8456( 14) - 01/06/00 17:43 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 8456 Version: 14 Check-in Date: 06-Jan-2000 17:42:46 1.Proposal Title: WFPC2 Cycle 8: CTE for Extended Sources ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle CAL/WF2 8 ------------------------------------------------------------------------------------ 4. Investigators Contact? PI: Sylvia Baggett Space Telescope Science Institute ------------------------------------------------------------------------------------ 5. Abstract Determine the effect of Charge Transfer Efficiency (CTE) on small extended sources. ------------------------------------------------------------------------------------ Observations Description ------------------------ Previous CTE proposals have all focused on stellar targets. This proposal is aimed at observing small (2-3") extended sources in a suitable galaxy cluster. The target, A1689-10 will be observed in WF2 and WF4, in F606W and F814W. The filter F606W is chosen instead of the F555W used for stellar CTE measurements, to allow a comparison to archival images for estimating possible time dependence. One orbit is needed for each pointing and for each filter, for a total of four orbits. Note- for 7/07/97 observation with rootname U2W91001M with PA_V3 270D, these guidestars were used: 0495800683F1 and 0495800384F3. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- Fraction of GO/GTO programs supported is 30%, accuracy goals 10%. ------------------------------------------------------------------------------------ Data Distribution Paper Products: NO Media: ELECTRONIC Blocking Factor: 10 Ship To: PI_Address Ship Via: Email: ------------------------------------------------------------------------------------ 8456( 14) - 01/06/00 17:43 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 A1689-10 CALIBRATION, INSTRUMENT RA=13H 11M 31.76S +/- 0.1S, DEC= J2000 V = 19 SENSITIVITY TEST -01D 21' 15.12" +/- 0.1" Comments: rich galaxy cluster 8456( 14) - 01/06/00 17:43 - [ 3] Visit: 01 Visit Priority: Visit Requirements: ORIENT 269D TO 271D BETWEEN 01-JAN-2000 AND 01-MAR-2000 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 ------------------------------------------------------------------------------------------------------------------------------------ 1 A1689-10 WFPC2 IMAGE WF4-FIX F606W CR-SPLIT=NO 2 1000 S MIN DUR ------------------------------------------------------------------------------------------------------------------------------------ 3 A1689-10 WFPC2 IMAGE WF4-FIX F814W CR-SPLIT=NO 2 1000 S MIN DUR ------------------------------------------------------------------------------------------------------------------------------------ 11 A1689-10 WFPC2 IMAGE WF2-FIX F606W CR-SPLIT=NO 2 1000 S MIN DUR ------------------------------------------------------------------------------------------------------------------------------------ 13 A1689-10 WFPC2 IMAGE WF2-FIX F814W CR-SPLIT=NO 2 1000 S MIN DUR ------------------------------------------------------------------------------------------------------------------------------------ 8456( 14) - 01/06/00 17:43 - [ 4] Summary Form for Proposal 8456 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WF4-FIX WF2-FIX ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFPC2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category CAL/WF2 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 269D TO 271D BETWEEN 01-JAN-2000 AND 01-MAR-2000 MIN DUR ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F606W F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names A1689-10 ------------------------------------------------------------------------------------------------------------------------------------