18062( 3) - 30-Sep-2025 12:55:58 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18062 Version: 3 Check-in Time: 30-Sep-2025 12:55:58 STScI Edit Number: 0 Title Star formation history of the lowest baryonic mass star-forming galaxy known in isolation ------------------------------------------------------------------------------------ Type Cycle GO 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Michael Gordon Jones California Institute of Technology Y CoI: Prof. David J. Sand University of Arizona Y CoI: Dr. Paul Bennet Space Telescope Science Institute N CoI: Dr. Burcin Mutlu-Pakdil Dartmouth College Y CoI: Dr. Ananthan Karunakaran University of Toronto N CoI: Dr. Kristine Spekkens Queen's University N CoI: Dr. Denija Crnojevic University of Tampa N CoI: Richard Donnerstein University of Arizona N CoI: Prof. Dennis Zaritsky University of Arizona N CoI: Prof. Jay Strader Michigan State University N CoI: Dr. Catherine Fielder University of Arizona N CoI: Dr. Deepthi S. Prabhu University of Arizona N CoI: Dr. Amandine Doliva-Dolinsky University of Surrey N CoI: Dr. Laura Congreve Hunter Dartmouth College N CoI: Donghyeon Khim University of Arizona N ------------------------------------------------------------------------------------ Abstract Pavo was recently discovered via a machine learning search of DECaLS imaging, and has the lowest baryonic mass of any star-forming galaxy known in isolation, sitting just above the mass threshold where cosmic reionization is expected to permanently quench star formation in low-mass galaxies. Very little is known about the impact of reionization on low-mass star-forming galaxies, even though it is a critical time in their lifecycle. Existing HST studies of the ancient star formation histories (SFHs) of extremely low-mass galaxies have almost all targeted quenched satellites in the Local Group (LG), but with deep observations it is possible to target the nearest extremely low mass galaxies in isolation, beyond the confounding influence of the LG environment. Pavo is one of only two galaxies known in this regime, in isolation, and close enough to reach the required depth. Deep HST imaging will sample the stellar population of Pavo down to the sub-giant branch, permitting the accurate modeling of its SFH all the way back to the epoch of reionization. These observations will also provide insight into recent episodic star formation in Pavo, which appears to currenly be in a lull, and identify RR Lyrae stars, allowing a highly accurate distance measurement. The only means to understand the impact of reionization on extremely low-mass star-forming galaxies is to observe the ancient stellar populations of isolated objects, and without observations of Pavo, our entire knowledge of this process will be extrapolated from a single object, the only other galaxy currently known in this regime (Leo P). ------------------------------------------------------------------------------------ Observations Description ------------------------ These are deep observations in F606W and F814W to resolve individual stars in 18062( 3) - 30-Sep-2025 12:55:58 - [ 2] the nearby galaxy Pavo to better understand its stellar population. The primary ACS observations target the galaxy itself, while the parallel WFC3 observations are to provide a sky background field for comparison purposes (Pavo fills most of the ACS FoV). In addition, we plan to identify RR Lyrae variable stars, which places constrains on the cadence and length of each visit, such that they are detectable in each visit and there is appropriate sampling in time. Most visits will consistent of imaging in both F606W and F814W, with one orbit per filter. However, there are later, single-orbit visits with only F814W as this filter requires a longer total integration time. We have chosen to take two ~1000 s exposures per orbit, with a small dither (we do not need to fill the chip gap). Although shorter observations would help reduce the impact of cosmic rays, we will nevertheless have many exposures to compare, and this approach minimizes the adverse timing effects of having to accommodate the primary+parallel buffer dumps. As we intend to identify variable stars in these observations we require that all of the two-orbit visits (containing both F606W and F814W imaging) be carried out within 2 days of the first visit. This will ensure that there is suitable sampling of the periodic variability of these stars. The remaining single-orbit visits are not time sensitive. Although, taking both F606W and F814W images each orbit would produce better time sampling, the required depth means that each orbit must be dedicated to a single filter. We note that we intend to primarily use F606W to identify variable stars (F814W is unlikely to achieve sufficient depht in a single orbit), however, their locations in the CMD (from all exposures combined) will be used to comfirm they are consistent with being RR Lyrae. In addition, we require that all visits have the same ORIENT as the first visit. This is to ensure that we have a maximally overlapping FoV between all observations so that the same stars can be identified in all exposures. To attempt to optimize the image quality we have implemented manual dithering using POS TARG offsets. We follow a similar strategy to GO-13376, manually implementing the UDF dither pattern, followed by duplicates of the pattern offset by 2.5 pixels in X, then Y, both positive and negative. Finally, we offset by 1.5 pixels in both X and Y together, in both positive and negative sense. We have added a mild ORIENT constraint to the first visit to ensure that the parallel WFC3 observation does not fall on an extremely bright star (M_V = 6.2). We note that this restriction has zero impact of the scheduleability of the visit. ------------------------------------------------------------------------------------ 18062( 3) - 30-Sep-2025 12:55:58 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 PAVO GALAXY, AMORPHOUS RA=19H55M0.4320S, J2000 V = 224 V = 16.4 IRREGULAR DEC=-61D04'30.86" Reference Frame: ICRS Extended: YES ------------------------------------------------------------------------------------------------------------------------------------ 18062( 3) - 30-Sep-2025 12:55:58 - [ 4] Visit: 01 Visit Requirements: ORIENT 173D TO 128 D; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H On Hold Comments: Additional Comments: We request that all subsequent visits have the same ORIENT as this first visit, and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S PAR 2 WITH 1 see below (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.148, 0.086; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 5] Visit: 02 Visit Requirements: SAME ORIENT AS 01; AFTER 01 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.222, 0.240; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.074, 0.154; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 6] Visit: 03 Visit Requirements: SAME ORIENT AS 01; AFTER 02 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.125, 0; PAR 2 see below WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.273, 