17424( 7) - 19-May-2025 13:03:52 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17424 Version: 7 Check-in Time: 19-May-2025 13:03:52 STScI Edit Number: 4 Title High-resolution imaging of the ionizing and non-ionizing radiation of extreme starbursts at z~2.4 ------------------------------------------------------------------------------------ Type Cycle GO 31 ------------------------------------------------------------------------------------ Investigators Contact? PI: Rui Marques-Chaves University of Geneva, Department of Y Astronomy CoI: Prof. Daniel Schaerer University of Geneva, Department of N Astronomy CoI: Prof. Anne Verhamme University of Geneva, Department of N Astronomy CoI: Dr. Eros Vanzella INAF - Osservatorio di Astrofisica e N Scienza dello Spazio CoI: Dr. Floriane Leclercq Centre de Recherche Astrophysique de Lyon N CoI: Prof. Pascal Oesch University of Geneva, Department of N Astronomy CoI: Dr. Ismael Perez-Fournon Instituto de Astrofisica de Canarias N CoI: Mr. Andrea Weibel University of Geneva, Department of N Astronomy CoI: Uros Mestric Universita di Milano N CoI: Ankur Upadhyaya University of Warwick N CoI: Dr. Fabrice Martins Universite de Montpellier N CoI: Dr. Ana PALACIOS Universite de Montpellier N CoI: Luis Colina Robledo Centro de Astrobiologia - CAB N CoI: Dr. Javier Alvarez-Marquez Centro de Astrobiologia - CAB N CoI: Mr. Jonas Guibert University of Geneva, Department of N Astronomy CoI: Dr. Alberto Saldana-Lopez Stockholm University N CoI: Dr. Miroslava Dessauges-Zavadsky University of Geneva, Department of N Astronomy CoI: Prof. John Chisholm University of Texas at Austin N ------------------------------------------------------------------------------------ Abstract We used to think that cosmic reionization was likely dominated by faint, widely-distributed galaxies until recent results have shown that UV-bright galaxies i) are among the most powerful ionizing sources known, and ii) they appear to be much more numerous than previously thought at the Epoch of Reionization (EoR). These results are enigmatic, however, may completely change our understanding of the nature of very UV-bright galaxies and the potential role these sources play in cosmic reionization. This proposal aims to probe the nature of extremely UV-bright galaxies and the mode of escape of ionizing photons. Here we request high-resolution HST imaging of a representative sample of nine very UV-bright star-forming galaxies at z=2.3-2.5, possibly analogs of EoR bright sources recently uncovered with JWST and HST. These are extremely young (<10Myr), powerful, and very efficient starbursts, showing already hint at very high Lyman continuum 17424( 7) - 19-May-2025 13:03:52 - [ 2] (LyC) escape from available high-resolution and high S/N continuum spectra covering Ly-alpha to H-alpha. WFC3/UVIS imaging will probe the ionizing (~750A) and non-ionizing (~1600A) radiation at similar spatial scales (down to ~500pc) to test the LyC escape in these exceptional sources, including very efficient modes of production and escape of ionizing photons, and provide the first high-resolution studies of their morphologies. The requested observations will thus uncover some of the most important, but still open questions raised by these UV-bright sources, including those related to their origin and nature, and their potential role in cosmic reionization. ------------------------------------------------------------------------------------ Observations Description ------------------------ This program uses two sets of filters to obtain the ionizing (LyC) and non-ionizing (UV at ~1600A) emission in nine UV-bright star-forming galaxies at z~2.3-2.4. We use a combination of WFC3/UVIS F225W+F555W and F275W+F606W, depending on the redshift of each source. LyC continuum observations (F225W or F275W) have total exposure times of 3804 sec and 6340 sec (depending on the brightness of each source), i.e., approx. 