18239( 4) - 29-May-2026 12:05:34 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18239 Version: 4 Check-in Time: 29-May-2026 12:05:34 STScI Edit Number: 0 Title Blinded by the Light: Calibrating Outshining Bias in High-z Galaxies with Low-z Starbursting Dwarfs ------------------------------------------------------------------------------------ Type Cycle GO 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Yumi Choi NOIRLab - (AZ) Y CoI: Dr. Karoline Gilbert Space Telescope Science Institute N CoI: Dr. Knut Anders Grova Olsen NOIRLab - Vera C. Rubin Operations (AZ) N CoI: Dr. Christina C Williams University of Arizona N CoI: Prof. Eric F. Bell University of Michigan N CoI: Dr. Benjamin F. Williams University of Washington N CoI: Dr. Andrew Eugene Dolphin Raytheon Company N CoI: Dr. Adam Smercina Space Telescope Science Institute N CoI: Dr. Joel Leja The Pennsylvania State University N CoI: Dr. Katherine Suess University of Colorado at Boulder N CoI: Dr. Zhiyuan Ji University of Arizona N ------------------------------------------------------------------------------------ Abstract Stellar mass is the currency of galaxy evolution: it anchors the stellar-halo relation, sets quenching thresholds, shapes the mass-metallicity relation, and underpins galaxy mass functions. Yet at high redshift, where JWST has revealed surprisingly massive galaxies at z > 6, masses from integrated SED fits remain vulnerable to systematics, including "outshining" by young bright stars, bursty SFHs, dust-age-metallicity degeneracy, and nebular emission. A precise, empirical calibration to unbiased masses is urgent and is only possible in nearby systems where JWST resolves individual stars beyond HST limits in near-IR, yielding precise measurements that are immune to outshining. We will collect deep JWST/NIRCam, HST/WFC3, and archival imaging, spanning near-UV to near-IR bands, of resolved stars in a complete sample of nearby (<4.5 Mpc) starburst dwarf galaxies suitable for our program. These panchromatic data allow us to derive high-precision SFHs from multi-band color-magnitude diagrams (CMDs). Combined with per-star SED fits, we will break key degeneracies and anchor unbiased stellar masses across a range of galaxy mass, metallicity, dust content, and star formation activity. CMD-anchored, unbiased stellar masses serve as ground truth and will be used to calibrate integrated SED fits. Using matched apertures, we will directly compare CMD-based masses to integrated SED inferences, quantify biases as functions of galaxy and SFH properties, and deliver empirical corrections, template SFHs and SEDs for bursty clumps/HII regions, and SFH priors for unresolved systems. ------------------------------------------------------------------------------------ Observations Description ------------------------ We request 16 HST orbits to image six galaxies using WFC3/UVIS in the F275W and F336W filters, and either WFC3/UVIS or ACS/WFC for F475W. Our strategy maximizes spatial overlap with archival HST and JWST data, though no explicit JWST-HST scheduling coordination is required. These observations are designed 18239( 4) - 29-May-2026 12:05:34 - [ 2] to detect intermediate B-type stars with a minimum SNR=4 in the most conservative cases. This depth is sufficient to tightly constrain the recent (<300 Myr) star formation histories (SFHs) of these systems. ------------------------------------------------------------------------------------ 18239( 4) - 29-May-2026 12:05:34 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-1569 GALAXY, STARBURST RA=04H30M47.4382S, J2000 V = 11.03 DEC=+64D50'47.08" 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 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 2 IC-4662 GALAXY, STARBURST RA=17H47M9.1920S, J2000 V = 11.1 DEC=-64D38'19.25" 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 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-4068 GALAXY, STARBURST RA=12H04M3.2650S, J2000 V = 12.75 DEC=+52D35'26.05" 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 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-242-46 GALAXY, STARBURST RA=11H33M29.1200S, J2000 V = 14.25 DEC=+49D14'17.40" 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 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 5 Z-351-62 GALAXY, STARBURST RA=11H27M59.9000S, J2000 V = 14 DEC=+78D59'39.00" 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 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 18239( 4) - 29-May-2026 12:05:34 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 6 Z-331-51 GALAXY, STARBURST RA=08H37M3.0000S, J2000 V = 14.98 DEC=+69D46'31.00" 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 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 18239( 4) - 29-May-2026 12:05:34 - [ 5] Visit: 01 (NGC1569) Visit Requirements: CVZ; ORIENT 94D TO 184 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-1569 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 300 S (300 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1569 WFC3/UVI ACCUM UVIS2 F275W FLASH=15, CR-SPLIT=NO 1 750 S (750 POS TARG 0.158, 0.070 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1569 WFC3/UVI ACCUM UVIS2 F275W FLASH=15, CR-SPLIT=NO 1 700 S (700 POS TARG 0.099, 0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1569 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 510 S (510 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1569 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 650 S (650 POS TARG 0.092, 0.098 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1569 WFC3/UVI ACCUM UVIS2 F475W FLASH=20, CR-SPLIT=NO 1 10 S (10 POS TARG 0.185, 0.197 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-1569 WFC3/UVI ACCUM UVIS2 F275W FLASH=15, CR-SPLIT=NO 1 1000 S POS TARG -0.060, 0.095 S (1000 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1569 