16104( 3) - 15-Mar-2021 20:06:18 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16104 Version: 3 Check-in Time: 15-Mar-2021 20:06:18 STScI Edit Number: 0 Title ULLYSES UV Pre-imaging of Sextans A and NGC 3109 Targets ------------------------------------------------------------------------------------ Type Cycle GO/DD 27 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Julia Christine Roman-Duval Space Telescope Science Institute Y CoI: Dr. Kenneth Sembach Space Telescope Science Institute N CoI: Dr. Charles R. Proffitt Space Telescope Science Institute Y CoI: Joanna Taylor Space Telescope Science Institute N CoI: Dr. TalaWanda R. Monroe Space Telescope Science Institute Y CoI: Dr. William J. Fischer Space Telescope Science Institute N CoI: Dr. Alexander W. Fullerton Space Telescope Science Institute N CoI: Dr. Alessandra Aloisi Space Telescope Science Institute Y CoI: Christopher Britt Space Telescope Science Institute N CoI: Dr. Thomas M. Brown Space Telescope Science Institute N CoI: Ivo Busko Space Telescope Science Institute N CoI: Dr. Joleen Carlberg Space Telescope Science Institute N CoI: Dr. Gisella De Rosa Space Telescope Science Institute N CoI: Travis Fischer Space Telescope Science Institute N CoI: Elaine M Frazer Space Telescope Science Institute N CoI: Dr. Bethan Lesley James Space Telescope Science Institute - ESA N CoI: Robert Jedrzejewski Space Telescope Science Institute N CoI: Sean Lockwood Space Telescope Science Institute N CoI: Dr. Cristina Oliveira Space Telescope Science Institute N CoI: Rachel Plesha Space Telescope Science Institute N CoI: Dr. I. Neill Reid Space Telescope Science Institute N CoI: Dr. Adric R. Riedel Space Telescope Science Institute N CoI: Allyssa Riley Space Telescope Science Institute N CoI: Dr. David J. Sahnow Space Telescope Science Institute N CoI: Dr. Ravi Sankrit Space Telescope Science Institute N CoI: Dr. Richard Shaw Space Telescope Science Institute N CoI: Dr. Linda J. Smith Space Telescope Science Institute - ESA N CoI: Dr. Sangmo Tony Sohn Space Telescope Science Institute Y CoI: Dr. Leonardo Ubeda Space Telescope Science Institute N CoI: Dr. Daniel E. Welty Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract The Space Telescope Science Institute (STScI) Director has decided to devote up to 1000 orbits of Director's Discretionary time in observing Cycles 27-29 to a new Hubble Ultraviolet Legacy program focused on star formation and associated stellar physics. This new program, ULLYSES (UV Legacy Library of Young Stars as Essential Standards), will provide a UV spectroscopic reference sample of young (< 10 Myr) high- and low-mass stars. It will target over ~150 OB stars in the Magellanic Clouds and lower metallicity galaxies in the Local Group, and ~40 T Tauri stars and brown dwarfs in the Milky Way. In addition, ULLYSES will monitor 4 typical T Tauri stars over different rotational phases through at least three rotation periods, and over timescales of months to years. The resulting library will provide template spectra 16104( 3) - 15-Mar-2021 20:06:18 - [ 2] of massive stars at metallicities substantially below the well studied, while the low mass sample will cover a wide range of ages, accretion rates, and masses, including objects down to well below 0.5 M_sun. The legacy of this large UV dataset on the first 10 Myr of stellar evolution will be enhanced by complementary datasets obtained by the scientific community. In addition to the core goals of the program related to stellar astrophysics of low and high mass stars, this data will also enable exciting science in the fields of ISM, CGM, jets, and exoplanets. ULLYSES will be modeled after the Frontier Fields program: all data obtained will be non-proprietary. The implementation team at STScI is developing high-level science data products and a sophisticated database and website for disseminating data from the ULLYSES program and ancillary datasets for the ULLYSES target sample from space and ground-based facilities. This specific program is performing WFC3/UVIS pre-imaging of two low-metallicity galaxies, Sextans A and NGC 3109, where 6 of the ULLYSES targets are located. This pre-imaging in several broadband WFC3/UVIS filters will be used to better constrain the reddening towards the ULLYSES targets and more precisely estimate the exposure times for the follow-up UV spectroscopic