16226( 5) - 28-Sep-2020 14:41:53 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16226 Version: 5 Check-in Time: 28-Sep-2020 14:41:53 STScI Edit Number: 0 Title Metallicity Distribution Functions of Quenched Field Dwarf Galaxies ------------------------------------------------------------------------------------ Type Cycle GO 28 ------------------------------------------------------------------------------------ Investigators Contact? PI: Sal Wanying Fu University of California - Berkeley Y CoI: Dr. Daniel R. Weisz University of California - Berkeley Y CoI: Dr. Else Starkenburg Leibniz-Institut fur Astrophysik Potsdam N (AIP) CoI: Dr. Nicolas Martin Universite de Strasbourg I N CoI: Dr. Mario L. Mateo University of Michigan N CoI: Dr. Andrew Eugene Dolphin Raytheon Company N CoI: Mr. Nathan Ross Sandford University of California - Berkeley N CoI: Prof. Michael Boylan-Kolchin University of Texas at Austin N CoI: Dr. Patrick Cote National Research Council of Canada N ------------------------------------------------------------------------------------ Abstract Environment is thought to play a central role in quenching low-mass dwarf galaxies. However, an increasing number of dwarf galaxies discovered in isolation suggest that mechanisms other than environment can quench dwarf galaxies. Here, we propose deep WFC3/F395N (Ca H & K) imaging to measure metallicites (~0.1-0.2 dex) for hundreds of individual stars in Cetus and Tucana, the two nearest examples of isolated quenched dwarf galaxies. Our Ca H & K photometry will provide an order-of-magnitude increase in the number of stars in each systems with reliable metallicities (from ~40 to 400), enabling the first detailed study of the metallicity distribution functions (MDFs), and the physics they encode, in isolated quenched dwarf galaxies. Specifically, we will (1) construct and characterize detailed MDFs for Cetus and Tucana from a number of stars comparable to MW satellites; (2) use our MDFs to differentiate between signatures of external vs internal quenching in low-mass galaxies; and (3) combine our MDFs, HST-based SFHs, and HST-based proper motions (and orbital histories) to complete our knowledge of these enigmatic galaxies' formation histories. This program will provide qualitatively new insight into how and why isolated low-mass galaxies stop forming stars. The construction of MDFs in such distant systems is only possible due to the excellent blue-sensitivity and angular resolution of HST -- no other ground- or space-based facility can acquire this data. This novel use of HST will establish it as a leader for measuring stellar metallicities in galaxies located at large distances from the Milky Way. ------------------------------------------------------------------------------------ Observations Description ------------------------ The goal of this program is to obtain F395N imaging with S/N > 10 for the Cetus and Tucana dwarf galaxies down to F475W ~ 25. We aim to combine this data with existing F475W and F814W archival imaging (GO-10505) of each dwarf to construct their metallicity distribution functions and infer their quenching mechanisms. 16226( 5) - 28-Sep-2020 14:41:53 - [ 2] Accordingly, we extensively reference GO-10505 for program design. Most of the visits in this program are two orbits. In each orbit, there are 2 F395N exposures taken per orbit in wFC3/UVIS, and no CR-splits.We follow the dither pattern from proposal GO-10505 using POS-TARG. For Tucana and Cetus respectively, there are 12 and 11 unique dither pointings, one per orbit. Coordinated parallel exposures are obtained using WFC/ACS in F475W and F814W filters. For the first visit to each galaxy, we impose orientation requirements so that our parallel exposures overlap with parallel fields targeted in GO-10505. Those fields were designed to avoid bright foreground stars, and also, to target scientifically valuable portions of each object's galactic halo. Subsequent visits to the object follow the same orientation to maximize the sky area covered in full depth in both the prime and parallel fields. ------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 TUCANA-DWARF GALAXY, DWARF RA=22H41M48.4200S, J2000 V = 15.2 -GALAXY SPHEROIDAL DEC=-64D25'16.05" Reference Frame: Other: NED Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 2 CETUS-DWARF- GALAXY, DWARF RA=00H26M9.7000S, J2000 V = 13.2 GALAXY SPHEROIDAL DEC=-11D04'35.00" Reference Frame: Other: SIMBAD Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 4] Visit: 01 (Tucana) Visit Requirements: SCHED 50% On Hold Comments: Additional Comments: This is the first visit to Tucana. We do not require orient restrictions in order to maximize schedulability for the field in the primary exposure. Each visit to Tucana consists of two orbits. In each orbit, we will acquire two primary exposures in F395N using WFC3/UVIS (no CR-splits). The coordinated parallel exposures are divided into F475W and F814W using ACS/WFC (no CR-splits). 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 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0, 0; PAR 3-4 F-GALAXY S see below WITH 1-2 (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 1 F-GALAXY S see below (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.148, 0.086; F-GALAXY S see below PAR 7-8 WITH 5-6 (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 5 F-GALAXY S see below (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1248 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1248 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUCANA-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S TUCANA-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 1232.0 S ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 1232.0 S TUCANA-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S TUCANA-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1248.