17817( 5) - 21-Jan-2025 14:42:54 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17817 Version: 5 Check-in Time: 21-Jan-2025 14:42:54 STScI Edit Number: 0 Title Tracing a hundred thousand kevin gas in the ram pressure stripped clouds ------------------------------------------------------------------------------------ Type Cycle GO 32 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Ming Sun University of Alabama in Huntsville Y CoI: Dr. RONGXIN LUO University of Alabama in Huntsville N CoI: Mr. William Vester Waldron University of Alabama in Huntsville N ------------------------------------------------------------------------------------ Abstract The last decade has witnessed a burst of evidence for ram pressure stripping (RPS) in galaxy clusters in multiple bands, suggesting RPS as a major mechanism perturbing the evolution of galaxies in clusters. Stripped tails have been detected in multi-wavelength, tracing gas at different phases. With the synergy to circumgalactic medium/galactic winds and X-ray cool cores, stripped tails have emerged as ideal targets to study multi-phase media. There has already been some effort to study the energy transfer and connection between different phases in stripped tails, including the recent discovery on a tight correlation between the diffuse X-ray gas (tracing T ~ 10^7 K gas) and the diffuse Halpha gas (tracing T ~ 10^4 K gas). However, many outstanding questions on stripped tails remain unanswered, e.g., how strong is radiative cooling in stripped tails? how much gas is there at intermediate temperatures of T ~ 10^4 - 10^6.5 K in stripped tails? Are stripped tails strong UV emitters? In this proposal, we aim for the first ever detection of the C IV emission from a stripped tail to trace the T ~ 10^5 K gas, with the ACS/SBC data on two longpass filters. The data will provide important constraints on the T ~ 10^5 K gas in the stripped tail, which further constrain the strength of radiative cooling and energy balance in stripped tails. ------------------------------------------------------------------------------------ Observations Description ------------------------ We will use ACS/SBC to map the near tail region of IC 4040 in the Coma cluster. Four orbits with F150LP will be used to map the CIV line, while two orbits with F165LP will be used to subtract the red part of the emission to ioslate the CIV emission. We will use single-orbit visits to avoid high SBC operating temperature. ------------------------------------------------------------------------------------ 17817( 5) - 21-Jan-2025 14:42:54 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 IC4040 GALAXY, EMISSION LINE RA=13H00M39.3070S, J2000 V = 16 NEBULA, SPIRAL DEC=+28D03'0.41" Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2020 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 17817( 5) - 21-Jan-2025 14:42:54 - [ 3] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-SBC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.472 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 44.4 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 17817( 5) - 21-Jan-2025 14:42:54 - [ 4] Visit: 01 (F150LP-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 IC4040 ACS/SBC ACCUM SBC F150LP 1 1255 S PATTERN 1 1-3; PAR 2-3 (2510 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 317 S (634 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY WFC3/UVI ACCUM UVIS F475W FLASH=8 1 720 S S (1440 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC4040 1 ACS/SBC ACCUM SBC F150LP 1 none none none 1 N/A IC4040 1 ACS/SBC ACCUM SBC F150LP 2 none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W 1 none none none 1 N/A S ANY 2 WFC3/UVI ACCUM UVIS F814W 2 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 1 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 2 none none none 1 N/A S 17817( 5) - 21-Jan-2025 14:42:54 - [ 5] Visit: 02 (F150LP-2) 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 IC4040 ACS/SBC ACCUM SBC F150LP 1 1255 S PATTERN 1 1-3; PAR 2-3 (2510 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 317 S (634 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY WFC3/UVI ACCUM UVIS F475W FLASH=8 1 720 S S (1440 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC4040 1 ACS/SBC ACCUM SBC F150LP 1 none none none 1 N/A IC4040 1 ACS/SBC ACCUM SBC F150LP 2 none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W 1 none none none 1 N/A S ANY 2 WFC3/UVI ACCUM UVIS F814W 2 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 1 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 