18016( 4) - 22-Oct-2025 18:53:25 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18016 Version: 4 Check-in Time: 22-Oct-2025 18:53:25 STScI Edit Number: 0 Title Revealing new regimes in terminal mass loss from massive stars with HST and NEOWISE ------------------------------------------------------------------------------------ Type Cycle GO 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Kishalay De Columbia University in the City of New Y York CoI: Geoffrey Mo California Institute of Technology N CoI: Dr. Christoffer Fremling California Institute of Technology N CoI: Dr. Jesper Sollerman Stockholm University N CoI: Dr. Kohki Uno Columbia University in the City of New N York ------------------------------------------------------------------------------------ Abstract Massive stars are known to undergo intense terminal mass loss episodes which remain poorly understood. The energetics and mass budget of this mass loss have wide implications in astrophysics ranging from chemical enrichment to Galactic-scale feedback. While mass loss in the months to decades prior to the core-collapse supernova (CCSN) has been systematically probed through optical spectroscopic interaction signatures with nearby (< 10^16 cm) dense circumstellar material (CSM), the demographics of mass lost at earlier times that produce CSM enhancements at >10^17 cm remain unknown. Not only does such distant CSM produce signatures at phases (more than thousand days after explosion) where it is very difficult to follow-up CCSNe, their very existence (as inferred from scarce X-ray, radio and optical/UV observations) challenges models of massive stellar evolution. Recently, the use of systematic search techniques on data from the NEOWISE MIR sky survey has been demonstrated to be a powerful probe of late-time CSM interaction via signatures of the heated dust that accompany these episodes. We request HST/WFC3 UVIS observations of 28 recent CCSNe from synoptic surveys that i) do not show spectroscopic signatures of interaction near peak light and ii) exhibit luminous MIR emission at > 1000 days after explosion. Unlike previous blind HST UV snapshot surveys, this curated sample offers a method to measure the mass, energetics and geometry of distant CSM in a sample of CCSNe that are confirmed to be undergoing delayed interaction. Utilizing the unique UV sensitivity and spatial resolution of HST, this program will open new frontiers in understanding massive stellar death. ------------------------------------------------------------------------------------ Observations Description ------------------------ We aim to obtain WFC3/UVIS imaging of all the objects in the F225W and F275W filters. Each source will be observed in both filters within a total of one orbit. We request 2 X 550 s exposures in each filter with WC3-UVIS-DITHER-LINE dithering to avoid cosmic ray effects and sample the PSF. Our target depth is 25.0 mag as these are expected to be very faint. ------------------------------------------------------------------------------------ 18016( 4) - 22-Oct-2025 18:53:25 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2022UDD STAR, SUPERNOVA RA=06H05M28.4218S, J2000 V = 24.0 DEC=-18D18'43.02" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023MIX STAR, SUPERNOVA RA=12H48M3.5819S, J2000 V = 24.0 DEC=-27D34'55.70" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2023JVC STAR, SUPERNOVA RA=01H56M39.7784S, J2000 V = 24.0 DEC=+43D20'19.68" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2023FDJ STAR, SUPERNOVA RA=13H56M28.8048S, J2000 V = 24.0 DEC=-36D33'52.36" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 5 SN2022XXF STAR, SUPERNOVA RA=11H30M5.9403S, J2000 V = 24.0 DEC=+09D16'57.37" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 6 SN2023BIP STAR, SUPERNOVA RA=11H59M54.6250S, J2000 V = 24.0 DEC=+26D04'8.07" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 7 SN2022YJL STAR, SUPERNOVA RA=22H17M58.3109S, J2000 V = 24.0 DEC=+10D59'43.15" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 8 SN2022VMI STAR, SUPERNOVA RA=07H46M45.2299S, J2000 V = 24.0 DEC=+23D41'48.01" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 9 SN2022YYZ STAR, SUPERNOVA RA=19H07M1.5530S, J2000 V = 24.0 DEC=+28D59'50.09" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 10 SN2022UHK STAR, SUPERNOVA RA=18H50M17.2800S, J2000 V = 24.0 DEC=+75D27'59.90" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 11 SN2022JQN STAR, SUPERNOVA RA=23H08M16.1400S, J2000 V = 24.0 DEC=+47D35'5.17" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 12 SN2022JLI STAR, SUPERNOVA RA=00H34M45.6900S, J2000 V = 24.0 DEC=-08D23'12.16" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 18016( 4) - 22-Oct-2025 18:53:25 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 13 SN2021AGHP STAR, SUPERNOVA RA=11H30M23.5024S, J2000 V = 24.0 DEC=+63D18'1.54" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 14 SN2021UED STAR, SUPERNOVA RA=23H21M41.3805S, J2000 V = 24.0 DEC=+26D29'9.60" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 15 SN2021IRP STAR, SUPERNOVA RA=05H23M27.4601S, J2000 V = 24.0 DEC=+17D04'39.86" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 16 SN2021QAR STAR, SUPERNOVA RA=23H32M53.5800S, J2000 V = 24.0 DEC=+13D21'29.38" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 17 SN2021MSA STAR, SUPERNOVA RA=10H22M55.6001S, J2000 V = 24.0 DEC=+65D12'3.13" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 18 SN2020UEM STAR, SUPERNOVA RA=08H24M23.8500S, J2000 V = 24.0 DEC=-03D29'19.10" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 19 SN2020YZQ STAR, SUPERNOVA RA=18H22M23.3599S, J2000 V = 24.0 DEC=+23D28'32.05" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 20 SN2020PJB STAR, SUPERNOVA RA=02H14M49.8964S, J2000 V = 24.0 DEC=-24D51'26.01" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 21 SN2020SVN STAR, SUPERNOVA RA=03H58M10.7100S, J2000 V = 24.0 