14611( 13) - 16-Jun-2017 14:46:30 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 14611 Version: 13 Check-in Time: 16-Jun-2017 14:46:30 STScI Edit Number: 3 Title Going gently into the night: constraining Type Ia supernova nucleosynthesis using late-time photometry ------------------------------------------------------------------------------------ Type Cycle GO 24 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Or Graur Harvard University Y CoI: Dr. Daniel J. Eisenstein Harvard University N CoI: Dr. Benjamin John Shappee Carnegie Institution of Washington N CoI: Dr. Michael Shara American Museum of Natural History N CoI: Dr. David R. Zurek American Museum of Natural History N CoI: Dr. Ivo Seitenzahl Australian National University N CoI: Dr. Adam Riess The Johns Hopkins University N CoI: Dr. Armin Rest Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract We propose to use WFC3 photometry to construct the optical light curves of the nearby Type Ia supernovae SN 2015F and ASASSN-14lp at late times (>500 days after maximum light). These light curves will allow us to conduct a fundamental test of the theoretically predicted behavior of Type Ia supernova light curves at late times. We will observationally determine whether the nuclear physics of Type Ia supernova ejecta are solely determined by the radioactive decay of 56Co to 56Fe, or whether (and by how much) other nuclear heating mechanisms (such as the leptonic decays of 57Co) become discernible, as predicted. The spatial resolution of HST+WFC3 is crucial to the success of this experiment. At these late times, the fading supernovae are as bright as other surrounding objects (bright stars, star clusters), which would dominate the point-spread functions of ground-based observatories. Due to the rarity of nearby Type Ia supernovae, this experiment will double the sample of supernovae for which this experiment has been conducted and cut the uncertainty on the results by half. Moreover, if this experiment is not conducted in Cycle 24, it is highly unlikely that we would be able to perform it again during the remaining lifetime of HST. ------------------------------------------------------------------------------------ Observations Description ------------------------ We propose to observe the late-time light curves of two Type Ia supernovae (SNe Ia) with WFC3. Due to HST's visibility constraints, we will observe SN 2015F eight times (visits 01-08 in this proposal) and ASASSN-14lp five times (visits 09-13). To minimize the number of orbits used, the visits to each SN will alternate between one single orbit with F555W, and two orbits split between F555W, F438W, F625W, and F814W. This setup will allow us to construct the quasi-bolometric light curves of the SNe, with the added insurance of a high S/N F555W light curve, in case the S/N in any of the other filters is too low to construct the quasi-bolometric light curve. These two options will be sufficient for us to detect the anticipated change in the light curves predicted from the decay of 57Co. The colors we measure here will also allow us to determine whether either of the two target SNe become contaminated by light 14611( 13) - 16-Jun-2017 14:46:30 - [ 2] echoes. Unfortunately, there are no previous HST observations of the locations of these SNe (GO-13646 imaged the host-galaxy of SN 2015F, but the pointing did not include the location of the SN). Thus, our first visit to each SN will act as a test to determine the effect of the galaxy's diffuse background light on the observations and the S/N of the SN in each filter. We may have to adjust the exposure time we request for each filter for the following visits accordingly. In each orbit, we request a 3-point line dither and use the UVIS2 aperture in order to minimize the effects of CTE, while maximizing the field and taking into account the telescope's rotation between epochs. ------------------------------------------------------------------------------------ 14611( 13) - 16-Jun-2017 14:46:30 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2015F EXT-STAR, SUPERNOVA RA=07H36M15.7600S, J2000 V = 23 +/- 0.5 TYPE IA DEC=-69D30'23.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 2 ASASSN-14LP EXT-STAR, SUPERNOVA RA=12H45M9.1000S, J2000 V = 25 +/- 0.5 TYPE IA DEC=-00D27'32.50" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 14611( 13) - 16-Jun-2017 14:46:30 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE-3PT Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 0.135 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 14611( 13) - 16-Jun-2017 14:46:30 - [ 5] Visit: 01 (SN2015F +595) Visit Requirements: BETWEEN 06-NOV-2016:00:00:00 AND 16-NOV-2016:00:00:00 On Hold Comments: Additional Comments: The first visit to SN2015F. We'll take images in F438W, F555W, F625W, and F814W. This initial observation will test whether the images are background limited in any of these filters. The results of this test will then decide whether, in following visits, we'll make changes to filters and exposure times. 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 SN2015F WFC3/UVI ACCUM UVIS2 F438W FLASH=8 1 422 S PATTERN 1 1 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2015F WFC3/UVI ACCUM UVIS2 F625W 1 422 S PATTERN 1 2 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 465 S PATTERN 1 3 S (1395 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2015F WFC3/UVI ACCUM UVIS2 F814W FLASH=2 1 422 S PATTERN 1 4 S (1266 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 3 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 7] Visit: 02 (SN2015F +645) Visit Requirements: BETWEEN 25-DEC-2016:00:00:00 AND 09-JAN-2017:00:00:00 On Hold Comments: Additional Comments: The second visit to SN2015F, this will be one orbit spent fully on F555W. However, if the previous visit revealed that the observations were background-limited, we will amend this (and subsequent) orbits to include more spectral elements. 