17500( 6) - 14-Jun-2024 16:17:00 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17500 Version: 6 Check-in Time: 14-Jun-2024 16:17:00 STScI Edit Number: 2 Title Expansion and Evolution of the Crab Nebula: A 23+ Year HST Perspective ------------------------------------------------------------------------------------ Type Cycle GO 31 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. William P. Blair The Johns Hopkins University Y CoI: Dr. Ravi Sankrit Space Telescope Science Institute Y CoI: Dr. Tea Temim Princeton University Y CoI: J. Martin Laming Naval Research Laboratory N CoI: Dr. Patrick Slane Smithsonian Institution Astrophysical N Observatory CoI: Dr. Dan Milisavljevic Purdue University N ------------------------------------------------------------------------------------ Abstract The Crab Nebula is an iconic and well-studied galactic core-collapse supernova remnant with an active pulsar energizing an expanding debris field created in the 1054 CE explosion. Because of its proximity and known age, it has become a key object for study across the EM spectrum. It is thus surprising that no emission line imagery has been obtained with HST since the WPFC2 mosaic dating to circa 2000. With an expansion velocity of roughly 1250 km/s and a distance of ~2 kpc, significant and spatially variable proper motions of the filamentary structures are expected, as well as possible changes in the detailed ionization structures and evolution of the synchrotron nebula over time. Many more recent data sets, including JWST Cycle 1 NIR and MIR images of the filaments, dust, and synchrotron emission, require a current epoch of HST optical imaging to make accurate comparisons. Thus, we propose new emission line mosaics of the Crab with WFC3 and filters comparable to those use in the earlier WFPC2 mosaic. A continuum band (F547M) will sample the synchrotron emission and allow subtraction from the emission line data. We also propose a second continuum band (F763M) which will be used to study spatial spectral index variations and compare to JWST IR synchrotron maps when they are available. Finally, a two F487N (Hbeta) fields will provide a clean hydrogen linemap for the central bright filaments, permitting improved abundance studies. Finally, since comparison to the earlier WFPC2 data are so important, we will reprocess these data to the same standards and reference frame as the new WFC3 data and archive all as a High Level Science Product. ------------------------------------------------------------------------------------ Observations Description ------------------------ For the imaging mosaics with the F502N, F547M, F631N and F673N filters, the goal is to duplicate the field coverage and depth of the earlier WFPC2 mosaics with similar filters. Since the relative throughput of WFC3 relative to WFPC2 as a function of wavelength is well known (Fig. 1 in HDocs article ``HST Primer: Scientific Instrument Comparisons''), as are the exposure times used previously, it is straightforward to calculate comparable exposures times for the proposed WFC3 imagery. All data will be dithered to aid in cosmic ray removal and appropriate FLASH parameters will be specified to (partially) 17500( 6) - 14-Jun-2024 16:17:00 - [ 2] mitigate charge transfer inefficiencies. In addition to duplicating the earlier mosaics, we also request a full mosaic with a second medium continuum band in the red using F763M. This new filter provides a second clean synchrotron map which, in conjunction with the JWST NIR/MIR continuum exposures, will permit a spatial study of spectral index variations within the synchrotron emission. We use 5 orbits per field to provide data that go at least as deep as the WFPC2 data (assuming 2x2 binning of the resultant data) plus obtain the additional F763M data. For the six fields of the mosaic then, we need 30 orbits. Because of the kinematics and filter widths of the various `Halpha' filters in WFC3 and/or the WFPC2 existing data, Halpha emission is hopelessly blended with one or both of the [N II] lines (6548, 6583). We thus request two central WFC3 fields using the F487N filter to obtain clean, current epoch, high spatial resolution hydrogen line (Hbet$) images of the bright interior filaments. A clean hydrogen image will permit abundances with respect to hydrogen to be mapped out in the finest available spatial scales. Our proposed fields also include the majority of a single WFPC2 field that was observed with a comparable Hbeta filter