observations. ------------------------------------------------------------------------------------ Observations Description ------------------------ This proposal includes pre-imaging of a subset of the massive ULLYSES stars being observed in the low-metallicity nearby galaxies NGC 3109 and Sextans A. The two galaxies will be imaged in 5 filters of WFC3 covering the NUV-NIR. This will allow us to derive stellar photometric catalogs, accurate brightness of the ULLYSES targets in the bluest filter used (F225W) covering the FUV wavelength range and ultimately dust extinction towards the targets. The actual sources for which follow-on ULLYSES spectrocopy is intended are included as unused targets to allow their locations to be easily visulized. Observations in each filters will be taken with a 2-point dither pattern to cover the chip gap, mitigate hot/bad pixels, and better sample the point-spread function for more accurate photometry in crowded fields. Due to the distribution of the ULLYSES stars in NGC 3109, this galaxy will be observed with a mosaic of two pointings. Additional details about the scientific motivation and technical implementation strategy of the ULLYSES observations can be found at http://www.stsci.edu/stsci-research/research-topics-and-programs/ullyses. The ULLYSES program is based on the recommendations of a working group led by Sally Oey; the full text of that group's report can be found at http://www.stsci.edu/files/live/sites/www/files/home/stsci-research/research-to pics-and-programs/ullyses/_documents/HSTUV-report-ULLYSES.pdf. ------------------------------------------------------------------------------------ 16104( 3) - 15-Mar-2021 20:06:18 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-3109-V01 GALAXY, MAGELLANIC RA=10H03M13.3238S, J2000 V = 10.5 +/- 0.2 IRREGULAR, STAR FORMING DEC=-26D09'57.30" REGION Reference Frame: Other: NED Comments: tstatus; NGC-3109-V01; P/WFC3 Approved for Submission; S/N/A not started; P/AA 20/07/20; S/xx DD/MM/YY V magnitude was retrieved from the HyperLeda database at: http://leda.univ-lyon1.fr/ledacat.cgi?PGC+029128+++++++++++ +++++++++ This field contains target NGC3109-E34 (RA = 10h03m14.24s, DEC = -26d09m16.96s) E34 is an O8I(f) with V = 19.61 and E(B-V) = 0.1 Target information is from Evans+2007 (2007ApJ...659.1198E) ------------------------------------------------------------------------------------------------------------------------------------ 100 NGC-3109-V02 GALAXY, MAGELLANIC RA=10H03M0.1838S, J2000 V = 10.5 +/- 0.2 IRREGULAR, STAR FORMING DEC=-26D08'55.60" REGION Reference Frame: Other: NED Comments: tstatus; NGC-3109-V02; P/WFC3 Approved for Submission; S/N/A not started; P/AA 20/07/20; S/xx DD/MM/YY V magnitude was retrieved from the HyperLeda database at: http://leda.univ-lyon1.fr/ledacat.cgi?PGC+029128+++++++++++ +++++++++ This field contains targets: +++NGC3109-E07 (RA = 10h02m54.69s, DEC = -26d08m59.64s) E07 is a B0-1 Ia with V = 18.69 and E(B-V) = 0.09 +++NGC3109-E20 (RA = 10h03m03.22s, DEC = -26d09m21.41s) E20 is an O8I with V = 19.33 and E(B-V) = 0.17 Target information is from Evans+2007 (2007ApJ...659.1198E) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-3109-7 EXT-STAR, B0-B2 III-I RA=10H02M54.6900S, J2000 V = 18.69 +/- 0.1 DEC=-26D08'59.64" Reference Frame: Other: SIMBAD Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-3109-20 EXT-STAR, SUPERGIANT O RA=10H03M3.2200S, J2000 V = 19.33 +/- 0.1 DEC=-26D09'21.41" Reference Frame: Other: SIMBAD Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 16104( 3) - 15-Mar-2021 20:06:18 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-3109-34 EXT-STAR, SUPERGIANT O RA=10H03M14.2400S, J2000 V = 19.61 +/- 0.1 DEC=-26D09'16.96" Reference Frame: Other: SIMBAD Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 2 SEXTANS-A GALAXY, AMORPHOUS RA=10H11M2.4256S, J2000 V = 11.8 +/- 0.2 IRREGULAR, STAR FORMING DEC=-04D42'46.35" REGION Reference Frame: Other: NED Comments: tstatus; NGC-SEXTANS-A; P/WFC3 Approved for Submission; S/N/A not started; P/AA 20/07/20; S/xx DD/MM/YY V magnitude was retrieved from the HyperLeda database at: http://leda.univ-lyon1.fr/ledacat.cgi?PGC+029653+++++++++++ +++++++++ This field contains all 3 Sextans A targets: +++ s2 (RA = 10h10m58.59s, DEC = -04d43m28.9s), O3-5 V, V = 20.8, E(B-V) = 0.22 +++ s4 (RA = 10h10m57.89s, DEC = -04d43m10.2s), O6z, V = 20.9, E(B-V) = 0.05 +++ s8 (RA = 10h11m05.69s, DEC = -04d42m13.6s), B0 I, V = 19.7, E(B-V) = 0.07 s2 and s4 are from Garcia+2019 (2019MNRAS.484..422G). s8 is from SAC member Garcia (priv. com, in prep). ------------------------------------------------------------------------------------------------------------------------------------ 21 SEXTANS-A-S2 EXT-STAR, MAIN SEQUENCE RA=10H10M58.5900S, J2000 V = 20.8 +/- 0.1 O DEC=-04D43'28.90" Reference Frame: Other: SIMBAD Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 22 SEXTANS-A-S4 EXT-STAR, MAIN SEQUENCE RA=10H10M57.8900S, J2000 V = 20.9 +/- 0.1 O DEC=-04D43'10.20" Reference Frame: Other: SIMBAD Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 23 SEXTANS-A-S8 EXT-STAR, B0-B2 III-I RA=10H11M5.6900S, J2000 V = 19.7 +/- 0.1 DEC=-04D42'13.60" Reference Frame: Other: SIMBAD Extended: NO Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 16104( 3) - 15-Mar-2021 20:06:18 - [ 5] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-GAP-LINE Pattern_Purpose MOSAIC Number_Of_Points 2 Point_Spacing 2.414 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 85.759 Angle_Between_Sides Center_Pattern YES ------------------------------------------------------------------------------------------------------------------------------------ 16104( 3) - 15-Mar-2021 20:06:18 - [ 6] Visit: 01 (NGC 3109) Visit Requirements: ORIENT 270D TO 275 D On Hold Comments: Additional Comments: vstatus; 01; NGC-3109-V01; P/WFC3 Approved for Submission; P/AA 20/07/20 ; intrev: Complete ; P/TS 08/13/20 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-3109-V0 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=17.0 1 120 S (240 POS TARG 0.0, 0.0; 1 S ER S) PATTERN 1 1-5 Comments: ETCs for all 3 targets: WFC3UVIS.im.1456487 WFC3UVIS.im.1456492 WFC3UVIS.im.1456497 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=19.0 1 680 S POS TARG 0.0, 0.0 1 S ER (1360 S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456484 WFC3UVIS.im.1456489 WFC3UVIS.im.1456494 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=17.0 1 160 S (320 POS TARG 0.0, 0.0 1 S ER S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456486 WFC3UVIS.im.1456491 WFC3UVIS.im.1456496 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=19.0 1 680 S POS TARG 0.0, 0.0 1 S ER (1360 S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456483 WFC3UVIS.im.1456488 WFC3UVIS.im.1456493 ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=19.0 1 460 S (920 POS TARG 0.0, 0.0 1 S ER S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456485 WFC3UVIS.im.1456490 WFC3UVIS.im.1456495 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16104( 3) - 15-Mar-2021 20:06:18 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3109-V01 1 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER NGC-3109-V01 1 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER NGC-3109-V01 2 WFC3/UVI ACCUM UVIS-CEN F275W 1 none none none 1 N/A S TER NGC-3109-V01 2 WFC3/UVI ACCUM UVIS-CEN F275W 2 none none none 2 N/A S TER NGC-3109-V01 3 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER NGC-3109-V01 3 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER NGC-3109-V01 4 WFC3/UVI ACCUM UVIS-CEN F225W 1 none none none 1 N/A S TER NGC-3109-V01 4 WFC3/UVI ACCUM UVIS-CEN F225W 2 none none none 2 N/A S TER NGC-3109-V01 5 WFC3/UVI ACCUM UVIS-CEN F336W 1 none none none 1 N/A S TER NGC-3109-V01 5 WFC3/UVI ACCUM UVIS-CEN F336W 2 none none none 2 N/A S TER 16104( 3) - 15-Mar-2021 20:06:18 - [ 8] Visit: 02 (NGC 3109) Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: vstatus; 02; NGC-3109-V02; P/WFC3 Approved for Submission; P/AA 20/07/20 ; intrev: Complete ; P/TS 08/13/20 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-3109-V0 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=17.0 1 120 S (240 POS TARG 0.0, 0.0; 2 S ER S) PATTERN 1 1-5 Comments: ETCs for all 3 targets: WFC3UVIS.im.1456487 WFC3UVIS.im.1456492 WFC3UVIS.im.1456497 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=19.0 1 680 S POS TARG 0.0, 0.0 2 S ER (1360 S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456484 WFC3UVIS.im.1456489 WFC3UVIS.im.1456494 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=17.0 1 160 S (320 POS TARG 0.0, 0.0 2 S ER S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456486 WFC3UVIS.im.1456491 WFC3UVIS.im.1456496 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=19.0 1 680 S