6316( 15) - 07/09/96 10:35 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 6316 Version: 15 Check-in Date: 09-Jul-1996 10:10:57 1.Proposal Title: FUV SPECTROSCOPY OF IOS SO2 ATMOSPHERE AND SURFACE CYCLE 4 CARRYOVER OF PROGRAMS 3862 AND 4600 PART 2 ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Cycle SOLAR SYSTEM GO/CAR 4 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: JOHN T. CLARKE UNIVERSITY OF MICHIGAN ------------------------------------------------------------------------------------ 6. Abstract This proposal is a group of high priority cycle 2 and 3 obs.'s of Io that either were never scheduled or were not correct, and have been approved for cycle 4 by the HOPR process. Program altered to use onboard acq. procedures (6/12/95, ADS) ------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 2] Observations Description ------------------------ Visits 1 and 2 are FOS spectra of Io emerging from eclipse. Europa is first acquired using a three-stage peakup (A+B1+C1, with C1 using the 1.0 aperture, as recommended by Alex Storrs and Tony Keyes). After acquisition, the offset to Io is performed and the satellite is observed as it emerges from eclipse. This event should occur no closer than 10 m. to the times of shutter opening or closing. A confirmation image of Io is obtained. Visit 3 performs FOS observations of specific areas on Io. Io is the target for acquisition, and an HRS acq for FOS observations is performed. Spectra of two regions are made: IO- W-LOKI and IO-W-DARK, through the 0.3 aperture. The acquisition procedure will return to the pointing that gives the highest number of counts, it may be useful to constrain the spectral range of the acquisition to minimize the contrast in surface features and/or maximize limb darkening. Visit 4 performs a spatial scan roughly north-south across Io. Since the 0.3 aperture is used, the acquisition sequence is identical to visit 3. Real Time Justification ----------------------- Onboard acquisition obviates the need for real-time connection. Calibration Justification ------------------------- Only the 4.3 and 0.3 apertures are used, so no additional calibration should be necessary. Additional Comments ------------------- The instrument team (cf. Tony Keyes and Don Chance) should check the acq. sequences carefully. The last two visits have partial orbits. This is in keeping with the original program (5616). The objective is to do the same amount of science with onboard acqs. as was planned with interactive acqs. ------------------------------------------------------------------------------------ Data Distribution Media: 8MM Blocking Factor: 10 Ship To: PI_Address Ship Via: UPS __Diagnosti Email: , ------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 3] TARGET LIST b)Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 1 | TARGET NAME: IO-ACQ-SHADOW ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: OFFSET EUROPA ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | STD=EUROPA | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | SURF(V) = 5.5+/-0.5 | ACQUISITION OF IO WHILE IN SHADOW SIZE=20.0+/-2.0e-1 | FOR SPECTRA IN SHADOW. STRATEGY IS F-CONT(2700.0)=20.0+/-10.0e-14 | TO ACQUIRE J2 OR J3 AND THEN BLIND | OFFSET TO IO, BOTH IN 4.3 ARC SEC | APERTURE. | ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 2 | TARGET NAME: IO-EGRESS ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: SATELLITE IO ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | STD=IO | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | OLG