18105( 5) - 02-Dec-2025 19:17:02 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18105 Version: 5 Check-in Time: 02-Dec-2025 19:17:02 STScI Edit Number: 0 Title HST Superluminous Supernova UV Legacy Program ------------------------------------------------------------------------------------ Type Cycle GO 33 ------------------------------------------------------------------------------------ Investigators Contact? PI: Prof. Robert M. Quimby San Diego State University Y CoI: Prof. Edo Berger Harvard University N CoI: Dr. Peter Blanchard Harvard University N CoI: Dr. Ting-Wan Chen National Central University N CoI: Prof. Jeff Cooke Swinburne University of Technology N CoI: Dr. Annalisa De Cia European Southern Observatory - Germany N CoI: Dr. Luc Dessart CNRS, Institut d'Astrophysique de Paris N CoI: Prof. Claes Fransson Stockholm University N CoI: Dr. Andrew S. Fruchter Space Telescope Science Institute N CoI: Dr. Sebastian Gomez University of Texas at Austin N CoI: Prof. Chiaki Kobayashi University of Hertfordshire N CoI: Dr. Ragnhild Lunnan Stockholm University N CoI: Prof. Paolo A. Mazzali Liverpool John Moores University N CoI: Dr. Takashi Moriya National Astronomical Observatory of Japan N (NAOJ) CoI: Dr. Matt Nicholl Queen's University Belfast N CoI: Prof. Ken'ichi Nomoto Institute for Physics and Mathematics of N the Universe CoI: Dr. Ferdinando Patat European Southern Observatory - Germany N CoI: Dr. Daniel Perley Liverpool John Moores University N CoI: Dr. Steve Schulze Northwestern University N CoI: Dr. Jason Spyromilio European Southern Observatory - Germany N CoI: Dr. Daniel Whalen University of Portsmouth N CoI: Dr. Lin Yan California Institute of Technology N ------------------------------------------------------------------------------------ Abstract Shining 5--10 magnitudes brighter in the UV than more common types of supernovae, superluminous supernovae (SLSNe) can potentially be detected to z~20 and used to measure cosmic chemical and star formation histories, the high-mass end of the stellar initial mass function, galaxy outflows and evolution, and they serve as one of our only probes of the very high redshift universe. However, to exploit this potential we must improve our understanding of SLSN FUV features so that we can distinguish their redshifted appearance from other, rare transient events, as only the rest-frame FUV will be observed for all detections at z>4 and even for JWST for the earliest events. The FUV bands also contain unique information that will shine new light on the power sources of SLSNe and the late-phase evolution of their massive star progenitors. We propose to observe 6 low-redshift (roughly z<0.15) SLSNe in Cycle 33 using COS and STIS to cover the FUV through the NUV. These observations will produce the first pre-peak FUV SLSNe spectra, the first high-quality FUV spectral time series of SLSNe, vastly increase the available sample of SLSNe with rest-frame FUV spectra, and distinguish the set of UV spectral features common among low-redshift SLSNe from those that contribute to the diversity 18105( 5) - 02-Dec-2025 19:17:02 - [ 2] of the population. Together with supporting ground-based observations, this program will define an unprecedented legacy sample that will bring observers and theorists alike into the JWST and Roman Space Telescope era. ------------------------------------------------------------------------------------ Observations Description ------------------------ This program aims to observe the far-ultraviolet (FUV) to near-ultraviolet (NUV) spectral evolution of six superluminous supernovae (SLSNe) using COS (G140L) and STIS (G230L + G430L). Two of the targets will be observed via disruptive Target-of-Opportunity (ToO) triggers, and the remaining four via non-disruptive ToO triggers. Each ToO trigger will initiate a multi-epoch sequence of observations. Each epoch will consist of three consecutive COS orbits followed by one STIS orbit. The two disruptive triggers will each include three epochs, spaced by approximately three weeks (with exact cadence determined at the time of ToO activation). The four non-disruptive triggers will include two epochs each, with a similar spacing. ------------------------------------------------------------------------------------ 18105( 5) - 02-Dec-2025 19:17:02 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 7 SN2025AFCR EXT-STAR, SUPERNOVA RA=12H38M41.7740S +/- 0.3", J2000 V = 17.8 +/- 0.5 DEC=+07D36'37.68" +/- 0.3" Reference Frame: ICRS Extended: NO Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 0.0 0.0 0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 18105( 5) - 02-Dec-2025 19:17:02 - [ 4] TARGET LIST Generic Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Selection Criteria | Flux data No | Name | Description | | ------------------------------------------------------------------------------------------------------------------------------------ 1 SLSN1 OTHER: SPECTROSCOPICALLY CONFIRMED V = 18 SLSN Comments: Disruptive ToO of a nearby SLSN ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN2 SPECTROSCOPICALLY CONFIRMED SLSN V = 18 Comments: Disruptive ToO of a nearby SLSN ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN3 SPECTROSCOPICALLY CONFIRMED SLSN V = 18 Comments: non-disruptive ToO of a SLSN ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN4 SPECTROSCOPICALLY CONFIRMED SLSN V = 18 Comments: non-disruptive ToO of a SLSN ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN5 SPECTROSCOPICALLY CONFIRMED SLSN V = 18 Comments: non-disruptive ToO of a SLSN ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN6 SPECTROSCOPICALLY CONFIRMED SLSN V = 18 Comments: non-disruptive ToO of a SLSN ------------------------------------------------------------------------------------------------------------------------------------ 18105( 5) - 02-Dec-2025 19:17:02 - [ 5] Visit: 01 (COS visit 1 for SLSN 1) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 5.0D On Hold Comments: Target of Opportunity 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 SLSN1 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN1 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN1 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN1 