1.5 and 2.5 orbits, split in 3 and 5 individual exposures, respectively. Observations of the non-ionizing emission (F555W or F606W) have a total exposure time of 1050 sec, split into 3 individual exposures. Observations use a dither-line pattern with 3 or 5 points for cosmic ray removal. Post-flash of 3e- (F606W), 4e- (F555W), 13e- (F225W) and 14-e (F275W) are required to reach a sufficient background level. For all observations, the targets are placed at Aperture='UVIS-C1K1C-CTE'. ------------------------------------------------------------------------------------ 17424( 7) - 19-May-2025 13:03:52 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 J0006+2452 GALAXY, STARBURST RA=00H06M44.7300S, J2000 V = 20.9 DEC=+24D52'53.19" Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 2 J0046+2510 GALAXY, STARBURST RA=00H46M20.4900S, J2000 V = 21.8 DEC=+25D10'3.09" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 3 J0817+3241 GALAXY, STARBURST RA=08H17M38.7700S, J2000 V = 21.9 DEC=+32D41'8.10" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 4 J0850+1549 GALAXY, STARBURST RA=08H50M38.8600S, J2000 V = 21.4 DEC=+15D49'17.88" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 5 J0950+0523 GALAXY, STARBURST RA=09H50M28.8200S, J2000 V = 21.5 DEC=+05D23'43.80" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 6 J1220+0842 GALAXY, STARBURST RA=12H20M40.7200S, J2000 V = 20.8 DEC=+08D42'38.14" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 7 J1220-0051 GALAXY, STARBURST RA=12H20M12.6200S, J2000 V = 21.7 DEC=-00D51'3.27" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 8 J1249+1550 GALAXY, STARBURST RA=12H49M40.7600S, J2000 V = 21.7 DEC=+15D50'54.47" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 9 J1415+2036 GALAXY, STARBURST RA=14H15M41.3900S, J2000 V = 21.5 DEC=+20D36'56.36" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 17424( 7) - 19-May-2025 13:03:52 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 1.5 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 3 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 1.5 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 4 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 5 Point_Spacing 1.5 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 17424( 7) - 19-May-2025 13:03:52 - [ 5] 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 J0006+2452 WFC3/UVI ACCUM UVIS2-C1K F225W FLASH=13 1 1268 S PATTERN 1 1 S 1C-CTE see below (3651 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J0006+2452 WFC3/UVI ACCUM UVIS2-C1K F555W FLASH=7 1 350 S PATTERN 3 2 S 1C-CTE see below (1044 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 | ------------------------------------------------------------------------------------------------------------------------------------ J0006+2452 1 WFC3/UVI ACCUM UVIS2-C1 F225W 1 none none none 1 1252 S S K1C-CTE J0006+2452 1 WFC3/UVI ACCUM UVIS2-C1 F225W 2 none none none 1 1252.0 S S K1C-CTE J0006+2452 1 WFC3/UVI ACCUM UVIS2-C1 F225W 3 none none none 2 1147.0 S S K1C-CTE J0006+2452 2 WFC3/UVI ACCUM UVIS2-C1 F555W 1 none none none 2 348.0 S S K1C-CTE J0006+2452 2 WFC3/UVI ACCUM UVIS2-C1 F555W 2 none none none 2 348.0 S S K1C-CTE J0006+2452 2 WFC3/UVI ACCUM UVIS2-C1 F555W 3 none none none 2 348.0 S S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 6] Visit: 02 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 