1 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S NGC-1569 2 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S NGC-1569 3 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S NGC-1569 4 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 N/A S NGC-1569 5 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 N/A S NGC-1569 6 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 N/A S NGC-1569 7 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S 18239( 4) - 29-May-2026 12:05:34 - [ 6] Visit: 02 (IC4662) Visit Requirements: CVZ 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 IC-4662 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=10, CR-SPLIT=NO 1 350 S (350 POS TARG 0, 0 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 IC-4662 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=10, CR-SPLIT=NO 1 400 S (400 POS TARG 0.092, 0.098 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 IC-4662 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=20, CR-SPLIT=NO 1 10 S (10 POS TARG 0.185, 0.197 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 4 IC-4662 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=15, CR-SPLIT=NO 1 700 S (700 POS TARG 0, 0 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 5 IC-4662 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18, CR-SPLIT=NO 1 350 S (350 POS TARG 0, 0 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 6 IC-4662 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20, CR-SPLIT=NO 1 100 S (100 POS TARG 0.092, 0.098 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 IC-4662 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 700 S (700 POS TARG 0.092, 0.098 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 8 IC-4662 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=18, CR-SPLIT=NO 1 240 S (240 POS TARG 0.185, 0.197 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 9 IC-4662 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=15, CR-SPLIT=NO 1 700 S (700 POS TARG 0.185, 0.197 S ER 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC-4662 1 WFC3/UVI ACCUM UVIS-CEN F475W none none none none 1 N/A S TER IC-4662 2 WFC3/UVI ACCUM UVIS-CEN F475W none none none none 1 N/A S TER IC-4662 3 WFC3/UVI ACCUM UVIS-CEN F475W none none none none 1 N/A S TER IC-4662 4 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A S TER 18239( 4) - 29-May-2026 12:05:34 - [ 7] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ IC-4662 5 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER IC-4662 6 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A S TER IC-4662 7 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER IC-4662 8 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A S TER IC-4662 9 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER 18239( 4) - 29-May-2026 12:05:34 - [ 8] Visit: 03 (NGC4068) 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 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S ER see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S ER see below (392 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S ER see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S ER see below (442 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-4068 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 692.0 S S TER NGC-4068 2 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 392.0 S S TER NGC-4068 3 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 692.0 S S TER NGC-4068 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 442.0 S S TER 18239( 4) - 29-May-2026 12:05:34 - [ 9] Visit: 04 (NGC4068) Visit Requirements: SAME ORIENT AS 03 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 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S ER see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S ER see below (392 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S ER see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S ER see below (442 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-4068 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 692.0 S S TER NGC-4068 2 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 392.0 S S TER NGC-4068 3 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 692.0 S S TER NGC-4068 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 442.0 S S TER 18239( 4) - 29-May-2026 12:05:34 - [ 10] Visit: 05 (NGC4068) Visit Requirements: SAME ORIENT AS 03 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 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S ER see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S ER see below (392 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S ER see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-4068 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S ER see below (442 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-4068 1 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 692.0 S S TER NGC-4068 2 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 392.0 S S TER NGC-4068 3 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 692.0 S S TER NGC-4068 4 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 442.0 S S TER 18239( 4) - 29-May-2026 12:05:34 - [ 11] Visit: 06 (NGC4068) Visit Requirements: CVZ 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 NGC-4068 ACS/WFC ACCUM WFCENTER F475W 1 200 S (200 POS TARG 0, 0 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-4068 ACS/WFC ACCUM WFCENTER F475W 1 700 S (700 POS TARG 0.247, 0.093 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-4068 ACS/WFC ACCUM WFCENTER F475W 1 400 S (400 POS TARG 0.123, 0.