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 7] Visit: 02 (STIS visit 1 for SLSN 1) Visit Requirements: GROUP 02, 01 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN1 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN1 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN1 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN1 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN1 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN1 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 8] Visit: 03 (COS visit 2 for SLSN 1) Visit Requirements: AFTER 01 BY 21 D TO 28 D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN1 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN1 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 9] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN1 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN1 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 10] Visit: 04 (STIS visit 2 for SLSN 1) Visit Requirements: GROUP 04, 03 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN1 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN1 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN1 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN1 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN1 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN1 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 11] Visit: 05 (COS visit 3 for SLSN 1) Visit Requirements: AFTER 01 BY 40 D TO 60 D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN1 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN1 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN1 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN1 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN1 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN1 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 13] Visit: 06 (STIS visit 3 for SLSN 1) Visit Requirements: GROUP 06, 05 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN1 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN1 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN1 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN1 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN1 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN1 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN1 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 14] Visit: 07 (COS visit 1 for SLSN 2) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 5.0D On Hold Comments: Target of Opportunity 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 SLSN2 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN2 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 15] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN2 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN2 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 16] Visit: 08 (STIS visit 1 for SLSN 2) Visit Requirements: GROUP 08, 07 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN2 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN2 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN2 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN2 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN2 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 17] Visit: 09 (COS visit 2 for SLSN 2) Visit Requirements: AFTER 07 BY 21 D TO 28 D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN2 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN2 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 18] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN2 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN2 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 19] Visit: 10 (STIS visit 2 for SLSN 2) Visit Requirements: GROUP 10, 09 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN2 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN2 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN2 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN2 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN2 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 20] Visit: 11 (COS visit 3 for SLSN 2) Visit Requirements: AFTER 07 BY 40 D TO 60 D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN2 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN2 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN2 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN2 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 21] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN2 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN2 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 22] Visit: 12 (STIS visit 3 for SLSN 2) Visit Requirements: GROUP 12, 11 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN2 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN2 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN2 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN2 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN2 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN2 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 23] Visit: 13 (COS visit 1 for SLSN 3) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: Target of Opportunity 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 SN2025AFCR COS/NUV ACQ/IMA PSA MIRRORB 1 141 S (141 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 400 S G FP-POS=ALL see below (1672 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=1 see below (1209 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=2 see below (1209 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=3 see below (1209 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=4 see below (1209 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2025AFCR 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 418.0 S G SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 418.0 S G SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 418.0 S G SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 418.0 S G SN2025AFCR 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1209.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 24] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2025AFCR 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1209.0 S G SN2025AFCR 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1209.0 S G SN2025AFCR 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1209.