J0046+2510 WFC3/UVI ACCUM UVIS2-C1K F225W FLASH=13 1 1268 S PATTERN 4 1 S 1C-CTE see below (6143 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J0046+2510 WFC3/UVI ACCUM UVIS2-C1K F555W FLASH=7 1 350 S PATTERN 3 2 S 1C-CTE see below (1047 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 | ------------------------------------------------------------------------------------------------------------------------------------ J0046+2510 1 WFC3/UVI ACCUM UVIS2-C1 F225W 1 none none none 1 1254 S S K1C-CTE J0046+2510 1 WFC3/UVI ACCUM UVIS2-C1 F225W 2 none none none 1 1254.0 S S K1C-CTE J0046+2510 1 WFC3/UVI ACCUM UVIS2-C1 F225W 3 none none none 2 1243.0 S S K1C-CTE J0046+2510 1 WFC3/UVI ACCUM UVIS2-C1 F225W 4 none none none 2 1244.0 S S K1C-CTE J0046+2510 1 WFC3/UVI ACCUM UVIS2-C1 F225W 5 none none none 3 1148.0 S S K1C-CTE J0046+2510 2 WFC3/UVI ACCUM UVIS2-C1 F555W 1 none none none 3 349.0 S S K1C-CTE J0046+2510 2 WFC3/UVI ACCUM UVIS2-C1 F555W 2 none none none 3 349.0 S S K1C-CTE J0046+2510 2 WFC3/UVI ACCUM UVIS2-C1 F555W 3 none none none 3 349.0 S S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 7] 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 J0817+3241 WFC3/UVI ACCUM UVIS2-C1K F225W FLASH=13 1 1268 S PATTERN 4 1 S 1C-CTE see below (6137 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J0817+3241 WFC3/UVI ACCUM UVIS2-C1K F555W FLASH=7 1 350 S PATTERN 3 2 S 1C-CTE see below (1059 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 | ------------------------------------------------------------------------------------------------------------------------------------ J0817+3241 1 WFC3/UVI ACCUM UVIS2-C1 F225W 1 none none none 1 1255.0 S S K1C-CTE J0817+3241 1 WFC3/UVI ACCUM UVIS2-C1 F225W 2 none none none 1 1255.0 S S K1C-CTE J0817+3241 1 WFC3/UVI ACCUM UVIS2-C1 F225W 3 none none none 2 1245.0 S S K1C-CTE J0817+3241 1 WFC3/UVI ACCUM UVIS2-C1 F225W 4 none none none 2 1244.0 S S K1C-CTE J0817+3241 1 WFC3/UVI ACCUM UVIS2-C1 F225W 5 none none none 3 1138.0 S S K1C-CTE J0817+3241 2 WFC3/UVI ACCUM UVIS2-C1 F555W 1 none none none 3 353.0 S S K1C-CTE J0817+3241 2 WFC3/UVI ACCUM UVIS2-C1 F555W 2 none none none 3 353.0 S S K1C-CTE J0817+3241 2 WFC3/UVI ACCUM UVIS2-C1 F555W 3 none none none 3 353.0 S S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 8] 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 J0850+1549 WFC3/UVI ACCUM UVIS2-C1K F275W FLASH=14 1 1268 S PATTERN 1 1 S 1C-CTE see below (3884 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J0850+1549 WFC3/UVI ACCUM UVIS2-C1K F606W FLASH=3 1 350 S PATTERN 3 2 S 1C-CTE (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ J0850+1549 1 WFC3/UVI ACCUM UVIS2-C1 F275W 1 none none none 1 1308.0 S S K1C-CTE J0850+1549 1 WFC3/UVI ACCUM UVIS2-C1 F275W 2 none none none 1 1308.0 S S K1C-CTE J0850+1549 1 WFC3/UVI ACCUM UVIS2-C1 F275W 3 none none none 2 N/A S K1C-CTE J0850+1549 2 WFC3/UVI ACCUM UVIS2-C1 F606W 1 none none none 2 N/A S K1C-CTE J0850+1549 2 WFC3/UVI ACCUM UVIS2-C1 F606W 2 none none none 2 N/A S K1C-CTE J0850+1549 2 WFC3/UVI ACCUM UVIS2-C1 F606W 3 none none none 2 N/A S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 9] 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 J0950+0523 WFC3/UVI ACCUM UVIS2-C1K F275W FLASH=14 1 1268 S PATTERN 4 1 S 1C-CTE see below (6097 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J0950+0523 WFC3/UVI ACCUM UVIS2-C1K F606W FLASH=3 1 350 S PATTERN 3 2 S 1C-CTE (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ J0950+0523 1 WFC3/UVI ACCUM UVIS2-C1 F275W 1 none none none 1 1245 S S K1C-CTE J0950+0523 1 WFC3/UVI ACCUM UVIS2-C1 F275W 2 none none none 1 1246 S