16488( 8) - 17-Mar-2021 15:19:30 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16488 Version: 8 Check-in Time: 17-Mar-2021 15:19:30 STScI Edit Number: 0 Title An XMM-Newton+HST study of an extreme, high-redshift cluster merger ------------------------------------------------------------------------------------ Type Cycle GO 28 ------------------------------------------------------------------------------------ Investigators Contact? PI: Ms. Hannah Zohren Universitat Bonn, Argelander Institute for Y Astronomy CoI: Dr. Tim Schrabback Universitat Bonn, Argelander Institute for Y Astronomy CoI: Dr. Martin Sommer Universitat Bonn, Argelander Institute for N Astronomy CoI: Dr. Matthew Bayliss University of Cincinnati Main Campus N CoI: Dr. Lindsey Bleem Argonne National Laboratory N CoI: Dr. Esra Bulbul Max Planck Institute for Extraterrestrial N Physics CoI: Dr. Guillaume Mahler Durham Univ. N CoI: Dr. Alfredo Zenteno NOIRLab - CTIO (Chile) N CoI: Prof. Keren Sharon University of Michigan N ------------------------------------------------------------------------------------ Abstract We propose XMM-Newton+HST observations of SPT-CLJ2228-5828, a high-redshift (z = 0.73) candidate for a dissociative galaxy cluster merger. It exhibits two major, widely-separated (940 kpc) centers in the galaxy distribution with (noisy) counterparts identified in an initial weak lensing analysis of the cluster. Traced by the SPT Sunyaev Zel'dovich signature, the hot intracluster plasma appears to be located in the middle between the two peaks of the galaxy distribution and mass map, suggesting a violent, dissociative merger. If confirmed, SPT-CLJ2228-5828 would be among the widest dissociated mergers known. These systems are extremely rare, especially at high redshifts, and provide the best conditions for constraints on the dark matter self-interaction cross-section. The requested high-resolution X-ray observations will enable us to to efficiently confirm the dissociated merger nature. Additionally, they will allow us to constrain the cluster X-ray temperature and luminosity to 10%, providing the precision needed to compare its properties to its peers among the rarest violent cluster mergers known. We also request complementary HST observations to substantially improve the mass reconstruction using strong and weak gravitational lensing. This will not only allow us to compute constraints on the dark matter self-interaction from the system, but also to compare the cluster properties to expectations from mass-observable scaling relations. Complementary GMOS multi-object spectroscopy for the cluster has already been approved, yielding the final piece needed for a comprehensive multi-wavelength analysis of this extreme cluster. ------------------------------------------------------------------------------------ Observations Description ------------------------ The observations of SPT-CL-J2228-5828 will incorporate a 2x2 mosaic with ACS in F606W and F814W, plus central observations 16488( 8) - 17-Mar-2021 15:19:30 - [ 2] with WFC3/IR in F140W. All observations will be conducted during Continuous Viewing Zone (CVZ) opportunities. We request permission to "craft" the ACS observations (2 CVZ orbits per pointing), scheduling F606W imaging preferentially when HST is not observing close to Earth's bright limb, keeping the impact of Earthshine low in this filter. Observations will be well dithered, covering the ACS chip gap. The WFC3/IR imaging (1 CVZ orbit) consists of four main overlapping pointings, each containing 3 dithered exposures. A constraint on the overall orientation is required for the WFC3/IR visit to ensure a good coverage (6 exposures) over the inner regions of both cluster cores. Additional peripheral cluster regions will be covered by 3 exposures. ------------------------------------------------------------------------------------ 16488( 8) - 17-Mar-2021 15:19:30 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J2228 CLUSTER OF GALAXIES, RA=22H28M49.0000S, J2000 V = 27 -5828 GRAVITATIONAL LENS, DEC=-58D28'25.00" HIGH REDSHIFT CLUSTER, RICH CLUSTER 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 ------------------------------------------------------------------------------------------------------------------------------------ 16488( 8) - 17-Mar-2021 15:19:30 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 4 Point_Spacing 3.034 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 85.29 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 3 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-BLOB Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 5.183 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 81.859 Angle_Between_Sides Center_Pattern YES ------------------------------------------------------------------------------------------------------------------------------------ 16488( 8) - 17-Mar-2021 15:19:30 - [ 5] Visit: 01 (ACS-2-Orbits-1a) Visit Requirements: CVZ 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 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG -97, -98; SEQ 8-5828 (1784 S) 1-2 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG -97, -98; 8-5828 (1784 S) PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 6] Visit: 02 (ACS-2-Orbits-2a) Visit Requirements: CVZ; SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG -97, 98; SEQ 8-5828 (1784 S) 1-2 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG -97, 98; 8-5828 (1784 S) PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 7] Visit: 03 (ACS-2-Orbits-3a) Visit Requirements: CVZ; SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG 97, -98; SEQ 8-5828 (1784 S) 1-2 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG 97, -98; 8-5828 (1784 S) PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 8] Visit: 04 (ACS-2-Orbits-4a) Visit Requirements: CVZ; SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG 97, 98; SEQ 1-2 8-5828 (1784 S) NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG 97, 98; PATTERN 8-5828 (1784 S) 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 9] Visit: 08 (F140W-Double-Depth-Core-Wings) Visit Requirements: CVZ; ORIENT 43D TO 47 D; ORIENT 220D TO 222 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 SPT-CL-J222 WFC3/IR MULTIAC IR-FIX F140W SAMP-SEQ=SPARS25, NSAMP=13 1 DEF POS TARG 15., -54; SEQ 8-5828 CUM (908.815 1-4 NON-INT; PATTERN 3 1 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 WFC3/IR MULTIAC IR-FIX F140W SAMP-SEQ=SPARS25, NSAMP=14 1 DEF POS TARG -15.37, -54.37; 8-5828 CUM (983.817 PATTERN 3 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SPT-CL-J222 WFC3/IR MULTIAC IR-FIX F140W SAMP-SEQ=SPARS25, NSAMP=14 1 DEF POS TARG -15, 54; 8-5828 CUM (983.817 PATTERN 3 3 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SPT-CL-J222 WFC3/IR MULTIAC IR-FIX F140W SAMP-SEQ=SPARS25, NSAMP=13 1 DEF POS TARG 15.37, 54.37; 8-5828 CUM (908.815 PATTERN 3 4 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 WFC3/IR MULTIAC IR-FIX F140W 1 none none none 1 N/A CUM SPT-CL-J2228-5828 1 WFC3/IR MULTIAC IR-FIX F140W 2 none none none 1 N/A CUM SPT-CL-J2228-5828 1 WFC3/IR MULTIAC IR-FIX F140W 3 none none none 1 N/A CUM SPT-CL-J2228-5828 2 WFC3/IR MULTIAC IR-FIX F140W 1 none none none 1 N/A CUM SPT-CL-J2228-5828 2 WFC3/IR MULTIAC IR-FIX F140W 2 none none none 1 N/A CUM SPT-CL-J2228-5828 2 WFC3/IR MULTIAC IR-FIX F140W 3 none none none 1 N/A CUM SPT-CL-J2228-5828 3 WFC3/IR MULTIAC IR-FIX F140W 1 none none none 1 N/A CUM SPT-CL-J2228-5828 3 WFC3/IR MULTIAC IR-FIX F140W 2 none none none 1 N/A CUM SPT-CL-J2228-5828 3 WFC3/IR MULTIAC IR-FIX F140W 3 none none none 1 N/A CUM SPT-CL-J2228-5828 4 WFC3/IR MULTIAC IR-FIX F140W 1 none none none 1 N/A CUM 16488( 8) - 17-Mar-2021 15:19:30 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 4 WFC3/IR MULTIAC IR-FIX F140W 2 none none none 1 N/A CUM SPT-CL-J2228-5828 4 WFC3/IR MULTIAC IR-FIX F140W 3 none none none 1 N/A CUM 16488( 8) - 17-Mar-2021 15:19:30 - [ 11] Visit: 09 (ACS-2-Orbits-2b) Visit Requirements: CVZ; SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG -96.03, 97.03; 8-5828 (1784 S) SEQ 1-2 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG -96.03, 97.03; 8-5828 (1784 S) PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 12] Visit: 10 (ACS-2-Orbits-3b) Visit Requirements: CVZ; SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG 96.03, -97.03; 8-5828 (1784 S) SEQ 1-2 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG 96.03, -97.03; 8-5828 (1784 S) PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 13] Visit: 11 (ACS-2-Orbits-4b) Visit Requirements: CVZ; SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG 96.03, 97.03; 8-5828 (1784 S) SEQ 1-2 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG 96.03, 97.03; 8-5828 (1784 S) PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 14] Visit: 12 (ACS-2-Orbits-1b) Visit Requirements: CVZ; SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F814W 1 446 S POS TARG -96.03, -97.03; 8-5828 (1784 S) SEQ 1-2 NON-INT; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 SPT-CL-J222 ACS/WFC ACCUM WFCENTER F606W 1 446 S POS TARG -96.03, -97.03; 8-5828 (1784 S) PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 1 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 2 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 3 none none none 1 N/A SPT-CL-J2228-5828 1 ACS/WFC ACCUM WFCENTER F814W 4 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 1 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 2 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 3 none none none 1 N/A SPT-CL-J2228-5828 2 ACS/WFC ACCUM WFCENTER F606W 4 none none none 1 N/A 16488( 8) - 17-Mar-2021 15:19:30 - [ 15] Summary Form for Proposal 16488 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IR-FIX, WFCENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=13, NSAMP=14, SAMP-SEQ=SPARS25 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements CVZ, ORIENT 220D TO 222 D, ORIENT 43D TO 47 D, PATTERN 1 1, PATTERN 1 2, PATTERN 3 1, PATTERN 3 2, PATTERN 3 3, PATTERN 3 4, POS TARG -15, 54, POS TARG -15.37, -54.37, POS TARG -96.03, -97.03, POS TARG -96.03, 97.03, POS TARG -97, -98, POS TARG -97, 98, POS TARG 15., -54, POS TARG 15.37, 54.37, POS TARG 96.03, -97.03, POS TARG 96.03, 97.03, POS TARG 97, -98, POS TARG 97, 98, SAME ORIENT AS 01, SEQ 1-2 NON-INT, SEQ 1-4 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F140W, F606W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names SPT-CL-J2228-5828 ------------------------------------------------------------------------------------------------------------------------------------