12463( 11) - 14-Dec-2011 17:09:34 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 12463 Version: 11 Check-in Time: 14-Dec-2011 17:09:34 STScI Edit Number: 8 Title Target of Opportunity Imaging of an Unusual Cloud Feature on Uranus ------------------------------------------------------------------------------------ Type Cycle GO 19 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Heidi B. Hammel Space Science Institute CoI: Dr. Kathy Rages SETI Institute N CoI: Prof. Imke de Pater University of California - Berkeley N CoI: Dr. G. Wes Lockwood Lowell Observatory N CoI: Dr. Lawrence Sromovsky University of Wisconsin - Madison N ------------------------------------------------------------------------------------ Abstract The planet Uranus demonstrated increased atmospheric activity around the time of the 2007 equinox, likely in response to extreme insolation change (Sromovsky et al. 2009, Icarus 203, 265). Convective sites in the planet's southern hemisphere reached unprecedented altitudes in 2003 (Hammel et al. 2005, Icarus 175, 284); a bright northern feature showed the highest contrast yet detected in an outer planet atmosphere (Sromovsky et al. 2007, Icarus 192, 558); and a dark atmospheric feature was detected by Hubble (Hammel et al. 2009, Icarus 201, 257). The historical record makes references to discrete structures (both bright and dark) on Uranus during previous equinoctial apparitions (the last equinox occurred in 1965). The best amateur facilities are now just able to resolve the disk of Uranus and detect such activity if it is very large or has very high contrast. Amateurs also have access to a great many nights of telescope time. If a discrete cloud feature on Uranus is reported through the amateur network, we propose to obtain follow-up images with Hubble's WFC3. The proposed TOO images will permit determination of detailed structure of the feature at visible wavelengths, and will provide vertical and horizontal constraints on the feature's scattering properties. Hubble is the only facility that can provide such information at visible wavelengths. The proposal was accepted in earlier cycles, but not executed because the defined criteria for activation were not met. Because the timescales of change on Uranus are unknown, we resubmit this for consideration in the current cycle. ------------------------------------------------------------------------------------ Observations Description ------------------------ Proposed Observations: We request three orbits of WFC3 imaging in Cycle 18 to obtain disk-resolved images of an anomalous feature on Uranus. In the first and third orbits, we use the following filters: most of a filter set designed for outer planet observations near the methane absorption band near 889 nm as well as a matched methane-continuum pair near 727 nm; filters corresponding to Str̦mgren b and y filters used for long-term brightness monitoring; and the F658N filter similar to one that showed maximum contrast for the Uranus dark spot in C15. In the second orbit, we sample slightly different wavelengths: some of the same 889-nm methane filters; a matched methane-continuum pair near 619 nm; and filters with good contrast for discrete features. We will not dither due to short exposure times (dithering imposes a 2.5-min penalty for 12463( 11) - 14-Dec-2011 17:09:34 - [ 2] splitting the exposure, and dithering several exposures could require a 5.6-min buffer readout). We will use sub-arrays to avoid the need for buffer readouts during our planned visits. Comparisons with images at nearby wavelengths will permit identification of artifacts and cosmic rays. Filter Specifics: The methane sets are specifically crafted to probe the vertical aerosol distribution of cloud features as a function of altitude. In addition, our filter choices provide continuity both with those used for past HST observations and with past ground-based observations (e.g., LockwoodÕs long-term photometry program). The exposures are based on prior HST images made with similar filters, or ETC calculations using ground-based spectroscopy as input. These times are optimized for the ÒtypicalÓ Uranus, and are appropriate for an anomalously dark feature. If an anomalously bright feature is seen, then the times will be reduced further, and perhaps one additional filter might be included. Timings for each orbit will be optimized in Phase 2 sequencing. To compute total times, we assumed a 6-minute guide-star acquisition, 2.6 minutes for each filter change, and an addition 2 minutes for each quad ÒQÓ filter change. Timing: The first orbit should be as soon as possible after discovery, preferably within a few days but this is not critical. The convective episode reported by Hammel et al. (2005a) lasted at least 4 days, perhaps as long as a month. The bright feature tracked by Sromovsky et al. (2007) lasted for at least a year and perhaps significantly longer. The Uranus Dark Spot and its companion material lasted for at least four months (Hammel et al. 2008). Since the triggering