Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 1041c Report Date: 09-May-96:16:04 Version: ********** Check-in Date: ********** 1.Proposal Title: THE NUCLEUS OF NORMAL AND STARBURST GALAXIES (FOS 20): CYCLE 0 OBSERVATIONS ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID GALAXIES & CLUSTERS GTO/FOS Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Ralph Bohlin SPACE TELESCOPE SCIENCE INST USA (301) 338-4804 ------------------------------------------------------------------------------------ 7. Abstract Try to understand the energies of normal galactic nuclei. Are the main sources of ionizing radiation nonthermal, or due to a blue stellar population? High spatial resolution of ST is essential to this problem; FOS spectra can distinguish between a population of hot young stars or HB stars. Use the 0.3" aperture at any central point sources and off nucleus at the appropriate spot determined from WFPC data. Choose this spot within 1", along the major axis in accord with the techniques of FOS program 24, "Dynamics near Cores of Normal Galaxies." ------------------------------------------------------------------------------------ 8. Scientific Key Words: GALACTIC NUCLEUS ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 5.89 par: 0 10. Num targs pri: 5 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: WF/PC ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 1041c PI: Ralph Bohlin Proposal Title: THE NUCLEUS OF NORMAL AND STARBURST GALAXIES (FOS 20): CYCLE 0 OBSERVATIONS ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ Edward Beaver UC, SAN DIEGO USA E. Margaret Burbidge UC, SAN DIEGO USA Bruce Margon WASHINGTON, UNIVERSITY OF USA J. Roger P. Angel ARIZONA, UNIVERSITY OF USA Frank Bartko APPLIED RESEARCH CORPORATION USA Arthur F. Davidsen JOHNS HOPKINS UNIVERSITY USA Richard J. Harms APPLIED RESEARCH CORPORATION USA Ralph Bohlin SPACE TELESCOPE SCIENCE USA INSTITUTE Holland C. Ford SPACE TELESCOPE SCIENCE USA INSTITUTE ------------------------------------------------------------------------------------ 3. Description of proposed observations. Cycle 0: 4-8 ------------------------------------------------------------------------------------ 5. Description of special scheduling requirements. The SV prerequisite programs for all FOS observations in this program are: Prop ID 2195 FOS Target Acquisition Tests - All observations Prop ID 1317 Int./Ext. Wavelength Offsets - 1st target Prop ID 1318 Spectral Flat Fields - 1st target Prop ID 1320 Absolute Spectrophotometry - 1st visit of bright targets All WF/PC imaging with a center wavelength blueward of 5000 Angstroms requires UV flood ------------------------------------------------------------------------------------ 12. This program does not become a viable scientific investigation until observations are complete on at least 5 of the 7 targets. No data should be made public until at least 1 year after that time. ------------------------------------------------------------------------------------ 13. The purpose is to use WFPC images and FOS spectra of the central regions of galaxies to study the source of the ionizing radiation and to address the question of the presence of a black hole. ------------------------------------------------------------------------------------ 11. Address Information Name: RALPH BOHLIN Category: PI Institution: SPACE TELESCOPE SCIENCE INSTITUTE Address: HOMEWOOD CAMPUS 3700 SAN MARTIN DRIVE City: BALTIMORE State: MD Zip Code: 21218 Country: USA Telephone: (301) 338-4804 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 1041c [ 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 NGC5236 M83 NEARBY BARRED SPIRAL TBD-EARLY, 1950 WITH STAR-BURST RA=13H 34M 11.55S +/- 1", NUCLEUS-S BC DEC=-29D 36' 42.2" +/- 1" Comments: EXPECT ~7 CT/S NEAR LYMAN ALPHA, IF ALL IUE FLUX IS W/I FOS APER. ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC7714 PROTOTYPE STARBURST TBD-EARLY, 1950 NUCLEUS, IRR RA=23H 33M 40.58S +/- 0.1S, DEC=+1D 52' 42.1" +/- 0.2" Comments: EXPECT ~1CT/S NEAR LYMAN ALPHA, IF ALL THE IUE FLUX IS WITHIN THE FOS APER. ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC224 M31 NEARBY SPIRAL GALAXY TBD-EARLY, 1975 NUCLEUS. SB I-II RA=0H 41M 22.255S +/- 1", DEC=+41D 07' 56.08" +/- 1" ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC205 S0/E5 PEC GALACTIC TBD-EARLY, 2000 NUCLEUS RA=0H 40M 22.02S +/- 0.3", DEC=+41D 41' 7.15" +/- 0.3" ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC224- OFFSET STAR FIELD OFFSET-STARS RA-OFF=0.44S+/-0.18S, -FIELD DEC-OFF=-23" +/- 2", FROM 3 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 1041c [ 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 DEFINE # PC IMAGE ALL F336W CR-SPLIT=NO 1 300S # GROUP 1-3 WITHIN PC PRE-FLASH=YES 15D POS TARG +10.0,- 10.0 / 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 DEFINE # PC IMAGE ALL F547M CR-SPLIT=NO 1 200S # SAME POS FOR 2-3 PC PRE-FLASH=YES AS 1 ------------------------------------------------------------------------------------------------------------------------------------ 3 DEFINE # PC IMAGE ALL F664N CR-SPLIT=NO 1 1000S # PC PRE-FLASH=YES ------------------------------------------------------------------------------------------------------------------------------------ 4 USE PC NGC5236 X2.0 2 GUID TOL 0.020" / 4-7 CYCLE 0 / 4-8 Comments: EARLY ACQ FOR EXPOSURES IN LATER CYCLES ------------------------------------------------------------------------------------------------------------------------------------ 5 USE PC NGC7714 X2.0 3 Comments: EARLY ACQ FOR EXPOSURES IN LATER CYCLES ------------------------------------------------------------------------------------------------------------------------------------ 6 USE PC NGC205 X2.0 2 Comments: EARLY ACQ FOR EXPOSURES IN LATER CYCLES ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC224 PC IMAGE ALL F336W CR-SPLIT=NO 1 900S 1 POS TARG +10.0,- PRE-FLASH=YES 10.0 Comments: H-ALPHA ON AND OFF IN GTO/FOS PROGRAM 1044. EARLY ACQ FOR EXPOSURES IN LATER CYCLES ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC224- WFC IMAGE ALL F606W CR-SPLIT=NO 1 30S 1 EXTERNAL OFFSET- PRE-FLASH=YES STARS-FIELD Comments: EXTERNAL IN FORD'S PROGRAM GTO/ FOS 1044. EARLY ACQ FOR EXPOSURES IN LATER CYCLES ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 1041c [ 5] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations PC WFC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO PRE-FLASH=YES ------------------------------------------------------------------------------------------------------------------------------------ Proposal for GTO/FOS ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 5.89 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category GALAXIES & CLUSTERS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements GROUP 1-3 WITHIN 15D; POS TARG +10.0,-10.0 / 1-3 SAME POS FOR 2-3 AS 1; GUID TOL 0.020" / 4-7; CYCLE 0 / 4-8 POS TARG +10.0,-10.0 EXTERNAL ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F336W F547M F664N F606W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC5236 M83 NGC7714 NGC224 M31 NGC205 NGC224-OFFSET-STARS-FIELD ------------------------------------------------------------------------------------------------------------------------------------