17118( 2) - 15-Jul-2022 15:06:14 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17118 Version: 2 Check-in Time: 15-Jul-2022 15:06:14 STScI Edit Number: 0 Title Taming the BEAST of N66 to resolve how star formation shapes the interstellar medium at low metallicity ------------------------------------------------------------------------------------ Type Cycle GO 30 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Claire E. Murray Space Telescope Science Institute Y CoI: Dr. Yumi Choi University of California - Berkeley N CoI: Dr. Karl D. Gordon Space Telescope Science Institute N CoI: Dr. Karin Marie Sandstrom University of California - San Diego N CoI: Dr. Benjamin F. Williams University of Washington N CoI: Dr. Julia Christine Roman-Duval Space Telescope Science Institute N CoI: Dr. Caroline Bot Universite de Strasbourg I N CoI: Dr. Karoline Gilbert Space Telescope Science Institute N CoI: Dr. Lent Clifton Johnson Northwestern University N CoI: Dr. Roger Cohen Rutgers the State University of New Jersey N CoI: Petia Yanchulova Merica-Jones Space Telescope Science Institute N CoI: Dr. Martha L. Boyer Space Telescope Science Institute N CoI: Dr. Alec S. Hirschauer Space Telescope Science Institute N CoI: Dr. Kristen B W McQuinn Rutgers the State University of New Jersey N CoI: Christina Willecke Lindberg The Johns Hopkins University N ------------------------------------------------------------------------------------ Abstract Although galaxies evolve by assembling the interstellar medium (ISM) into stars, standard gas tracers fail to account for the total ISM mass available for star formation. This is especially true at low metallicity and in strong radiation fields where dust shielding and dense molecular gas are scarce. Dust provides an independent tracer across phases, but its basic properties -- mass, grain size and extinction curve -- are poorly constrained between diverse environments. We propose to survey N66, the largest star-forming region in the low-metallicity Small Magellanic Cloud (SMC) with optical and ultraviolet imaging from Wide Field Camera 3. Along with archival imaging in the optical and IR from HST and JWST, we will constrain the intrinsic properties of resolved stars and the intervening dust independently from systematics of IR emission surveys and at 10x higher resolution. We will (1) quantify the influence of ionizing radiation fields on fundamental dust properties (2) map the ISM mass independently of emission systematics to quantify the nature of ``dark" gas at low metallicity. HST is the only observatory with the superb resolution and UV sensitivity necessary for these objectives, and N66 is the perfect laboratory for quantifying the influence of star formation activity on the structure of the ISM in the SMC, an excellent prototype for galaxies in the distant Universe. ------------------------------------------------------------------------------------ Observations Description ------------------------ In this program we plan to obtain WFC3/UVIS imaging in four bands: F225W, F275W, F336W and F475W. 17118( 2) - 15-Jul-2022 15:06:14 - [ 2] We design our pointing to replicate archival F555W and F814W observations (PIDs 10248, 13680) and to cover the extent of the ISM structure of interest (4 pointings required). For each pointing, we arrange the exposures to minimize overheads. We include multiple exposures per band in order to include dither patterns (4 exposures each in F225W, F275W and F336W, and 3 exposures in F475W). In addition, we include a short ``guard" exposure in F475W (5s) to capture bright sources. ------------------------------------------------------------------------------------ 17118( 2) - 15-Jul-2022 15:06:14 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-346-1 STELLAR CLUSTER, OB RA=00H59M17.2050S, J2000 V = 14.59 +/- 0.3 ASSOCIATION, STAR DEC=-72D09'43.94" FORMING REGION, YOUNG ASSOCIATION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-346-2 STELLAR CLUSTER, OB RA=00H59M4.5355S, J2000 V = 14.59 +/- 0.3 ASSOCIATION, STAR DEC=-72D10'31.29" FORMING REGION, YOUNG ASSOCIATION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-346-3 STELLAR CLUSTER, OB RA=00H58M41.1880S, J2000 V = 14.59 +/- 0.3 ASSOCIATION, STAR DEC=-72D12'24.84" FORMING REGION, YOUNG ASSOCIATION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-346-4 STELLAR CLUSTER, OB RA=00H58M56.4391S, J2000 V = 14.59 +/- 0.3 ASSOCIATION, STAR DEC=-72D11'54.81" FORMING REGION, YOUNG ASSOCIATION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 17118( 2) - 15-Jul-2022 15:06:14 - [ 4] 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 NGC-346-1 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 337 S (337 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-346-1 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-346-1 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-346-1 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-346-1 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-346-1 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-346-1 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-346-1 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-346-1 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 785 S (785 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-346-1 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 786 S (786 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-346-1 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 605 S (605 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-346-1 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 606 S (606 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-346-1 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-346-1 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 POS TARG 0.1719, 0.1970 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17118( 2) - 15-Jul-2022 15:06:14 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-346-1 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-346-1 WFC3/UVI ACCUM UVIS F475W FLASH=20 1 5 S (5 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-346-1 1 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-1 2 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-1 3 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-1 4 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-1 5 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-1 6 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-1 7 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-1 8 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-1 9 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-1 10 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-1 11 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-1 12 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-1 13 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-1 14 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-1 15 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-1 16 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S 17118( 2) - 15-Jul-2022 15:06:14 - [ 6] Visit: 02 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 NGC-346-2 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 337 S (337 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-346-2 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-346-2 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-346-2 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-346-2 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-346-2 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-346-2 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-346-2 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-346-2 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 785 S (785 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-346-2 