17205( 6) - 22-May-2023 18:59:54 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17205 Version: 6 Check-in Time: 22-May-2023 18:59:54 STScI Edit Number: 1 Title Explosions in Real-Time: Rapid UV Supernova Flash Spectroscopy ------------------------------------------------------------------------------------ Type Cycle GO 30 ------------------------------------------------------------------------------------ Investigators Contact? PI: Mr. Erez Arie Zimmerman Weizmann Institute of Science Y CoI: Prof. Avishay Gal-Yam Weizmann Institute of Science Y CoI: Dr. Stephen Bradley Cenko NASA Goddard Space Flight Center N CoI: Ms. Rachel Joelle BRUCH Weizmann Institute of Science N CoI: Prof. Shrinivas R. Kulkarni California Institute of Technology N CoI: Prof. Claes Fransson Stockholm University N CoI: Dr. Christoffer Fremling California Institute of Technology N CoI: Prof. Ariel Goobar Stockholm University N CoI: Anna Yen Qin Ho Cornell University N CoI: Prof. Assaf Horesh The Hebrew University N CoI: Mr. Ido Irani Weizmann Institute of Science N CoI: Dr. Adam Miller Northwestern University N CoI: Dr. James D. Neill California Institute of Technology N CoI: Dr. Peter E. Nugent Lawrence Berkeley National Laboratory N CoI: Dr. Daniel Perley Liverpool John Moores University N CoI: Dr. Steve Schulze Stockholm University N CoI: Dr. Jesper Sollerman Stockholm University N CoI: Dr. Maayane Tamar Soumagnac Weizmann Institute of Science N CoI: Dr. Lin Yan California Institute of Technology N CoI: Dr. Yi Yang University of California - Berkeley N CoI: Dr. Ofer Yaron Weizmann Institute of Science N CoI: Dr. Mansi Kasliwal California Institute of Technology N CoI: Dr. Nora Linn Strotjohann Weizmann Institute of Science N CoI: Dr. Sagi Ben-Ami Weizmann Institute of Science N CoI: Dr. Ping Chen Weizmann Institute of Science N CoI: Dr. Tomer Shenar Universiteit van Amsterdam N CoI: Dr. Eran O. Ofek Weizmann Institute of Science N ------------------------------------------------------------------------------------ Abstract Rapid UV spectroscopy of an infant supernova explosion offers compelling science returns and can only be carried out by HST. UV spectra provide a unique insight into the first days of the explosion, a way to determine the initial metallicity and surface composition of the exploding star as well as a probe of the final year of mass loss leading to the terminal SN event, tracing the final stages of pre-explosion stellar evolution. Constraining such progenitor properties of SNe could pave the path to answer the 2020 Decadal Survey question on what powers the diversity of explosive phenomena across the elecromagnetic spectrum. This is only possible with HST in rapid ToO mode. A successful campaign to study an infant stellar explosion in the UV from its very start would benefit from preparations undertaken by STScI. ------------------------------------------------------------------------------------ 17205( 6) - 22-May-2023 18:59:54 - [ 2] Observations Description ------------------------ This rapid ToO necessitates a disruption of regular HST operations, we propose to make full use of this disruption, and undertake a series of 5 visits. The first visit should occur as soon as operationally possible. Therefore ideally we would want to have an activation time of 2-3 days after trigger. However, in case this is not possible, in some cases we would be able to achieve our science goals even with a 5 day activation time. We fiducially suggest visits 2 and 3 that to be spaced at about 10 and 20 hours after visit 1 (i.e a 10 hour cadence from the first visit). However, the exact spacing will depend on HST tecnical constraints, and a more relaxed and uneven cadance between all 3 first visits is possible with a range between 10-24 hours between visits, optimized to avoid SAA and that conforms to scheduling constraints, and should provide useful science as well. Within the first 3 visits we plan a 5-orbit sequence interspersing a joint optical blue (G430L) and red (G750L) orbit among 4 UV (G230LB) orbits. This will allow to monitor the UV evolution of the spectrum on an orbit timescale. Should there be a critical operational need for shorter visits, we would be able to compliment a 4-orbit UV-only visit with high quality spectra from ground instruments. In the next 2 visits we propose to have the B/R visit at the end of 2-3 consecutive UV orbits (longer UV and shorter optical exposures with time), based on previous work showing that within days the UV emission drops, while the optical is on the rise. Visits 4-5 then follow 2 - 3 and 4 - 5 days later, with the goal of mapping the CSM distribution by observing the UV lines disappear. These late visits will be shorter (4 and 3 orbits, of which one split among B and R grisms in each visit), as their main goal could be achieved using just the strongest lines. ------------------------------------------------------------------------------------ 17205( 6) - 22-May-2023 18:59:54 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023IXF EXT-STAR, SUPERNOVA RA=14H03M38.5550S, J2000 Z = V = 14 +/- 0.2 TYPE II DEC=+54D18'42.09" 0.0008 Reference Frame: ICRS Extended: NO Comments: This is a once in a decade nearby SN. ------------------------------------------------------------------------------------------------------------------------------------ 