2 none none none 1 N/A S 17817( 5) - 21-Jan-2025 14:42:54 - [ 6] Visit: 03 (F150LP-3) 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 IC4040 ACS/SBC ACCUM SBC F150LP 1 1255 S PATTERN 1 1-3; PAR 2-3 (2510 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 317 S (634 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY WFC3/UVI ACCUM UVIS F475W FLASH=8 1 720 S S (1440 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC4040 1 ACS/SBC ACCUM SBC F150LP 1 none none none 1 N/A IC4040 1 ACS/SBC ACCUM SBC F150LP 2 none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W 1 none none none 1 N/A S ANY 2 WFC3/UVI ACCUM UVIS F814W 2 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 1 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 2 none none none 1 N/A S 17817( 5) - 21-Jan-2025 14:42:54 - [ 7] Visit: 04 (F150LP-4) 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 IC4040 ACS/SBC ACCUM SBC F150LP 1 1255 S PATTERN 1 1-3; PAR 2-3 (2510 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 317 S (634 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY WFC3/UVI ACCUM UVIS F475W FLASH=8 1 720 S S (1440 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC4040 1 ACS/SBC ACCUM SBC F150LP 1 none none none 1 N/A IC4040 1 ACS/SBC ACCUM SBC F150LP 2 none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W 1 none none none 1 N/A S ANY 2 WFC3/UVI ACCUM UVIS F814W 2 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 1 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 2 none none none 1 N/A S 17817( 5) - 21-Jan-2025 14:42:54 - [ 8] Visit: 05 (F165LP-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 IC4040 ACS/SBC ACCUM SBC F165LP 1 1255 S PATTERN 1 1-3; PAR 2-3 (2510 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 317 S (634 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY WFC3/UVI ACCUM UVIS F475W FLASH=8 1 720 S S (1440 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC4040 1 ACS/SBC ACCUM SBC F165LP 1 none none none 1 N/A IC4040 1 ACS/SBC ACCUM SBC F165LP 2 none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W 1 none none none 1 N/A S ANY 2 WFC3/UVI ACCUM UVIS F814W 2 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 1 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 2 none none none 1 N/A S 17817( 5) - 21-Jan-2025 14:42:54 - [ 9] Visit: 06 (F165LP-2) 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 IC4040 ACS/SBC ACCUM SBC F165LP 1 1255 S PATTERN 1 1-3; PAR 2-3 (2510 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 317 S (634 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY WFC3/UVI ACCUM UVIS F475W FLASH=8 1 720 S S (1440 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC4040 1 ACS/SBC ACCUM SBC F165LP 1 none none none 1 N/A IC4040 1 ACS/SBC ACCUM SBC F165LP 2 none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W 1 none none none 1 N/A S ANY 2 WFC3/UVI ACCUM UVIS F814W 2 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 1 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 2 none none none 1 N/A S 17817( 5) - 21-Jan-2025 14:42:54 - [ 10] Visit: 07 (Repeat of F150LP-1 (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 IC4040 ACS/SBC ACCUM SBC F150LP 1 1255 S PATTERN 1 1-3; PAR 2-3 (2510 S) WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W 1 317 S (634 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY WFC3/UVI ACCUM UVIS F475W FLASH=8 1 720 S S (1440 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 | ------------------------------------------------------------------------------------------------------------------------------------ IC4040 1 ACS/SBC ACCUM SBC F150LP 1 none none none 1 N/A IC4040 1 ACS/SBC ACCUM SBC F150LP 2 none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W 1 none none none 1 N/A S ANY 2 WFC3/UVI ACCUM UVIS F814W 2 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 1 none none none 1 N/A S ANY 3 WFC3/UVI ACCUM UVIS F475W 2 none none none 1 N/A S 17817( 5) - 21-Jan-2025 14:42:54 - [ 11] Summary Form for Proposal 17817 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures SBC, UVIS ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/SBC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=8 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements PAR 2-3 WITH 1, PATTERN 1 1-3 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F150LP, F165LP, F475W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, IC4040 ------------------------------------------------------------------------------------------------------------------------------------