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1248.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 6] Visit: 02 (Tucana) Visit Requirements: SCHED 50%; SAME ORIENT AS 01 On Hold Comments: Additional Comments: The visits after the first visit to Tucana will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.222, 0.24; F-GALAXY S see below PAR 3-4 WITH 1-2 (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 1 F-GALAXY S see below (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.074, 0.154; F-GALAXY S see below PAR 7-8 WITH 5-6 (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 5 F-GALAXY S see below (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1248 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1248 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUCANA-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S TUCANA-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 1232.0 S ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 1232.0 S TUCANA-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S TUCANA-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1248.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1248.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 8] Visit: 03 (Tucana) Visit Requirements: SCHED 50%; SAME ORIENT AS 01 On Hold Comments: Additional Comments: The visits after the first visit to Tucana will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.085, 0.105; F-GALAXY S see below PAR 3-4 WITH 1-2 (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 1 F-GALAXY S see below (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.233, 0.191; F-GALAXY S see below PAR 7-8 WITH 5-6 (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 5 F-GALAXY S see below (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1248 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1248 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUCANA-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S TUCANA-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 1232.0 S ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 1232.0 S TUCANA-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S TUCANA-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1248.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1248.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 10] Visit: 04 (Tucana) Visit Requirements: SCHED 50%; SAME ORIENT AS 01 On Hold Comments: Additional Comments: The visits after the first visit to Tucana will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.307, 0.345; F-GALAXY S see below PAR 3-4 WITH 1-2 (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 1 F-GALAXY S see below (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.159, 0.259; F-GALAXY S see below PAR 7-8 WITH 5-6 (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 5 F-GALAXY S see below (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1248 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1248 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUCANA-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S TUCANA-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 1232.0 S ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 1232.0 S TUCANA-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S TUCANA-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1248.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1248.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 12] Visit: 05 (Tucana) Visit Requirements: SCHED 50%; SAME ORIENT AS 01 On Hold Comments: Additional Comments: The visits after the first visit to Tucana will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG -0.115, 0.07; F-GALAXY S see below PAR 3-4 WITH 1-2 (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 1 F-GALAXY S see below (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.033, 0.156; F-GALAXY S see below PAR 7-8 WITH 5-6 (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 5 F-GALAXY S see below (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1248 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1248 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUCANA-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S TUCANA-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 1232.0 S ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 1232.0 S TUCANA-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S TUCANA-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1248.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1248.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 14] Visit: 06 (Tucana) Visit Requirements: SCHED 50%; SAME ORIENT AS 01 On Hold Comments: Additional Comments: The visits after the first visit to Tucana will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG 0.107, 0.31; F-GALAXY S see below PAR 3-4 WITH 1-2 (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 1 F-GALAXY S see below (1339 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1232 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S POS TARG -0.041, 0.224; F-GALAXY S see below PAR 7-8 WITH 5-6 (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TUCANA-DWAR WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1225 S SAME POS AS 5 F-GALAXY S see below (1350 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1100 S see below (1248 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1100 S see below (1248 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 | ------------------------------------------------------------------------------------------------------------------------------------ 16226( 5) - 28-Sep-2020 14:41:53 - [ 15] 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUCANA-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S TUCANA-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 1339.0 S S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 1232.0 S ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 1232.0 S TUCANA-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S TUCANA-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1350.