0.086; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 7] Visit: 04 Visit Requirements: SAME ORIENT AS 01; AFTER 03 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.347, 0.240; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.199, 0.154; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 8] Visit: 05 Visit Requirements: SAME ORIENT AS 01; AFTER 04 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0, 0.125; PAR 2 see below WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.148, 0.211; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 9] Visit: 06 Visit Requirements: SAME ORIENT AS 01; AFTER 05 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.222, 0.365; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.074, 0.279; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 10] Visit: 07 Visit Requirements: SAME ORIENT AS 01; AFTER 06 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG -0.125, 0; PAR see below 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.023, 0.086; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 11] Visit: 08 Visit Requirements: SAME ORIENT AS 01; AFTER 07 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 D On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.097, 0.240; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG -0.051, 0.154; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 12] Visit: 09 Visit Requirements: SAME ORIENT AS 01; AFTER 08 BY 2 Orbits TO 54 H; SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 D On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit and that visits 1-9 are all completed within 54 h of the first visit, with at least one orbit between each visit. 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 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0, -0.125; PAR see below 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F606W 1 1130 S POS TARG 0.148, -0.039; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 13] Visit: 10 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.222, 0.115; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.074, 0.029; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 14] Visit: 11 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.075, 0.075; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.223, 0.161; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 15] Visit: 12 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.297, 0.315; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.149, 0.229; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 16] Visit: 13 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG -0.075, -0.075; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.073, 0.011; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 17] Visit: 14 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.147, 0.165; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG -0.001, 0.079; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 18] Visit: 15 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S PAR 2 WITH 1 see below (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.148, 0.086; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 19] Visit: 16 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S PAR 2 WITH 1 see below (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.148, 0.086; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 20] Visit: 17 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.222, 0.240; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.074, 0.154; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 21] Visit: 18 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.125, 0.; PAR see below 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.273, 0.086; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 22] Visit: 19 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.347, 0.240; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.199, 0.154; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 23] Visit: 20 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0, 0.125; PAR 2 see below WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.148, 0.211; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 24] Visit: 21 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.222, 0.365; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.074, 0.279; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 25] Visit: 22 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG -0.125, 0; PAR see below 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.023, 0.086; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 26] Visit: 23 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.097, 0.240; see below PAR 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG -0.051, 0.154; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 27] Visit: 24 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: We request that all visits have the same ORIENT as the first visit. 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 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0, -0.125; PAR see below 2 WITH 1 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1213 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 PAVO ACS/WFC ACCUM WFC1 F814W 1 1130 S POS TARG 0.148, -0.039; see below PAR 4 WITH 3 (1153 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S S see below (1163 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ PAVO 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 1213.0 S S PAVO 3 ACS/WFC ACCUM WFC1 F814W none none none none 1 1153.0 S ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 1163.0 S S 18062( 3) - 30-Sep-2025 12:55:58 - [ 28] Summary Form for Proposal 18062 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS, WFC1 ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 2 Orbits TO 54 H, AFTER 02 BY 2 Orbits TO 54 H, AFTER 03 BY 2 Orbits TO 54 H, AFTER 04 BY 2 Orbits TO 54 H, AFTER 05 BY 2 Orbits TO 54 H, AFTER 06 BY 2 Orbits TO 54 H, AFTER 07 BY 2 Orbits TO 54 H, AFTER 08 BY 2 Orbits TO 54 H, ORIENT 173D TO 128 D, PAR 2 WITH 1, PAR 4 WITH 3, POS TARG -0.001, 0.079, POS TARG -0.051, 0.154, POS TARG -0.075, -0.075, POS TARG -0.125, 0, POS TARG 0, -0.125, POS TARG 0, 0.125, POS TARG 0.023, 0.086, POS TARG 0.073, 0.011, POS TARG 0.074, 0.029, POS TARG 0.074, 0.154, POS TARG 0.074, 0.279, POS TARG 0.075, 0.075, POS TARG 0.097, 0.240, POS TARG 0.125, 0, POS TARG 0.125, 0., POS TARG 0.147, 0.165, POS TARG 0.148, -0.039, POS TARG 0.148, 0.086, POS TARG 0.148, 0.211, POS TARG 0.149, 0.229, POS TARG 0.199, 0.154, POS TARG 0.222, 0.115, POS TARG 0.222, 0.240, POS TARG 0.222, 0.365, POS TARG 0.223, 0.161, POS TARG 0.273, 0.086, POS TARG 0.297, 0.315, POS TARG 0.347, 0.240, SAME ORIENT AS 01, SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 D, SEQ 01, 02, 03, 04, 05, 06, 07, 08, 09 WITHIN 54 H ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F606W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, PAVO ------------------------------------------------------------------------------------------------------------------------------------