10507( 4) - 12/20/05 12:59 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 10507 Version: 4 Check-in Time: 20-Dec-2005 17:58:45 Title High resolution imaging of Jupiter's diffuse auroral emissions inside and outside the main oval during solar minimum. ------------------------------------------------------------------------------------ Type Cycle Parallel Pointing Tolerance GO 14 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Denis Grodent Universite de Liege CoI: Prof. John T. Clarke Boston University N CoI: Prof. Jean-Claude M. Gerard Universite de Liege N CoI: Dr. Jacques Gustin Universite de Liege N CoI: Prof. Stanley W. Cowley University of Leicester N CoI: Dr. Emma J. Bunce University of Leicester N CoI: Dr. G. Randall Gladstone Southwest Research Institute N CoI: Dr. Tom Stallard University College London N ------------------------------------------------------------------------------------ Abstract The analysis of HST-STIS FUV images has greatly and quickly advanced our knowledge of the magnetospheric mechanisms producing the auroral emissions on the giant planets. However, these studies were limited to the brightest emissions and very little has been said about the fainter emissions, mainly because of the lower S/N. We propose to image the faint auroral emissions on Jupiter which could not be observed with STIS. We will take full advantage of ACS/SBC's higher sensitivity to observe the diffuse auroral FUV emissions appearing poleward and directly equatorward of Jupiter's main auroral oval in the northern hemisphere. This proposal has the potential to reveal new magnetosphere-ionosphere coupling mechanisms especially those involving solar wind interactions with a giant planet. ------------------------------------------------------------------------------------ 10507( 4) - 12/20/05 12:59 - [ 2] Observations Description ------------------------ We will take full advantage of ACS's higher sensitivity to observe the diffuse auroral FUV emissions appearing poleward and directly equatorward of Jupiter's main auroral oval in the northern hemisphere (Figure 3). Recent ACS/SBC imaging of Jupiter's aurora (GO-10140) demonstrates that the global count rate is well below the bright object limit. It also shows that sufficient S/N is reached with exposure times on the order of 100s. Past STIS observations demonstrate that the polar emissions (especially the diffuse swirl region) are best viewed when the central meridian longitude (CML) is close to 180? (S3). The present program consists of 4 independent HST orbits. They could be arranged in a way such that in each orbit, the auroral footprint of Io appears in a different sector, spanning approximately 45? of longitude. This footprint and its trailing tail may then be used as aids to map the equatorial boundary of the diffuse emission in different local time sectors. The 4 orbits should ideally be executed near Jupiter's opposition (6 May 2006), preferentially during the three-month period prior to opposition or during the second half of May, during which two-gyro observations are possible. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- Four targets were defined (one for each visit/orbit). They are all the same, the purpose of this redundancy is to ensure that the 4 orbits can be scheduled completely independently. The timing and geometric constraints may be adjusted in order to increase the schedulability. ------------------------------------------------------------------------------------ 10507( 4) - 12/20/05 12:59 - [ 3] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 1 | TARGET NAME: JUPITER1 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET Jupiter aurora ACS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | TYPE=POS_ANGLE,RAD=20.0,ANG=25.0,REF=NOR | TH | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | CML OF JUPITER FROM EARTH BETWEEN 120.0 | 200.0 | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | V = -2.5+/-0.5 | Celestial North up (Jupiter North | up) in ACS FOV. Final POS_ANGLE | values may depend upon NOMINAL | ORIENTATION | ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 2 | TARGET NAME: JUPITER2 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET Jupiter aurora ACS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | TYPE=POS_ANGLE,RAD=20.0,ANG=25.0,REF=NOR | TH | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | CML OF JUPITER FROM EARTH BETWEEN 150.0 | 200.0, OLG OF IO BETWEEN 100.0 200.0 | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | V = -2.5+/-0.5 | Celestial North up (Jupiter North | up) in ACS FOV | ------------------------------------------------------------------------------------------------------------------------------------ 10507( 4) - 12/20/05 12:59 - [ 4] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 3 | TARGET NAME: JUPITER3 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET Jupiter aurora ACS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | TYPE=POS_ANGLE,RAD=20.0,ANG=25.0,REF=NOR | TH | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | CML OF JUPITER FROM EARTH BETWEEN 150.0 | 200.0, OLG OF IO BETWEEN 100.0 200.0 | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | V = -2.5+/-0.5 | Celestial North up (Jupiter North | up) in ACS FOV | ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 4 | TARGET NAME: JUPITER4 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET Jupiter aurora ACS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD=JUPITER | TYPE=POS_ANGLE,RAD=20.0,ANG=25.0,REF=NOR | TH | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | CML OF JUPITER FROM EARTH BETWEEN 150.0 | 200.0, OLG OF IO BETWEEN 100.0 200.0 | ------------------------------------------------------------------------------------------------------------------------------------ DATA | COMMENTS | V = -2.5+/-0.5 | Celestial North up (Jupiter North | up) in ACS FOV | ------------------------------------------------------------------------------------------------------------------------------------ 10507( 4) - 12/20/05 12:59 - [ 5] Visit: 01 Visit Priority: Visit Requirements: SCHED 100%; BETWEEN 07-FEB-2006:00:00:00 AND 08-FEB-2006:00:00:00 On Hold Comments: Additional Comments: The 4 orbits should ideally be executed near Jupiter?s opposition (6 May 2006), preferentially between 15 Feb 2006 and 31 May 2006, during which two- gyro observations are possible. