Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 5774 Report Date: 18-Jul-95:17:58 Version: ********** Check-in Date: ********** 1.Proposal Title: WFPC AUGMENTATION - CYGNUS LOOP CYCLE 4 AND FUTURE-CYCLE CONTINATION ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID STELLAR ASTROPHYSICS AUG/WF2 4850 Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Prof. James A. Westphal CALTECH USA (818) 395-4900 PROFESSOR ------------------------------------------------------------------------------------ 7. Abstract This WF/PC augmentation program images a field in the Cygnus Loop supernova remnant in the light from three emission lines which cover a range of postshock temperature and ionization states. ------------------------------------------------------------------------------------ 8. Scientific Key Words: SUPERNOVA REMNANT ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 5.18 par: 0 10. Num targs pri: 1 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: WF/PC ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 5774 PI: Prof. James A. Westphal Proposal Title: WFPC AUGMENTATION - CYGNUS LOOP CYCLE 4 AND FUTURE-CYCLE CONTINATION ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ James A. Westphal CALTECH USA ------------------------------------------------------------------------------------ 3. Description of proposed observations. All exposures should be in Cycle 4 or 5. ------------------------------------------------------------------------------------ 13. Images will be taken of an isolated cloud in the Cygnus Loop which has recently been hit by the blast wave from the supernova explosion. Images will be taken in the light of H alpha (F656N), [S II] (F673N), and [O III] (F502N). ------------------------------------------------------------------------------------ 11. Address Information Name: JAMES A. WESTPHAL Category: PI Institution: CALTECH Address: M/S 170-25 DIVISION OF GEOLOGICAL & PLANETARY SCIENCES City: PASADENA State: CA Zip Code: 91125 Country: USA Telephone: (818) 395-4900 Telex (or e-mail): ------------------------------------------------------------------------------------ Name: JOHN J. HESTER Category: PI Institution: ARIZONA STATE UNIV. Address: DEPT. OF PHYSICS AND ASTRONOMY ASU City: TEMPE State: AZ Zip Code: 85287 Country: USA Telephone: 602-965-0741 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 5774 [ 3] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial |Acqui|FLX| Flux data No | Name | Description | Position |Eqnx | Vel. |Prblm|REF| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC6995-A G, 506, 929 RA= 20H 56M 18.21S +/- .2", 2000 CYGNUS LOOP DEC= +30D 22' 25.2" +/- .2" Comments: POINTING A ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC6995-B G, 506, 929 RA= 20H 56M 17.25S +/- .2", 2000 CYGNUS LOOP DEC= +30D 22' 35.2" +/- .2" Comments: POINTING B ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5774 [ 4] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1.01 DEFINE # WFPC2 IMAGE # F656N CR-SPLIT=NO 2 1100S 1 GROUP 1.01-1.03 CYGSEQ ATD-GAIN=7 WITHIN 1D CLOCKS=YES SAME POS FOR 1.02- 1.03 AS 1.01 SAME ORIENT FOR 1.02-1.03 AS 1.01 ------------------------------------------------------------------------------------------------------------------------------------ 1.02 DEFINE # WFPC2 IMAGE # F673N CR-SPLIT=NO 2 1100S 1 CYGSEQ ATD-GAIN=7 CLOCKS=YES ------------------------------------------------------------------------------------------------------------------------------------ 1.03 DEFINE # WFPC2 IMAGE # F502N CR-SPLIT=NO 2 1100S 1 CYGSEQ ATD-GAIN=7 CLOCKS=YES ------------------------------------------------------------------------------------------------------------------------------------ 1.1 USE NGC6995-A WFALL- SELECT 1 OF 1.1 OR CYGSEQ FIX 1.2 ORIENT 75D +/- 7D COND IF ORIENTATION CAN BE SCHEDULED Comments: TWO COMBINATIONS OF POSITION CYCLE 4 AND ORIENTATION ARE SPECIFIED, ONLY ONE OF WHICH IS TO BE RUN. POSITION A IS SLIGHTLY PREFERABLE TO B, BUT SCHEDULE WHICHEVER BEST FITS THE SCHEDULE. ------------------------------------------------------------------------------------------------------------------------------------ 1.2 USE NGC6995-B WFALL- ORIENT 89D +/- 7D CYGSEQ FIX COND IF ORIENTATION CAN BE SCHEDULED CYCLE 4 Comments: WFALL-FIX APERTURE IS MEANT TO BE AT THE LOCATION IN WF3 10", 10" FROM THE PYRAMID APEX. ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 5774 [ 5] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFPC2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ATD-GAIN=7 CLOCKS=YES ------------------------------------------------------------------------------------------------------------------------------------ Proposal for AUG/WF2 ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 5.18 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category STELLAR ASTROPHYSICS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements GROUP 1.01-1.03 WITHIN 1D; SAME POS FOR 1.02-1.03 AS 1.01; SAME ORIENT FOR 1.02-1.03 AS 1.01; SELECT 1 OF 1.1 OR 1.2 ; ORIENT 75D +/- 7D ; COND IF ORIENTATION CAN BE SCHEDULED ; CYCLE 4; ORIENT 89D +/- 7D ; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F656N F673N F502N ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC6995-A CYGNUS LOOP NGC6995-B ------------------------------------------------------------------------------------------------------------------------------------