12894( 5) - 13-Aug-2012 14:20:35 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 12894 Version: 5 Check-in Time: 13-Aug-2012 14:20:35 STScI Edit Number: 2 Title Methane migration on a Uranus-class planet: symmetric or seasonal? ------------------------------------------------------------------------------------ Type Cycle GO 20 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Lawrence Sromovsky University of Wisconsin - Madison Y CoI: Dr. Erich Karkoschka University of Arizona N CoI: Prof. Imke de Pater University of California - Berkeley N CoI: Dr. Kathy Rages SETI Institute N CoI: Dr. Heidi B. Hammel Space Science Institute N CoI: Mr. Patrick M. Fry University of Wisconsin - Madison Y ------------------------------------------------------------------------------------ Abstract We propose 3 STIS orbits and one WFC3 orbit to obtain spatially resolved 300-1000 nm spectra of the ice giant Uranus, which will be used to determine (1) whether its northern high latitudes have the same methane depletion that has been inferred at high southern latitudes from similar 2002 observations, or whether it has a different depletion indicating seasonal forcing, (2) cloud and haze structure changes since 2002 (5 years before equinox), and (3) the current cloud structure at high northern latitudes that will be accessible during Cycle 20 (5 years after equinox). The complete lack of discrete cloud features pole-ward of 45 S correlates with the inferred local depletion of methane gas and raises questions about methane depletion at high northern latitudes where discrete cloud features have been recently observed. We propose to answer this question firmly by use of spectral differences in methane and hydrogen absorption near 825 nm. This will constrain the methane distribution over the latitude range from 25 S to 70 N, over which the cloud and haze distribution will also be tightly constrained by spectral limb darkening observations. The three STIS orbits will orient the spectral slit along Uranus' polar axis and step from the edge to the center of the disk, taking advantage of the zonal symmetry of Uranus to reduce total observing time by half. The orbit of WFC3 imaging over a broad range of wavelengths provides key information in support of complex corrections needed to produce well calibrated spectra. These results will be relevant to extra-solar science, as Uranus represents a size class that is the most abundant among Kepler extra-solar planet candidates. ------------------------------------------------------------------------------------ Observations Description ------------------------ Re-observe Uranus with STIS, as was done in 2002 (Program 9035); 3 orbits. One orbit of WFC3 imaging. Original description from Program 9035 (updated slightly): During the first orbit, we will use STIS with grating G430L and a 0.1" slit for wavelengths 290-570 nm and 70 second exposure time each. The slit orientation with be parallel to the central meridian. Considering overhead times, 13 positions will be possible distributed between the central meridian and the evening limb equally spaced by 0.15". At wavelengths below 540 nm, Uranus does 12894( 5) - 13-Aug-2012 14:20:35 - [ 2] not display much latitudinal contrasts. Thus, the significant center-to- limb variations are expected to be well recorded by those slit positions. For the next two orbits, we propose to use STIS with grating G750L and 0.1" slit for wavelengths 524- 1027 nm and 86 second exposure time each. Sampling the 1.85" radius of Uranus at 0.057" sampling from central meridian to evening limb with an additional exposure on each side to account for impecfect centering in the acquisition requires 36 exposures (18 per orbit). We plan to read out only 7" around Uranus to reduce overhead times. For both gratings, we expect about 5, 000 electrons per pixel at the brightest part of Uranus at the brightest wavelength, which typically gives signal-to-noise ratios of 50 per pixel. The gain 1 setting will be used. Wavecals and G750L fringe flats will be scheduled between orbits. Overhead for data management will not be required since we will read out only 140 rows. The target acquisition will be a diffuse acquisition on Uranus with flux-centered checkbox of 33 pixels with aperture F28X50LP and 5 sec exposure time. The target acquisition exposure will help in the navigation of the exposures with the G750L grating. The overlapping spectral region will facilitate navigation of the remaining exposures. We tested our target acquisition method with WFPC2 images in 21 different filters. The root-mean-square deviation in east-west centering between our acquisition method and a limb fitting method was 0.03". The deviation was only 0.02" for an average image of many red and near-infrared WFPC2 images which approximates the throughput of the F28X50LP aperture. Thus, we are confindent that centering on Uranus will be more accurate than required. Real Time Justification ----------------------- Time-critical observations: In order to take advantage of the almost perfect east-west symmetry of Uranus (to a lesser degree of Neptune), the slit needs to be aligned along the central meridians. This restricts scheduling of the observations within a few days of opposition for Uranus. Calibration Justification ------------------------- The STIS wavecals and G750L fringe flats have been specified to occur at the end of the orbits so that they may occur during occultation. Additional Comments ------------------- All WFC3 exposures have CR-SPLIT=NO to reduce overhead. POS-TARG offsets for quad filter WFC3 exposures have been specified to place target approximately 20 arcseconds closer to center of array relative to "optimal" aperture locations. This places the planet approximately 10 arcseconds towards the center of the array relative to the "QUAD-FIX" fiducial