with WFPC2, as well as covering two existing JWST Cy 1 MIRI MRS locations. However, Hbeta is a weaker line and is in the blue where HST response is somewhat lower, so the exposure time required is significantly longer than for the other filters. To obtain S/N comparable to the other emission lines will require 3 additional orbits per field, or 6 orbits total. This makes the full proposal 36 orbits. A word on orientation: The Crab Nebula is at quite low ecliptic latitude and so available angles are limited. There is real benefit to our analysis if, once the program is started at a given orientation, the remaining fields are done at the sme orientation (modulo 180 degrees if necessary). This includes the two Hbeta fields; while these are not aligned specifically with the other mosaic field positions, having the orientation the same will remove the concern that orientation corrections would induce into the abundance analysis. Final (231207): This version has angle fixed to 87 degrees and several field positions were tweaked slightly to account for expansion since the DSS images were obtained. ------------------------------------------------------------------------------------ 17500( 6) - 14-Jun-2024 16:17:00 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC- ISM, SNR RA=05H34M39.7502S, J2000 V = 9 P1 DEC=+21D59'12.09" Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC- ISM, SNR RA=05H34M29.9379S, J2000 V = 9 P2 DEC=+21D59'26.80" Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 3 CRAB-MOSAIC- ISM, SNR RA=05H34M21.2885S, J2000 V = 9 P3 DEC=+22D01'14.58" Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 4 CRAB-MOSAIC- ISM, SNR RA=05H34M38.4733S, J2000 V = 9 P4 DEC=+22D01'8.69" Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 5 CRAB-MOSAIC- ISM, SNR RA=05H34M24.6624S, J2000 V = 9 P5 DEC=+22D02'39.18" Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 17500( 6) - 14-Jun-2024 16:17:00 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 6 CRAB-MOSAIC- ISM, SNR RA=05H34M31.1900S, J2000 V = 9 P6 DEC=+22D02'42.85" Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 7 CRAB-HB-FIEL ISM, SNR RA=05H34M29.2234S, J2000 V = 9 D1 DEC=+21D59'37.35" Reference Frame: Other: SIMBAD ------------------------------------------------------------------------------------------------------------------------------------ 8 CRAB-HB-FIEL ISM, SNR RA=05H34M29.2291S, J2000 V = 9 D2 DEC=+22D01'33.13" Reference Frame: Other: SIMBAD ------------------------------------------------------------------------------------------------------------------------------------ 17500( 6) - 14-Jun-2024 16:17:00 - [ 5] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 2.414 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 85.759 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE-3PT Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 2.414 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 85.759 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 17500( 6) - 14-Jun-2024 16:17:00 - [ 6] Visit: 01 Visit Requirements: ORIENT 87D TO 87 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P1 S ER see below (1262 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P1 S ER see below (1062 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F502N FLASH=20 1 800 S PATTERN 2 3 -P1 S ER see below (2460 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F673N FLASH=15 1 1100 S PATTERN 2 4 -P1 S ER see below (3797 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F631N FLASH=20 1 1100 S PATTERN 2 5 -P1 S ER see below (3983 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P1 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 631.0 S S TER CRAB-MOSAIC-P1 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 631.0 S S TER CRAB-MOSAIC-P1 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 531.0 S S TER CRAB-MOSAIC-P1 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 531.0 S S TER CRAB-MOSAIC-P1 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 2 820.0 S S TER CRAB-MOSAIC-P1 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 820.0 S S TER CRAB-MOSAIC-P1 3 WFC3/UVI ACCUM UVIS-CEN F502N 3 none none none 2 820.0 S S TER CRAB-MOSAIC-P1 4 WFC3/UVI ACCUM UVIS-CEN F673N 1 none none none 3 1301.