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 JUPITER1 ACS/SBC ACCUM SBC F125LP 17 105 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 | ------------------------------------------------------------------------------------------------------------------------------------ JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 1 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 2 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 3 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 4 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 5 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 6 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 7 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 8 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 9 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 10 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 11 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 12 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 13 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 14 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 15 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 16 none 1 N/A JUPITER1 1 ACS/SBC ACCUM SBC F125LP none none 17 none 1 N/A 10507( 4) - 12/20/05 12:59 - [ 6] Visit: 02 Visit Priority: Visit Requirements: SCHED 100%; BETWEEN 07-FEB-2006:12:00:00 AND 29-MAY-2006:23:59:59 On Hold Comments: Additional Comments: The 4 orbits should ideally be executed near Jupiter?s opposition (6 May 2006), preferentially during the three-month period prior to opposition or during the second half of May, during which two-gyro observations are possible. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 JUPITER2 ACS/SBC ACCUM SBC F125LP 18 105 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 | ------------------------------------------------------------------------------------------------------------------------------------ JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 1 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 2 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 3 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 4 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 5 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 6 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 7 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 8 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 9 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 10 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 11 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 12 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 13 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 14 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 15 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 16 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 17 none 1 N/A JUPITER2 1 ACS/SBC ACCUM SBC F125LP none none 18 none 1 N/A 10507( 4) - 12/20/05 12:59 - [ 7] Visit: 03 Visit Priority: Visit Requirements: SCHED 100%; BETWEEN 07-FEB-2006:12:00:00 AND 29-MAY-2006:23:59:59 On Hold Comments: Additional Comments: The 4 orbits should ideally be executed near Jupiter?s opposition (6 May 2006), preferentially during the three-month period prior to opposition or during the second half of May, during which two-gyro observations are possible. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 JUPITER3 ACS/SBC ACCUM SBC F125LP 18 105 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 | ------------------------------------------------------------------------------------------------------------------------------------ JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 1 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 2 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 3 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 4 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 5 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 6 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 7 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 8 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 9 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 10 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 11 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 12 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 13 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 14 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 15 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 16 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 17 none 1 N/A JUPITER3 1 ACS/SBC ACCUM SBC F125LP none none 18 none 1 N/A 10507( 4) - 12/20/05 12:59 - [ 8] Visit: 04 Visit Priority: Visit Requirements: SCHED 100%; BETWEEN 07-FEB-2006:12:00:00 AND 29-MAY-2006:23:59:59 On Hold Comments: Additional Comments: The 4 orbits should ideally be executed near Jupiter?s opposition (6 May 2006), preferentially during the three-month period prior to opposition or during the second half of May, during which two-gyro observations are possible. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 JUPITER4 ACS/SBC ACCUM SBC F125LP 18 105 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 | ------------------------------------------------------------------------------------------------------------------------------------ JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 1 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 2 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 3 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 4 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 5 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 6 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 7 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 8 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 9 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 10 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 11 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 12 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 13 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 14 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 15 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 16 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 17 none 1 N/A JUPITER4 1 ACS/SBC ACCUM SBC F125LP none none 18 none 1 N/A 10507( 4) - 12/20/05 12:59 - [ 9] Summary Form for Proposal 10507 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures SBC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/SBC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements SCHED 100%; BETWEEN 07-FEB-2006 00 00 00 AND 08-FEB-2006 00 00 00; BETWEEN 07-FEB-2006 12 00 00 AND 29-MAY-2006 23 59 59; BETWEEN 07-FEB-2006 12 00 00 AND 29-MAY-2006 23 59 59; BETWEEN 07-FEB-2006 12 00 00 AND 29-MAY-2006 23 59 59; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F125LP ------------------------------------------------------------------------------------------------------------------------------------ Target Names JUPITER1 JUPITER2 JUPITER3 JUPITER4 ------------------------------------------------------------------------------------------------------------------------------------