POS TARG 0.0, 0.0 2 S ER (1360 S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456483 WFC3UVIS.im.1456488 WFC3UVIS.im.1456493 ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-3109-V0 WFC3/UVI ACCUM UVIS-CENT F336W FLASH=19.0 1 460 S (920 POS TARG 0.0, 0.0 2 S ER S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456485 WFC3UVIS.im.1456490 WFC3UVIS.im.1456495 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16104( 3) - 15-Mar-2021 20:06:18 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3109-V02 1 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER NGC-3109-V02 1 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER NGC-3109-V02 2 WFC3/UVI ACCUM UVIS-CEN F275W 1 none none none 1 N/A S TER NGC-3109-V02 2 WFC3/UVI ACCUM UVIS-CEN F275W 2 none none none 2 N/A S TER NGC-3109-V02 3 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER NGC-3109-V02 3 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER NGC-3109-V02 4 WFC3/UVI ACCUM UVIS-CEN F225W 1 none none none 1 N/A S TER NGC-3109-V02 4 WFC3/UVI ACCUM UVIS-CEN F225W 2 none none none 2 N/A S TER NGC-3109-V02 5 WFC3/UVI ACCUM UVIS-CEN F336W 1 none none none 1 N/A S TER NGC-3109-V02 5 WFC3/UVI ACCUM UVIS-CEN F336W 2 none none none 2 N/A S TER 16104( 3) - 15-Mar-2021 20:06:18 - [ 10] Visit: 03 (Sextans A) Visit Requirements: ORIENT 320D TO 60 D; ORIENT 140D TO 240 D On Hold Comments: Additional Comments: vstatus; 02; SEXTANS-A; P/WFC3 not started; P/AA 20/07/20 ; intrev: Complete ; P/TS 08/13/20 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 SEXTANS-A WFC3/UVI ACCUM UVIS-CENT F814W FLASH=17.0 1 120 S (240 PATTERN 1 1-5 S ER S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456471 WFC3UVIS.im.1456476 WFC3UVIS.im.1456482 ------------------------------------------------------------------------------------------------------------------------------------ 2 SEXTANS-A WFC3/UVI ACCUM UVIS-CENT F275W FLASH=19.0 1 680 S S ER (1360 S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456464 WFC3UVIS.im.1456473 WFC3UVIS.im.1456478 ------------------------------------------------------------------------------------------------------------------------------------ 3 SEXTANS-A WFC3/UVI ACCUM UVIS-CENT F475W FLASH=17.0 1 160 S (320 S ER S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456470 WFC3UVIS.im.1456475 WFC3UVIS.im.1456481 ------------------------------------------------------------------------------------------------------------------------------------ 4 SEXTANS-A WFC3/UVI ACCUM UVIS-CENT F225W FLASH=19.0 1 680 S S ER (1360 S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456463 WFC3UVIS.im.1456472 WFC3UVIS.im.1456477 ------------------------------------------------------------------------------------------------------------------------------------ 5 SEXTANS-A WFC3/UVI ACCUM UVIS-CENT F336W FLASH=19.0 1 451 S (902 S ER S) Comments: ETCs for all 3 targets: WFC3UVIS.im.1456467 WFC3UVIS.im.1456474 WFC3UVIS.im.1456479 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16104( 3) - 15-Mar-2021 20:06:18 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SEXTANS-A 1 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER SEXTANS-A 1 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER SEXTANS-A 2 WFC3/UVI ACCUM UVIS-CEN F275W 1 none none none 1 N/A S TER SEXTANS-A 2 WFC3/UVI ACCUM UVIS-CEN F275W 2 none none none 2 N/A S TER SEXTANS-A 3 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER SEXTANS-A 3 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER SEXTANS-A 4 WFC3/UVI ACCUM UVIS-CEN F225W 1 none none none 1 N/A S TER SEXTANS-A 4 WFC3/UVI ACCUM UVIS-CEN F225W 2 none none none 2 N/A S TER SEXTANS-A 5 WFC3/UVI ACCUM UVIS-CEN F336W 1 none none none 1 N/A S TER SEXTANS-A 5 WFC3/UVI ACCUM UVIS-CEN F336W 2 none none none 2 N/A S TER 16104( 3) - 15-Mar-2021 20:06:18 - [ 12] Summary Form for Proposal 16104 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=17.0, FLASH=19.0 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 140D TO 240 D, ORIENT 270D TO 275 D, ORIENT 320D TO 60 D, PATTERN 1 1-5, POS TARG 0.0, 0.0, SAME ORIENT AS 01 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F225W, F275W, F336W, F475W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC-3109-V01, NGC-3109-V02, SEXTANS-A ------------------------------------------------------------------------------------------------------------------------------------