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 7] 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P1 4 WFC3/UVI ACCUM UVIS-CEN F673N 2 none none none 3 1301.0 S S TER CRAB-MOSAIC-P1 4 WFC3/UVI ACCUM UVIS-CEN F673N 3 none none none 4 1195.0 S S TER CRAB-MOSAIC-P1 5 WFC3/UVI ACCUM UVIS-CEN F631N 1 none none none 4 1383.0 S S TER CRAB-MOSAIC-P1 5 WFC3/UVI ACCUM UVIS-CEN F631N 2 none none none 5 1300.0 S S TER CRAB-MOSAIC-P1 5 WFC3/UVI ACCUM UVIS-CEN F631N 3 none none none 5 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 8] Visit: 02 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P2 S ER see below (1262 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P2 S ER see below (1062 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F502N FLASH=20 1 800 S PATTERN 2 3 -P2 S ER see below (2460 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F673N FLASH=15 1 1100 S PATTERN 2 4 -P2 S ER see below (3888 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F631N FLASH=20 1 1100 S PATTERN 2 5 -P2 S ER see below (3888 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P2 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 631.0 S S TER CRAB-MOSAIC-P2 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 631.0 S S TER CRAB-MOSAIC-P2 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 531.0 S S TER CRAB-MOSAIC-P2 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 531.0 S S TER CRAB-MOSAIC-P2 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 2 820.0 S S TER CRAB-MOSAIC-P2 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 820.0 S S TER CRAB-MOSAIC-P2 3 WFC3/UVI ACCUM UVIS-CEN F502N 3 none none none 2 820.0 S S TER CRAB-MOSAIC-P2 4 WFC3/UVI ACCUM UVIS-CEN F673N 1 none none none 3 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P2 4 WFC3/UVI ACCUM UVIS-CEN F673N 2 none none none 3 1300.0 S S TER CRAB-MOSAIC-P2 4 WFC3/UVI ACCUM UVIS-CEN F673N 3 none none none 4 1288.0 S S TER CRAB-MOSAIC-P2 5 WFC3/UVI ACCUM UVIS-CEN F631N 1 none none none 4 1288.0 S S TER CRAB-MOSAIC-P2 5 WFC3/UVI ACCUM UVIS-CEN F631N 2 none none none 5 1300.0 S S TER CRAB-MOSAIC-P2 5 WFC3/UVI ACCUM UVIS-CEN F631N 3 none none none 5 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 10] Visit: 03 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P3 S ER see below (1262 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P3 S ER see below (1062 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F502N FLASH=20 1 800 S PATTERN 2 3 -P3 S ER see below (2460 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F673N FLASH=15 1 1100 S PATTERN 2 4 -P3 S ER see below (3888 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F631N FLASH=20 1 1100 S PATTERN 2 5 -P3 S ER see below (3888 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P3 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 631.0 S S TER CRAB-MOSAIC-P3 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 631.0 S S TER CRAB-MOSAIC-P3 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 531.0 S S TER CRAB-MOSAIC-P3 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 531.0 S S TER CRAB-MOSAIC-P3 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 2 820.0 S S TER CRAB-MOSAIC-P3 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 820.0 S S TER CRAB-MOSAIC-P3 3 WFC3/UVI ACCUM UVIS-CEN F502N 3 none none none 2 820.0 S S TER CRAB-MOSAIC-P3 4 WFC3/UVI ACCUM UVIS-CEN F673N 1 none none none 3 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 11] 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P3 4 WFC3/UVI ACCUM UVIS-CEN F673N 2 none none none 3 1300.0 S S TER CRAB-MOSAIC-P3 4 WFC3/UVI ACCUM UVIS-CEN F673N 3 none none none 4 1288.0 S S TER CRAB-MOSAIC-P3 5 WFC3/UVI ACCUM UVIS-CEN F631N 1 none none none 4 1288.0 S S TER CRAB-MOSAIC-P3 5 WFC3/UVI ACCUM UVIS-CEN F631N 2 none none none 5 1300.0 S S TER CRAB-MOSAIC-P3 5 WFC3/UVI ACCUM UVIS-CEN F631N 3 none none none 5 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 12] Visit: 04 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P4 S ER see below (1262 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P4 S ER see below (1062 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F502N FLASH=20 1 800 S PATTERN 2 3 -P4 S ER see below (2460 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F673N FLASH=15 1 1100 S PATTERN 2 4 -P4 S ER see below (3888 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F631N FLASH=20 1 1100 S PATTERN 2 5 -P4 S ER see below (3888 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P4 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 631.0 S S TER CRAB-MOSAIC-P4 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 631.0 S S TER CRAB-MOSAIC-P4 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 