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 786 S (786 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-346-2 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 605 S (605 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-346-2 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 606 S (606 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-346-2 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-346-2 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 POS TARG 0.1719, 0.1970 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17118( 2) - 15-Jul-2022 15:06:14 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-346-2 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-346-2 WFC3/UVI ACCUM UVIS F475W FLASH=20 1 5 S (5 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-346-2 1 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-2 2 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-2 3 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-2 4 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-2 5 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-2 6 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-2 7 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-2 8 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-2 9 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-2 10 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-2 11 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-2 12 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-2 13 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-2 14 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-2 15 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-2 16 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S 17118( 2) - 15-Jul-2022 15:06:14 - [ 8] Visit: 03 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 NGC-346-3 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 337 S (337 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-346-3 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-346-3 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-346-3 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-346-3 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-346-3 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-346-3 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-346-3 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-346-3 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 785 S (785 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-346-3 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 786 S (786 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-346-3 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 605 S (605 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-346-3 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 606 S (606 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-346-3 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-346-3 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 POS TARG 0.1719, 0.1970 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17118( 2) - 15-Jul-2022 15:06:14 - [ 9] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-346-3 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-346-3 WFC3/UVI ACCUM UVIS F475W FLASH=20 1 5 S (5 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-346-3 1 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-3 2 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-3 3 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-3 4 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-3 5 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-3 6 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-3 7 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-3 8 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-3 9 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-3 10 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-3 11 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-3 12 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-3 13 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-3 14 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-3 15 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-3 16 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S 17118( 2) - 15-Jul-2022 15:06:14 - [ 10] Visit: 04 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 NGC-346-4 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 337 S (337 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-346-4 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-346-4 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-346-4 WFC3/UVI ACCUM UVIS F336W FLASH=19 1 348 S (348 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-346-4 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-346-4 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 520 S (520 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-346-4 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-346-4 WFC3/UVI ACCUM UVIS F275W FLASH=19 1 560 S (560 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-346-4 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 785 S (785 POS TARG 0, 0 S S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-346-4 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 786 S (786 POS TARG 0.1785, 0.1908 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-346-4 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 605 S (605 POS TARG 0.3173, 0.3591 S S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-346-4 WFC3/UVI ACCUM UVIS F225W FLASH=19 1 606 S (606 POS TARG 0.4958, 0.5101 S S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-346-4 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-346-4 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 POS TARG 0.1719, 0.1970 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17118( 2) - 15-Jul-2022 15:06:14 - [ 11] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-346-4 WFC3/UVI ACCUM UVIS F475W FLASH=10 1 400 S (400 S S) ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-346-4 WFC3/UVI ACCUM UVIS F475W FLASH=20 1 5 S (5 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-346-4 1 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-4 2 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-4 3 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-4 4 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S NGC-346-4 5 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-4 6 WFC3/UVI ACCUM UVIS F275W none none none none 1 N/A S NGC-346-4 7 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-4 8 WFC3/UVI ACCUM UVIS F275W none none none none 2 N/A S NGC-346-4 9 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-4 10 WFC3/UVI ACCUM UVIS F225W none none none none 2 N/A S NGC-346-4 11 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-4 12 WFC3/UVI ACCUM UVIS F225W none none none none 3 N/A S NGC-346-4 13 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-4 14 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-4 15 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S NGC-346-4 16 WFC3/UVI ACCUM UVIS F475W none none none none 3 N/A S 17118( 2) - 15-Jul-2022 15:06:14 - [ 12] Summary Form for Proposal 17118 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=10, FLASH=19, FLASH=20 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements POS TARG 0, 0, POS TARG 0.1719, 0.1970, POS TARG 0.1785, 0.1908, POS TARG 0.3173, 0.3591, POS TARG 0.4958, 0.5101, SAME ORIENT AS 01 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F225W, F275W, F336W, F475W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC-346-1, NGC-346-2, NGC-346-3, NGC-346-4 ------------------------------------------------------------------------------------------------------------------------------------