.2 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB ASAS-J075345-3658.2 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB ASAS-J075345-3658.2 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB ASAS-J075345-3658.2 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB ASAS-J075345-3658.2 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 21] Visit: 06 (IQ-NOR) Visit Requirements: ON HOLD On Hold Comments: withdrawing 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 V-IQ-NOR WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-IQ-NOR WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-IQ-NOR WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-IQ-NOR WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-IQ-NOR WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-IQ-NOR WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-IQ-NOR WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-IQ-NOR WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-IQ-NOR WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-IQ-NOR WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 11 V-IQ-NOR WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-IQ-NOR WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-IQ-NOR WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-IQ-NOR WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-IQ-NOR WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-IQ-NOR WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-IQ-NOR WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-IQ-NOR WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 23] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-IQ-NOR 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-IQ-NOR 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-IQ-NOR 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-IQ-NOR 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-IQ-NOR 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-IQ-NOR 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-IQ-NOR 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-IQ-NOR 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-IQ-NOR 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-IQ-NOR 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-IQ-NOR 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-IQ-NOR 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-IQ-NOR 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-IQ-NOR 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-IQ-NOR 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-IQ-NOR 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-IQ-NOR 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-IQ-NOR 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 24] Visit: 07 (TY-SCT) Visit Requirements: 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 V-TY-SCT WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SEQ 1-12 NON-INT; SAME CUM S) GUIDE STARS 1-12 ------------------------------------------------------------------------------------------------------------------------------------ 2 V-TY-SCT WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-TY-SCT WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-TY-SCT WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=6 1 DEF POS TARG 0.32, 0.32 CUM (17.594 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-TY-SCT WFC3/IR MULTIAC IR F153M SAMP-SEQ=RAPID, NSAMP=6 1 DEF POS TARG 0.32, 0.32 CUM (17.594 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-TY-SCT WFC3/IR MULTIAC IR F153M SAMP-SEQ=RAPID, NSAMP=8 1 DEF POS TARG -5, -55; CUM (23.458 S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; NEW OBSET; EXP PCS MODE FINE; SAME OBSET 6-12 Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 7 V-TY-SCT WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 8 V-TY-SCT WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=6 1 DEF (5.118 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-TY-SCT WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 10 V-TY-SCT WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 11 V-TY-SCT WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 1.0 S (1 POS TARG 0, -0; EXP PCS S C-SUB S) MODE FINE Comments: direct image ------------------------------------------------------------------------------------------------------------------------------------ 12 V-TY-SCT WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 1.0 S (1 POS TARG 0, 0; EXP PCS S C-SUB S) MODE FINE Comments: direct image ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-TY-SCT 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-TY-SCT 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-TY-SCT 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-TY-SCT 4 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-TY-SCT 5 WFC3/IR MULTIAC IR F153M none none none none 1 N/A CUM V-TY-SCT 6 WFC3/IR MULTIAC IR F153M none none none none 1 N/A CUM V-TY-SCT 7 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-TY-SCT 8 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-TY-SCT 9 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-TY-SCT 10 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-TY-SCT 11 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-TY-SCT 12 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 26] Visit: 08 (CN-SCT) Visit Requirements: 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 V-CN-SCT WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-CN-SCT WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-CN-SCT WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-CN-SCT WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-CN-SCT WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-CN-SCT WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-CN-SCT WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-CN-SCT WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-CN-SCT WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-CN-SCT WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 27] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 V-CN-SCT WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-CN-SCT WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-CN-SCT WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-CN-SCT WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-CN-SCT WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-CN-SCT WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-CN-SCT WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-CN-SCT WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 28] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-CN-SCT 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-CN-SCT 