DEC=-08D49'0.91" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 22 SN2020JFV STAR, SUPERNOVA RA=23H06M35.7499S, J2000 V = 24.0 DEC=+00D36'43.60" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 23 SN2020IZC STAR, SUPERNOVA RA=00H05M2.5099S, J2000 V = 24.0 DEC=-07D06'3.02" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 24 SN2019VXM STAR, SUPERNOVA RA=19H58M28.5401S, J2000 V = 24.0 DEC=+62D08'15.83" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 18016( 4) - 22-Oct-2025 18:53:25 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 25 SN2019OYS STAR, SUPERNOVA RA=07H07M59.2601S, J2000 V = 24.0 DEC=+31D39'55.30" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 26 SN2019IBK STAR, SUPERNOVA RA=01H46M11.1300S, J2000 V = 24.0 DEC=-16D17'4.49" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 27 SN2019BZO STAR, SUPERNOVA RA=15H55M34.4400S, J2000 V = 24.0 DEC=+26D54'54.79" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 28 SN2018KCW STAR, SUPERNOVA RA=22H16M7.9361S, J2000 V = 24.0 DEC=-36D50'56.12" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 18016( 4) - 22-Oct-2025 18:53:25 - [ 5] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.145 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 18016( 4) - 22-Oct-2025 18:53:25 - [ 6] Visit: 01 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 SN2022UDD WFC3/UVI ACCUM UVIS F225W FLASH=20 1 506 S PATTERN 1 1 S (1012 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022UDD WFC3/UVI ACCUM UVIS F275W FLASH=20 1 506 S PATTERN 1 2 S (1012 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022UDD 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022UDD 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022UDD 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022UDD 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 7] Visit: 02 Visit Requirements: ORIENT 320D TO 10 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 SN2023MIX WFC3/UVI ACCUM UVIS F225W FLASH=20 1 508 S PATTERN 1 1 S (1016 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023MIX WFC3/UVI ACCUM UVIS F275W FLASH=20 1 508 S PATTERN 1 2 S (1016 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023MIX 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2023MIX 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2023MIX 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2023MIX 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 8] Visit: 03 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 SN2023JVC WFC3/UVI ACCUM UVIS F225W FLASH=20 1 512 S PATTERN 1 1 S (1024 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023JVC WFC3/UVI ACCUM UVIS F275W FLASH=20 1 512 S PATTERN 1 2 S (1024 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023JVC 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2023JVC 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2023JVC 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2023JVC 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 9] Visit: 04 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 SN2023FDJ WFC3/UVI ACCUM UVIS F225W FLASH=20 1 510 S PATTERN 1 1 S (1020 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023FDJ WFC3/UVI ACCUM UVIS F275W FLASH=20 1 510 S PATTERN 1 2 S (1020 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023FDJ 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2023FDJ 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2023FDJ 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2023FDJ 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 10] Visit: 05 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 SN2022XXF WFC3/UVI ACCUM UVIS F225W FLASH=20 1 506 S PATTERN 1 1 S (1012 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022XXF WFC3/UVI ACCUM UVIS F275W FLASH=20 1 506 S PATTERN 1 2 S (1012 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022XXF 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022XXF 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022XXF 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022XXF 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 11] Visit: 06 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 SN2023BIP WFC3/UVI ACCUM UVIS F225W FLASH=20 1 508 S PATTERN 1 1 S (1016 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023BIP WFC3/UVI ACCUM UVIS F275W FLASH=20 1 508 S PATTERN 1 2 S (1016 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023BIP 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2023BIP 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2023BIP 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2023BIP 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 12] Visit: 07 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 SN2022YJL WFC3/UVI ACCUM UVIS F225W FLASH=20 1 505 S PATTERN 1 1 S (1010 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022YJL WFC3/UVI ACCUM UVIS F275W FLASH=20 1 505 S PATTERN 1 2 S (1010 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022YJL 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022YJL 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022YJL 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022YJL 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 13] Visit: 08 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 SN2022VMI WFC3/UVI ACCUM UVIS F225W FLASH=20 1 507 S PATTERN 1 1 S (1014 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022VMI WFC3/UVI ACCUM UVIS F275W FLASH=20 1 507 S PATTERN 1 2 S (1014 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022VMI 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022VMI 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022VMI 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022VMI 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 14] Visit: 09 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 SN2022YYZ WFC3/UVI ACCUM UVIS F225W FLASH=20 1 508 S PATTERN 1 1 S (1016 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022YYZ WFC3/UVI ACCUM UVIS F275W FLASH=20 1 508 S PATTERN 1 2 S (1016 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022YYZ 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022YYZ 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022YYZ 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022YYZ 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 15] Visit: 10 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 SN2022UHK WFC3/UVI ACCUM UVIS F225W FLASH=20 1 550 S PATTERN 1 1 S (1100 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022UHK WFC3/UVI ACCUM UVIS F275W FLASH=20 1 550 S PATTERN 1 2 S (1100 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022UHK 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022UHK 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022UHK 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022UHK 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 16] Visit: 11 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 SN2022JQN WFC3/UVI ACCUM UVIS F225W FLASH=20 1 515 S PATTERN 1 1 S (1030 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022JQN WFC3/UVI ACCUM UVIS F275W FLASH=20 1 515 S PATTERN 1 2 S (1030 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022JQN 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022JQN 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022JQN 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022JQN 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 17] Visit: 12 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 SN2022JLI WFC3/UVI ACCUM UVIS F225W FLASH=20 1 506 S PATTERN 1 1 S (1012 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2022JLI WFC3/UVI ACCUM UVIS F275W FLASH=20 1 506 S PATTERN 1 2 S (1012 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2022JLI 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2022JLI 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2022JLI 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2022JLI 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 18] Visit: 13 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 SN2021AGHP WFC3/UVI ACCUM UVIS F225W FLASH=20 1 528 S PATTERN 1 1 S (1056 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2021AGHP WFC3/UVI ACCUM UVIS F275W FLASH=20 1 528 S PATTERN 1 2 S (1056 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2021AGHP 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2021AGHP 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2021AGHP 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2021AGHP 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 19] Visit: 14 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 SN2021UED WFC3/UVI ACCUM UVIS F225W FLASH=20 1 508 S PATTERN 1 1 S (1016 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2021UED WFC3/UVI ACCUM UVIS F275W FLASH=20 1 508 S PATTERN 1 2 S (1016 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2021UED 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2021UED 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2021UED 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2021UED 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 20] Visit: 15 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 SN2021IRP WFC3/UVI ACCUM UVIS F225W FLASH=20 1 506 S PATTERN 1 1 S (1012 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2021IRP WFC3/UVI ACCUM UVIS F275W FLASH=20 1 506 S PATTERN 1 2 S (1012 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2021IRP 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2021IRP 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2021IRP 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2021IRP 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 21] Visit: 16 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 SN2021QAR WFC3/UVI ACCUM UVIS F225W FLASH=20 1 505 S PATTERN 1 1 S (1010 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2021QAR WFC3/UVI ACCUM UVIS F275W FLASH=20 1 505 S PATTERN 1 2 S (1010 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2021QAR 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2021QAR 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2021QAR 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2021QAR 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 22] Visit: 17 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 SN2021MSA WFC3/UVI ACCUM UVIS F225W FLASH=20 1 535 S PATTERN 1 1 S (1070 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2021MSA WFC3/UVI ACCUM UVIS F275W FLASH=20 1 535 S PATTERN 1 2 S (1070 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2021MSA 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2021MSA 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2021MSA 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2021MSA 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 23] Visit: 18 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 SN2020UEM WFC3/UVI ACCUM UVIS F225W FLASH=20 1 507 S PATTERN 1 1 S (1014 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2020UEM WFC3/UVI ACCUM UVIS F275W FLASH=20 1 507 S PATTERN 1 2 S (1014 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2020UEM 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2020UEM 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2020UEM 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2020UEM 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 24] Visit: 19 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 SN2020YZQ WFC3/UVI ACCUM UVIS F225W FLASH=20 1 507 S PATTERN 1 1 S (1014 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2020YZQ WFC3/UVI ACCUM UVIS F275W FLASH=20 1 507 S PATTERN 1 2 S (1014 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2020YZQ 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2020YZQ 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2020YZQ 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2020YZQ 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 