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-4068 ACS/WFC ACCUM WFCENTER F475W 1 400 S (400 POS TARG -0.123, 0.139 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-4068 ACS/WFC ACCUM WFCENTER F814W 1 400 S (400 POS TARG 0, 0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-4068 ACS/WFC ACCUM WFCENTER F814W 1 800 S (800 POS TARG 0.247, 2.984 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-4068 ACS/WFC ACCUM WFCENTER F814W 1 700 S (700 POS TARG 0.494 , 5.968 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-4068 1 ACS/WFC ACCUM WFCENTER F475W none none none none 1 N/A NGC-4068 2 ACS/WFC ACCUM WFCENTER F475W none none none none 1 N/A NGC-4068 3 ACS/WFC ACCUM WFCENTER F475W none none none none 1 N/A NGC-4068 4 ACS/WFC ACCUM WFCENTER F475W none none none none 1 N/A NGC-4068 5 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A NGC-4068 6 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A NGC-4068 7 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A 18239( 4) - 29-May-2026 12:05:34 - [ 12] Visit: 07 (Z242-46) 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 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S see below (689 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S see below (389 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S see below (689 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S see below (439 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-242-46 1 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 689.0 S S Z-242-46 2 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 389.0 S S Z-242-46 3 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 689.0 S S Z-242-46 4 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 439.0 S S 18239( 4) - 29-May-2026 12:05:34 - [ 13] Visit: 08 (Z242-46) Visit Requirements: SAME ORIENT AS 07 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 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S see below (689 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S see below (389 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S see below (689 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-242-46 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S see below (439 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-242-46 1 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 689.0 S S Z-242-46 2 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 389.0 S S Z-242-46 3 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 689.0 S S Z-242-46 4 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 439.0 S S 18239( 4) - 29-May-2026 12:05:34 - [ 14] Visit: 09 (Z242-46) Visit Requirements: SAME ORIENT AS 07 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 Z-242-46 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S see below (689 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-242-46 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S see below (389 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-242-46 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S see below (689 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-242-46 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S see below (439 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-242-46 1 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 689.0 S S Z-242-46 2 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 389.0 S S Z-242-46 3 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 689.0 S S Z-242-46 4 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 439.0 S S 18239( 4) - 29-May-2026 12:05:34 - [ 15] Visit: 10 (Z242-46) Visit Requirements: SAME ORIENT AS 07 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 Z-242-46 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-242-46 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S see below (392 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-242-46 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S see below (692 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-242-46 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S see below (442 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-242-46 1 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 692.0 S S Z-242-46 2 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 392.0 S S Z-242-46 3 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 692.0 S S Z-242-46 4 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 442.0 S S 18239( 4) - 29-May-2026 12:05:34 - [ 16] Visit: 11 (Z351-62) 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 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S see below (724 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S see below (424 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S see below (724 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S see below (474 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-351-62 1 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 724.0 S S Z-351-62 2 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 424.0 S S Z-351-62 3 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 724.0 S S Z-351-62 4 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 474.0 S S 18239( 4) - 29-May-2026 12:05:34 - [ 17] Visit: 12 (Z351-62) Visit Requirements: SAME ORIENT AS 11 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 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S see below (724 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S see below (424 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S see below (724 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-351-62 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S see below (474 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-351-62 1 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 724.0 S S Z-351-62 2 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 424.0 S S Z-351-62 3 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 724.0 S S Z-351-62 4 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 474.0 S S 18239( 4) - 29-May-2026 12:05:34 - [ 18] Visit: 13 (Z351-62) Visit Requirements: SAME ORIENT AS 11 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 Z-351-62 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0, 0 S see below (724 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-351-62 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 400 S POS TARG 0.158, 0.070 S see below (424 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-351-62 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 700 S POS TARG 0.099, 0.165 S see below (724 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-351-62 WFC3/UVI ACCUM UVIS2 F336W FLASH=20, CR-SPLIT=NO 1 450 S POS TARG -0.060, 0.095 S see below (474 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-351-62 1 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 724.0 S S Z-351-62 2 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 424.0 S S Z-351-62 3 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 724.0 S S Z-351-62 4 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 474.0 S S 18239( 4) - 29-May-2026 12:05:34 - [ 19] Visit: 14 (Z351-62) 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 Z-351-62 ACS/WFC ACCUM WFC1 F814W 1 50 S POS TARG 0, 0 see below (45 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-351-62 ACS/WFC ACCUM WFC1 F814W 1 350 S POS TARG 0.099, 0.107 see below (345 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-351-62 ACS/WFC ACCUM WFC1 F475W 1 500 S POS TARG 0, 0 see below (495 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-351-62 ACS/WFC ACCUM WFC1 F475W 1 500 S POS TARG 0.115, 0.125 see below (495 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 Z-351-62 ACS/WFC ACCUM WFC1 F475W 1 500 S POS TARG 0.231, 0.249 see below (495 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-351-62 1 ACS/WFC ACCUM WFC1 F814W none none none none 1 45.0 S Z-351-62 2 ACS/WFC ACCUM WFC1 F814W none none none none 1 345.0 S Z-351-62 3 ACS/WFC ACCUM WFC1 F475W none none none none 1 495.0 S Z-351-62 4 ACS/WFC ACCUM WFC1 F475W none none none none 1 495.0 S Z-351-62 5 ACS/WFC ACCUM WFC1 F475W none none none none 1 495.0 S 18239( 4) - 29-May-2026 12:05:34 - [ 20] Visit: 15 (Z331-51) Visit Requirements: CVZ 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 Z-331-51 WFC3/UVI ACCUM UVIS2 F275W FLASH=15, CR-SPLIT=NO 1 700 S (700 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-331-51 WFC3/UVI ACCUM UVIS2 F275W FLASH=20, CR-SPLIT=NO 1 400 S (400 POS TARG 0.158, 0.070 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-331-51 WFC3/UVI ACCUM UVIS2 F275W FLASH=15, CR-SPLIT=NO 1 800 S (800 POS TARG 0.099, 0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-331-51 WFC3/UVI ACCUM UVIS2 F336W FLASH=18, CR-SPLIT=NO 1 600 S (600 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 Z-331-51 WFC3/UVI ACCUM UVIS2 F336W FLASH=18, CR-SPLIT=NO 1 200 S (200 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 Z-331-51 WFC3/UVI ACCUM UVIS2 F275W FLASH=18, CR-SPLIT=NO 1 1350 S POS TARG -0.060, 0.095 S (1350 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-331-51 1 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S Z-331-51 2 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S Z-331-51 3 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S Z-331-51 4 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 N/A S Z-331-51 5 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 N/A S Z-331-51 6 WFC3/UVI ACCUM UVIS2 F275W none none none none 1 N/A S 18239( 4) - 29-May-2026 12:05:34 - [ 21] Visit: 16 (Z331-51) Visit Requirements: CVZ; SAME ORIENT AS 15 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 Z-331-51 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 700 S (700 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 Z-331-51 WFC3/UVI ACCUM UVIS2 F475W FLASH=10, CR-SPLIT=NO 1 400 S (400 POS TARG 0.158, 0.070 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 Z-331-51 WFC3/UVI ACCUM UVIS2 F475W FLASH=5, CR-SPLIT=NO 1 800 S (800 POS TARG 0.099, 0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 4 Z-331-51 WFC3/UVI ACCUM UVIS2 F336W FLASH=18, CR-SPLIT=NO 1 800 S (800 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 Z-331-51 WFC3/UVI ACCUM UVIS2 F336W FLASH=18, CR-SPLIT=NO 1 500 S (500 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 Z-331-51 WFC3/UVI ACCUM UVIS2 F475W CR-SPLIT=NO 1 850 S (850 POS TARG -0.060, 0.095 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ Z-331-51 1 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 N/A S Z-331-51 2 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 N/A S Z-331-51 3 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 N/A S Z-331-51 4 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 N/A S Z-331-51 5 WFC3/UVI ACCUM UVIS2 F336W none none none none 1 N/A S Z-331-51 6 WFC3/UVI ACCUM UVIS2 F475W none none none none 1 N/A S 18239( 4) - 29-May-2026 12:05:34 - [ 22] Summary Form for Proposal 18239 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER, UVIS2, WFC1, WFCENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO, FLASH=10, FLASH=15, FLASH=18, FLASH=20, FLASH=5 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements CVZ, ORIENT 94D TO 184 D, POS TARG -0.060, 0.095, POS TARG -0.123, 0.139, POS TARG 0, 0, POS TARG 0.092, 0.098, POS TARG 0.099, 0.106, POS TARG 0.099, 0.107, POS TARG 0.099, 0.165, POS TARG 0.115, 0.125, POS TARG 0.123, 0.232, POS TARG 0.158, 0.070, POS TARG 0.185, 0.197, POS TARG 0.231, 0.249, POS TARG 0.247, 0.093, POS TARG 0.247, 2.984, POS TARG 0.494 , 5.968, SAME ORIENT AS 03, SAME ORIENT AS 07, SAME ORIENT AS 11, SAME ORIENT AS 15 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F275W, F336W, F475W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names IC-4662, NGC-1569, NGC-4068, Z-242-46, Z-331-51, Z-351-62 ------------------------------------------------------------------------------------------------------------------------------------