feature for this TOO will necessarily have higher contrast than any feature observed by Keck, we estimate the TOO feature would have a similar or even longer lifetime, i.e., many months. Each orbit should have the feature as close as possible to the central meridian to permit optimal imaging of detailed structure. The TOO trigger conditions require that the featureÕs rotation period be known prior to TOO execution; thus the location of the feature relative to the central meridian will be known as well. The feature will likely have a rotation period of order 16-17.5 hours, based on past HST and Keck imaging (Karkoschka 1998; de Pater et al. 2002; Hammel et al. 2001, 2005b; Sromovsky et al. 2007; Hammel et al. 2008). The second orbit should occur about 35 hours (two rotations of Uranus, or 22 HST orbits) after the first orbit. The third should follow about 35 hours after that. The function of the two additional orbits is to characterize the horizontal and vertical evolution of the feature in much the same manner as was done for SaturnÕs Great White Spot (Barnet et al. 1992; Beebe et al. 1992) and for the Uranus dark spot and its companions (Hammel et al. 2008). Evolution of smaller, lower-contrast Uranus features is seen on this time scale with Keck and HST (Hammel et al. 2005a, 2005b; Sromovsky et al. 2007; Hammel et al. 2008). Proprietary period: We are not requesting any proprietary data period for this proposal. Real Time Justification ----------------------- Calibration Justification 12463( 11) - 14-Dec-2011 17:09:34 - [ 3] ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 12463( 11) - 14-Dec-2011 17:09:34 - [ 4] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 1 TARGET NAME: URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET planet uranus ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 STD=URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 5.52 Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ 12463( 11) - 14-Dec-2011 17:09:34 - [ 5] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-BOX Pattern_Purpose DITHER Number_Of_Points 4 Point_Spacing 0.173 Line_Spacing 0.112 Coordinate_Frame POS-TARG Pattern_Orient 23.884 Angle_Between_Sides 81.785 Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.145 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 12463( 11) - 14-Dec-2011 17:09:34 - [ 6] Visit: 01 Visit Requirements: 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| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 URANUS WFC3/UVI ACCUM UVIS2-M51 F467M 1 16 S GS ACQ SCENARIO BASE1B3 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS WFC3/UVI ACCUM UVIS2-M51 F547M 1 6 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 3 URANUS WFC3/UVI ACCUM UVIS2-M51 F658N 1 100 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ727N 1 160 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 5 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ750N 1 60 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 6 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ889N 1 360 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ924N 1 200 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ937N 1 160 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 9 URANUS WFC3/UVI ACCUM UVIS2-M51 F845M 1 35 S PATTERN 2 9 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 1 WFC3/UVI ACCUM UVIS2-M5 F467M none none none none 1 N/A S 12C-SUB URANUS 2 WFC3/UVI ACCUM UVIS2-M5 F547M none none none none 1 N/A S 12C-SUB URANUS 3 WFC3/UVI ACCUM UVIS2-M5 F658N none none none none 1 N/A S 12C-SUB URANUS 4 WFC3/UVI ACCUM UVIS-QUA FQ727N none none none none 1 N/A S D-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 7] 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 5 WFC3/UVI ACCUM UVIS-QUA FQ750N none none none none 1 N/A S D-SUB URANUS 6 WFC3/UVI ACCUM UVIS-QUA FQ889N none none none none 1 N/A S D-SUB URANUS 7 WFC3/UVI ACCUM UVIS-QUA FQ924N none none none none 1 N/A S D-SUB URANUS 8 WFC3/UVI ACCUM UVIS-QUA FQ937N none none none none 1 N/A S D-SUB URANUS 9 WFC3/UVI ACCUM UVIS2-M5 F845M 1 none none none 1 N/A S 12C-SUB URANUS 9 WFC3/UVI ACCUM UVIS2-M5 F845M 2 none none none 1 N/A S 12C-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 8] Visit: 02 Visit Requirements: 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| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 URANUS WFC3/UVI ACCUM UVIS2-M51 F467M 1 16 S GS ACQ SCENARIO BASE1B3 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS WFC3/UVI ACCUM UVIS2-M51 F547M 1 6 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 3 URANUS WFC3/UVI ACCUM UVIS2-M51 F658N 1 100 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS WFC3/UVI ACCUM UVIS2-M51 F775W 1 20 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 5 URANUS WFC3/UVI ACCUM UVIS2-M51 F845M 1 35 S PATTERN 1 5 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 6 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ619N 1 100 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ889N 1 360 