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 25] Visit: 14 (STIS visit 1 for SLSN 3) Visit Requirements: GROUP 14, 13 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SN2025AFCR STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2025AFCR STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2025AFCR STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=1800, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2025AFCR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN2025AFCR 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SN2025AFCR 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SN2025AFCR 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 26] Visit: 15 (COS visit 2 for SLSN 3) Visit Requirements: AFTER 13 BY 7 D TO 21 D; ON HOLD On Hold Comments: Target of Opportunity 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 SN2025AFCR COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 400 S G FP-POS=ALL see below (1864 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=1 see below (1209 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=2 see below (1209 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=3 see below (1209 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN2025AFCR COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=8000, 1 1000 S G FP-POS=4 see below (1209 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2025AFCR 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 466.0 S G SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 466.0 S G SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 466.0 S G SN2025AFCR 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 466.0 S G SN2025AFCR 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1209.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 27] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2025AFCR 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1209.0 S G SN2025AFCR 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1209.0 S G SN2025AFCR 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1209.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 28] Visit: 16 (STIS visit 2 for SLSN 3) Visit Requirements: GROUP 16, 15 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SN2025AFCR STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2025AFCR STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2025AFCR STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=1800, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2025AFCR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN2025AFCR 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SN2025AFCR 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SN2025AFCR 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 29] Visit: 17 (COS visit 1 for SLSN 4) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 5.0D On Hold Comments: Target of Opportunity 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 SLSN4 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN4 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN4 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 30] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN4 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN4 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN4 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 31] Visit: 18 (STIS visit 1 for SLSN 4) Visit Requirements: GROUP 18, 17 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN4 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN4 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN4 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN4 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN4 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN4 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN4 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 32] Visit: 19 (COS visit 2 for SLSN 4) Visit Requirements: AFTER 17 BY 21 D TO 28 D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN4 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN4 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN4 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN4 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN4 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 33] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN4 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN4 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN4 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 34] Visit: 20 (STIS visit 2 for SLSN 4) Visit Requirements: GROUP 20, 19 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN4 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN4 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN4 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN4 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN4 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN4 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN4 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 35] Visit: 21 (COS visit 1 for SLSN 5) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 5.0D On Hold Comments: Target of Opportunity 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 SLSN5 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN5 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN5 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 36] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN5 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN5 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN5 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 37] Visit: 22 (STIS visit 1 for SLSN 5) Visit Requirements: GROUP 22, 21 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN5 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN5 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN5 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN5 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN5 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN5 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN5 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 38] Visit: 23 (COS visit 2 for SLSN 5) Visit Requirements: AFTER 22 BY 21 D TO 28 D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN5 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN5 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN5 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN5 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN5 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 39] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN5 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN5 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN5 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 40] Visit: 24 (STIS visit 2 for SLSN 5) Visit Requirements: GROUP 24, 23 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN5 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN5 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN5 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN5 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN5 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN5 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN5 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 41] Visit: 25 (COS visit 1 for SLSN 6) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 5.0D On Hold Comments: Target of Opportunity 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 SLSN6 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN6 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN6 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 42] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN6 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN6 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN6 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 43] Visit: 26 (STIS visit 1 for SLSN 6) Visit Requirements: GROUP 26, 25 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN6 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN6 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN6 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN6 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN6 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN6 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN6 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 44] Visit: 27 (COS visit 2 for SLSN 6) Visit Requirements: AFTER 26 BY 21 D TO 28 D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN6 COS/NUV ACQ/IMA PSA MIRRORB 1 45 S (45 GE S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 400 S G FP-POS=ALL see below (1868 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=1 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=2 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=3 see below (1210 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SLSN6 COS/FUV TIME-TA PSA G140L 1105 FLASH=YES, BUFFER-TIME=6000, 1 1000 S G FP-POS=4 see below (1210 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN6 1 COS/NUV ACQ/IMA PSA MIRRORB none none none none 1 N/A GE SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 1 1 467.0 S G SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 2 1 467.0 S G SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 3 1 467.0 S G SLSN6 2 COS/FUV TIME-TA PSA G140L 1105 none none none 4 1 467.0 S G SLSN6 3 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 45] 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN6 4 COS/FUV TIME-TA PSA G140L 1105 none none none none 2 1210.0 S G SLSN6 5 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G SLSN6 6 COS/FUV TIME-TA PSA G140L 1105 none none none none 3 1210.0 S G 18105( 5) - 02-Dec-2025 19:17:02 - [ 46] Visit: 28 (STIS visit 2 for SLSN 6) Visit Requirements: GROUP 28, 27 WITHIN 1D; ON HOLD On Hold Comments: Target of Opportunity 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 SLSN6 STIS/CCD ACQ F28X50LP MIRROR 1 30 S (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SLSN6 STIS/CCD ACCUM 52X0.2E1 G430L 4300 WAVECAL=NO 1 200 S see below (448 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SLSN6 STIS/NUV TIME-TA 52X0.2 G230L 2376 BUFFER-TIME=600, WAVECAL=NO 1 1200 S -MAMA G see below (1324 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SLSN6 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A WAVE 2 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SLSN6 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 224.0 S SLSN6 3 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 224.0 S SLSN6 4 STIS/NUV TIME-TA 52X0.2 G230L 2376 none none none none 1 1324.0 S -MAMA G WAVE 5 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18105( 5) - 02-Dec-2025 19:17:02 - [ 47] Summary Form for Proposal 18105 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 52X0.2, 52X0.2E1, F28X50LP, PSA ------------------------------------------------------------------------------------------------------------------------------------ Configurations COS/FUV, COS/NUV, STIS/CCD, STIS/NUV-MAMA ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ, ACQ/IMAGE, TIME-TAG ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters BUFFER-TIME=1800, BUFFER-TIME=600, BUFFER-TIME=6000, BUFFER-TIME=8000, FLASH=YES, FP-POS=1, FP-POS=2, FP-POS=3, FP-POS=4, FP-POS=ALL, WAVECAL=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 21 D TO 28 D, AFTER 01 BY 40 D TO 60 D, AFTER 07 BY 21 D TO 28 D, AFTER 07 BY 40 D TO 60 D, AFTER 13 BY 7 D TO 21 D, AFTER 17 BY 21 D TO 28 D, AFTER 22 BY 21 D TO 28 D, AFTER 26 BY 21 D TO 28 D, GROUP 02, 01 WITHIN 1D, GROUP 04, 03 WITHIN 1D, GROUP 06, 05 WITHIN 1D, GROUP 08, 07 WITHIN 1D, GROUP 10, 09 WITHIN 1D, GROUP 12, 11 WITHIN 1D, GROUP 14, 13 WITHIN 1D, GROUP 16, 15 WITHIN 1D, GROUP 18, 17 WITHIN 1D, GROUP 20, 19 WITHIN 1D, GROUP 22, 21 WITHIN 1D, GROUP 24, 23 WITHIN 1D, GROUP 26, 25 WITHIN 1D, GROUP 28, 27 WITHIN 1D, ON HOLD , TOO RESPONSE TIME 21.0D, TOO RESPONSE TIME 5.0D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements G140L, G230L, G430L, MIRROR, MIRRORB ------------------------------------------------------------------------------------------------------------------------------------ Target Names SLSN1, SLSN2, SLSN4, SLSN5, SLSN6, SN2025AFCR, WAVE ------------------------------------------------------------------------------------------------------------------------------------