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 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 425 S PATTERN 1 1 S (1275 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2015F WFC3/UVI ACCUM UVIS2 F814W FLASH=2 1 425 S PATTERN 1 2 S (1275 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 1 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 8] Visit: 03 (SN2015F +695) Visit Requirements: BETWEEN 13-FEB-2017:00:00:00 AND 21-FEB-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2015F WFC3/UVI ACCUM UVIS2 F438W FLASH=8 1 422 S PATTERN 1 1 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 422 S PATTERN 1 2 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2015F WFC3/UVI ACCUM UVIS2 F625W 1 443 S PATTERN 1 3 S (1329 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2015F WFC3/UVI ACCUM UVIS2 F814W FLASH=2 1 443 S PATTERN 1 4 S (1329 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 3 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 9] Visit: 04 (SN2015F +748) Visit Requirements: BETWEEN 08-APR-2017:00:00:00 AND 13-APR-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 425 S PATTERN 1 1 S (1275 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2015F WFC3/UVI ACCUM UVIS2 F625W 1 425 S PATTERN 1 2 S (1275 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 10] Visit: 05 (SN2015F +770) Visit Requirements: BETWEEN 02-MAY-2017:00:00:00 AND 05-MAY-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2015F WFC3/UVI ACCUM UVIS2 F438W FLASH=8 1 422 S PATTERN 1 1 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 422 S PATTERN 1 2 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2015F WFC3/UVI ACCUM UVIS2 F625W 1 443 S PATTERN 1 3 S (1329 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2015F WFC3/UVI ACCUM UVIS2 F814W FLASH=2 1 443 S PATTERN 1 4 S (1329 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 3 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 11] Visit: 06 (SN2015F +821) Visit Requirements: BETWEEN 18-JUN-2017:00:00:00 AND 28-JUN-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 986 S PATTERN 1 1 S (2958 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 12] Visit: 07 (SN2015F +870) Visit Requirements: BETWEEN 06-AUG-2017:00:00:00 AND 14-AUG-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2015F WFC3/UVI ACCUM UVIS2 F438W FLASH=8 1 422 S PATTERN 1 1 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN2015F WFC3/UVI ACCUM UVIS2 F625W 1 422 S PATTERN 1 2 S (1266 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 465 S PATTERN 1 3 S (1395 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN2015F WFC3/UVI ACCUM UVIS2 F814W FLASH=2 1 422 S PATTERN 1 4 S (1266 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F438W 3 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S SN2015F 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 2 N/A S SN2015F 3 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 2 N/A S SN2015F 4 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 13] Visit: 08 (SN2015F +922) Visit Requirements: BETWEEN 28-SEP-2017:00:00:00 AND 05-OCT-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN2015F WFC3/UVI ACCUM UVIS2 F555W 1 986 S PATTERN 1 1 S (2958 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 14] Visit: 09 (ASASSN-14lp +850) Visit Requirements: BETWEEN 20-APR-2017:00:00:00 AND 26-APR-2017:00:00:00 On Hold Comments: Additional Comments: The first visit to ASASSN-14lp. We'll take images in F438W, F555W, F625W, and F814W. This initial observation will test whether the images are background limited in any of these filters. The results of this test will then decide whether, in following visits, we'll make changes to filters and exposure times. 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 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F438W FLASH=8 1 380 S GS ACQ SCENARIO SINGLE; S (1140 S) PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F625W FLASH=1 1 378 S PATTERN 1 2 S (1134 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F555W FLASH=1 1 400 S PATTERN 1 3 S (1200 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F814W FLASH=3 1 384 S PATTERN 1 4 S (1152 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 | ------------------------------------------------------------------------------------------------------------------------------------ ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 1 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 2 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 3 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 2 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 2 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 16] Visit: 10 (ASASSN-14lp +877) Visit Requirements: BETWEEN 17-MAY-2017:00:00:00 AND 23-MAY-2017:00:00:00 On Hold Comments: Additional Comments: The second visit to ASASSN-14lp, this will be one orbit spent fully on F555W. However, if the previous visit revealed that the observations were background-limited, we will amend this (and subsequent) orbits to include more spectral elements. 