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1248.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1248.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 16] Visit: 07 (Cetus) Visit Requirements: ORIENT 154.5D TO 244.2 D; ORIENT 40.4D TO 52.6 D On Hold Comments: Additional Comments: This is the first visit to Cetus. We require constraints on orientation, and for remaining visits to this galaxy, we request the same orient as in this visit. That way, coordinated parallels with ACS/WFC will always fall in the same field. Each visit to Cetus except the final consists of two orbits; the final visit is one orbit only. In each orbit, we will acquire two primary exposures in F395N using WFC3/UVIS (no CR-splits). The coordinated parallel exposures are divided into F475W and F814W using ACS/WFC (no CR-splits). 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 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0, 0; PAR 3-4 -GALAXY S (1300 S) WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 1 -GALAXY S (1250 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S (1185 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S (1184 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.148, 0.086; -GALAXY S see below PAR 7-8 WITH 5-6 (1326 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 5 -GALAXY S see below (1276 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S see below (1201 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S see below (1200 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 | ------------------------------------------------------------------------------------------------------------------------------------ CETUS-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S 16226( 5) - 28-Sep-2020 14:41:53 - [ 17] 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 | ------------------------------------------------------------------------------------------------------------------------------------ CETUS-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 N/A CETUS-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1326.0 S S CETUS-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1276.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1201.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1200.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 18] Visit: 08 (Cetus) Visit Requirements: SAME ORIENT AS 07 On Hold Comments: Additional Comments: The visits after the first visit to Cetus will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.222, 0.24; -GALAXY S (1300 S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 1 -GALAXY S (1250 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S (1185 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S (1184 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.074, 0.154; -GALAXY S see below PAR 7-8 WITH 5-6 (1326 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 5 -GALAXY S see below (1276 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S see below (1201 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S see below (1200 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 | ------------------------------------------------------------------------------------------------------------------------------------ CETUS-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S CETUS-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S 16226( 5) - 28-Sep-2020 14:41:53 - [ 19] 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 3 ACS/WFC ACCUM WFC F475W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 N/A CETUS-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1326.0 S S CETUS-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1276.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1201.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1200.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 20] Visit: 09 (Cetus) Visit Requirements: SAME ORIENT AS 07 On Hold Comments: Additional Comments: The visits after the first visit to Cetus will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.085, 0.105; -GALAXY S (1300 S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 1 -GALAXY S (1250 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S (1185 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S (1184 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.233, 0.191; -GALAXY S see below PAR 7-8 WITH 5-6 (1326 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 5 -GALAXY S see below (1276 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S see below (1201 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S see below (1200 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 | ------------------------------------------------------------------------------------------------------------------------------------ CETUS-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S CETUS-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S 16226( 5) - 28-Sep-2020 14:41:53 - [ 21] 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 3 ACS/WFC ACCUM WFC F475W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 N/A CETUS-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1326.0 S S CETUS-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1276.