16293( 3) - 16-Jul-2020 21:35:26 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16293 Version: 3 Check-in Time: 16-Jul-2020 21:35:26 STScI Edit Number: 1 Title Near Field Cosmology with Ultra-faint Dwarfs: Patchy Reionization and Sub-Solar Initial Mass Function ------------------------------------------------------------------------------------ Type Cycle GO 28 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Yumi Choi Space Telescope Science Institute Y CoI: Dr. Gurtina Besla University of Arizona N CoI: Dr. Nitya Kallivayalil The University of Virginia N CoI: Dr. Myoungwon Jeon Kyung Hee University N CoI: Dr. David Nidever Montana State University - Bozeman N CoI: Dr. Ekta Patel University of California - Berkeley N CoI: Dr. Daniel R. Weisz University of California - Berkeley N CoI: Dr. Benjamin F. Williams University of Washington N CoI: Dr. Julianne Dalcanton University of Washington N CoI: Dr. Andrew Pace Carnegie Mellon University N CoI: Dr. Ting Li Carnegie Institution of Washington N CoI: Dr. Joshua D. Simon Carnegie Institution of Washington N CoI: Prof. Andrew Wetzel University of California - Davis N CoI: Dr. Elena Sacchi Space Telescope Science Institute N CoI: Dr. Roeland P. van der Marel Space Telescope Science Institute N CoI: Dr. Sangmo Tony Sohn Space Telescope Science Institute N CoI: Ms. Hannah Richstein The University of Virginia N CoI: Mr. Paul Zivick The University of Virginia N ------------------------------------------------------------------------------------ Abstract Observations of the ultra-faint dwarfs (UFDs), as relics of the epoch of reionization, allow us to probe the earliest epochs of star formation (SF). In particular, the UFDs in low density environments for most of their lifetimes provide unique tools to probe the effects of early environmental conditions on the SF histories (SFHs) of the UFDs and their sub-solar initial mass function (IMF) because they likely maintain the best `fossil' record of early local environments. We propose to obtain deep ACS and UVIS imaging in F606W and F814W for 2 LMC satellite UFDs that are on their first approach to our Galaxy, and thus resided in the outskirts of the Local Group at high redshift. This program is designed to identify systematic differences in the stellar populations of recently captured UFDs vs. long-term MW satellites (data available from previous programs) by using high-fidelity color-magnitude diagrams constructed from deep HST imaging as well as spectroscopically measured metallicity distribution functions. We will: (1) Establish whether SF is quenched at different times with different rate in UFDs in low density environment at early times, probing the patchiness of reionization by directly comparing with theoretical predictions; (2) Identify variations in the sub-Solar IMF across UFDs born in different environments; (3) Pave the way for a more accurate constraint on the MW halo mass. ------------------------------------------------------------------------------------ Observations Description 16293( 3) - 16-Jul-2020 21:35:26 - [ 2] ------------------------ Our basic observing strategy is to reach S/N of > 100 at the oMSTO in F606W and F814W filters in ACS/WFC, allowing us to measure the detailed ancient SFHs and to explore the sub-Solar (down to a half solar) stellar IMF. Both Carina 2 and Hydrus 1 have half-light radii greater than the ACS FOV, and thus we add an extra one pointing for Hydrus 1 and two pointings for Carina 2 with parallel observations with WFC3/UVIS to observe sufficient number of member stars in each galaxy. Each pointing is made up of 2 dithered F606W exposures, and 2 dithered F814W exposures to eliminate hot pixels and CR hits in the combined images. We need two filter data to make CMDs to measure SFHs and to separate target stars from foreground/background contaminants. Our choice of filters (F606W and F814W) is the same as previous SFH programs of MW satellites, enabling us to use stellar population templates observed in these same filters to minimize systematic errors for relative ages when comparing populations and thus facilitating direct comparison with other MW satellites from previous programs. The depth of our data will be comparable to ohter HST observations used for MW satellites' sub-solar IMF studies. ------------------------------------------------------------------------------------ 16293( 3) - 16-Jul-2020 21:35:26 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 CARINA2-1 GALAXY, DWARF RA=07H36M39.5502S, J2000 V = -4.5 +/- 0.1 SPHEROIDAL DEC=-58D00'44.15" Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 2 CARINA2-2 GALAXY, DWARF RA=07H36M24.9822S, J2000 V = -4.5 +/- 0.1 SPHEROIDAL DEC=-57D57'42.12" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 3 CARINA2-3 GALAXY, DWARF