points. This has been done to reduce telescope move magnitudes (between different quads), while still leaving a 512 x 512 pixel area around the target outside of the quad filter vignetted regions. The proposal uses "available" and "pc use only" features to allow suppression of WAVECALS from beginning of orbits (they have been specified at the end of the orbits) and to specify the "NEW ALIGNMENT" flag per PC's instructions. ------------------------------------------------------------------------------------ 12894( 5) - 13-Aug-2012 14:20:35 - [ 3] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 5 TARGET NAME: URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 STD=URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 5.52 B-V=0.56 Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 2 TARGET NAME: URANUS-MOSAIC-BLUE ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET OFFSET URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 STD=URANUS TYPE=POS_ANGLE, RAD=1.8252, ANG=344.6, REF=NORTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 5.52 B-V=0.56 Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ 12894( 5) - 13-Aug-2012 14:20:35 - [ 4] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 3 TARGET NAME: URANUS-MOSAIC-RED-1 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET OFFSET URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 STD=URANUS TYPE=POS_ANGLE, RAD=1.9346, ANG=344.6, REF=NORTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 5.52 B-V=0.56 Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 4 TARGET NAME: URANUS-MOSAIC-RED-2 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: PLANET OFFSET URANUS ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 STD=URANUS TYPE=POS_ANGLE, RAD=0.9104, ANG=344.6, REF=NORTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 5.52 B-V=0.56 Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ 12894( 5) - 13-Aug-2012 14:20:35 - [ 5] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type LINE Pattern_Purpose MOSAIC Number_Of_Points 13 Point_Spacing 0.1521 Line_Spacing Coordinate_Frame CELESTIAL Pattern_Orient 164.6 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type LINE Pattern_Purpose MOSAIC Number_Of_Points 18 Point_Spacing .0569 Line_Spacing Coordinate_Frame CELESTIAL Pattern_Orient 164.6 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 12894( 5) - 13-Aug-2012 14:20:35 - [ 6] Visit: 01 Visit Requirements: SCHED 100%; ORIENT 299.5D TO 299.7 D On Hold Comments: Additional Comments: Slit-orientation must be parallel to the rotation axis of Uranus (PA = 254.60/74.60 in early Oct 2012) to use Uranus' east-west symmetry. See comments for exposures 2, 4, and 7. To fill orbits, those exposures may be slightly modified. 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 STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=DIFFUSE, 1 5 S GS ACQ SCENARIO BASE1B3 DIFFUSE-CENTER=FLUX-CENTROID, CHECKBOX=33 ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS-MOSA STIS/CCD ACCUM 52X0.1E1 G430L 4300 SIZEAXIS2=140, CR-SPLIT=NO, 1 70 S GS ACQ SCENARIO BASE1B3; IC-BLUE WAVECAL=NO PATTERN 1 2 Comments: Exposure time may be adjusted slightly to fill assigned orbit. ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.1 G430L 4300 1 DEF NEW ALIGNMENT ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS-MOSA STIS/CCD ACCUM 52X0.1E1 G750L 7751 SIZEAXIS2=140, CR-SPLIT=NO 1 86 S GS ACQ SCENARIO BASE1B3; IC-RED-1 PATTERN 2 4 Comments: Exposure time may be adjusted slightly to fill assigned orbit. ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.1 G750L 7751 1 DEF NEW ALIGNMENT ------------------------------------------------------------------------------------------------------------------------------------ 6 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF Comments: Intended to run after URANUS-MOSAIC-RED-1 target sequence. ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS-MOSA STIS/CCD ACCUM 52X0.1E1 G750L 7751 SIZEAXIS2=140, CR-SPLIT=NO 1 86 S GS ACQ SCENARIO BASE1B3; IC-RED-2 PATTERN 2 7 Comments: Exposure time may be adjusted slightly to fill assigned orbit. ------------------------------------------------------------------------------------------------------------------------------------ 8 WAVE STIS/CCD ACCUM 52X0.1 G750L 7751 1 DEF NEW ALIGNMENT ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF Comments: Intended to run after URANUS-MOSAIC-RED-2 target sequence. ------------------------------------------------------------------------------------------------------------------------------------ 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 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A 12894( 5) - 13-Aug-2012 14:20:35 - [ 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-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 1 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 2 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 3 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 4 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 5 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 6 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 7 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 8 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 9 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 10 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 11 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 12 none none none 1 N/A URANUS-MOSAIC-BLUE 2 STIS/CCD ACCUM 52X0.1E1 G430L 4300 13 none none none 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.1 G430L 4300 none none none none 1 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 1 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 2 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 3 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 