14638( 3) - 15-Jul-2016 18:41:33 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 14638 Version: 3 Check-in Time: 15-Jul-2016 18:41:33 STScI Edit Number: 1 Title What Makes Radio-detected and Optically-detected Supernova Remnants in NGC6946 Different? ------------------------------------------------------------------------------------ Type Cycle GO 24 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Knox S. Long Eureka Scientific Inc. Y CoI: Dr. William P. Blair The Johns Hopkins University N CoI: Dr. P. Frank Winkler Middlebury College N CoI: Prof. Christina Lacey Hofstra University N ------------------------------------------------------------------------------------ Abstract In the Galaxy, most SNRs were first detected as extended non-thermal radio sources. By contrast, in galaxies beyond the Magellanic Clouds, most SNRs have been identified as emission nebulae with elevated [S II]:Ha emission ratios compared to HII regions. NGC6946, which has had more historical SNe than any other galaxy, is one of the very few galaxies with both a large number of radio and optical SNRs and SNR candidates. Surprisingly, the radio and the optical samples of SNRs in this (and other) galaxies are almost disjoint, possibly due to the fact that the radio-detected objects tend to be located in or very near HII regions with higher than normal extinction. If this is correct, these radio SNRs should be detectable as nebulae with strong [Fe II] emission lines in the near IR, since extinction should be much less of a factor and since the ratio of [Fe II]:Pa Beta is expected to be high, of order 10, in shocked SNR gas, and very low in photoionized regions. To find out, we propose to use existing Pa Beta and new [Fe II] WFC3 imagery of NGC6946, along with the results of our new radio and optical imaging and spectroscopic surveys, to find the radio sample. Since we also should detect many, if not all, of the optically identified SNRs in [Fe II], we will be able to compare the properties (diameter distribution, [Fe II] flux) of the two sub-populations in order to improve our understanding both of the selection effects and of the evolutionary state of the populations. More generally, the combination of radio, optical, IR and X-ray data (from existing Chandra observations) will allow us to complete one of the most detailed characterizations of SNRs in any nearby galaxy. ------------------------------------------------------------------------------------ Observations Description ------------------------ This is a project to observe NGC6946 with the [Fe II] 1.64 micron (F164N) and H-band (F160W) filters. The continuum filter is primarily used for star subtraction. Our goal is to identify SNRs in NGC6946 in the IR. Our observational definition of an IR SNR for the purpose of this program is an emission nebulae with a large [Fe II]:Pbeta ratio. The Pbeta images exist as archival data, obtained in program 14156 (Leroy PI). Our observing strategy, which involves obtaining a 3 x 3 mosaic of the innner part or the galaxy with WFC3/IR, is very similar to the earlier progam. Our 14638( 3) - 15-Jul-2016 18:41:33 - [ 2] tight orientation requirement maximizes the overlap between the earlier program, and also allows us to cover most of the inner spiral arms, where the optically and radio SNRs and candidates are located. ------------------------------------------------------------------------------------ 14638( 3) - 15-Jul-2016 18:41:33 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6946 GALAXY, SPIRAL, RA=20H34M52.3320S, J2000 V = 7.4 +/- 0.1 STARBURST DEC=+60D09'13.24" Reference Frame: Other: SIMBAD Extended: YES Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 14638( 3) - 15-Jul-2016 18:41:33 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-BLOB WFC3-IR-DITHER-LINE Pattern_Purpose DITHER DITHER Number_Of_Points 2 2 Point_Spacing 5.183 0.636 Line_Spacing Coordinate_Frame POS-TARG POS-TARG Pattern_Orient 41.859 41.788 Angle_Between_Sides Center_Pattern YES NO ------------------------------------------------------------------------------------------------------------------------------------ 14638( 3) - 15-Jul-2016 18:41:33 - [ 5] Visit: 01 Visit Requirements: ORIENT 76.77D TO 76.77 D; ORIENT 256.77D TO 256.77 D; ORIENT 166.77D TO 166.77 D; ORIENT 346.77D TO 346.77 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 -132.08467499999998, S) -117.07799999999993; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 -132.08467499999998, S) -117.07799999999993 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 6] 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 2.8421709430404007E-14, S) -117.07799999999993; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 2.8421709430404007E-14, S) -117.07799999999993 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 7] 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 132.08467500000003, S) -117.07799999999993; GS ACQ SCENARIO BASE1B3; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 132.08467500000003, S) -117.07799999999993 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 8] 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 -132.08467499999998, S) 1.4210854715202004E-14; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 -132.08467499999998, S) 1.4210854715202004E-14 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 9] 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 2.8421709430404007E-14, S) 1.4210854715202004E-14; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 2.8421709430404007E-14, S) 1.4210854715202004E-14 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 10] 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 132.08467500000003, S) 1.4210854715202004E-14; GS ACQ SCENARIO BASE1B3; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 132.08467500000003, S) 1.4210854715202004E-14 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 11] 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 -132.08467499999998, S) 117.07799999999996; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 -132.08467499999998, S) 117.07799999999996 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 12] 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 2.8421709430404007E-14, S) 117.07799999999996; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 2.8421709430404007E-14, S) 117.07799999999996 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 13] Visit: 09 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 NGC-6946 WFC3/IR MULTIAC IR F164N SAMP-SEQ=STEP100, NSAMP=12 1 DEF POS TARG CUM (2396.929 132.08467500000003, S) 117.07799999999996; GS ACQ SCENARIO BASE1B3; PATTERN 2 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6946 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG CUM (396.925 132.08467500000003, S) 117.07799999999996 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 1 2 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 1 none none 1 N/A CUM NGC-6946 1 WFC3/IR MULTIAC IR F164N 2 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 1 none none 1 N/A CUM NGC-6946 2 WFC3/IR MULTIAC IR F160W 2 2 none none 1 N/A CUM 14638( 3) - 15-Jul-2016 18:41:33 - [ 14] Summary Form for Proposal 14638 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IR ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=12, NSAMP=8, SAMP-SEQ=STEP100, SAMP-SEQ=STEP25 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements GS ACQ SCENARIO BASE1B3, ORIENT 166.77D TO 166.77 D, ORIENT 256.77D TO 256.77 D, ORIENT 346.77D TO 346.77 D, ORIENT 76.77D TO 76.77 D, PATTERN 2 1-2, POS TARG -132.08467499999998, -117.07799999999993, POS TARG -132.08467499999998, 1.4210854715202004E-14, POS TARG -132.08467499999998, 117.07799999999996, POS TARG 132.08467500000003, -117.07799999999993, POS TARG 132.08467500000003, 1.4210854715202004E-14, POS TARG 132.08467500000003, 117.07799999999996, POS TARG 2.8421709430404007E-14, -117.07799999999993, POS TARG 2.8421709430404007E-14, 1.4210854715202004E-14, POS TARG 2.8421709430404007E-14, 117.07799999999996, SAME ORIENT AS 01 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F160W, F164N ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC-6946 ------------------------------------------------------------------------------------------------------------------------------------