17210( 13) - 11-May-2023 14:30:02 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17210 Version: 13 Check-in Time: 11-May-2023 14:30:02 STScI Edit Number: 4 Title A Multi-Bandpass ACS Survey of Cassiopeia A: Keeping Up with its Rapidly Evolving Structure ------------------------------------------------------------------------------------ Type Cycle GO 30 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Robert A. Fesen Dartmouth College Y CoI: Dr. Dan Milisavljevic Purdue University N CoI: Dr. Daniel J. Patnaude Smithsonian Institution Astrophysical N Observatory CoI: Dr. Roger A. Chevalier The University of Virginia N CoI: Dr. John Charles Raymond Smithsonian Institution Astrophysical N Observatory CoI: Dr. Tea Temim Princeton University N CoI: Dr. Kathryn E. Weil Purdue University N CoI: Dr. William P. Blair The Johns Hopkins University N CoI: Prof. Bon-Chul Koo Seoul National University N CoI: Dr. Patrick Slane Smithsonian Institution Astrophysical N Observatory ------------------------------------------------------------------------------------ Abstract The supernova remnant Cassiopeia A (Cas A) provides the clearest look at the properties and explosion dynamics of a core-collapse supernova (CCSN). With an explosion date around 1670, Cas A is the youngest Galactic core-collapse SNR known and, at an estimated distance of 3.4 kpc, it is also among the closest and brightest. However, Cas A exhibits significant changes in its emission structure on timescales as short as 1-2 years, and large-scale changes in one or two decades, meaning that upcoming multi-wavelength investigations require nearly contemporaneous, high-resolution optical observations. This proposal describes a multi-bandpass ACS imaging program with the goals of: 1) a high-resolution optical survey that can discriminate O-Ne rich ejecta from S-Ar-Ca rich ejecta, thereby assisting new multi-wavelength studies of Cas A's ejecta and its dust content, including JWST approved Cycle 1 Near and Mid-IR observations, deep new 50 to 100 ksec Chandra high spatial resolution X-ray observations, and high spectral resolution X-ray data from the upcoming XRISM mission, 2) resolve the remnant's newly emerging and freshly reverse shocked O-Ne rich and S-Ar-Ca rich ejecta along the southern limb and north-central region, 3) add new constraints on reverse shock velocity estimates across multiple regions, and 4) measure the proper motions of the remnant's highest-velocity (8000 to 14, 500 km/s) outer ejecta providing improved age and explosion center estimates plus deceleration measurements probing the density and arrangement of the local circumstellar medium as well as ejecta knot lifetimes. ------------------------------------------------------------------------------------ Observations Description ------------------------ The goal is to obtain a set of ACS/WFC images nearly identical to those 17210( 13) - 11-May-2023 14:30:02 - [ 2] obtained in March and December 2004. These will yield excellent discrimination between O-Ne rich from S-Ar-Ca rich ejecta through the use of the ACS F450W and F775W filters sensitive to O-Ne rich SN ejecta via oxygen line emissions of [O III] 4959, 5007 and [O II] 7319, 7330. Likewise, detection of S-Ca rich ejecta through the use of ACS filters F625W and F850LP sensitive to sulfur-rich ejecta through [S II] 6716, 6731 [S III] 9069, 9531 and [S II] 10350 lines. There are six (6) target regions be imaged with virtually the same ORIENT angle of around 90 degrees to fully cover Cas A wide E-W dimension. To do this, we have constructed an observing program of eight (8) visits. Each of the first six visits target one remnant region in three ACS filters (F625W, F775W, and F850LP) using roughly 2 x 590 sec exposures plus 2 x 590 sec exposures dithered by a two point the ACS-WFC-DITHER-LINE, plus a smaller, secondary two point ACS-WFC-DITHER-LINE to help with hot pixels and cosmic rays. Thus 1 orbit is needed for each filter. A single visit will comprise three orbits for three filters for each region The 7th and 8th visits each target three of the six remnant regions using just the F475W filter, with expoures again of roughly 2 x 590 sec dithered by the two ACS-WFC-DITHER-LINE dithers. Thus, we will have ~ 4 x 590 sec exposures for each of the four filters (F450W, F625W, F775W, and F850LP) for six target regions in Cas A. Note: We have revised the coordinates of the six targets, increasing the RA and Dec by 10-20 arcseconds to permit detections of high-speed ejecta knots (mu = 0.55"/yr) located north and east of the remnant's main shell and first detected in 2004 ACS/WFC images. We have also revised the six target coordinates to avoid having bright stars just off the ACS/WFC and away from potential "Dragon Breath" light scatterings from bright stars located just off the FOV. All eight visits can be done in the 14 day window between 28 Nov 2022 and 12 Dec 2022. We have included a timing request for this time frame to match JWST Cycle 1 observations of Cas A, as noted in our Phase I submission. First set of JWST data are MIRI images have now been obtained between Jul 28, 2022 - Aug 8, 2022. The remaining observations are NIRCam images and are scheduled for Nov 4-14, 2022. Thus having the HST data taken in late Nov/early Dec 2022 is ideal. ------------------------------------------------------------------------------------ 17210( 13) - 11-May-2023 14:30:02 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 CAS-A-N-CENT ISM, EJECTA, EMISSION RA=23H23M30.9000S, J2000 V = 20 +/- 1 ER LINE NEBULA, SNR DEC=+58D50'45.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-NE ISM, EJECTA, EMISSION RA=23H23M52.7000S, J2000 V = 20 +/- 1 LINE NEBULA, SNR DEC=+58D50'55.