17205( 6) - 22-May-2023 18:59:54 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type STIS-ALONG-SLIT Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 0.5 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 90.0 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type STIS-ALONG-SLIT Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.5 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 90.0 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 17205( 6) - 22-May-2023 18:59:54 - [ 5] Visit: 01 (Discovery) Visit Requirements: SCHED 100%; BEFORE 23-MAY-2023:00:00:00; TOO RESPONSE TIME 2.0D 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 SN2023IXF STIS/CCD ACQ 50CCD MIRROR ACQTYPE=POINT 1 0.5 S (0.5 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 2 see below (1944 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 3 see below (2307 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 4 see below (2307 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 5 see below (2304 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SN2023IXF STIS/CCD ACCUM 52X0.2 G750L 7751 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 7 see below (984 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 SN2023IXF STIS/CCD ACCUM 52X0.2 G430L 4300 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 8 see below (1066 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 1 STIS/CCD ACQ 50CCD MIRROR none none none none 1 N/A SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 1 648.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 2 769.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 3 769.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 3 769.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 3 769.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 4 768.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 4 768.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 4 768.0 S CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 5 N/A CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 5 N/A SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G750L 7751 1 none none none 5 492.0 S SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G750L 7751 2 none none none 5 492.0 S SN2023IXF 8 STIS/CCD ACCUM 52X0.2 G430L 4300 1 none none none 5 492.0 S SN2023IXF 8 STIS/CCD ACCUM 52X0.2 G430L 4300 2 none none none 5 574.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 7] Visit: 02 (Followup 1) Visit Requirements: SCHED 100%; TOO RESPONSE TIME 2.0D 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 SN2023IXF STIS/CCD ACQ 50CCD MIRROR ACQTYPE=POINT 1 0.5 S (0.5 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 2 see below (1944 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 3 see below (2307 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 4 see below (2307 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 5 see below (2304 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SN2023IXF STIS/CCD ACCUM 52X0.2 G750L 7751 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 7 see below (984 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 SN2023IXF STIS/CCD ACCUM 52X0.2 G430L 4300 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 8 see below (1066 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 1 STIS/CCD ACQ 50CCD MIRROR none none none none 1 N/A SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 1 648.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 2 769.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 3 769.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 3 769.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 3 769.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 4 768.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 4 768.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 4 768.0 S CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 5 N/A CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 5 N/A SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G750L 7751 1 none none none 5 492.0 S SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G750L 7751 2 none none none 5 492.0 S SN2023IXF 8 STIS/CCD ACCUM 52X0.2 G430L 4300 1 none none none 5 492.0 S SN2023IXF 8 STIS/CCD ACCUM 52X0.2 G430L 4300 2 none none none 5 574.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 9] Visit: 03 (Followup 2) Visit Requirements: SCHED 100%; TOO RESPONSE TIME 2.0D 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 SN2023IXF STIS/CCD ACQ 50CCD MIRROR ACQTYPE=POINT 1 0.5 S (0.5 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 2 see below (1944 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 3 see below (2307 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 4 see below (2307 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 5 see below (2304 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SN2023IXF STIS/CCD ACCUM 52X0.2 G750L 7751 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 7 see below (984 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 SN2023IXF STIS/CCD ACCUM 52X0.2 G430L 4300 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 8 see below (1066 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 1 STIS/CCD ACQ 50CCD MIRROR none none none none 1 N/A SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 1 648.