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ906N 1 300 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 9 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ937N 1 160 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 1 WFC3/UVI ACCUM UVIS2-M5 F467M none none none none 1 N/A S 12C-SUB URANUS 2 WFC3/UVI ACCUM UVIS2-M5 F547M none none none none 1 N/A S 12C-SUB URANUS 3 WFC3/UVI ACCUM UVIS2-M5 F658N none none none none 1 N/A S 12C-SUB URANUS 4 WFC3/UVI ACCUM UVIS2-M5 F775W none none none none 1 N/A S 12C-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 9] 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 5 WFC3/UVI ACCUM UVIS2-M5 F845M 1 none none none 1 N/A S 12C-SUB URANUS 5 WFC3/UVI ACCUM UVIS2-M5 F845M 2 none none none 1 N/A S 12C-SUB URANUS 5 WFC3/UVI ACCUM UVIS2-M5 F845M 3 none none none 1 N/A S 12C-SUB URANUS 5 WFC3/UVI ACCUM UVIS2-M5 F845M 4 none none none 1 N/A S 12C-SUB URANUS 6 WFC3/UVI ACCUM UVIS-QUA FQ619N none none none none 1 N/A S D-SUB URANUS 7 WFC3/UVI ACCUM UVIS-QUA FQ889N none none none none 1 N/A S D-SUB URANUS 8 WFC3/UVI ACCUM UVIS-QUA FQ906N none none none none 1 N/A S D-SUB URANUS 9 WFC3/UVI ACCUM UVIS-QUA FQ937N none none none none 1 N/A S D-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 10] Visit: 03 Visit Requirements: 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| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 URANUS WFC3/UVI ACCUM UVIS2-M51 F467M 1 16 S GS ACQ SCENARIO BASE1B3 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS WFC3/UVI ACCUM UVIS2-M51 F547M 1 6 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 3 URANUS WFC3/UVI ACCUM UVIS2-M51 F658N 1 100 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ727N 1 160 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 5 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ750N 1 60 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 6 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ889N 1 360 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ924N 1 200 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ937N 1 160 S S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 9 URANUS WFC3/UVI ACCUM UVIS2-M51 F845M 1 35 S PATTERN 2 9 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 1 WFC3/UVI ACCUM UVIS2-M5 F467M none none none none 1 N/A S 12C-SUB URANUS 2 WFC3/UVI ACCUM UVIS2-M5 F547M none none none none 1 N/A S 12C-SUB URANUS 3 WFC3/UVI ACCUM UVIS2-M5 F658N none none none none 1 N/A S 12C-SUB URANUS 4 WFC3/UVI ACCUM UVIS-QUA FQ727N none none none none 1 N/A S D-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 11] 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 5 WFC3/UVI ACCUM UVIS-QUA FQ750N none none none none 1 N/A S D-SUB URANUS 6 WFC3/UVI ACCUM UVIS-QUA FQ889N none none none none 1 N/A S D-SUB URANUS 7 WFC3/UVI ACCUM UVIS-QUA FQ924N none none none none 1 N/A S D-SUB URANUS 8 WFC3/UVI ACCUM UVIS-QUA FQ937N none none none none 1 N/A S D-SUB URANUS 9 WFC3/UVI ACCUM UVIS2-M5 F845M 1 none none none 1 N/A S 12C-SUB URANUS 9 WFC3/UVI ACCUM UVIS2-M5 F845M 2 none none none 1 N/A S 12C-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 12] Visit: 04 Visit Requirements: 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| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 URANUS WFC3/UVI ACCUM UVIS2-M51 F467M 1 16 S GS ACQ SCENARIO SINGLE S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS WFC3/UVI ACCUM UVIS2-M51 F547M 1 6 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 3 URANUS WFC3/UVI ACCUM UVIS2-M51 F658N 1 100 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS WFC3/UVI ACCUM UVIS2-M51 F845M 1 35 S PATTERN 2 4 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 5 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ889N 1 360 S POS TARG 10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 6 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ750N 1 60 S POS TARG -10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ937N 1 160 S POS TARG -10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ727N 1 160 S POS TARG -10, 10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 9 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ924N 1 200 S POS TARG -10, 10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 1 WFC3/UVI ACCUM UVIS2-M5 F467M none none none none 1 N/A S 12C-SUB URANUS 2 WFC3/UVI ACCUM UVIS2-M5 F547M none none none none 1 N/A S 12C-SUB URANUS 3 WFC3/UVI ACCUM UVIS2-M5 F658N none none none none 1 N/A S 12C-SUB URANUS 4 WFC3/UVI ACCUM UVIS2-M5 F845M 1 none none none 1 N/A S 12C-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 13] 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 4 WFC3/UVI ACCUM UVIS2-M5 F845M 2 none none none 1 N/A S 12C-SUB URANUS 5 WFC3/UVI ACCUM UVIS-QUA FQ889N none none none none 1 N/A S D-SUB URANUS 6 WFC3/UVI ACCUM UVIS-QUA FQ750N none none none none 1 N/A S D-SUB URANUS 7 WFC3/UVI ACCUM UVIS-QUA FQ937N none none none none 1 N/A S D-SUB URANUS 8 WFC3/UVI ACCUM UVIS-QUA FQ727N none none none none 1 N/A S D-SUB URANUS 9 WFC3/UVI ACCUM UVIS-QUA FQ924N none none