Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 20 Report Date: 18-Jul-95:16:09 Version: ********** Check-in Date: ********** 1.Proposal Title: VARIABILITY OF HIGH LUMINOSITY STARS ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID STELLAR ASTROPHYSICS GO Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Dr. Joe Astronomer STSCI USA (301) 338-4700 ------------------------------------------------------------------------------------ 7. Abstract Some of the most luminous and massive stars in our galaxy and in the Large Magellanic Cloud will be monitored for variability in light. Knowledge of the time scales and amplitudes of luminosity fluctuations can perhaps place useful constraints on various stellar models. ------------------------------------------------------------------------------------ 8. Scientific Key Words: SUPERGIANT, VARIABLE ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 20.00 par: 0 10. Num targs pri: 1 par: 0 ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 20 PI: Dr. Joe Astronomer Proposal Title: VARIABILITY OF HIGH LUMINOSITY STARS ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ Joe Astronomer SPACE TELESCOPE SCIENCE USA INSTITUTE ------------------------------------------------------------------------------------ 3. Description of proposed observations. The object will be monitored for 30 minutes on four occasions separated by a few days. ------------------------------------------------------------------------------------ 4. Justification of need for HST observations. ST is required in order to observe in the ultraviolet where the luminsoity variations are expected to be larger. ------------------------------------------------------------------------------------ 5. Description of special scheduling requirements. The observations are to be repeated for a total of 4 series to search for long- term (i.e. days) periodicities. ------------------------------------------------------------------------------------ 6. Description of special calibration exposures. Justification for any special calibrations, use of dark time, or uninterupted exposures goes here. ------------------------------------------------------------------------------------ 7. Data reduction and analysis plans. A description of your data reduction plans go here. ------------------------------------------------------------------------------------ 8. Additional comments or special requests. Any additional comments go here. ------------------------------------------------------------------------------------ 9. Description of previous HST work. A description of any previous HST data goes here. ------------------------------------------------------------------------------------ 10. Resources to be supplied by investigator's institution(s). Resources provided by your home institution goes here. ------------------------------------------------------------------------------------ 11. Address Information Name: JOE ASTRONOMER Category: PI Institution: STSCI Address: 3700 SAN MARTIN DRIVE City: BALTIMORE State: MD Zip Code: 21218 Country: USA Telephone: (301) 338-4700 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 20 [ 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| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 6 HD193237 P- A,117 PLATE-ID=6TK9, 2000 1 V = 4.9+/-0.1 CYG RA = 20H 17M 47.07S +/- 0.5", DEC = +38D 01' 58.9" +/- 0.5" ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 20 [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 12 HD193237 HSP/ ACQ DATA- 1 10S 10 1 1 ONBOARD ACQ FOR UV2 FORMAT=ANALOG 12.2 CYCLE 1 / 12.0- 12.2 REPEAT 12.0-12.2 EVERY 5D +/- 2D FOR 3 MORE TIMES ------------------------------------------------------------------------------------------------------------------------------------ 12.2 HD193237 HSP/ SINGLE 1.0 F152M SAMPLE-TIME=0.1 1 1800S 40 1 1 UV2 DATA- FORMAT=WORD ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 20 [ 5] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations HSP/UV2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACQ SINGLE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters DATA-FORMAT=ANALOG SAMPLE-TIME=0.1 DATA-FORMAT=WORD ------------------------------------------------------------------------------------------------------------------------------------ Proposal for GO ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 20.00 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category STELLAR ASTROPHYSICS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ONBOARD ACQ FOR 12.2; CYCLE 1 / 12.0-12.2; REPEAT 12.0-12.2 EVERY 5D +/- 2D FOR 3 MORE TIMES; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F152M ------------------------------------------------------------------------------------------------------------------------------------ Target Names HD193237 P-CYG ------------------------------------------------------------------------------------------------------------------------------------