531.0 S S TER CRAB-MOSAIC-P4 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 531.0 S S TER CRAB-MOSAIC-P4 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 2 820.0 S S TER CRAB-MOSAIC-P4 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 820.0 S S TER CRAB-MOSAIC-P4 3 WFC3/UVI ACCUM UVIS-CEN F502N 3 none none none 2 820.0 S S TER CRAB-MOSAIC-P4 4 WFC3/UVI ACCUM UVIS-CEN F673N 1 none none none 3 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 13] 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P4 4 WFC3/UVI ACCUM UVIS-CEN F673N 2 none none none 3 1300.0 S S TER CRAB-MOSAIC-P4 4 WFC3/UVI ACCUM UVIS-CEN F673N 3 none none none 4 1288.0 S S TER CRAB-MOSAIC-P4 5 WFC3/UVI ACCUM UVIS-CEN F631N 1 none none none 4 1288.0 S S TER CRAB-MOSAIC-P4 5 WFC3/UVI ACCUM UVIS-CEN F631N 2 none none none 5 1300.0 S S TER CRAB-MOSAIC-P4 5 WFC3/UVI ACCUM UVIS-CEN F631N 3 none none none 5 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 14] Visit: 05 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P5 S ER see below (1262 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P5 S ER see below (1062 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F502N FLASH=20 1 800 S PATTERN 2 3 -P5 S ER see below (2460 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F673N FLASH=15 1 1100 S PATTERN 2 4 -P5 S ER see below (3888 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F631N FLASH=20 1 1100 S PATTERN 2 5 -P5 S ER see below (3888 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P5 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 631.0 S S TER CRAB-MOSAIC-P5 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 631.0 S S TER CRAB-MOSAIC-P5 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 531.0 S S TER CRAB-MOSAIC-P5 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 531.0 S S TER CRAB-MOSAIC-P5 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 2 820.0 S S TER CRAB-MOSAIC-P5 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 820.0 S S TER CRAB-MOSAIC-P5 3 WFC3/UVI ACCUM UVIS-CEN F502N 3 none none none 2 820.0 S S TER CRAB-MOSAIC-P5 4 WFC3/UVI ACCUM UVIS-CEN F673N 1 none none none 3 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P5 4 WFC3/UVI ACCUM UVIS-CEN F673N 2 none none none 3 1300.0 S S TER CRAB-MOSAIC-P5 4 WFC3/UVI ACCUM UVIS-CEN F673N 3 none none none 4 1288.0 S S TER CRAB-MOSAIC-P5 5 WFC3/UVI ACCUM UVIS-CEN F631N 1 none none none 4 1288.0 S S TER CRAB-MOSAIC-P5 5 WFC3/UVI ACCUM UVIS-CEN F631N 2 none none none 5 1300.0 S S TER CRAB-MOSAIC-P5 5 WFC3/UVI ACCUM UVIS-CEN F631N 3 none none none 5 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 16] Visit: 06 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P6 S ER see below (1262 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P6 S ER see below (1062 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F502N FLASH=20 1 800 S PATTERN 2 3 -P6 S ER see below (2460 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F673N FLASH=15 1 1100 S PATTERN 2 4 -P6 S ER see below (3888 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F631N FLASH=20 1 1100 S PATTERN 2 5 -P6 S ER see below (3888 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P6 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 631.0 S S TER CRAB-MOSAIC-P6 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 631.0 S S TER CRAB-MOSAIC-P6 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 531.0 S S TER CRAB-MOSAIC-P6 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 531.0 S S TER CRAB-MOSAIC-P6 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 2 820.0 S S TER CRAB-MOSAIC-P6 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 820.0 S S TER CRAB-MOSAIC-P6 3 WFC3/UVI ACCUM UVIS-CEN F502N 3 none none none 2 820.0 S S TER CRAB-MOSAIC-P6 4 WFC3/UVI ACCUM UVIS-CEN F673N 1 none none none 3 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 17] 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P6 4 WFC3/UVI ACCUM UVIS-CEN F673N 2 none none none 3 1300.0 S S TER CRAB-MOSAIC-P6 4 WFC3/UVI ACCUM UVIS-CEN F673N 3 none none none 4 1288.0 S S TER CRAB-MOSAIC-P6 5 WFC3/UVI ACCUM UVIS-CEN F631N 1 none none none 4 1288.0 S S TER CRAB-MOSAIC-P6 5 WFC3/UVI ACCUM UVIS-CEN F631N 2 none none none 5 1300.0 S S TER CRAB-MOSAIC-P6 5 WFC3/UVI ACCUM UVIS-CEN F631N 3 none none none 5 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 18] Visit: 07 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-HB-FIE WFC3/UVI ACCUM UVIS-CENT F487N FLASH=20 3 1250 S PATTERN 