6328( 5) - 09/27/95 16:57 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 6328 Version: 5 Check-in Date: ********** 1.Proposal Title: IMAGING AND SPATIAL SCANS OF SATURN NEAR RING-PLANE CROSSING ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Cycle Solar System GTO/OS 5 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: John Caldwell York University CoI: Laurance M. Trafton University of Texas N ------------------------------------------------------------------------------------ 6. Abstract This program will obtain images and spectra of Saturn, primarily in the ultraviolet, at the time of either Earth or Solar ring-plane crossing in the second half of 1995. The objective is to compare northern and southern hemisphere properties at the time of equinox. ------------------------------------------------------------------------------------ Observations Description ------------------------ Images and spectrscopy of Saturn will be done on consecutive orbits near ring- plane crossing. Earth ring-plane crossing is preferred in August, but solar ring-plane crossing later is acceptable. The spectroscopy will use the FOS in the spatial scan mode. Imaging will be with the WFPC2. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ Data Distribution Media: 8MM Blocking Factor: 10 Ship To: PI_Address Ship Via: UPS Email: , ------------------------------------------------------------------------------------ 6328( 5) - 09/27/95 16:57 - [ 2] TARGET LIST b)Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 1 | TARGET NAME: SATURN ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET SATURN ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | std=SATURN | | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | V=0.5 | Approximate Saturn magnitude, | September 1, 1995 | ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 2 | TARGET NAME: SATURN2 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET SATURN ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | std=SATURN | TYPE=POS_ANGLE, REF=NORTH, ANG=185.02, | RAD=9 | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | V=0.5 | Approximate Saturn magnitude, | September 1, 1995 | ------------------------------------------------------------------------------------------------------------------------------------ 6328( 5) - 09/27/95 16:57 - [ 3] Visit: 01 Visit Requirements: BETWEEN 15-NOV-1995 AND 1-DEC-1995 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 SATURN WFPC2 IMAGE FQCH4W3 FQCH4N 8922 ATD-GAIN=7, CR- 1 100S SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 20 SATURN WFPC2 IMAGE FQCH4W3 F673N ATD-GAIN=15, CR 1 4S -SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 30 SATURN WFPC2 IMAGE FQCH4N3 FQCH4N33 6193 ATD-GAIN=15, CR 1 6S 3 -SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 40 SATURN WFPC2 IMAGE FQCH4W3 F953N ATD-GAIN=7, CR- 1 16S SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 50 SATURN WFPC2 IMAGE FQCH4W3 F547M ATD-GAIN=15, CR 1 0.2S -SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 60 SATURN WFPC2 IMAGE FQCH4W3 F410M ATD-GAIN=15, CR 1 8S -SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 70 SATURN WFPC2 IMAGE FQCH4W3 F336W ATD-GAIN=15, CR 1 14S -SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 80 SATURN WFPC2 IMAGE FQCH4W3 F255W ATD-GAIN=7, CR- 1 280S SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 90 SATURN WFPC2 IMAGE FQCH4W3 FQCH4N 8922 ATD-GAIN=7, CR- 1 40S SPLIT=NO Comments: REDUCED PER 7/27/95 COMMUNICATION ------------------------------------------------------------------------------------------------------------------------------------ 100 SATURN WFPC2 IMAGE FQCH4W3 F673N ATD-GAIN=15, CR 1 4S -SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ 6328( 5) - 09/27/95 16:57 - [ 4] Visit: 02 Visit Requirements: AFTER 1 BY 1 ORBITS TO 1.5 ORBITS On Hold Comments: Additional Comments: SCANS OPTIMIZED FOR POST-OPPOSITION OBSERVATION Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 200 SATURN2 FOS/BL ACCUM 1.0 G270H 1 950S SPATIAL SCAN 2 ------------------------------------------------------------------------------------------------------------------------------------ 210 SATURN2 FOS/BL ACCUM 1.0 G270H 1 950S SPATIAL SCAN 2 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 400 SATURN2 FOS/BL ACCUM 1.0 G270H 1 1060S SPATIAL SCAN 1 ------------------------------------------------------------------------------------------------------------------------------------ 410 SATURN2 FOS/BL ACCUM 1.0 G270H 1 1060S SPATIAL SCAN 1; END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 450 SATURN2 FOS/BL ACCUM 1.0 G190H 1 1060S SPATIAL SCAN 1 ------------------------------------------------------------------------------------------------------------------------------------ 460 SATURN2 FOS/BL ACCUM 1.0 G190H 1 1060S SPATIAL SCAN 1; END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 500 SATURN2 FOS/BL ACCUM 1.0 G190H 1 1060S SPATIAL SCAN 1 ------------------------------------------------------------------------------------------------------------------------------------ 510 SATURN2 FOS/BL ACCUM 1.0 G190H 1 1060S SPATIAL SCAN 1; END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 6328( 5) - 09/27/95 16:57 - [ 5] Scan Paramters Form ------------------------------------------------------------------------------------------------------------------------------------ Data ID: 1 Exposure Logsheet lines: FGS Scan: C Dwell Only: dwell points/line: 0 Seconds per dwell: 0.00 Scan width (arc-secs): 0.0000 Scan length (arc-secs): 18.0000 Angle between sides (degrees) 0.00 Number of lines: 1 Scan rate (arc-sec/sec): 0.0170 PA of first scan line (degrees) 5.020 Scan frame (CEL or S/C): CEL Length Offset (arc-sec): 0.0000 Width Offset (arc-sec): 0.0000 ------------------------------------------------------------------------------------------------------------------------------------ Data ID: 2 Exposure Logsheet lines: FGS Scan: C Dwell Only: dwell points/line: 0 Seconds per dwell: 0.00 Scan width (arc-secs): 0.0000 Scan length (arc-secs): 18.0000 Angle between sides (degrees) 0.00 Number of lines: 1 Scan rate (arc-sec/sec): 0.0189 PA of first scan line (degrees) 5.020 Scan frame (CEL or S/C): CEL Length Offset (arc-sec): 0.0000 Width Offset (arc-sec): 0.0000 ------------------------------------------------------------------------------------------------------------------------------------ 6328( 5) - 09/27/95 16:57 - [ 6] Summary Form for Proposal 6328 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFPC2 FOS/BL ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ATD-GAIN=7 CR-SPLIT=NO ATD-GAIN=15 ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GTO/OS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category Solar System ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BETWEEN 15-NOV-1995 AND 1-DEC-1995 AFTER 1 BY 1 ORBITS TO 1.5 ORBITS SPATIAL SCAN 2 SPATIAL SCAN 2 END ORBIT SPATIAL SCAN 1 SPATIAL SCAN 1; END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements FQCH4N F673N FQCH4N33 F953N F547M F410M F336W F255W G270H G190H ------------------------------------------------------------------------------------------------------------------------------------ Target Names SATURN SATURN2 ------------------------------------------------------------------------------------------------------------------------------------