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-CN-SCT 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-CN-SCT 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-CN-SCT 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-CN-SCT 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-CN-SCT 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-CN-SCT 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-CN-SCT 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-CN-SCT 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-CN-SCT 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-CN-SCT 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-CN-SCT 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-CN-SCT 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-CN-SCT 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-CN-SCT 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-CN-SCT 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-CN-SCT 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 29] Visit: 09 (GI-CYG) Visit Requirements: 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 V-GI-CYG WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-GI-CYG WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-GI-CYG WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-GI-CYG WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-GI-CYG WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-GI-CYG WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-GI-CYG WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-GI-CYG WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-GI-CYG WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-GI-CYG WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 30] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 V-GI-CYG WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-GI-CYG WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-GI-CYG WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-GI-CYG WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-GI-CYG WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-GI-CYG WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-GI-CYG WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-GI-CYG WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 31] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-GI-CYG 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-GI-CYG 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-GI-CYG 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-GI-CYG 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-GI-CYG 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-GI-CYG 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-GI-CYG 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-GI-CYG 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-GI-CYG 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-GI-CYG 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-GI-CYG 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-GI-CYG 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-GI-CYG 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-GI-CYG 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-GI-CYG 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-GI-CYG 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-GI-CYG 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-GI-CYG 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 32] Visit: 10 (NSVS-8389949) Visit Requirements: 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 NSVS-838994 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 9 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NSVS-838994 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 9 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NSVS-838994 WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 9 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NSVS-838994 WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 9 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NSVS-838994 WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 9 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NSVS-838994 WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 9 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NSVS-838994 WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE 9 CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 NSVS-838994 WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; 9 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 NSVS-838994 WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; 9 CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 NSVS-838994 WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; 9 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 33] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 NSVS-838994 WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; 9 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 NSVS-838994 WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; 9 CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 NSVS-838994 WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 5.0 S (5 POS TARG 10, -5; SPATIAL 9 S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 NSVS-838994 WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 5.0 S (5 POS TARG 10, -5; SPATIAL 9 S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 NSVS-838994 WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 3.5 S (3.5 POS TARG -1, -8; SPATIAL 9 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 NSVS-838994 WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 3.5 S (3.5 POS TARG -1, -5; SPATIAL 9 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 NSVS-838994 WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 3.5 S (3.5 POS TARG -1, -8; SPATIAL 9 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 NSVS-838994 WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 3.5 S (3.5 POS TARG -1, -5; SPATIAL 9 S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 34] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NSVS-8389949 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM NSVS-8389949 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM NSVS-8389949 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM NSVS-8389949 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM NSVS-8389949 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM NSVS-8389949 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM NSVS-8389949 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM NSVS-8389949 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM NSVS-8389949 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM NSVS-8389949 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM NSVS-8389949 