Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 5718 Report Date: 18-Jul-95:17:53 Version: ********** Check-in Date: ********** 1.Proposal Title: THE NUCLEUS OF M83: FOS/GHRS SPECTROSCOPY OF NUCLEUS (GTO AUG) ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID GALAXIES & CLUSTERS AUG/HRS 5718 Sub Category NUCLEI ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Sara R. Heap NASA, GODDARD SPACE FLIGHT C USA 301-286-9545 ------------------------------------------------------------------------------------ 7. Abstract We will use the FOS and GHRS to survey 3 young clusters in the nuclear region of M83, a nearby barred spiral galaxy with a star-burst nucleus. ------------------------------------------------------------------------------------ 8. Scientific Key Words: BARRED SPIRAL, GALACTIC NUCLEI ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 4.80 par: 0 10. Num targs pri: 1 par: 0 ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 5718 PI: Sara R. Heap Proposal Title: THE NUCLEUS OF M83: FOS/GHRS SPECTROSCOPY OF NUCLEUS (GTO AUG) ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ Sara R. Heap NASA, GODDARD SPACE FLIGHT USA CENTER Vera C. Rubin CARNEGIE INSTITUTE OF WASHINGTON USA Eliot Malumuth COMPUTER SCIENCES CORP USA ------------------------------------------------------------------------------------ 3. Description of proposed observations. During CYCLE 2 '1213' AUGMENTATION time, we will use the FOS/GHRS to explore the nuclear starburst regions of M83. ------------------------------------------------------------------------------------ 4. Justification of need for HST observations. The HST is necessary for access to the ultraviolet stellar wind features and for high angular resolution. ------------------------------------------------------------------------------------ 7. Data reduction and analysis plans. FOS/GHRS spectra of selected nuclear starburst regions will be analyzed in order to deduce the stellar content. We will use methods of spectral synthesis to match the observed wind features in the UV spectrum. ------------------------------------------------------------------------------------ 11. Address Information Name: SARA R. HEAP Category: PI Institution: GODDARD SPACE FLIGHT CENTER Address: CODE 681 City: GREENBELT State: MD Zip Code: 20771 Country: USA Telephone: Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 5718 [ 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-NUC E, 301, 910 RA=13H37M00.97S+/-3", 2000 V=+506 EXT 1 F(2600)=1.77E-13 M83 DEC=-29D51'57.6"+/-3" 2 F(1300)=2.4E-13 3 V=16.56 Comments: ** COORDINATES FROM EM ** IUE (LG APT) UV FLUXES ** conventional nucleus ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC5236-3B E, 301, 910 RA=13H37M00.60S+/-3", 2000 V=+506 1 V=16.97 M83-KNOT3B DEC=-29D52'03.2"+/-3" Comments: ** COORDINATES FROM EM ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC5236-3A E, 301, 910 RA-OFF= +0.46S +/- 0.01S, 2000 V=+506 1 V=16.93 M83-KNOT3A DEC-OFF=-10.1" +/- 0.2", FROM 6 Comments: ** COORDINATES FROM EM RA=13H37M00.63S+/ -3", DEC=-29D52'03.0"+/-3" ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC5236-4A E,301,910,928 RA=13H37M00.48S+/-3", 2000 1 V=16.76 M83-KNOT4A DEC=-29D52'01.4"+/-3" Comments: ** COORDINATES FROM EM ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC5236-5 E,301,910,928 RA-OFF= +0.23S +/- 0.01S, 2000 1 V=15.95 M83-KNOT5 DEC-OFF=-7.00" +/- 0.2", FROM 6 Comments: ** COORDINATES FROM EM RA=13H37M00.40S+/ -3", DEC=-29D51'59.9"+/-3" ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC5236-6 E, 301, 910, 928 RA=13H37M00.17S+/-3", 2000 1 V=15.99 M83-KNOT6 DEC=-29D51'52.9"+/-3", PLATE-ID=02EF Comments: ** COORDINATES FROM EM ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5718 [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 