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-NW ISM, EJECTA, EMISSION RA=23H23M7.5000S, J2000 V = 20 +/- 1 LINE NEBULA, SNR DEC=+58D50'22.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 4 CAS-A-S-CENT ISM, EJECTA, EMISSION RA=23H23M28.3000S, J2000 V = 20 +/- 1 ER LINE NEBULA, SNR DEC=+58D47'30.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 5 CAS-A-SE ISM, EJECTA, EMISSION RA=23H23M51.5000S, J2000 V = 20 +/- 1 LINE NEBULA, SNR DEC=+58D47'45.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 6 CAS-A-SW ISM, EJECTA, EMISSION RA=23H23M6.0000S, J2000 V = 20 +/- 1 LINE NEBULA, SNR DEC=+58D47'20.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 17210( 13) - 11-May-2023 14:30:02 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-DITHER-LINE ACS-WFC-DITHER-LINE Pattern_Purpose DITHER DITHER Number_Of_Points 2 2 Point_Spacing 3.034 0.364 Line_Spacing Coordinate_Frame POS-TARG POS-TARG Pattern_Orient 85.29 47.23 Angle_Between_Sides Center_Pattern NO NO ------------------------------------------------------------------------------------------------------------------------------------ 17210( 13) - 11-May-2023 14:30:02 - [ 5] Visit: 11 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-NE ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-NE ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-NE ACS/WFC ACCUM WFCENTER F775W 1 590 S PATTERN 1 3 (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 1 1 none none 3 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 1 2 none none 3 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 2 1 none none 3 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 6] Visit: 12 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-SE ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-SE ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-SE ACS/WFC ACCUM WFCENTER F775W 1 590 S PATTERN 1 3 (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-SE 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-SE 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-SE 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-SE 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A CAS-A-SE 3 ACS/WFC ACCUM WFCENTER F775W 1 1 none none 3 N/A CAS-A-SE 3 ACS/WFC ACCUM WFCENTER F775W 1 2 none none 3 N/A CAS-A-SE 3 ACS/WFC ACCUM WFCENTER F775W 2 1 none none 3 N/A CAS-A-SE 3 ACS/WFC ACCUM WFCENTER F775W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 7] Visit: 13 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-N-CEN ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 TER (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-N-CEN ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 TER (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-N-CEN ACS/WFC ACCUM WFCENTER F775W 1 590 S PATTERN 1 3 TER (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-N-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-N-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-N-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-N-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A CAS-A-N-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 1 1 none none 3 N/A CAS-A-N-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 1 2 none none 3 N/A CAS-A-N-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 2 1 none none 3 N/A CAS-A-N-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 8] Visit: 14 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-S-CEN ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 TER (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-S-CEN ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 TER (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-S-CEN ACS/WFC ACCUM WFCENTER F775W 1 590 S PATTERN 1 3 TER (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-S-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-S-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-S-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-S-CENTER 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-S-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-S-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-S-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-S-CENTER 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 1 1 none none 3 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 1 2 none none 3 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 2 1 none none 3 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F775W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 9] Visit: 15 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-NW ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-NW ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-NW ACS/WFC ACCUM WFCENTER F775W 1 590 S PATTERN 1 3 (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-NW 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-NW 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-NW 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-NW 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A CAS-A-NW 3 ACS/WFC ACCUM WFCENTER F775W 1 1 none none 3 N/A CAS-A-NW 3 ACS/WFC ACCUM WFCENTER F775W 1 2 none none 3 N/A CAS-A-NW 3 ACS/WFC ACCUM WFCENTER F775W 2 1 none none 3 N/A CAS-A-NW 3 ACS/WFC ACCUM WFCENTER F775W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 10] Visit: 16 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-SW ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-SW ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-SW ACS/WFC ACCUM WFCENTER F775W 1 590 S PATTERN 1 3 (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F775W 