1 1 LD1 S ER see below (7808 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-HB-FIELD1 1 WFC3/UVI ACCUM UVIS-CEN F487N 1 none 1 none 1 1304.0 S S TER CRAB-HB-FIELD1 1 WFC3/UVI ACCUM UVIS-CEN F487N 1 none 2 none 1 1304.0 S S TER CRAB-HB-FIELD1 1 WFC3/UVI ACCUM UVIS-CEN F487N 1 none 3 none 2 1300.0 S S TER CRAB-HB-FIELD1 1 WFC3/UVI ACCUM UVIS-CEN F487N 2 none 1 none 2 1300.0 S S TER CRAB-HB-FIELD1 1 WFC3/UVI ACCUM UVIS-CEN F487N 2 none 2 none 3 1300.0 S S TER CRAB-HB-FIELD1 1 WFC3/UVI ACCUM UVIS-CEN F487N 2 none 3 none 3 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 19] Visit: 08 Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-HB-FIE WFC3/UVI ACCUM UVIS-CENT F487N FLASH=20 3 1250 S PATTERN 1 1 LD2 S ER see below (7808 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-HB-FIELD2 1 WFC3/UVI ACCUM UVIS-CEN F487N 1 none 1 none 1 1304.0 S S TER CRAB-HB-FIELD2 1 WFC3/UVI ACCUM UVIS-CEN F487N 1 none 2 none 1 1304.0 S S TER CRAB-HB-FIELD2 1 WFC3/UVI ACCUM UVIS-CEN F487N 1 none 3 none 2 1300.0 S S TER CRAB-HB-FIELD2 1 WFC3/UVI ACCUM UVIS-CEN F487N 2 none 1 none 2 1300.0 S S TER CRAB-HB-FIELD2 1 WFC3/UVI ACCUM UVIS-CEN F487N 2 none 2 none 3 1300.0 S S TER CRAB-HB-FIELD2 1 WFC3/UVI ACCUM UVIS-CEN F487N 2 none 3 none 3 1300.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 20] Visit: 09 Visit Requirements: ORIENT 87D TO 87 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P1 S ER see below (1262 S) Comments: Re-do of visit 1 Exp. 1 (see HOPR 92765) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P1 S ER see below (1062 S) Comments: Re-do of visit 1 Exp. 2 (see HOPR 92765) ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P1 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 631.0 S S TER CRAB-MOSAIC-P1 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 631.0 S S TER CRAB-MOSAIC-P1 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 531.0 S S TER CRAB-MOSAIC-P1 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 531.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 21] Visit: 10 Visit Requirements: SAME ORIENT AS 09 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 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 2 1 -P2 S ER see below (2478 S) Comments: Re-do of visit 2 Exp. 1 (see HOPR 92765). Pattern changes to make three dithers and use the full orbit. ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P2 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 826.0 S S TER CRAB-MOSAIC-P2 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 826.0 S S TER CRAB-MOSAIC-P2 1 WFC3/UVI ACCUM UVIS-CEN F547M 3 none none none 1 826.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 22] Visit: 11 Visit Requirements: ORIENT 87D TO 87 D On Hold Comments: Additional Comments: Repeat of failed visit 09. 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 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F547M FLASH=10 1 550 S PATTERN 1 1 -P1 S ER see below (1208 S) Comments: Re-do of visit 1 Exp. 1 (see HOPR 92765) ------------------------------------------------------------------------------------------------------------------------------------ 2 CRAB-MOSAIC WFC3/UVI ACCUM UVIS-CENT F763M FLASH=15 1 450 S PATTERN 1 2 -P1 S ER see below (1008 S) Comments: Re-do of visit 1 Exp. 2 (see HOPR 92765) ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ CRAB-MOSAIC-P1 1 WFC3/UVI ACCUM UVIS-CEN F547M 1 none none none 1 604.0 S S TER CRAB-MOSAIC-P1 1 WFC3/UVI ACCUM UVIS-CEN F547M 2 none none none 1 604.0 S S TER CRAB-MOSAIC-P1 2 WFC3/UVI ACCUM UVIS-CEN F763M 1 none none none 1 504.0 S S TER CRAB-MOSAIC-P1 2 WFC3/UVI ACCUM UVIS-CEN F763M 2 none none none 1 504.0 S S TER 17500( 6) - 14-Jun-2024 16:17:00 - [ 23] Summary Form for Proposal 17500 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=10, FLASH=15, FLASH=20 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 87D TO 87 D, PATTERN 1 1, PATTERN 1 2, PATTERN 2 1, PATTERN 2 3, PATTERN 2 4, PATTERN 2 5, SAME ORIENT AS 01, SAME ORIENT AS 09 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F487N, F502N, F547M, F631N, F673N, F763M ------------------------------------------------------------------------------------------------------------------------------------ Target Names CRAB-HB-FIELD1, CRAB-HB-FIELD2, CRAB-MOSAIC-P1, CRAB-MOSAIC-P2, CRAB-MOSAIC-P3, CRAB-MOSAIC-P4, CRAB-MOSAIC-P5, CRAB-MOSAIC-P6 ------------------------------------------------------------------------------------------------------------------------------------