S K1C-CTE J0950+0523 1 WFC3/UVI ACCUM UVIS2-C1 F275W 3 none none none 2 1235.0 S S K1C-CTE J0950+0523 1 WFC3/UVI ACCUM UVIS2-C1 F275W 4 none none none 2 1235.0 S S K1C-CTE J0950+0523 1 WFC3/UVI ACCUM UVIS2-C1 F275W 5 none none none 3 1136.0 S S K1C-CTE J0950+0523 2 WFC3/UVI ACCUM UVIS2-C1 F606W 1 none none none 3 N/A S K1C-CTE J0950+0523 2 WFC3/UVI ACCUM UVIS2-C1 F606W 2 none none none 3 N/A S K1C-CTE J0950+0523 2 WFC3/UVI ACCUM UVIS2-C1 F606W 3 none none none 3 N/A S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 10] 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 J1220+0842 WFC3/UVI ACCUM UVIS2-C1K F275W FLASH=14 1 1268 S PATTERN 1 1 S 1C-CTE see below (3627 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J1220+0842 WFC3/UVI ACCUM UVIS2-C1K F606W FLASH=3 1 350 S PATTERN 3 2 S 1C-CTE (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ J1220+0842 1 WFC3/UVI ACCUM UVIS2-C1 F275W 1 none none none 1 1245 S S K1C-CTE J1220+0842 1 WFC3/UVI ACCUM UVIS2-C1 F275W 2 none none none 1 1246.0 S S K1C-CTE J1220+0842 1 WFC3/UVI ACCUM UVIS2-C1 F275W 3 none none none 2 1136.0 S S K1C-CTE J1220+0842 2 WFC3/UVI ACCUM UVIS2-C1 F606W 1 none none none 2 N/A S K1C-CTE J1220+0842 2 WFC3/UVI ACCUM UVIS2-C1 F606W 2 none none none 2 N/A S K1C-CTE J1220+0842 2 WFC3/UVI ACCUM UVIS2-C1 F606W 3 none none none 2 N/A S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 11] 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 J1220-0051 WFC3/UVI ACCUM UVIS2-C1K F275W FLASH=14 1 1268 S GS ACQ SCENARIO BASE1O3; S 1C-CTE see below PATTERN 4 1 (6082 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J1220-0051 WFC3/UVI ACCUM UVIS2-C1K F606W FLASH=3 1 350 S PATTERN 3 2 S 1C-CTE (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F275W 1 none none none 1 1243.0 S S K1C-CTE J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F275W 2 none none none 1 1243.0 S S K1C-CTE J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F275W 3 none none none 2 1232.0 S S K1C-CTE J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F275W 4 none none none 2 1233.0 S S K1C-CTE J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F275W 5 none none none 3 1131.0 S S K1C-CTE J1220-0051 2 WFC3/UVI ACCUM UVIS2-C1 F606W 1 none none none 3 N/A S K1C-CTE J1220-0051 2 WFC3/UVI ACCUM UVIS2-C1 F606W 2 none none none 3 N/A S K1C-CTE J1220-0051 2 WFC3/UVI ACCUM UVIS2-C1 F606W 3 none none none 3 N/A S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 12] 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 J1249+1550 WFC3/UVI ACCUM UVIS2-C1K F225W FLASH=13 1 1268 S PATTERN 4 1 S 1C-CTE see below (6119 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J1249+1550 WFC3/UVI ACCUM UVIS2-C1K F555W FLASH=7 1 350 S PATTERN 3 2 S 1C-CTE see below (1044 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 | ------------------------------------------------------------------------------------------------------------------------------------ J1249+1550 1 WFC3/UVI ACCUM UVIS2-C1 F225W 1 none none none 1 1249.0 S S K1C-CTE J1249+1550 1 WFC3/UVI ACCUM UVIS2-C1 F225W 2 none none none 1 1250.0 S S K1C-CTE J1249+1550 1 WFC3/UVI ACCUM UVIS2-C1 F225W 3 none none none 2 1239.0 S S K1C-CTE J1249+1550 1 WFC3/UVI ACCUM UVIS2-C1 F225W 4 none none none 2 1239.0 S S K1C-CTE J1249+1550 1 WFC3/UVI ACCUM UVIS2-C1 F225W 5 none none none 3 1142.0 S S K1C-CTE J1249+1550 2 WFC3/UVI ACCUM UVIS2-C1 F555W 1 none none none 3 348.0 S S K1C-CTE J1249+1550 2 WFC3/UVI ACCUM UVIS2-C1 F555W 2 none none none 3 348.0 S S K1C-CTE J1249+1550 2 WFC3/UVI ACCUM UVIS2-C1 F555W 3 none none none 3 348.0 S S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 13] 