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1201.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1200.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 22] Visit: 10 (Cetus) Visit Requirements: SAME ORIENT AS 07 On Hold Comments: Additional Comments: The visits after the first visit to Cetus will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.307, 0.345; -GALAXY S (1300 S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 1 -GALAXY S (1250 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S (1185 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S (1184 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.159, 0.259; -GALAXY S see below PAR 7-8 WITH 5-6 (1326 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 5 -GALAXY S see below (1276 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S see below (1201 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S see below (1200 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 | ------------------------------------------------------------------------------------------------------------------------------------ CETUS-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S CETUS-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S 16226( 5) - 28-Sep-2020 14:41:53 - [ 23] 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 3 ACS/WFC ACCUM WFC F475W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 N/A CETUS-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1326.0 S S CETUS-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1276.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1201.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1200.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 24] Visit: 11 (Cetus) Visit Requirements: SAME ORIENT AS 07 On Hold Comments: Additional Comments: The visits after the first visit to Cetus will require the same orientation as the first visit. Similarly to the first visit, each visit will consist of two orbits. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG -0.115, 0.07; -GALAXY S (1300 S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 1 -GALAXY S (1250 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S (1185 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S (1184 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.033, 0.156; -GALAXY S see below PAR 7-8 WITH 5-6 (1326 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 5 -GALAXY S see below (1276 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S see below (1201 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S see below (1200 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 | ------------------------------------------------------------------------------------------------------------------------------------ CETUS-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S CETUS-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S 16226( 5) - 28-Sep-2020 14:41:53 - [ 25] 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 3 ACS/WFC ACCUM WFC F475W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 N/A CETUS-DWARF-GALAXY 5 WFC3/UVI ACCUM UVIS F395N none none none none 2 1326.0 S S CETUS-DWARF-GALAXY 6 WFC3/UVI ACCUM UVIS F395N none none none none 2 1276.0 S S ANY 7 ACS/WFC ACCUM WFC F475W none none none none 2 1201.0 S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 1200.0 S 16226( 5) - 28-Sep-2020 14:41:53 - [ 26] Visit: 12 (Cetus) Visit Requirements: SAME ORIENT AS 07 On Hold Comments: Additional Comments: The visits after the first visit to Cetus will require the same orientation as the first visit. In the final visit to Cetus, we require only one orbit for a total of 11 orbits for this galaxy in this proposal. We will take two exposures in F395N per orbit (no CR-splits) with WFC3/UVIS. The coordinated parallel exposures are taken with ACS/WFC, and each orbit is divided into one F475W and one F814W exposure (no CR-splits). 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 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1300 S POS TARG 0.107, 0.31; -GALAXY S (1300 S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 CETUS-DWARF WFC3/UVI ACCUM UVIS F395N FLASH=20, CR-SPLIT=NO 1 1250 S SAME POS AS 1 -GALAXY S (1250 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F475W CR-SPLIT=NO 1 1185 S (1185 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1184 S (1184 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 | ------------------------------------------------------------------------------------------------------------------------------------ CETUS-DWARF-GALAXY 1 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S CETUS-DWARF-GALAXY 2 WFC3/UVI ACCUM UVIS F395N none none none none 1 N/A S ANY 3 ACS/WFC ACCUM WFC F475W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W none none none none 1 N/A 16226( 5) - 28-Sep-2020 14:41:53 - [ 27] Summary Form for Proposal 16226 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS, WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO, FLASH=20 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 154.5D TO 244.2 D, ORIENT 40.4D TO 52.6 D, PAR 3-4 WITH 1-2, PAR 7-8 WITH 5-6, POS TARG -0.041, 0.224, POS TARG -0.115, 0.07, POS TARG 0, 0, POS TARG 0.033, 0.156, POS TARG 0.074, 0.154, POS TARG 0.085, 0.105, POS TARG 0.107, 0.31, POS TARG 0.148, 0.086, POS TARG 0.159, 0.259, POS TARG 0.222, 0.24, POS TARG 0.233, 0.191, POS TARG 0.307, 0.345, SAME ORIENT AS 01, SAME ORIENT AS 07, SAME POS AS 1, SAME POS AS 5, SCHED 50% ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F395N, F475W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, CETUS-DWARF-GALAXY, TUCANA-DWARF-GALAXY ------------------------------------------------------------------------------------------------------------------------------------