none none 1 N/A S D-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 14] Visit: 05 Visit Requirements: 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| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ906N 1 300 S POS TARG 10, 10; GS ACQ S -SUB SCENARIO SINGLE ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS WFC3/UVI ACCUM UVIS2-M51 F467M 1 16 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 3 URANUS WFC3/UVI ACCUM UVIS2-M51 F547M 1 6 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS WFC3/UVI ACCUM UVIS2-M51 F658N 1 100 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 5 URANUS WFC3/UVI ACCUM UVIS2-M51 F775W 1 20 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 6 URANUS WFC3/UVI ACCUM UVIS2-M51 F845M 1 35 S PATTERN 1 6 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ619N 1 100 S POS TARG 10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ889N 1 360 S POS TARG 10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 9 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ937N 1 160 S POS TARG -10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 1 WFC3/UVI ACCUM UVIS-QUA FQ906N none none none none 1 N/A S D-SUB URANUS 2 WFC3/UVI ACCUM UVIS2-M5 F467M none none none none 1 N/A S 12C-SUB URANUS 3 WFC3/UVI ACCUM UVIS2-M5 F547M none none none none 1 N/A S 12C-SUB URANUS 4 WFC3/UVI ACCUM UVIS2-M5 F658N none none none none 1 N/A S 12C-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 15] 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 5 WFC3/UVI ACCUM UVIS2-M5 F775W none none none none 1 N/A S 12C-SUB URANUS 6 WFC3/UVI ACCUM UVIS2-M5 F845M 1 none none none 1 N/A S 12C-SUB URANUS 6 WFC3/UVI ACCUM UVIS2-M5 F845M 2 none none none 1 N/A S 12C-SUB URANUS 6 WFC3/UVI ACCUM UVIS2-M5 F845M 3 none none none 1 N/A S 12C-SUB URANUS 6 WFC3/UVI ACCUM UVIS2-M5 F845M 4 none none none 1 N/A S 12C-SUB URANUS 7 WFC3/UVI ACCUM UVIS-QUA FQ619N none none none none 1 N/A S D-SUB URANUS 8 WFC3/UVI ACCUM UVIS-QUA FQ889N none none none none 1 N/A S D-SUB URANUS 9 WFC3/UVI ACCUM UVIS-QUA FQ937N none none none none 1 N/A S D-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 16] Visit: 06 Visit Requirements: 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| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 URANUS WFC3/UVI ACCUM UVIS2-M51 F467M 1 16 S GS ACQ SCENARIO SINGLE S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS WFC3/UVI ACCUM UVIS2-M51 F547M 1 6 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 3 URANUS WFC3/UVI ACCUM UVIS2-M51 F658N 1 100 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS WFC3/UVI ACCUM UVIS2-M51 F845M 1 35 S PATTERN 2 4 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 5 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ889N 1 360 S POS TARG 10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 6 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ750N 1 60 S POS TARG -10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ937N 1 160 S POS TARG -10, -10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ727N 1 160 S POS TARG -10, 10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 9 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ924N 1 200 S POS TARG -10, 10 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 1 WFC3/UVI ACCUM UVIS2-M5 F467M none none none none 1 N/A S 12C-SUB URANUS 2 WFC3/UVI ACCUM UVIS2-M5 F547M none none none none 1 N/A S 12C-SUB URANUS 3 WFC3/UVI ACCUM UVIS2-M5 F658N none none none none 1 N/A S 12C-SUB URANUS 4 WFC3/UVI ACCUM UVIS2-M5 F845M 1 none none none 1 N/A S 12C-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 17] 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 | ------------------------------------------------------------------------------------------------------------------------------------ URANUS 4 WFC3/UVI ACCUM UVIS2-M5 F845M 2 none none none 1 N/A S 12C-SUB URANUS 5 WFC3/UVI ACCUM UVIS-QUA FQ889N none none none none 1 N/A S D-SUB URANUS 6 WFC3/UVI ACCUM UVIS-QUA FQ750N none none none none 1 N/A S D-SUB URANUS 7 WFC3/UVI ACCUM UVIS-QUA FQ937N none none none none 1 N/A S D-SUB URANUS 8 WFC3/UVI ACCUM UVIS-QUA FQ727N none none none none 1 N/A S D-SUB URANUS 9 WFC3/UVI ACCUM UVIS-QUA FQ924N none none none none 1 N/A S D-SUB 12463( 11) - 14-Dec-2011 17:09:34 - [ 18] Summary Form for Proposal 12463 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-QUAD-SUB, UVIS2-M512C-SUB ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements GS ACQ SCENARIO BASE1B3, GS ACQ SCENARIO SINGLE, PATTERN 1 5, PATTERN 1 6, PATTERN 2 4, PATTERN 2 9, POS TARG -10, -10, POS TARG -10, 10, POS TARG 10, -10, POS TARG 10, 10 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F467M, F547M, F658N, F775W, F845M, FQ619N, FQ727N, FQ750N, FQ889N, FQ906N, FQ924N, FQ937N ------------------------------------------------------------------------------------------------------------------------------------ Target Names URANUS ------------------------------------------------------------------------------------------------------------------------------------