OF JUPITER BETWEEN 240 290, ECL U OF | IO BY JUPITER, SEP OF EUROPA IO FROM | EARTH GT 10", SEP OF GANYMEDE IO FROM | EARTH GT 10", SEP OF CALLISTO IO FROM | EARTH GT 10" | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | SURF(V) = 5.8+/-0.5 | OBSERVE IO COMING OUT OF ECLIPSE SIZE=10.0+/-2.0e-1 | BEHIND JUPITER; BEGIN SPECTRA 10-15 F-CONT(2700.0)=20.0+/-10.0e-14 | MINUTES BEFORE IO ECLIPSE | REAPPEARANCE AND SCHEDULE WHEN | ORBITAL LONGITUDE OF JUPITER IS 240 | TO 290 DEGREES. PLEASE NOTE THAT THE | WINDOWS CAN BE EXPANDED IF NEEDED TO | SCHEDULE. | ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 4] TARGET LIST b)Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 3 | TARGET NAME: IO-ACQ ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: SATELLITE IO ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | STD=IO | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | SEP OF EUROPA IO FROM EARTH GT 10", SEP | OF GANYMEDE IO FROM EARTH GT 10", SEP OF | CALLISTO IO FROM EARTH GT 10" | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | SURF(V) = 5.0+/-0.5 | IO ACQUISITION FOR SPECTRA OR POST- SIZE=10.0+/-2.0e-1 | OBSERVATION POINTING INFO. WITH IO F-CONT(2700.0)=20.0+/-10.0e-14 | IN SUNLIGHT. | ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 4 | TARGET NAME: IO-W-DARK ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: SATELLITE IO ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | STD=IO | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | TYPE = CARTO, LONG = 288.0, LAT = -15.0 | SEP OF EUROPA IO FROM EARTH GT 10", SEP | OF GANYMEDE IO FROM EARTH GT 10", SEP OF | CALLISTO IO FROM EARTH GT 10", OLG OF IO | BETWEEN 265 295, OLG OF JUPITER BETWEEN | 300 60 | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | SURF(V) = 5.0+/-0.5 | OBSERVE DARK REGION ON IO WHEN IO IS SIZE=10.0+/-2.0e-1 | FROM ABOUT -5 TO +25 DEGREES FROM F-CONT(2700.0)=20.0+/-10.0e-14 | WESTERN ELONGATION, WHEN JUPITER IS F-CONT(1900.0)=15.0+/-10.0e-16 | WITHIN 60 DEGREES OF OPPOSITION. | PLEASE NOTE THAT THE WINDOWS CAN BE | EXPANDED IF NEEDED TO SCHEDULE. | ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 5] TARGET LIST b)Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 5 | TARGET NAME: IO-W-LOKI ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: SATELLITE IO ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | STD=IO | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | TYPE = CARTO, LONG = 304.0, LAT = +20.0 | SEP OF EUROPA IO FROM EARTH GT 10", SEP | OF GANYMEDE IO FROM EARTH GT 10", SEP OF | CALLISTO IO FROM EARTH GT 10", OLG OF IO | BETWEEN 280 325, OLG OF JUPITER BETWEEN | 300 60 | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | SURF(V) = 5.0+/-0.5 | OBSERVE LOKI VOLCANO ON IO WHEN IO SIZE=10.0+/-2.0e-1 | IS FROM ABOUT +10 TO +55 DEGREES F-CONT(2700.0)=20.0+/-10.0e-14 | FROM WESTERN ELONGATION, WHEN F-CONT(1900.0)=15.0+/-10.0e-16 | JUPITER IS WITHIN 60 DEGREES OF | OPPOSITION. PLEASE NOTE THAT THE | WINDOWS CAN BE EXPANDED IF NEEDED TO | SCHEDULE. | ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 6 | TARGET NAME: IO-W-SCAN ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: SATELLITE IO ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | STD=IO | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | SEP OF EUROPA IO FROM EARTH GT 10", SEP | OF GANYMEDE IO FROM EARTH GT 10", SEP OF | CALLISTO IO FROM EARTH GT 10", OLG OF IO | BETWEEN 250 290, OLG OF JUPITER BETWEEN | 300 60 | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | SURF(V) = 5.0+/-0.5 | OBSERVE IO WITHIN +/- 20 DEGREES OF SIZE=10.0+/-2.0e-1 | WESTERN ELONGATION WHEN JUPITER IS F-CONT(2700.0)=20.0+/-10.0e-14 | WITHIN 60 DEGREES OF OPPOSITION. F-CONT(1900.0)=15.0+/-10.0e-16 | PLEASE NOTE THAT THE WINDOWS CAN BE | EXPANDED IF NEEDED TO SCHEDULE. | 6316( 15) - 07/09/96 10:35 - [ 6] TARGET LIST b)Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 11 | TARGET NAME: GANYMEDE-ACQ ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: OFFSET GANYMEDE ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | STD=GANYMEDE | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | SURF(V) = 5.5+/-0.5 | ACQUISITION OF IO WHILE IN SHADOW SIZE=20.0+/-2.0e-1 | FOR SPECTRA IN SHADOW. STRATEGY IS F-CONT(2700.0)=20.0+/-10.0e-14 | TO ACQUIRE J3 AND THEN BLIND OFFSET | TO IO, BOTH IN 4.3 ARC SEC APERTURE. | THIS IS AN ALTERNATE TO TARGET 1. | ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 7] Visit: 01 Visit Requirements: 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 IO-ACQ-SHAD FOS/BL ACQ/PEA 4.3 G270H SEARCH-SIZE-X=1,SEARCH-SIZE-Y=3, 1 1 S ONBOARD ACQ FOR 11 OW K SCAN-STEP-Y=1.23 Comments: ACQ OF EUROPA, FIRST STAGE. AFTER CENTERING ON EUROPA, OFFSET TO IO, WHICH IS IN SHADOW. PARAMETERS FROM CAL/FOS-132. ------------------------------------------------------------------------------------------------------------------------------------ 11 IO-ACQ-SHAD FOS/BL ACQ/PEA 1.0 G270H SEARCH-SIZE-X=6,SEARCH-SIZE-Y=2, 1 1 S ONBOARD ACQ FOR 12 OW K SCAN-STEP-X=0.61,SCAN-STEP-Y=0.61 Comments: ACQ OF EUROPA, SECOND STAGE. AFTER CENTERING ON EUROPA, OFFSET TO IO, WHICH IS IN SHADOW. PARAMETERS FROM CAL/FOS-132. ------------------------------------------------------------------------------------------------------------------------------------ 12 IO-ACQ-SHAD FOS/BL ACQ/PEA 1.0 G270H SEARCH-SIZE-X=3,SEARCH-SIZE-Y=3, 1 1 S ONBOARD ACQ FOR 20-30 OW K SCAN-STEP-X=0.29,SCAN-STEP-Y=0.29 Comments: ACQ OF EUROPA, THIRD STAGE. AFTER CENTERING ON EUROPA, OFFSET TO IO, WHICH IS IN SHADOW. PARAMETERS FROM CAL/FOS-132. ------------------------------------------------------------------------------------------------------------------------------------ 20 IO-EGRESS FOS/BL RAPID 4.3 G270H READ-TIME=60.,STEP-PATT=DEF 1 1620 S NO SPLIT Comments: FOS EXPOSURES OF IO: BEGIN 10-15 MINUTES BEFORE IO REAPPEARS IN SUNLIGHT FROM ECLIPSE ------------------------------------------------------------------------------------------------------------------------------------ 30 IO-ACQ FOS/BL IMAGE 4.3 G270H SUB-STEP=4,COMB=YES,Y-SPACE=128, 1 350 S Y-SIZE=5 Comments: IMAGE OF 4.3 APERTURE FOR POST-ACQ POINTING INFORMATION, PERFORMED AFTER IO COMES BACK INTO SUNLIGHT. CAN BE PUT IN NEXT ORBIT IF NECESSARY. ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 8] Visit: 02 Visit Requirements: 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 GANYMEDE-AC FOS/BL ACQ/PEA 4.3 G270H SEARCH-SIZE-X=1,SEARCH-SIZE-Y=3, 1 1 S ONBOARD ACQ FOR 11 Q K SCAN-STEP-Y=1.23 Comments: ACQ OF EUROPA, FIRST STAGE. AFTER CENTERING ON EUROPA, OFFSET TO IO, WHICH IS IN SHADOW. PARAMETERS FROM CAL/FOS-132. ------------------------------------------------------------------------------------------------------------------------------------ 11 GANYMEDE-AC FOS/BL ACQ/PEA 1.0 G270H SEARCH-SIZE-X=6,SEARCH-SIZE-Y=2, 1 1 S ONBOARD ACQ FOR 12 Q K SCAN-STEP-X=0.61,SCAN-STEP-Y=0.61 Comments: ACQ OF EUROPA, SECOND STAGE. AFTER CENTERING ON EUROPA, OFFSET TO IO, WHICH IS IN SHADOW. PARAMETERS FROM