1 1 none none 3 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F775W 1 2 none none 3 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F775W 2 1 none none 3 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F775W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 11] Visit: 17 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-NE ACS/WFC ACCUM WFCENTER F475W 1 575 S PATTERN 1 1 (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-SE ACS/WFC ACCUM WFCENTER F475W 1 573 S PATTERN 1 2 (2292 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-S-CEN ACS/WFC ACCUM WFCENTER F475W 1 574 S PATTERN 1 3 TER (2296 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F475W 1 1 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F475W 1 2 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F475W 2 1 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F475W 2 2 none none 1 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F475W 1 1 none none 2 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F475W 1 2 none none 2 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F475W 2 1 none none 2 N/A CAS-A-SE 2 ACS/WFC ACCUM WFCENTER F475W 2 2 none none 2 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F475W 1 1 none none 3 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F475W 1 2 none none 3 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F475W 2 1 none none 3 N/A CAS-A-S-CENTER 3 ACS/WFC ACCUM WFCENTER F475W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 12] Visit: 18 Visit Requirements: ORIENT 84.9D TO 90.1 D; BEFORE 31-DEC-2022:00:00:00 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 CAS-A-N-CEN ACS/WFC ACCUM WFCENTER F475W 1 575 S PATTERN 1 1 TER (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-NW ACS/WFC ACCUM WFCENTER F475W 1 574 S PATTERN 1 2 (2296 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-SW ACS/WFC ACCUM WFCENTER F475W 1 574 S PATTERN 1 3 (2296 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F475W 1 1 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F475W 1 2 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F475W 2 1 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F475W 2 2 none none 1 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F475W 1 1 none none 2 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F475W 1 2 none none 2 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F475W 2 1 none none 2 N/A CAS-A-NW 2 ACS/WFC ACCUM WFCENTER F475W 2 2 none none 2 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F475W 1 1 none none 3 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F475W 1 2 none none 3 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F475W 2 1 none none 3 N/A CAS-A-SW 3 ACS/WFC ACCUM WFCENTER F475W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 13] Visit: 19 Visit Requirements: ORIENT 269.0D TO 271.2 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 CAS-A-NE ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-NE ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CAS-A-NE ACS/WFC ACCUM WFCENTER F775W 1 590 S PATTERN 1 3 (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-NE 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-NE 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 1 1 none none 3 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 1 2 none none 3 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 2 1 none none 3 N/A CAS-A-NE 3 ACS/WFC ACCUM WFCENTER F775W 2 2 none none 3 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 14] Visit: 20 Visit Requirements: ORIENT 269.0D TO 271.2 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 CAS-A-N-CEN ACS/WFC ACCUM WFCENTER F625W 1 575 S PATTERN 1 1 TER (2300 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 1 N/A CAS-A-N-CENTER 1 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 1 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 15] Visit: 21 Visit Requirements: ORIENT 269.0D TO 271.2 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 CAS-A-SW ACS/WFC ACCUM WFCENTER F850LP 1 575 S PATTERN 1 1 (2300 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CAS-A-SW ACS/WFC ACCUM WFCENTER F625W 1 590 S PATTERN 1 2 (2360 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 | ------------------------------------------------------------------------------------------------------------------------------------ CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 1 1 none none 1 N/A CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 1 2 none none 1 N/A CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 2 1 none none 1 N/A CAS-A-SW 1 ACS/WFC ACCUM WFCENTER F850LP 2 2 none none 1 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 1 1 none none 2 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 1 2 none none 2 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 2 1 none none 2 N/A CAS-A-SW 2 ACS/WFC ACCUM WFCENTER F625W 2 2 none none 2 N/A 17210( 13) - 11-May-2023 14:30:02 - [ 16] Summary Form for Proposal 17210 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFCENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BEFORE 31-DEC-2022:00:00:00, ORIENT 269.0D TO 271.2 D, ORIENT 84.9D TO 90.1 D, PATTERN 1 1, PATTERN 1 2, PATTERN 1 3 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F475W, F625W, F775W, F850LP ------------------------------------------------------------------------------------------------------------------------------------ Target Names CAS-A-N-CENTER, CAS-A-NE, CAS-A-NW, CAS-A-S-CENTER, CAS-A-SE, CAS-A-SW ------------------------------------------------------------------------------------------------------------------------------------