25] Visit: 20 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 SN2020PJB WFC3/UVI ACCUM UVIS F225W FLASH=20 1 507 S PATTERN 1 1 S (1014 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2020PJB WFC3/UVI ACCUM UVIS F275W FLASH=20 1 507 S PATTERN 1 2 S (1014 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2020PJB 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2020PJB 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2020PJB 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2020PJB 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 26] Visit: 21 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 SN2020SVN WFC3/UVI ACCUM UVIS F225W FLASH=20 1 506 S PATTERN 1 1 S (1012 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2020SVN WFC3/UVI ACCUM UVIS F275W FLASH=20 1 506 S PATTERN 1 2 S (1012 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2020SVN 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2020SVN 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2020SVN 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2020SVN 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 27] Visit: 22 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 SN2020JFV WFC3/UVI ACCUM UVIS F225W FLASH=20 1 507 S PATTERN 1 1 S (1014 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2020JFV WFC3/UVI ACCUM UVIS F275W FLASH=20 1 507 S PATTERN 1 2 S (1014 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2020JFV 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2020JFV 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2020JFV 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2020JFV 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 28] Visit: 23 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 SN2020IZC WFC3/UVI ACCUM UVIS F225W FLASH=20 1 506 S PATTERN 1 1 S (1012 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2020IZC WFC3/UVI ACCUM UVIS F275W FLASH=20 1 506 S PATTERN 1 2 S (1012 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2020IZC 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2020IZC 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2020IZC 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2020IZC 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 29] Visit: 24 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 SN2019VXM WFC3/UVI ACCUM UVIS F225W FLASH=20 1 528 S PATTERN 1 1 S (1056 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2019VXM WFC3/UVI ACCUM UVIS F275W FLASH=20 1 528 S PATTERN 1 2 S (1056 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2019VXM 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2019VXM 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2019VXM 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2019VXM 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 30] Visit: 25 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 SN2019OYS WFC3/UVI ACCUM UVIS F225W FLASH=20 1 509 S PATTERN 1 1 S (1018 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2019OYS WFC3/UVI ACCUM UVIS F275W FLASH=20 1 509 S PATTERN 1 2 S (1018 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2019OYS 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2019OYS 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2019OYS 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2019OYS 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 31] Visit: 26 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 SN2019IBK WFC3/UVI ACCUM UVIS F225W FLASH=20 1 506 S PATTERN 1 1 S (1012 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2019IBK WFC3/UVI ACCUM UVIS F275W FLASH=20 1 506 S PATTERN 1 2 S (1012 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2019IBK 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2019IBK 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2019IBK 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2019IBK 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 32] Visit: 27 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 SN2019BZO WFC3/UVI ACCUM UVIS F225W FLASH=20 1 508 S PATTERN 1 1 S (1016 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2019BZO WFC3/UVI ACCUM UVIS F275W FLASH=20 1 508 S PATTERN 1 2 S (1016 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2019BZO 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2019BZO 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2019BZO 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2019BZO 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 33] Visit: 28 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 SN2018KCW WFC3/UVI ACCUM UVIS F225W FLASH=20 1 510 S PATTERN 1 1 S (1020 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2018KCW WFC3/UVI ACCUM UVIS F275W FLASH=20 1 510 S PATTERN 1 2 S (1020 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2018KCW 1 WFC3/UVI ACCUM UVIS F225W 1 none none none 1 N/A S SN2018KCW 1 WFC3/UVI ACCUM UVIS F225W 2 none none none 1 N/A S SN2018KCW 2 WFC3/UVI ACCUM UVIS F275W 1 none none none 1 N/A S SN2018KCW 2 WFC3/UVI ACCUM UVIS F275W 2 none none none 1 N/A S 18016( 4) - 22-Oct-2025 18:53:25 - [ 34] Summary Form for Proposal 18016 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=20 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 320D TO 10 D, PATTERN 1 1, PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F225W, F275W ------------------------------------------------------------------------------------------------------------------------------------ Target Names SN2018KCW, SN2019BZO, SN2019IBK, SN2019OYS, SN2019VXM, SN2020IZC, SN2020JFV, SN2020PJB, SN2020SVN, SN2020UEM, SN2020YZQ, SN2021AGHP, SN2021IRP, SN2021MSA, SN2021QAR, SN2021UED, SN2022JLI, SN2022JQN, SN2022UDD, SN2022UHK, SN2022VMI, SN2022XXF, SN2022YJL, SN2022YYZ, SN2023BIP, SN2023FDJ, SN2023JVC, SN2023MIX ------------------------------------------------------------------------------------------------------------------------------------