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM NSVS-8389949 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM NSVS-8389949 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB NSVS-8389949 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB NSVS-8389949 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB NSVS-8389949 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB NSVS-8389949 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB NSVS-8389949 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 35] Visit: 11 (BM-PER) Visit Requirements: 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 V-BM-PER WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 SAME GUIDE STARS 1-18 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 V-BM-PER WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=6 1 DEF (1.667 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 3 V-BM-PER WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 4 V-BM-PER WFC3/IR MULTIAC GRISM256 F153M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 5 V-BM-PER WFC3/IR MULTIAC GRISM256 G102 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 6 V-BM-PER WFC3/IR MULTIAC GRISM256 G141 SAMP-SEQ=RAPID, NSAMP=5 1 DEF (1.389 POS TARG 0.32, 0.32 CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 7 V-BM-PER WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=5 1 DEF (4.265 NEW OBSET; EXP PCS MODE CUM S) FINE; SAME OBSET 7-18 Comments: staring mode ------------------------------------------------------------------------------------------------------------------------------------ 8 V-BM-PER WFC3/IR MULTIAC IRSUB512 F153M SAMP-SEQ=RAPID, NSAMP=9 1 DEF (7.677 POS TARG -5, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 9 V-BM-PER WFC3/IR MULTIAC IR F160W SAMP-SEQ=RAPID, NSAMP=7 1 DEF POS TARG -5, -65; CUM (20.526 S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field, reverse ------------------------------------------------------------------------------------------------------------------------------------ 10 V-BM-PER WFC3/IR MULTIAC IRSUB512 F098M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -55; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 18052( 9) - 06-Mar-2026 16:19:03 - [ 36] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 V-BM-PER WFC3/IR MULTIAC IRSUB512 F127M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -20; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Reverse; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 12 V-BM-PER WFC3/IR MULTIAC IRSUB512 F139M SAMP-SEQ=RAPID, NSAMP=8 1 DEF (6.824 POS TARG -3, -65; CUM S) SPATIAL SCAN 4.95, 90.0 Degrees, Forward; EXP PCS MODE FINE Comments: IR scan, Cepheid moves across field ------------------------------------------------------------------------------------------------------------------------------------ 13 V-BM-PER WFC3/UVI ACCUM UVIS2-2K2 F814W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 14 V-BM-PER WFC3/UVI ACCUM UVIS2-2K2 F555W FLASH=20, BLADE=A 1 2.5 S (2.5 POS TARG 10, -5; SPATIAL S C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 15 V-BM-PER WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 16 V-BM-PER WFC3/UVI ACCUM UVIS2-C1K F390W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame ------------------------------------------------------------------------------------------------------------------------------------ 17 V-BM-PER WFC3/UVI ACCUM UVIS2-C1K F475W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -8; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Reverse; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame, reverse ------------------------------------------------------------------------------------------------------------------------------------ 18 V-BM-PER WFC3/UVI ACCUM UVIS2-C1K F336W FLASH=20, BLADE=A 1 2.0 S (2 POS TARG -1, -5; SPATIAL S 1C-SUB S) SCAN 4.95, 90.05 Degrees, Forward; EXP PCS MODE FINE Comments: scan, keep Cepheid within frame 18052( 9) - 06-Mar-2026 16:19:03 - [ 37] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ V-BM-PER 1 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-BM-PER 2 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-BM-PER 3 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-BM-PER 4 WFC3/IR MULTIAC GRISM256 F153M none none none none 1 N/A CUM V-BM-PER 5 WFC3/IR MULTIAC GRISM256 G102 none none none none 1 N/A CUM V-BM-PER 6 WFC3/IR MULTIAC GRISM256 G141 none none none none 1 N/A CUM V-BM-PER 7 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-BM-PER 8 WFC3/IR MULTIAC IRSUB512 F153M none none none none 1 N/A CUM V-BM-PER 9 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM V-BM-PER 10 WFC3/IR MULTIAC IRSUB512 F098M none none none none 1 N/A CUM V-BM-PER 11 WFC3/IR MULTIAC IRSUB512 F127M none none none none 1 N/A CUM V-BM-PER 12 WFC3/IR MULTIAC IRSUB512 F139M none none none none 1 N/A CUM V-BM-PER 13 WFC3/UVI ACCUM UVIS2-2K F814W none none none none 1 N/A S 2C-SUB V-BM-PER 14 WFC3/UVI ACCUM UVIS2-2K F555W none none none none 1 N/A S 2C-SUB V-BM-PER 15 WFC3/UVI ACCUM UVIS2-C1 F438W none none none none 1 N/A S K1C-SUB V-BM-PER 16 WFC3/UVI ACCUM UVIS2-C1 F390W none none none none 1 N/A S K1C-SUB V-BM-PER 17 WFC3/UVI ACCUM UVIS2-C1 F475W none none none none 1 N/A S K1C-SUB V-BM-PER 18 WFC3/UVI ACCUM UVIS2-C1 F336W none none none none 1 N/A S K1C-SUB 18052( 9) - 06-Mar-2026 16:19:03 - [ 38] Summary Form for Proposal 18052 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures GRISM256, IR, IRSUB512, UVIS2-2K2C-SUB, UVIS2-C1K1C-SUB ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters BLADE=A, FLASH=20, NSAMP=5, NSAMP=6, NSAMP=7, NSAMP=8, NSAMP=9, SAMP-SEQ=RAPID ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements EXP PCS MODE FINE, NEW OBSET, ON HOLD , POS TARG -1, -5, POS TARG -1, -8, POS TARG -3, -20, POS TARG -3, -55, POS TARG -3, -65, POS TARG -5, -55, POS TARG -5, -65, POS TARG 0, -0, POS TARG 0, 0, POS TARG 0.32, 0.32, POS TARG 10, -5, SAME GUIDE STARS 1-12, SAME GUIDE STARS 1-18, SAME OBSET 6-12, SAME OBSET 7-18, SEQ 1-12 NON-INT, SPATIAL SCAN 4.95, 90.0 Degrees, Forward, SPATIAL SCAN 4.95, 90.0 Degrees, Reverse, SPATIAL SCAN 4.95, 90.05 Degrees, Forward, SPATIAL SCAN 4.95, 90.05 Degrees, Reverse ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F098M, F127M, F139M, F153M, F160W, F336W, F390W, F438W, F475W, F555W, F814W, G102, G141 ------------------------------------------------------------------------------------------------------------------------------------ Target Names ASAS-J075345-3658.2, NSVS-8389949, V-AN-AUR, V-BM-PER, V-CE-CAS, V-CN-SCT, V-GI-CYG, V-GM-CAS, V-IQ-NOR, V-MN-CAM, V-TY-SCT ------------------------------------------------------------------------------------------------------------------------------------