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 J1415+2036 WFC3/UVI ACCUM UVIS2-C1K F225W FLASH=13 1 1268 S PATTERN 1 1 S 1C-CTE see below (3878 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J1415+2036 WFC3/UVI ACCUM UVIS2-C1K F555W FLASH=7 1 350 S PATTERN 3 2 S 1C-CTE see below (1044 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 | ------------------------------------------------------------------------------------------------------------------------------------ J1415+2036 1 WFC3/UVI ACCUM UVIS2-C1 F225W 1 none none none 1 1306.0 S S K1C-CTE J1415+2036 1 WFC3/UVI ACCUM UVIS2-C1 F225W 2 none none none 1 1306.0 S S K1C-CTE J1415+2036 1 WFC3/UVI ACCUM UVIS2-C1 F225W 3 none none none 2 1266.0 S S K1C-CTE J1415+2036 2 WFC3/UVI ACCUM UVIS2-C1 F555W 1 none none none 2 348.0 S S K1C-CTE J1415+2036 2 WFC3/UVI ACCUM UVIS2-C1 F555W 2 none none none 2 348.0 S S K1C-CTE J1415+2036 2 WFC3/UVI ACCUM UVIS2-C1 F555W 3 none none none 2 348.0 S S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 14] Visit: 1Z (HOPR) Visit Requirements: On Hold Comments: Additional Comments: This is a HOPR for failed visit 01 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 J0006+2452 WFC3/UVI ACCUM UVIS2-C1K F225W FLASH=13 1 1268 S PATTERN 1 1 S 1C-CTE see below (3651 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 J0006+2452 WFC3/UVI ACCUM UVIS2-C1K F555W FLASH=7 1 350 S PATTERN 3 2 S 1C-CTE see below (1044 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 | ------------------------------------------------------------------------------------------------------------------------------------ J0006+2452 1 WFC3/UVI ACCUM UVIS2-C1 F225W 1 none none none 1 1252 S S K1C-CTE J0006+2452 1 WFC3/UVI ACCUM UVIS2-C1 F225W 2 none none none 1 1252.0 S S K1C-CTE J0006+2452 1 WFC3/UVI ACCUM UVIS2-C1 F225W 3 none none none 2 1147.0 S S K1C-CTE J0006+2452 2 WFC3/UVI ACCUM UVIS2-C1 F555W 1 none none none 2 348.0 S S K1C-CTE J0006+2452 2 WFC3/UVI ACCUM UVIS2-C1 F555W 2 none none none 2 348.0 S S K1C-CTE J0006+2452 2 WFC3/UVI ACCUM UVIS2-C1 F555W 3 none none none 2 348.0 S S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 15] Visit: Z7 (HOPR) Visit Requirements: On Hold Comments: Additional Comments: This is a HOPR repeat for failed visit 07 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 J1220-0051 WFC3/UVI ACCUM UVIS2-C1K F606W 1 786 S PATTERN 3 1 S 1C-CTE (2358 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 | ------------------------------------------------------------------------------------------------------------------------------------ J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F606W 1 none none none 1 N/A S K1C-CTE J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F606W 2 none none none 1 N/A S K1C-CTE J1220-0051 1 WFC3/UVI ACCUM UVIS2-C1 F606W 3 none none none 1 N/A S K1C-CTE 17424( 7) - 19-May-2025 13:03:52 - [ 16] Summary Form for Proposal 17424 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS2-C1K1C-CTE ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=13, FLASH=14, FLASH=3, FLASH=7 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements GS ACQ SCENARIO BASE1O3, PATTERN 1 1, PATTERN 3 1, PATTERN 3 2, PATTERN 4 1 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F225W, F275W, F555W, F606W ------------------------------------------------------------------------------------------------------------------------------------ Target Names J0006+2452, J0046+2510, J0817+3241, J0850+1549, J0950+0523, J1220+0842, J1220-0051, J1249+1550, J1415+2036 ------------------------------------------------------------------------------------------------------------------------------------