CAL/FOS-132. ------------------------------------------------------------------------------------------------------------------------------------ 12 GANYMEDE-AC FOS/BL ACQ/PEA 1.0 G270H SEARCH-SIZE-X=3,SEARCH-SIZE-Y=3, 1 1 S ONBOARD ACQ FOR 20-30 Q K SCAN-STEP-X=0.29,SCAN-STEP-Y=0.29 Comments: ACQ OF EUROPA, THIRD STAGE. AFTER CENTERING ON EUROPA, OFFSET TO IO, WHICH IS IN SHADOW. PARAMETERS FROM CAL/FOS-132. ------------------------------------------------------------------------------------------------------------------------------------ 20 IO-EGRESS FOS/BL RAPID 4.3 G190H READ-TIME=60.,STEP-PATT=DEF 1 1560 S NO SPLIT Comments: FOS EXPOSURES OF IO: BEGIN 10-15 MINUTES BEFORE IO REAPPEARS IN SUNLIGHT FROM ECLIPSE. ------------------------------------------------------------------------------------------------------------------------------------ 30 IO-ACQ FOS/BL IMAGE 4.3 G270H SUB-STEP=4,COMB=YES,Y-SPACE=128, 1 350 S Y-SIZE=5 Comments: IMAGE OF 4.3 APERTURE FOR POST-ACQ POINTING INFORMATION, PERFORMED WHEN IO IS IN SUNLIGHT. CAN BE PUT IN NEXT ORBIT IF NECESSARY. ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 9] Visit: 03 Visit Requirements: 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 ------------------------------------------------------------------------------------------------------------------------------------ 70 IO-ACQ HRS ACQ 2.0 MIRROR-N2 BRIGHT=RETURN,LOCATE=EXTENDED, 1 10. S ONBOARD ACQ FOR 80 SEARCH-SIZE=5 Comments: HRS ACQ FOR FOS OBS. SHOULD CENTER IO TO 0.1". NEXT, OFFSET TO FOS/BL APERTURE STEP-TIME=0.4 ------------------------------------------------------------------------------------------------------------------------------------ 80 IO-ACQ FOS/BL ACQ/PEA 0.5 G270H SEARCH-SIZE-X=3,SEARCH-SIZE-Y=3, 1 1 S ONBOARD ACQ FOR 81-120 K SCAN-STEP-X=0.29,SCAN-STEP-Y=0.29 Comments: FOS ACQ PEAKUP of Io after HRS ASSISTED ACQ. Optimizes the pointing and provides information. (Parameters from exposure 12, visit 1.) ------------------------------------------------------------------------------------------------------------------------------------ 81 IO-ACQ FOS/BL RAPID 4.3 G270H READ-TIME=60 1 8 M NO SPLIT END ORBIT Comments: G270H spectra of Io. ------------------------------------------------------------------------------------------------------------------------------------ 90 IO-W-DARK FOS/BL ACCUM 0.3 G270H STEP-PATT=SINGLE 1 10 M Comments: G270H SPECTRA OF DARK SPOT ON IO AT LONG,LAT = 288,-15. ------------------------------------------------------------------------------------------------------------------------------------ 100 IO-W-DARK FOS/BL ACCUM 0.3 G190H STEP-PATT=SINGLE 1 36 M Comments: G190H SPECTRA OF DARK SPOT ON IO AT LONG,LAT = 288,-15. ------------------------------------------------------------------------------------------------------------------------------------ 110 IO-W-LOKI FOS/BL ACCUM 0.3 G270H STEP-PATT=SINGLE 1 10 M Comments: G270H SPECTRA OF LOKI VOLCANO ON IO AT LONG, LAT = 304,+20. ------------------------------------------------------------------------------------------------------------------------------------ 120 IO-W-LOKI FOS/BL ACCUM 0.3 G190H STEP-PATT=SINGLE 1 36 M Comments: G190H SPECTRA OF LOKI VOLCANO ON IO AT LONG, LAT = 304,+20. ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 10] Visit: 04 Visit Requirements: 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 ------------------------------------------------------------------------------------------------------------------------------------ 70 IO-ACQ HRS ACQ 2.0 MIRROR-N2 BRIGHT=RETURN,LOCATE=EXTENDED, 1 10. S ONBOARD ACQ FOR 130 SEARCH-SIZE=5 Comments: HRS ACQ FOR FOS OBS. SHOULD CENTER IO TO 0.1". NEXT, OFFSET TO FOS/BL APERTURE STEP-TIME=0.4 ------------------------------------------------------------------------------------------------------------------------------------ 130 IO-ACQ FOS/BL ACQ/PEA 0.5 G270H SEARCH-SIZE-X=3,SEARCH-SIZE-Y=3, 1 1 S ONBOARD ACQ FOR 131-150 K SCAN-STEP-X=0.29,SCAN-STEP-Y=0.29 Comments: FOS ACQ PEAKUP of Io after HRS ASSISTED ACQ. Optimizes the pointing and provides information. (Parameters from exposure 12, visit 1.) ------------------------------------------------------------------------------------------------------------------------------------ 131 IO-ACQ FOS/BL RAPID 4.3 G270H READ-TIME=60 1 9 M NO SPLIT END ORBIT Comments: G270H spectra of Io. ------------------------------------------------------------------------------------------------------------------------------------ 140 IO-ACQ FOS/BL IMAGE 4.3 G270H SUB-STEP=4,COMB=YES,Y-SPACE=128, 1 350 S MAX DUR 101% Y-SIZE=5 Comments: IMAGE OF 4.3 APERTURE FOR POST-ACQ POINTING INFORMATION. MAX DUR REQ'T. PREVENTS RPS2 FROM EXPANDING IN LAST PARTIAL ORBIT. ------------------------------------------------------------------------------------------------------------------------------------ 150 IO-W-SCAN FOS/BL RAPID 0.3 G270H READ-TIME=60.0,COMB=YES, 1 24 M SPATIAL SCAN 1 150 STEP-PATT=SINGLE Comments: VERY SLOW SPATIAL SCAN N/S ACROSS DISK OF IO. REQUIRES REVIEW BY STSCI. ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 11] Scan Paramters Form ------------------------------------------------------------------------------------------------------------------------------------ Data ID: 1 Exposure Logsheet lines: 8.150 FGS Scan: C Dwell Only: dwell points/line: 0 Seconds per dwell: 0.00 Scan width (arc-secs): 0.0000 Scan length (arc-secs): 1.5000 Angle between sides (degrees) 90.00 Number of lines: 1 Scan rate (arc-sec/sec): 0.0009 PA of first scan line (degrees) 355.000 Scan frame (CEL or S/C): CEL Length Offset (arc-sec): 0.7500 Width Offset (arc-sec): 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 6316( 15) - 07/09/96 10:35 - [ 12] Summary Form for Proposal 6316 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FOS/BL HRS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACQ/PEAK RAPID IMAGE ACQ ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters SEARCH-SIZE-X=1 SEARCH-SIZE-Y=3 SCAN-STEP-Y=1.23 SCAN-STEP-Y=0.61 SCAN-STEP-Y=0.29 STEP-PATT=DEF Y-SIZE=5 SCAN-STEP-X=0.61 SCAN-STEP-X=0.29 READ-TIME=60. Y-SPACE=128 SEARCH-SIZE=5 SEARCH-SIZE-X=3 READ-TIME=60 STEP-PATT=SINGLE LOCATE=EXTENDED COMB=YES READ-TIME=60.0 ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO/CAR ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category SOLAR SYSTEM ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ONBOARD ACQ FOR 11 ONBOARD ACQ FOR 12 ONBOARD ACQ FOR 20-30 NO SPLIT ONBOARD ACQ FOR 80 ONBOARD ACQ FOR 81-120 NO SPLIT END ORBIT ONBOARD ACQ FOR 130 ONBOARD ACQ FOR 131-150 MAX DUR 101% SPATIAL SCAN 1 150 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements G270H G190H MIRROR-N2 ------------------------------------------------------------------------------------------------------------------------------------ Target Names IO-ACQ-SHADOW IO-EGRESS IO-ACQ GANYMEDE-ACQ IO-W-DARK IO-W-LOKI IO-W-SCAN ------------------------------------------------------------------------------------------------------------------------------------