RA=07H36M13.9799S, J2000 V = -4.5 +/- 0.1 SPHEROIDAL DEC=-57D54'56.26" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 5 HYDRUS1-1 GALAXY, DWARF RA=02H30M7.7856S, J2000 V = -4.71 +/- 0.08 SPHEROIDAL DEC=-79D18'14.99" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 6 HYDRUS1-2 GALAXY, DWARF RA=02H28M56.2561S, J2000 V = -4.71 +/- 0.08 SPHEROIDAL DEC=-79D16'52.07" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 16293( 3) - 16-Jul-2020 21:35:26 - [ 4] Visit: 01 (CARINA2-1) Visit Requirements: ORIENT 0D TO 65 D; ORIENT 140D TO 245 D; ORIENT 320D TO 359.999 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 CARINA2-1 ACS/WFC ACCUM WFC F606W CR-SPLIT=NO 1 400 S POS TARG 0, 0; PAR 2 see below WITH 1 (406 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W CR-SPLIT=NO, FLASH=2 1 400 S S see below (456 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CARINA2-1 ACS/WFC ACCUM WFC F606W CR-SPLIT=NO 1 750 S POS TARG 0.247, 2.984; see below PAR 4 WITH 3 (756 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W CR-SPLIT=NO 1 750 S S see below (766 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CARINA2-1 ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 750 S POS TARG 0.247, 2.984; see below PAR 6 WITH 5 (756 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W CR-SPLIT=NO 1 750 S S see below (792 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 CARINA2-1 ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 345 S POS TARG 0, 0; PAR 8 see below WITH 7 (351 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W CR-SPLIT=NO, FLASH=13 1 345 S (345 S S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ CARINA2-1 1 ACS/WFC ACCUM WFC F606W none none none none 1 406.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 456.0 S S CARINA2-1 3 ACS/WFC ACCUM WFC F606W none none none none 1 756.0 S 16293( 3) - 16-Jul-2020 21:35:26 - [ 5] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 766.0 S S CARINA2-1 5 ACS/WFC ACCUM WFC F814W none none none none 1 756.0 S ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 792.0 S S CARINA2-1 7 ACS/WFC ACCUM WFC F814W none none none none 1 351.0 S ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S 16293( 3) - 16-Jul-2020 21:35:26 - [ 6] Visit: 02 (CARINA2-2) Visit Requirements: SAME ORIENT AS 01 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 CARINA2-2 ACS/WFC ACCUM WFC F606W CR-SPLIT=NO 1 400 S POS TARG 0, 0; PAR 2 see below WITH 1 (406 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W CR-SPLIT=NO, FLASH=2 1 400 S S see below (456 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CARINA2-2 ACS/WFC ACCUM WFC F606W CR-SPLIT=NO 1 750 S POS TARG 0.247, 2.984; see below PAR 4 WITH 3 (756 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W CR-SPLIT=NO 1 750 S S see below (766 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CARINA2-2 ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 750 S POS TARG 0.247, 2.984; see below PAR 6 WITH 5 (756 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W CR-SPLIT=NO 1 750 S S see below (792 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 CARINA2-2 ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 345 S POS TARG 0, 0; PAR 8 see below WITH 7 (351 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W CR-SPLIT=NO, FLASH=13 1 345 S (345 S S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ CARINA2-2 1 ACS/WFC ACCUM WFC F606W none none none none 1 406.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 456.0 S S CARINA2-2 3 ACS/WFC ACCUM WFC F606W none none none none 1 756.0 S 16293( 3) - 16-Jul-2020 21:35:26 - [ 7] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 766.0 S S CARINA2-2 5 ACS/WFC ACCUM WFC F814W none none none none 1 756.0 S ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 792.0 S S CARINA2-2 7 ACS/WFC ACCUM WFC F814W none none none none 1 351.0 S ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S 16293( 3) - 16-Jul-2020 21:35:26 - [ 8] Visit: 03 (CARINA2-3) Visit Requirements: SAME ORIENT AS 01 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 CARINA2-3 ACS/WFC ACCUM WFC F606W CR-SPLIT=NO 1 400 S POS TARG 0, 0; PAR 2 see below WITH 1 (406 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W CR-SPLIT=NO, FLASH=2 1 400 S S see below (456 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CARINA2-3 ACS/WFC ACCUM WFC F606W CR-SPLIT=NO 1 750 S POS TARG 0.247, 2.984; see below PAR 4 WITH 3 (756 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W CR-SPLIT=NO 1 750 S S see below (766 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CARINA2-3 ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 750 S POS TARG 0.247, 2.984; see below PAR 6 WITH 5 (756 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W CR-SPLIT=NO 1 750 S S see below (792 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 CARINA2-3 ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 345 S POS TARG 0, 0; PAR 8 see below WITH 7 (351 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W CR-SPLIT=NO, FLASH=13 1 345 S (345 S S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ CARINA2-3 1 ACS/WFC ACCUM WFC F606W none none none none 1 406.