100 NGC5236-6 FOS/RD ACQ/ 4.3 MIRROR SEARCH-SIZE-X=1 1 11S 1 CYCLE 4 / 100-150 PEAK SEARCH-SIZE-Y=3 ONBOARD ACQ FOR SCAN-STEP- 101 Y=1.204 SEQ 100-150 NO GAP AFTER 1-JUL-95 Comments: ASSUMES V=17.2 ------------------------------------------------------------------------------------------------------------------------------------ 101 NGC5236-6 FOS/RD ACQ/ 1.0 MIRROR SEARCH-SIZE-X=6 1 11S 1 CYCLE 4 / 100-150 PEAK SEARCH-SIZE-Y=2 ONBOARD ACQ FOR SCAN-STEP- 110-150 X=.602 SEQ 110-150 NO GAP SCAN-STEP- Y=.602 ------------------------------------------------------------------------------------------------------------------------------------ 102 NGC5236-6 FOS/RD ACQ/ 0.5 MIRROR SEARCH-SIZE-X=3 1 11S 1 CYCLE 4 / 100-150 PEAK SEARCH-SIZE-Y=3 ONBOARD ACQ FOR SCAN-STEP-X=.30 110-150 SCAN-STEP-Y=.30 SEQ 110-150 NO GAP ------------------------------------------------------------------------------------------------------------------------------------ 110 NGC5236-6 FOS/RD ACCUM 1.0 G400H 1 12M 1 CYCLE 4 ------------------------------------------------------------------------------------------------------------------------------------ 115 NGC5236-3A FOS/RD ACCUM 1.0 G400H 1 15M 1 CYCLE 4 ------------------------------------------------------------------------------------------------------------------------------------ 120 NGC5236-5 FOS/RD ACCUM 1.0 G400H 1 15M 1 CYCLE 4 ------------------------------------------------------------------------------------------------------------------------------------ 132 NGC5236-6 HRS ACQ/ 2.0 MIRROR-N1 1 102S 1 ONBOARD ACQ for PEAKUP 140 ------------------------------------------------------------------------------------------------------------------------------------ 140 NGC5236-6 hrs ACCUM 2.0 G140L 1450 1 30M 1 CYCLE 4 ------------------------------------------------------------------------------------------------------------------------------------ 142 NGC5236-5 hrs ACCUM 2.0 G140L 1450 2 20M 1 CYCLE 4 Comments: FIRST hrs EXPOSURE ------------------------------------------------------------------------------------------------------------------------------------ 149 NGC5236-3A hrs ACCUM 2.0 G140L 1300 1 20M 1 CYCLE 4 Comments: CYCLE-2 HAD NUM_EXP=3 ------------------------------------------------------------------------------------------------------------------------------------ 150 ngc5236-3a hrs accum 2.0 g140L 1610 1 30M 1 cycle 4 ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 5718 [ 5] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FOS/RD HRS hrs ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACQ/PEAK ACCUM ACQ/PEAKUP accum ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters SEARCH-SIZE-X=1 SEARCH-SIZE-Y=3 SCAN-STEP-Y=1.204 SEARCH-SIZE-X=6 SEARCH-SIZE-Y=2 SCAN-STEP-X=.602 SCAN-STEP-Y=.602 SEARCH-SIZE-X=3 SCAN-STEP-X=.30 SCAN-STEP-Y=.30 ------------------------------------------------------------------------------------------------------------------------------------ Proposal for AUG/HRS ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 4.80 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category GALAXIES & CLUSTERS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category NUCLEI ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements CYCLE 4 / 100-150 ; ONBOARD ACQ FOR 101; SEQ 100-150 NO GAP; AFTER 1-JUL-95 ONBOARD ACQ FOR 110-150; SEQ 110-150 NO GAP; CYCLE 4 ONBOARD ACQ for 140 cycle 4 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements MIRROR G400H MIRROR-N1 G140L g140L ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC5236-NUC M83 NGC5236-3B M83-KNOT3B NGC5236-3A M83-KNOT3A NGC5236-4A M83-KNOT4A NGC5236-5 M83-KNOT5 NGC5236-6 M83-KNOT6 ------------------------------------------------------------------------------------------------------------------------------------