6182( 7) - 01/16/96 17:14 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 6182 Version: 7 Check-in Date: 16-Jan-1996 17:05:27 1.Proposal Title: WFPC2 CYCLE 5: PHOTOMETRIC TRANSFORMATION ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Cycle CAL/WFC 5 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: CASERTANO, STEFANO STScI ------------------------------------------------------------------------------------ 6. Abstract ------------------------------------------------------------------------------------ Observations Description ------------------------ A photometric standard star field in Omega Cen is observed twice, once at the September 1994 orientation and once rotated by 180 degrees (to correct to first order for residual CTE effects). All broad and medium bandpass filters are used. Based on cycle 4 program 5663, this proposal also gives a check on the long term full field photometric stability of the instrument. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- This proposal requires 4 orbits. Independent of the synthetic photometry results, this test gives direct transformations to the Johnson-Cousins system for red sources. These transformations should be accurate to 1%. The stability of these transformations will be measured to the sub-percent level (because the errors in the the ground-based photometry do not enter significantly). A comparison with the corresponding cycle 4 monitor (which ran monthly) will verify the photometric stability of the camera. Direct transformations to the Johnson-Cousins photometry system can be derived for all filters. The observations also provide a check of the astrometric and PSF stability of the instrument over its full field of view. Expected to run 9/95 and 3/96. ------------------------------------------------------------------------------------ 6182( 7) - 01/16/96 17:14 - [ 2] Data Distribution Media: 8MM Blocking Factor: 10 Ship To: PI_Address Ship Via: UPS Email: , ------------------------------------------------------------------------------------ 6182( 7) - 01/16/96 17:14 - [ 3] TARGET LIST a) Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC5139 CALIBRATION,PHOTOMETRIC RA=13H 25M 37.04S +/- 0.100S, J2000 V = 14.5 , DEC= -47D 35' 38.3" +/- 1.00" Comments: NGC5139 IS THE PRIMARY TARGET 6182( 7) - 01/16/96 17:14 - [ 4] Visit: 01 Visit Requirements: AFTER 1-AUG-1995 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC5139 WFPC2 IMAGE WFALL F336W CR-SPLIT=0.5, 1 10M ATD-GAIN=15 Comments: Visit 1 has already executed, V3 Roll was 315.48 ------------------------------------------------------------------------------------------------------------------------------------ 20 NGC5139 WFPC2 IMAGE WFALL F439W CR-SPLIT=0.5, 1 160S ATD-GAIN=15 ------------------------------------------------------------------------------------------------------------------------------------ 30 NGC5139 WFPC2 IMAGE WFALL F555W ATD-GAIN=15 1 16S ------------------------------------------------------------------------------------------------------------------------------------ 40 NGC5139 WFPC2 IMAGE WFALL F675W ATD-GAIN=15 1 12S ------------------------------------------------------------------------------------------------------------------------------------ 50 NGC5139 WFPC2 IMAGE WFALL F814W ATD-GAIN=15 1 14S ------------------------------------------------------------------------------------------------------------------------------------ 60 NGC5139 WFPC2 IMAGE WFALL F300W ATD-GAIN=15 , 1 520S CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 70 NGC5139 WFPC2 IMAGE WFALL F380W ATD-GAIN=15 , 1 360S CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 80 NGC5139 WFPC2 IMAGE WFALL F450W ATD-GAIN=15 1 20S ------------------------------------------------------------------------------------------------------------------------------------ 90 NGC5139 WFPC2 IMAGE WFALL F410M ATD-GAIN=15 , 1 520S CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 100 NGC5139 WFPC2 IMAGE WFALL F467M ATD-GAIN=15 1 160S ------------------------------------------------------------------------------------------------------------------------------------ 110 NGC5139 WFPC2 IMAGE WFALL F547M ATD-GAIN=15 1 35S ------------------------------------------------------------------------------------------------------------------------------------ 120 NGC5139 WFPC2 IMAGE WFALL F569W ATD-GAIN=15 1 20S ------------------------------------------------------------------------------------------------------------------------------------ 130 NGC5139 WFPC2 IMAGE WFALL F606W ATD-GAIN=15 1 10S ------------------------------------------------------------------------------------------------------------------------------------ 140 NGC5139 WFPC2 IMAGE WFALL F622W ATD-GAIN=15 1 10S ------------------------------------------------------------------------------------------------------------------------------------ 150 NGC5139 WFPC2 IMAGE WFALL F702W ATD-GAIN=15 1 8S ------------------------------------------------------------------------------------------------------------------------------------ 160 NGC5139 WFPC2 IMAGE WFALL F785LP ATD-GAIN=15 1 30S ------------------------------------------------------------------------------------------------------------------------------------ 170 NGC5139 WFPC2 IMAGE WFALL F791W ATD-GAIN=15 1 14S ------------------------------------------------------------------------------------------------------------------------------------ 180 NGC5139 WFPC2 IMAGE WFALL F850LP ATD-GAIN=15 1 60S ------------------------------------------------------------------------------------------------------------------------------------ 190 NGC5139 WFPC2 IMAGE WFALL F1042M ATD-GAIN=15 , 1 600S CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 6182( 7) - 01/16/96 17:14 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 199 NGC5139 WFPC2 IMAGE WFALL F255W ATD-GAIN=15 , 1 800S CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 6182( 7) - 01/16/96 17:14 - [ 6] Visit: 02 Visit Requirements: ORIENT 130.5D TO 140.5D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 210 NGC5139 WFPC2 IMAGE WFALL F336W CR-SPLIT=0.5, 1 10M POS TARG -56.5,+20.0; MAX DUR ATD-GAIN=15 Comments: POS TARG set up to take object outside FOV ------------------------------------------------------------------------------------------------------------------------------------ 220 NGC5139 WFPC2 IMAGE WFALL F439W CR-SPLIT=0.5, 1 160S SAME POS AS 210; MAX DUR ATD-GAIN=15 Comments: Best Roll Angle is 135.5D ------------------------------------------------------------------------------------------------------------------------------------ 230 NGC5139 WFPC2 IMAGE WFALL F555W ATD-GAIN=15 1 16S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 240 NGC5139 WFPC2 IMAGE WFALL F675W ATD-GAIN=15 1 12S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 260 NGC5139 WFPC2 IMAGE WFALL F300W ATD-GAIN=15 , 1 520S SAME POS AS 210; MAX DUR CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 270 NGC5139 WFPC2 IMAGE WFALL F380W ATD-GAIN=15 , 1 360S SAME POS AS 210; MAX DUR CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 280 NGC5139 WFPC2 IMAGE WFALL F450W ATD-GAIN=15 1 20S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 290 NGC5139 WFPC2 IMAGE WFALL F410M ATD-GAIN=15 , 1 520S SAME POS AS 210; MAX DUR CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 300 NGC5139 WFPC2 IMAGE WFALL F467M ATD-GAIN=15 1 160S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 310 NGC5139 WFPC2 IMAGE WFALL F547M ATD-GAIN=15 1 35S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 320 NGC5139 WFPC2 IMAGE WFALL F569W ATD-GAIN=15 1 20S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 330 NGC5139 WFPC2 IMAGE WFALL F606W ATD-GAIN=15 1 10S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 340 NGC5139 WFPC2 IMAGE WFALL F622W ATD-GAIN=15 1 10S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 350 NGC5139 WFPC2 IMAGE WFALL F702W ATD-GAIN=15 1 8S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 360 NGC5139 WFPC2 IMAGE WFALL F785LP ATD-GAIN=15 1 30S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 370 NGC5139 WFPC2 IMAGE WFALL F791W ATD-GAIN=15 1 14S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 380 NGC5139 WFPC2 IMAGE WFALL F850LP ATD-GAIN=15 1 60S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 390 NGC5139 WFPC2 IMAGE WFALL F1042M ATD-GAIN=15 , 1 600S SAME POS AS 210; MAX DUR CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 399 NGC5139 WFPC2 IMAGE WFALL F255W ATD-GAIN=15 , 1 800S SAME POS AS 210; MAX DUR CR-SPLIT=0.5 ------------------------------------------------------------------------------------------------------------------------------------ 6182( 7) - 01/16/96 17:14 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 400 NGC5139 WFPC2 IMAGE WFALL F814W ATD-GAIN=15 1 14S SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 6182( 7) - 01/16/96 17:14 - [ 8] Summary Form for Proposal 6182 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFPC2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=0.5 ATD-GAIN=15 ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category CAL/WFC ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 1-AUG-1995 ORIENT 130.5D TO 140.5D POS TARG -56.5,+20.0; MAX DUR SAME POS AS 210; MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F336W F439W F555W F675W F814W F300W F380W F450W F410M F467M F547M F569W F606W F622W F702W F785LP F791W F850LP F1042M F255W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC5139 ------------------------------------------------------------------------------------------------------------------------------------