Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 5267 Report Date: 18-Jul-95:17:06 Version: ********** Check-in Date: ********** 1.Proposal Title: VELOCITY DISPERSIONS IN THE NUCLEUS OF M87 (FOS ERO): CYCLE 4 FOS ERO ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID GALAXIES & CLUSTERS SMC/ERO Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Dr. Richard J. Harms APPLIED RESEARCH CORPORATION USA (301) 459-8442 ------------------------------------------------------------------------------------ 7. Abstract The FOS will be used with a small aperture to map the stellar velocity dispersion and rotation in the central region of NGC4486 = M87. The velocity dispersions will be used to discriminate between the large M/Ls required by massive black holes, velocity anisotropy, and isothermal velocity distributions. ------------------------------------------------------------------------------------ 8. Scientific Key Words: GALAXIES,VELOCITY DISPERSION,ROTATION,NUCLEUS STELLAR POPULATION ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 5.71 par: 0 10. Num targs pri: 3 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: FOS ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 5267 PI: Dr. Richard J. Harms Proposal Title: VELOCITY DISPERSIONS IN THE NUCLEUS OF M87 (FOS ERO): CYCLE 4 FOS ERO ------------------------------------------------------------------------------------ 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 George F. Hartig SPACE TELESCOPE SCIENCE USA INSTITUTE Ralph Bohlin SPACE TELESCOPE SCIENCE USA INSTITUTE Dr. Holland C. Ford SPACE TELESCOPE SCIENCE USA INSTITUTE ------------------------------------------------------------------------------------ 3. Description of proposed observations. Cycle 4: 404-411 ------------------------------------------------------------------------------------ 5. Description of special scheduling requirements. ------------------------------------------------------------------------------------ 12. This program is a quick look at the nuclear dynamics in the elliptical galaxy M87 for the FOS post-servicing ERO. ------------------------------------------------------------------------------------ 13. Variations in the stellar velocity dispersions which may indicate the presence of a central black hole in NGC4486 will be measured. ------------------------------------------------------------------------------------ 11. Address Information Name: RICHARD J. HARMS Category: PI Institution: APPLIED RESEARCH CORPORATION Address: 8201 CORPORATE DRIVE, SUITE 1120 City: LANDOVER State: MD Zip Code: 20785 Country: USA Telephone: (301) 459-8442 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 5267 [ 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 NGC4486 M87 E,303,910 RA=12H 30M 49.4286S +/- 2000 V=1100 EXT 1 V=16.7, E(B-V)=0.01 0.3", DEC=+12D 23' 27.985" +/- 0.3", PLATE-ID=00IY ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC4486-POS1 E,303,H,517 R=0.25", 2000 1 SURF(V)=16.25 PA=180D, 2 E(B-V)=0.01 FROM 1 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC4486-POS2 E,303,H,517 R=2.00", 2000 1 SURF(V)=17.00 PA=180D, 2 E(B-V)=0.01 FROM 1 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5267 [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 401 DEFINE # FOS/RD ACCUM # G570H STEP- 1 1000S 1 VDSP PATT=SINGLE ------------------------------------------------------------------------------------------------------------------------------------ 402 DEFINE WAVE FOS/RD ACCUM # G570H STEP- 1 DEF 1 CAL-VD PATT=SINGLE ------------------------------------------------------------------------------------------------------------------------------------ 403 NGC4486 FOS/RD ACQ/ 4.3 MIRROR BRIGHT=660000 1 7.0S 1 ONBOARD ACQ FOR BINARY FAINT=1320 404 SEQ 403-411 NO GAP CYCLE 4 / 403-411 Comments: LINES 403-411 DEFINE A GRID ON THE SKY. THERE MUST BE ONLY ONE GSACQ FOR THIS WHOLE SEQUENCE TO PRESERVE THE REGISTRATION OF THE GRID. ------------------------------------------------------------------------------------------------------------------------------------ 404 NGC4486 FOS/RD ACQ/ 0.3 MIRROR SEARCH-SIZE-X=5 1 1.2S 1 ONBOARD ACQ FOR PEAK SEARCH-SIZE-Y=5 405-411 SCAN-STEP-X=0.1 SCAN-STEP-Y=0.1 ------------------------------------------------------------------------------------------------------------------------------------ 405 NGC4486 FOS/RD ACQ 4.3 MIRROR 1 63S 1 ------------------------------------------------------------------------------------------------------------------------------------ 406 USE NGC4486 0.3 X1.000 VDSP ------------------------------------------------------------------------------------------------------------------------------------ 407 USE CAL 0.3 CALIB FOR 406 -VD ------------------------------------------------------------------------------------------------------------------------------------ 408 USE NGC4486- 0.3 X4.000 VDSP POS1 ------------------------------------------------------------------------------------------------------------------------------------ 409 USE CAL 0.3 CALIB FOR 408 -VD ------------------------------------------------------------------------------------------------------------------------------------ 410 USE NGC4486- 0.3 X6.000 VDSP POS2 ------------------------------------------------------------------------------------------------------------------------------------ 411 USE CAL 0.3 CALIB FOR 410 -VD ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 5267 [ 5] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FOS/RD ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ACQ/BINARY ACQ/PEAK ACQ ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters STEP-PATT=SINGLE BRIGHT=660000 FAINT=1320 SEARCH-SIZE-X=5 SEARCH-SIZE-Y=5 SCAN-STEP-X=0.1 SCAN-STEP-Y=0.1 ------------------------------------------------------------------------------------------------------------------------------------ Proposal for SMC/ERO ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 5.71 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category GALAXIES & CLUSTERS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ONBOARD ACQ FOR 404; SEQ 403-411 NO GAP; CYCLE 4 / 403-411 ONBOARD ACQ FOR 405-411 CALIB FOR 406 CALIB FOR 408 CALIB FOR 410 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements G570H MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC4486 M87 NGC4486-POS1 NGC4486-POS2 ------------------------------------------------------------------------------------------------------------------------------------