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 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F555W FLASH=1 1 381 S GS ACQ SCENARIO SINGLE; S (1143 S) PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F625W FLASH=1 1 380 S PATTERN 1 2 S (1140 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 | ------------------------------------------------------------------------------------------------------------------------------------ ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 17] Visit: 11 (ASASSN-14lp +904) Visit Requirements: BETWEEN 13-JUN-2017:00:00:00 AND 19-JUN-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F438W FLASH=8 1 380 S GS ACQ SCENARIO SINGLE; S (1140 S) PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F625W FLASH=1 1 378 S PATTERN 1 2 S (1134 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F555W FLASH=1 1 400 S PATTERN 1 3 S (1200 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F814W FLASH=3 1 384 S PATTERN 1 4 S (1152 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 | ------------------------------------------------------------------------------------------------------------------------------------ ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 1 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 2 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 3 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 2 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 2 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 18] Visit: 12 (ASASSN-14lp +931) Visit Requirements: BETWEEN 10-JUL-2017:00:00:00 AND 16-JUL-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F555W FLASH=1 1 381 S GS ACQ SCENARIO SINGLE; S (1143 S) PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F625W FLASH=1 1 380 S PATTERN 1 2 S (1140 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 | ------------------------------------------------------------------------------------------------------------------------------------ ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 19] Visit: 13 (ASASSN-14lp +958) Visit Requirements: BETWEEN 06-AUG-2017:00:00:00 AND 12-AUG-2017:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F438W FLASH=8 1 380 S GS ACQ SCENARIO SINGLE; S (1140 S) PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F625W FLASH=1 1 378 S PATTERN 1 2 S (1134 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F555W FLASH=1 1 400 S PATTERN 1 3 S (1200 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ASASSN-14LP WFC3/UVI ACCUM UVIS2 F814W FLASH=3 1 384 S PATTERN 1 4 S (1152 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 | ------------------------------------------------------------------------------------------------------------------------------------ ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 1 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 2 none none none 1 N/A S ASASSN-14LP 1 WFC3/UVI ACCUM UVIS2 F438W 3 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S ASASSN-14LP 2 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 1 none none none 2 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 2 none none none 2 N/A S ASASSN-14LP 3 WFC3/UVI ACCUM UVIS2 F555W 3 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 1 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 2 none none none 2 N/A S ASASSN-14LP 4 WFC3/UVI ACCUM UVIS2 F814W 3 none none none 2 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 20] Visit: 14 (SN 2015F (06A)) Visit Requirements: AFTER 06 BY 0 D TO 30 D On Hold Comments: Additional Comments: This is the additional orbit approved by the TTRB, to make up for not splitting visit 06 between F555W and F625W. 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 SN2015F WFC3/UVI ACCUM UVIS2 F625W 1 900 S PATTERN 1 1 S (2700 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 | ------------------------------------------------------------------------------------------------------------------------------------ SN2015F 1 WFC3/UVI ACCUM UVIS2 F625W 1 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F625W 2 none none none 1 N/A S SN2015F 1 WFC3/UVI ACCUM UVIS2 F625W 3 none none none 1 N/A S 14611( 13) - 16-Jun-2017 14:46:30 - [ 21] Summary Form for Proposal 14611 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS2 ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=1, FLASH=2, FLASH=3, FLASH=8 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 06 BY 0 D TO 30 D, BETWEEN 02-MAY-2017:00:00:00 AND 05-MAY-2017:00:00:00, BETWEEN 06-AUG-2017:00:00:00 AND 12-AUG-2017:00:00:00, BETWEEN 06-AUG-2017:00:00:00 AND 14-AUG-2017:00:00:00, BETWEEN 06-NOV-2016:00:00:00 AND 16-NOV-2016:00:00:00, BETWEEN 08-APR-2017:00:00:00 AND 13-APR-2017:00:00:00, BETWEEN 10-JUL-2017:00:00:00 AND 16-JUL-2017:00:00:00, BETWEEN 13-FEB-2017:00:00:00 AND 21-FEB-2017:00:00:00, BETWEEN 13-JUN-2017:00:00:00 AND 19-JUN-2017:00:00:00, BETWEEN 17-MAY-2017:00:00:00 AND 23-MAY-2017:00:00:00, BETWEEN 18-JUN-2017:00:00:00 AND 28-JUN-2017:00:00:00, BETWEEN 20-APR-2017:00:00:00 AND 26-APR-2017:00:00:00, BETWEEN 25-DEC-2016:00:00:00 AND 09-JAN-2017:00:00:00, BETWEEN 28-SEP-2017:00:00:00 AND 05-OCT-2017:00:00:00, GS ACQ SCENARIO SINGLE, PATTERN 1 1, PATTERN 1 2, PATTERN 1 3, PATTERN 1 4 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F438W, F555W, F625W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ASASSN-14LP, SN2015F ------------------------------------------------------------------------------------------------------------------------------------