16217( 10) - 16-Sep-2022 19:34:35 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16217 Version: 10 Check-in Time: 16-Sep-2022 19:34:35 STScI Edit Number: 6 Title Identifying Double White Dwarf Binaries in Globular Clusters ------------------------------------------------------------------------------------ Type Cycle GO 28 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Liliana Rivera Sandoval University of Texas Rio Grande Valley Y CoI: Prof. Thomas J. Maccarone Texas Tech University N CoI: Dr. Craig Heinke University of Alberta N CoI: Dr. Andrea Dieball Helmholtz Institut fur Strahlen- und N Kernphysik, Uni Bonn CoI: Prof. Christian Knigge University of Southampton N CoI: Dr. David R. Zurek American Museum of Natural History N ------------------------------------------------------------------------------------ Abstract Double white dwarf binaries (aka AM CVns) are systems with orbital periods ~5-65 mins. Because of their short orbits, they are important sources of low-frequency gravitational waves. They are also candidates for progenitors of SN Ia through the double degenerate path. In globular clusters (GCs) they are predicted to exist in large amounts due to stellar interactions. However, no single AM CVn has yet been confirmed in any GC. We propose to carry out the first multi-epoch UV study of the low extinction, relatively massive Galactic GC 47 Tuc to identify the missing population of AM CVns through their outbursts. Using this novel technique we will test dynamical formation and evolutionary models of these binaries in clusters. We will also refine predictions of AM CVns as potential gravitational wave sources to be detected with LISA. Finding an upper limit on the rate of identifications that is lower than expected would change the current paradigm of GCs as efficient factories of compact binaries, especially those harboring white dwarfs. That would mean that the double degenerate path for SN Ia is negligible, which ultimately has cosmological implications. ------------------------------------------------------------------------------------ Observations Description ------------------------ Our goal is to identify blue transients in the cluster. We have 9 visits of 1 orbit each. For the primaries we use the F225W and F275W filters on the UVIS channel of WFC3 in order to overcome the stellar crowding. We point at the center of the cluster. In order to remove cosmic rays and other artifacts we obtain 2 images per filter for a total of 4 per orbit. Each F225W observation has an exposure of approximately 715s and the F275W observations have 600s, optimazed to obtain the same signal-to-noise. For the primaries, the strategy is the same for each of the 9 visits. We simultaneously obtain parallel observations with the WFC on the ACS. We are using 3 filters: F435W, F635W and F658N. Due to dumping and maneuver times to cover the chip gaps, we accomodate 4 parallel images per orbit. Our statrategy is to obtain 2 images in 2 different filters every orbit, alternating between the F435W and F658N filters between visits. This help us to remove cosmic rays 16217( 10) - 16-Sep-2022 19:34:35 - [ 2] and other artifacts each orbit, giving us reliable colors of the sources identified. For the first parallel visit we use the combination F625W and F435W, with longer exposures in F435W because it is the bluer filters. The total exposure times per orbit are 873s for F625W and 1150s for F435W, each divided in 2 observations. For the second parallel visit we use the combination F625W and F658N. In this case we give more weight to the narrow filter. Total exposure times are 474s in F625W and 1240s in F658N, divided in 2 observations each. Our third and fouth observations are similar to our first and second one, respectively. The rest repeat the pattern. We set up our dithers as POS-TARGS. We use similar values to the ones given by the WFC3-UVIS-MOSAIC-LINE strategy, which according to the documentation (section "C.2 WFC3 Patterns" of the WFC3 handbook) steps the gap on both detectors and it is used for full-frame WFC3-UVIS with ACS-WFC in parallel. The values used are X=1.446 arcsec, Y=2.926 arcsec and were set after the second primary observation in each visit. No timing restrictions for the first visit are placed. However, subsequent visits must be scheduled between 10-30 days from the previous one. We give a post flash of 20 e-/pix for each WFC3-UVIS images to account for the increasing CTE looses on the detector, as was recommended by our CS and the documentaion (ISR 2020-08: Strategies for Mitigation of CTE Losses in WFC3/UVIS) . We give similar post flash values to our ACS observations to ensure good detections in the narrow and wide filters. ------------------------------------------------------------------------------------ 16217( 10) - 16-Sep-2022 19:34:35 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 STELLAR CLUSTER, RA=00H24M5.7600S, J2000 V = 3.95 GLOBULAR CLUSTER DEC=-72D04'52.60" Reference Frame: Other: SIMBAD ------------------------------------------------------------------------------------------------------------------------------------ 16217( 10) - 16-Sep-2022 19:34:35 - [ 4] Visit: 01 (visit 1) Visit Requirements: On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 GS ACQ SCENARIO BASE1B3; S ER S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 370 S (370 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F435W 1 500 S (500 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F435W 1 540 S (540 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A ANY 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 5] Visit: 02 (visit 2) Visit Requirements: AFTER 01 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 POS TARG 0.158, 0.070; S ER S) GS ACQ SCENARIO BASE1B3; PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 POS TARG 0.158, 0.070 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 300 S (300 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F658N 1 590 S (590 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F658N 1 560 S (560 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 6] 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 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 7] Visit: 03 (visit 3) Visit Requirements: AFTER 02 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 POS TARG 0.099, 0.165; S ER S) GS ACQ SCENARIO