9698( 3) - 10/07/02 10:30 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 9698 Version: 3 Check-in Date: 07-Oct-2002 10:29:46 1.Proposal Title: Hubble Heritage Observations of NGC 2736 (Pencil Nebula) ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle GO/DD 11 ------------------------------------------------------------------------------------ 4. Investigators Contact? PI: Keith Noll Space Telescope Science Institute CoI: William Blair Johns Hopkins University N CoI: David Malin Anglo-Australian Observatory N CoI: Zolt Levay Space Telescope Science Institute N CoI: Tricia Royle Space Telescope Science Institute Y CoI: Howard Bond Space Telescope Science Institute N CoI: Carol Christian Space Telescope Science Institute N CoI: Lisa Frattare Space Telescope Science Institute N CoI: Forrest Hamilton Computer Sciences Corp/STScI N ------------------------------------------------------------------------------------ 5. Abstract Observations will be taken of NGC 2736 with the ACS for release as a Hubble Heritage image. ------------------------------------------------------------------------------------ Observations Description ------------------------ NGC 2736 (Pencil Nebula) will be observed using the ACS in a total of 5 filters. 3 broad band filters F435W, F555W and F775W will be observed at two dither positions. 2 narrow band filters F502N and F658N will be observed at three dither positions. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 9698( 3) - 10/07/02 10:30 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 PENCIL- ISM, SNR RA=9H 0M 17.72S +/- 1.0", DEC=- J2000 SURF-LINE(6580)=27.5+/-1e-16 NEBULA 45D 54' 57.27" +/- 1.0", PLATE- ID=02FD Coordinate Source: GUIDE_STAR_CATALOG 9698( 3) - 10/07/02 10:30 - [ 3] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 3.011 Coordinate_Frame POS-TARG Pattern_Orient 85.28 Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 9698( 3) - 10/07/02 10:30 - [ 4] Visit: 01 Visit Priority: Visit Requirements: ORIENT 265.0D TO 265.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 PENCIL-NEBU ACS/WF ACCUM WFC F435W CR-SPLIT=NO 1 350 S PATTERN 1 10-20 LA C ------------------------------------------------------------------------------------------------------------------------------------ 20 PENCIL-NEBU ACS/WF ACCUM WFC F658N CR-SPLIT=NO 1 700 S LA C ------------------------------------------------------------------------------------------------------------------------------------ 9698( 3) - 10/07/02 10:30 - [ 5] Visit: 02 Visit Priority: Visit Requirements: ORIENT 265.0D TO 265.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 PENCIL-NEBU ACS/WF ACCUM WFC F555W CR-SPLIT=NO 1 350 S PATTERN 1 10-20 LA C ------------------------------------------------------------------------------------------------------------------------------------ 20 PENCIL-NEBU ACS/WF ACCUM WFC F658N CR-SPLIT=NO 1 700 S LA C ------------------------------------------------------------------------------------------------------------------------------------ 9698( 3) - 10/07/02 10:30 - [ 6] Visit: 03 Visit Priority: Visit Requirements: ORIENT 265.0D TO 265.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 PENCIL-NEBU ACS/WF ACCUM WFC F775W CR-SPLIT=NO 1 350 S PATTERN 1 10-20 LA C ------------------------------------------------------------------------------------------------------------------------------------ 20 PENCIL-NEBU ACS/WF ACCUM WFC F658N CR-SPLIT=NO 1 700 S LA C ------------------------------------------------------------------------------------------------------------------------------------ 9698( 3) - 10/07/02 10:30 - [ 7] Visit: 04 Visit Priority: Visit Requirements: ORIENT 265.0D TO 265.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 20 PENCIL-NEBU ACS/WF ACCUM WFC F502N 1 1100 S PATTERN 1 20 LA C ------------------------------------------------------------------------------------------------------------------------------------ 9698( 3) - 10/07/02 10:30 - [ 8] Summary Form for Proposal 9698 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO/DD ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 265.0D TO 265.0D PATTERN 1 10-20 PATTERN 1 20 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F435W F658N F555W F775W F502N ------------------------------------------------------------------------------------------------------------------------------------ Target Names PENCIL-NEBULA ------------------------------------------------------------------------------------------------------------------------------------