4 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 5 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 6 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 7 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 8 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 9 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 10 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 11 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 12 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 13 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 14 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 15 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 16 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 17 none none none 2 N/A URANUS-MOSAIC-RED-1 4 STIS/CCD ACCUM 52X0.1E1 G750L 7751 18 none none none 2 N/A WAVE 5 STIS/CCD ACCUM 52X0.1 G750L 7751 none none none none 2 N/A CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 2 N/A CCDFLAT 6 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 2 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 1 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 2 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 3 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 4 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 5 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 6 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 7 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 8 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 9 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 10 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 11 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 12 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 13 none none none 3 N/A 12894( 5) - 13-Aug-2012 14:20:35 - [ 8] 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-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 14 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 15 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 16 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 17 none none none 3 N/A URANUS-MOSAIC-RED-2 7 STIS/CCD ACCUM 52X0.1E1 G750L 7751 18 none none none 3 N/A WAVE 8 STIS/CCD ACCUM 52X0.1 G750L 7751 none none none none 3 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 3 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 3 N/A 12894( 5) - 13-Aug-2012 14:20:35 - [ 9] Visit: 02 Visit Requirements: SCHED 100%; AFTER 01 BY 0 D TO 7 D On Hold Comments: Additional Comments: VISIT should occur within 7 days of STIS orbits so that Uranus phase angle is < 0.4 degrees difference from STIS observations. 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 F336W CR-SPLIT=NO 1 30 S GS ACQ SCENARIO BASE1B3 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 URANUS WFC3/UVI ACCUM UVIS2-M51 F467M CR-SPLIT=NO 1 16 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 3 URANUS WFC3/UVI ACCUM UVIS2-M51 F547M CR-SPLIT=NO 1 6 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 4 URANUS WFC3/UVI ACCUM UVIS2-M51 F631N CR-SPLIT=NO 1 65 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 5 URANUS WFC3/UVI ACCUM UVIS2-M51 F665N CR-SPLIT=NO 1 52 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 6 URANUS WFC3/UVI ACCUM UVIS2-M51 F763M CR-SPLIT=NO 1 26 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 URANUS WFC3/UVI ACCUM UVIS2-M51 F845M CR-SPLIT=NO 1 35 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 URANUS WFC3/UVI ACCUM UVIS2-M51 F953N CR-SPLIT=NO 1 250 S S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 9 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ889N CR-SPLIT=NO 1 450 S POS TARG 15, -15 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 10 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ937N CR-SPLIT=NO 1 160 S POS TARG -15, -15 S -SUB ------------------------------------------------------------------------------------------------------------------------------------ 11 URANUS WFC3/UVI ACCUM UVIS-QUAD FQ727N CR-SPLIT=NO 1 240 S POS TARG -15, 15 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 F336W none none none none 1 N/A S 12C-SUB 12894( 5) - 13-Aug-2012 14:20:35 - [ 10] 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 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 F631N none none none none 1 N/A S 12C-SUB URANUS 5 WFC3/UVI ACCUM UVIS2-M5 F665N none none none none 1 N/A S 12C-SUB URANUS 6 WFC3/UVI ACCUM UVIS2-M5 F763M none none none none 1 N/A S 12C-SUB URANUS 7 WFC3/UVI ACCUM UVIS2-M5 F845M none none none none 1 N/A S 12C-SUB URANUS 8 WFC3/UVI ACCUM UVIS2-M5 F953N none none none none 1 N/A S 12C-SUB URANUS 9 WFC3/UVI ACCUM UVIS-QUA FQ889N none none none none 1 N/A S D-SUB URANUS 10 WFC3/UVI ACCUM UVIS-QUA FQ937N none none none none 1 N/A S D-SUB URANUS 11 WFC3/UVI ACCUM UVIS-QUA FQ727N none none none none 1 N/A S D-SUB 12894( 5) - 13-Aug-2012 14:20:35 - [ 11] Summary Form for Proposal 12894 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 52X0.1, 52X0.1E1, F28X50LP, UVIS-QUAD-SUB, UVIS2-M512C-SUB ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ACQTYPE=DIFFUSE, CHECKBOX=33, CR-SPLIT=NO, DIFFUSE-CENTER=FLUX-CENTROID, SIZEAXIS2=140, WAVECAL=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 0 D TO 7 D, GS ACQ SCENARIO BASE1B3, NEW ALIGNMENT, ORIENT 299.5D TO 299.7 D, PATTERN 1 2, PATTERN 2 4, PATTERN 2 7, POS TARG -15, -15, POS TARG -15, 15, POS TARG 15, -15, SCHED 100% ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F336W, F467M, F547M, F631N, F665N, F763M, F845M, F953N, FQ727N, FQ889N, FQ937N, G430L, G750L, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names CCDFLAT, URANUS, URANUS-MOSAIC-BLUE, URANUS-MOSAIC-RED-1, URANUS-MOSAIC-RED-2, WAVE ------------------------------------------------------------------------------------------------------------------------------------