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 2 769.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 3 769.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 3 769.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 3 769.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 4 768.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 4 768.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 4 768.0 S CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 5 N/A CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 5 N/A SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G750L 7751 1 none none none 5 492.0 S SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G750L 7751 2 none none none 5 492.0 S SN2023IXF 8 STIS/CCD ACCUM 52X0.2 G430L 4300 1 none none none 5 492.0 S SN2023IXF 8 STIS/CCD ACCUM 52X0.2 G430L 4300 2 none none none 5 574.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 11] Visit: 04 (Followup 3) Visit Requirements: SCHED 100%; TOO RESPONSE TIME 2.0D 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 SN2023IXF STIS/CCD ACQ 50CCD MIRROR ACQTYPE=POINT 1 0.5 S (0.5 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 2 see below (1944 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 3 see below (2307 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO 1 700 S PATTERN 1 4 see below (2304 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN2023IXF STIS/CCD ACCUM 52X0.2 G750L 7751 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 6 see below (1024 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SN2023IXF STIS/CCD ACCUM 52X0.2 G430L 4300 BINAXIS1=1, CR-SPLIT=NO 1 500 S PATTERN 2 7 see below (1024 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 1 STIS/CCD ACQ 50CCD MIRROR none none none none 1 N/A SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 1 648.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 2 769.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 2 769.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 3 768.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 3 768.0 S SN2023IXF 4 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 3 768.0 S CCDFLAT 5 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 4 N/A 17205( 6) - 22-May-2023 18:59:54 - [ 12] 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 | ------------------------------------------------------------------------------------------------------------------------------------ CCDFLAT 5 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 4 N/A SN2023IXF 6 STIS/CCD ACCUM 52X0.2 G750L 7751 1 none none none 4 512.0 S SN2023IXF 6 STIS/CCD ACCUM 52X0.2 G750L 7751 2 none none none 4 512.0 S SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G430L 4300 1 none none none 4 512.0 S SN2023IXF 7 STIS/CCD ACCUM 52X0.2 G430L 4300 2 none none none 4 512.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 13] Visit: 05 (Followup 4) Visit Requirements: SCHED 100%; TOO RESPONSE TIME 2.0D 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 SN2023IXF STIS/CCD ACQ 50CCD MIRROR ACQTYPE=POINT 1 0.5 S (0.5 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO, 1 700 S PATTERN 1 2 GAIN=4 see below (1944 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2023IXF STIS/CCD ACCUM 52X0.2 G230LB 2375 BINAXIS1=1, CR-SPLIT=NO, 1 700 S PATTERN 1 3 GAIN=4 see below (2304 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN2023IXF STIS/CCD ACCUM 52X0.2 G750L 7751 BINAXIS1=1, CR-SPLIT=NO, 1 500 S PATTERN 2 5 GAIN=4 see below (984 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN2023IXF STIS/CCD ACCUM 52X0.2 G430L 4300 BINAXIS1=1, CR-SPLIT=NO, 1 500 S PATTERN 2 6 GAIN=4 see below (1066 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2023IXF 1 STIS/CCD ACQ 50CCD MIRROR none none none none 1 N/A SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 1 648.0 S SN2023IXF 2 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 1 648.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 1 none none none 2 768.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 2 none none none 2 768.0 S SN2023IXF 3 STIS/CCD ACCUM 52X0.2 G230LB 2375 3 none none none 2 768.0 S CCDFLAT 4 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 3 N/A CCDFLAT 4 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 3 N/A SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G750L 7751 1 none none none 3 492.0 S SN2023IXF 5 STIS/CCD ACCUM 52X0.2 G750L 7751 2 none none none 3 492.0 S SN2023IXF 6 STIS/CCD ACCUM 52X0.2 G430L 4300 1 none none none 3 492.0 S SN2023IXF 6 STIS/CCD ACCUM 52X0.2 G430L 4300 2 none none none 3 574.0 S 17205( 6) - 22-May-2023 18:59:54 - [ 14] Summary Form for Proposal 17205 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 50CCD, 52X0.1, 52X0.2 ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ACQTYPE=POINT, BINAXIS1=1, CR-SPLIT=NO, GAIN=4 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BEFORE 23-MAY-2023:00:00:00, PATTERN 1 2, PATTERN 1 3, PATTERN 1 4, PATTERN 1 5, PATTERN 2 5, PATTERN 2 6, PATTERN 2 7, PATTERN 2 8, SCHED 100%, TOO RESPONSE TIME 2.0D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements G230LB, G430L, G750L, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names CCDFLAT, SN2023IXF ------------------------------------------------------------------------------------------------------------------------------------