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 456.0 S S CARINA2-3 3 ACS/WFC ACCUM WFC F606W none none none none 1 756.0 S 16293( 3) - 16-Jul-2020 21:35:26 - [ 9] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 766.0 S S CARINA2-3 5 ACS/WFC ACCUM WFC F814W none none none none 1 756.0 S ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 792.0 S S CARINA2-3 7 ACS/WFC ACCUM WFC F814W none none none none 1 351.0 S ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S 16293( 3) - 16-Jul-2020 21:35:26 - [ 10] Visit: 04 (Hydrus1-1) 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 HYDRUS1-1 ACS/WFC ACCUM WFC F606W 1 303 S POS TARG 0, 0; PAR 2 see below WITH 1 (302 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W FLASH=6 1 303 S S see below (356 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 HYDRUS1-1 ACS/WFC ACCUM WFC F606W 1 800 S POS TARG 0.247, 2.984; see below PAR 4 WITH 3 (799 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 800 S (800 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 HYDRUS1-1 ACS/WFC ACCUM WFC F814W 1 800 S POS TARG 0.247, 2.984; see below PAR 6 WITH 5 (799 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 800 S S see below (841 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 HYDRUS1-1 ACS/WFC ACCUM WFC F814W 1 500 S POS TARG 0, 0; PAR 8 see below WITH 7 (499 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W FLASH=9 1 500 S (500 S S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ HYDRUS1-1 1 ACS/WFC ACCUM WFC F606W none none none none 1 302.0 S ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 356.0 S S HYDRUS1-1 3 ACS/WFC ACCUM WFC F606W none none none none 1 799.0 S ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 N/A S 16293( 3) - 16-Jul-2020 21:35:26 - [ 11] 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 | ------------------------------------------------------------------------------------------------------------------------------------ HYDRUS1-1 5 ACS/WFC ACCUM WFC F814W none none none none 1 799.0 S ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 841.0 S S HYDRUS1-1 7 ACS/WFC ACCUM WFC F814W none none none none 1 499.0 S ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S 16293( 3) - 16-Jul-2020 21:35:26 - [ 12] Visit: 05 (Hydrus1-2) Visit Requirements: SAME ORIENT AS 04 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 HYDRUS1-2 ACS/WFC ACCUM WFC F606W 1 300 S (300 POS TARG 0, 0; PAR 2 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W FLASH=9 1 300 S S see below (354 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 HYDRUS1-2 ACS/WFC ACCUM WFC F606W 1 800 S (800 POS TARG 0.247, 2.984; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 700 S S see below (810 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 HYDRUS1-2 ACS/WFC ACCUM WFC F814W 1 800 S (800 POS TARG 0.247, 2.984; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 700 S S see below (842 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 HYDRUS1-2 ACS/WFC ACCUM WFC F814W 1 499 S (499 POS TARG 0, 0; PAR 8 S) WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W FLASH=9 1 499 S (499 S S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ HYDRUS1-2 1 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 354.0 S S HYDRUS1-2 3 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 810.0 S S HYDRUS1-2 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 842.0 S S 16293( 3) - 16-Jul-2020 21:35:26 - [ 13] 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 | ------------------------------------------------------------------------------------------------------------------------------------ HYDRUS1-2 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S 16293( 3) - 16-Jul-2020 21:35:26 - [ 14] Summary Form for Proposal 16293 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS, WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO, FLASH=13, FLASH=2, FLASH=6, FLASH=9 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 0D TO 65 D, ORIENT 140D TO 245 D, ORIENT 320D TO 359.999 D, PAR 2 WITH 1, PAR 4 WITH 3, PAR 6 WITH 5, PAR 8 WITH 7, POS TARG 0, 0, POS TARG 0.247, 2.984, SAME ORIENT AS 01, SAME ORIENT AS 04 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F606W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, CARINA2-1, CARINA2-2, CARINA2-3, HYDRUS1-1, HYDRUS1-2 ------------------------------------------------------------------------------------------------------------------------------------