13168( 2) - 04-Oct-2012 10:24:38 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 13168 Version: 2 Check-in Time: 04-Oct-2012 10:24:38 STScI Edit Number: 0 Title UVIS CCD Gain Stability ------------------------------------------------------------------------------------ Type Cycle CAL/WFC3 20 ------------------------------------------------------------------------------------ Investigators Contact? PI: Heather Gunning Space Telescope Science Institute Y CoI: Dr. Sylvia M. Baggett Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract The absolute gain will be measured for each quadrant of the WFC3 UVIS detector and compared to previous cycles to monitor gain stability. ------------------------------------------------------------------------------------ Observations Description ------------------------ The absolute gain will be measured for each quadrant of the nominal detector readout configuration (ABCD, gain=1.5 e-/DN, bin=NONE) by taking 8 full frame pairs of internal flat fields. The flat fields will be illuminated with the UVIS tungsten default lamp through F645N with a range of integration times to obtain exposure levels of ~500 to 50, 000 e-. This program will consist of 2 epochs, separated by 6 months, where each epoch has 5 internal orbits for a total of 10 internal orbits. To allow the gain variability to be checked across the FOV, and provide good statistics, we make use of full frames (instead of subarrays) to match the observing mode of the majority of GO science. This is a continuation of programs 12346 and 12690, previous measurements have been stable. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 13168( 2) - 04-Oct-2012 10:24:38 - [ 2] Visit: 01 Visit Requirements: BETWEEN 01-DEC-2012:00:00:00 AND 31-JAN-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 1, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-2 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 105.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 3] Visit: 02 Visit Requirements: BETWEEN 01-DEC-2012:00:00:00 AND 31-JAN-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 1, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-2 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 80.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 4] Visit: 03 Visit Requirements: BETWEEN 01-DEC-2012:00:00:00 AND 31-JAN-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 1, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-3 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 45.0 S S ------------------------------------------------------------------------------------------------------------------------------------ 3 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 1.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 5] Visit: 04 Visit Requirements: BETWEEN 01-DEC-2012:00:00:00 AND 31-JAN-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 1, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-3 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 12.0 S S ------------------------------------------------------------------------------------------------------------------------------------ 3 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 5.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 6] Visit: 05 Visit Requirements: BETWEEN 01-DEC-2012:00:00:00 AND 31-JAN-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 1, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60.0 S SEQ 1-3 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 25.0 S S ------------------------------------------------------------------------------------------------------------------------------------ 3 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 2.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 7] Visit: 06 Visit Requirements: BETWEEN 01-JUN-2013:00:00:00 AND 31-JUL-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 2, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-2 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 105.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 8] Visit: 07 Visit Requirements: BETWEEN 01-JUN-2013:00:00:00 AND 31-JUL-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 2, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-2 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 80.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 9] Visit: 08 Visit Requirements: BETWEEN 01-JUN-2013:00:00:00 AND 31-JUL-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 2, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-3 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 45.0 S S ------------------------------------------------------------------------------------------------------------------------------------ 3 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 1.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 10] Visit: 09 Visit Requirements: BETWEEN 01-JUN-2013:00:00:00 AND 31-JUL-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 2, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60 S SEQ 1-3 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 12.0 S S ------------------------------------------------------------------------------------------------------------------------------------ 3 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 5.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 11] Visit: 10 Visit Requirements: BETWEEN 01-JUN-2013:00:00:00 AND 31-JUL-2013:00:00:00 On Hold Comments: Additional Comments: Epoch 2, nominal detector readout configuration: ABCD, gain=1.5 e-/DN, bin=NONE Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TUNGSTEN WFC3/UVI ACCUM UVIS1-M51 F645N 1 60.0 S SEQ 1-3 NON-INT S 2-SUB ------------------------------------------------------------------------------------------------------------------------------------ 2 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 25.0 S S ------------------------------------------------------------------------------------------------------------------------------------ 3 TUNGSTEN WFC3/UVI ACCUM UVIS F645N GAIN=1.5 2 2.0 S 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 | ------------------------------------------------------------------------------------------------------------------------------------ TUNGSTEN 1 WFC3/UVI ACCUM UVIS1-M5 F645N none none none none 1 N/A S 12-SUB TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 2 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 1 none 1 N/A S TUNGSTEN 3 WFC3/UVI ACCUM UVIS F645N none none 2 none 1 N/A S 13168( 2) - 04-Oct-2012 10:24:38 - [ 12] Summary Form for Proposal 13168 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS, UVIS1-M512-SUB ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters GAIN=1.5 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BETWEEN 01-DEC-2012:00:00:00 AND 31-JAN-2013:00:00:00, BETWEEN 01-JUN-2013:00:00:00 AND 31-JUL-2013:00:00:00, SEQ 1-2 NON-INT, SEQ 1-3 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F645N ------------------------------------------------------------------------------------------------------------------------------------ Target Names TUNGSTEN ------------------------------------------------------------------------------------------------------------------------------------