BASE1B3; PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 POS TARG 0.099, 0.165 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 370 S (370 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F435W 1 500 S (500 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F435W 1 540 S (540 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 8] 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 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 9] Visit: 04 (visit 4) Visit Requirements: AFTER 03 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 POS TARG -0.060, 0.095; S ER S) GS ACQ SCENARIO BASE1B3; PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 POS TARG -0.060, 0.095 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 300 S (300 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F658N 1 590 S (590 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F658N 1 560 S (560 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 10] 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 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 11] Visit: 05 (visit 5) Visit Requirements: AFTER 04 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 GS ACQ SCENARIO BASE1B3; S ER S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 370 S (370 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F435W 1 500 S (500 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F435W 1 540 S (540 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A ANY 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 12] Visit: 06 (visit 6) Visit Requirements: AFTER 05 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 POS TARG 0.158, 0.070; S ER S) GS ACQ SCENARIO BASE1B3; PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 POS TARG 0.158, 0.070 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 300 S (300 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F658N 1 590 S (590 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F658N 1 560 S (560 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 14] Visit: 07 (visit 7) Visit Requirements: AFTER 06 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 POS TARG 0.099, 0.165; S ER S) GS ACQ SCENARIO BASE1B3; PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 POS TARG 0.099, 0.165 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 370 S (370 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F435W 1 500 S (500 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F435W 1 540 S (540 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 16] Visit: 08 (visit 8) Visit Requirements: AFTER 07 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 POS TARG -0.060, 0.095; S ER S) GS ACQ SCENARIO BASE1B3; PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 POS TARG -0.060, 0.095 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 300 S (300 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F658N 1 590 S (590 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F658N 1 560 S (560 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 18] Visit: 09 (visit 9) Visit Requirements: AFTER 08 BY 10 D TO 30 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 GS ACQ SCENARIO BASE1B3; S ER S) PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 370 S (370 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F435W 1 500 S (500 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F435W 1 540 S (540 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER NGC-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A ANY 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 19] Visit: 10 (visit 10) Visit Requirements: BETWEEN 29-OCT-2022:00:00:00 AND 04-NOV-2022:00:00:00; BETWEEN 08-NOV-2022:00:00:00 AND 14-NOV-2022:00:00:00 On Hold Comments: Additional Comments: This visit is a repeat. Visit 01 in the program failed. This visit (10) is a copy of visit 02 in order to maintain the correct alternating coordinated parallels. 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-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 600 S (600 POS TARG 0.158, 0.070; S ER S) GS ACQ SCENARIO BASE1B3; PAR 3-4 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 715 S (715 POS TARG 0.158, 0.070 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFCENTER F625W 1 300 S (300 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFCENTER F658N 1 590 S (590 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-104 WFC3/UVI ACCUM UVIS-CENT F225W FLASH=17 1 680 S (680 POS TARG 1.446, 2.926; S ER S) PAR 7-8 WITH 5-6 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-104 WFC3/UVI ACCUM UVIS-CENT F275W FLASH=18 1 418 S (418 POS TARG 1.446, 2.926 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFCENTER F658N 1 560 S (560 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFCENTER F625W 1 51 S (51 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-104 1 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER NGC-104 2 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER ANY 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A ANY 4 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-104 5 WFC3/UVI ACCUM UVIS-CEN F225W none none none none 1 N/A S TER 16217( 10) - 16-Sep-2022 19:34:35 - [ 20] 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-104 6 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A S TER ANY 7 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A ANY 8 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A 16217( 10) - 16-Sep-2022 19:34:35 - [ 21] Summary Form for Proposal 16217 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER, WFCENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=17, FLASH=18 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 10 D TO 30 D, AFTER 02 BY 10 D TO 30 D, AFTER 03 BY 10 D TO 30 D, AFTER 04 BY 10 D TO 30 D, AFTER 05 BY 10 D TO 30 D, AFTER 06 BY 10 D TO 30 D, AFTER 07 BY 10 D TO 30 D, AFTER 08 BY 10 D TO 30 D, BETWEEN 08-NOV-2022:00:00:00 AND 14-NOV-2022:00:00:00, BETWEEN 29-OCT-2022:00:00:00 AND 04-NOV-2022:00:00:00, GS ACQ SCENARIO BASE1B3, PAR 3-4 WITH 1-2, PAR 7-8 WITH 5-6, POS TARG -0.060, 0.095, POS TARG 0.099, 0.165, POS TARG 0.158, 0.070, POS TARG 1.446, 2.926 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F225W, F275W, F435W, F625W, F658N ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, NGC-104 ------------------------------------------------------------------------------------------------------------------------------------