Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 3192c Report Date: 09-May-96:18:09 Version: ********** Check-in Date: ********** 1.Proposal Title: VELOCITY DISPERSIONS IN THE NUCLEI OF GIANT ELLIPTICALS (FOS 17): FUTURE-CYCLE CONTINUATION ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID GALAXIES & CLUSTERS GTO/FOS 1040 Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Dr. Holland C. Ford SPACE TELESCOPE SCIENCE INST USA (301) 338-4803 ------------------------------------------------------------------------------------ 7. Abstract The FOS will be used with small apertures to map the stellar velocity dispersion and rotation in the central 1" of NGC4486, NGC4472 and NGC6251. The velocity dispersion maps will be used to discriminate between the large M/Ls required by massive black holes, velocity anisotropy, and isothermal velocity distributions. Line strengths will be used to measure changes in the stellar population in the central 1". ------------------------------------------------------------------------------------ 8. Scientific Key Words: GALAXIES, VELOCITY DISPERSION,ROTATION,NUCLEUS STELLAR POPULATION ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 16.33 par: 0 10. Num targs pri: 12 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: FOS WF/PC ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 3192c PI: Dr. Holland C. Ford Proposal Title: VELOCITY DISPERSIONS IN THE NUCLEI OF GIANT ELLIPTICALS (FOS 17): FUTURE-CYCLE CONTINUATION ------------------------------------------------------------------------------------ 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 Dr. Holland C. Ford SPACE TELESCOPE SCIENCE USA INSTITUTE ------------------------------------------------------------------------------------ 3. Description of proposed observations. Cycle 9: 901, 907-929 ------------------------------------------------------------------------------------ 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 is an integrated investigation of nuclear dynamics in elliptical galaxies and will not be complete until all observations of NGC 4486 and NGC 4472 have been obtained. Data release should not begin until 1 year after that date. ------------------------------------------------------------------------------------ 13. Variations in the stellar velocity dispersions, stellar rotation, and stellar line strengths will be mapped in the central 1" of NGC4486, NGC4472 and NGC6251. ------------------------------------------------------------------------------------ 11. Address Information Name: HOLLAND C. FORD Category: PI Institution: SPACE TELESCOPE SCIENCE INSTITUTE Address: City: State: Zip Code: Country: Telephone: Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 3192c [ 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 M87 NUCLEUS TBD-EARLY, 1950 V=1100 EXT 1 SURF(V)=16.12, RA=12H 28M 17.549S+/-0.5", DEC=+12D 40' 01.46"+/-0.5" ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC4486-POS1 POSITION NEAR NUCLEUS TBD-EARLY, V=1100 EXT 1 SURF(V)=16.25, R=0.25"+/-0.02", PA=0D+/-180D, FROM1 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC4486-POS2 POSITION NEAR NUCLEUS TBD-EARLY, V=1100 EXT 1 SURF(V)=16.47 R=0.5"+/-0.02", PA=0D+/-180D, FROM1 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC4486-POS3 POSITION NEAR NUCLEUS TBD-EARLY, V=1100 EXT 1 SURF(V)=16.75 R=0.75"+/-0.05", PA=0D+/-180D, FROM1 ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC4486-POS4 POSITION NEAR NUCLEUS TBD-EARLY, V=1100 EXT 1 SURF(V)=17.10 R=1.25"+/-0.05", PA=0D+/-180D, FROM1 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC4472 NGC4472 NUCLEUS TBD-EARLY, 2000 EXT 1 SURF(V)=16.36, RA=12H 29M 46.78S +/-2", DEC=+08D 0' 1.7" +/-2" ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC4472-POS1 POSITION NEAR NUCLEUS TBD-EARLY, EXT 1 SURF(V)=16.43, R=0.5"+/-0.02", PA=0D+/-180D, FROM 6 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC4472-POS2 POSITION NEAR NUCLEUS TBD-EARLY, EXT 1 SURF(V)=16.43, R=1.0"+/-0.05", PA=0D+/-180D, FROM 6 ------------------------------------------------------------------------------------------------------------------------------------ 9 F193 K STAR RA=08H 51M 35.80S+/-0.1", J2000 1 V=12.28 DEC=+11D 53' 34.7"+/-0.1", PLATE-ID=028I Comments: GSC 814 741 ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC4472- OFFSET STARS FIELD RA-OFF=1.68S+/-0.13S, OFFSET-STARS DEC-OFF=+46"+/-2", -FIELD FROM 6 ------------------------------------------------------------------------------------------------------------------------------------ 11 M87-OFFSET- OFFSET STAR TBD-EARLY, STAR RA-OFF=0S +/-8.20S, DEC-OFF=0' +/-2', FROM 1 ------------------------------------------------------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 3192c [ 4] ------------------------------------------------------------------------------------------------------------------------------------ 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| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC4472- OFFSET STAR TBD-EARLY, OFFSET-STAR RA-OFF=0S +/-8.08S, DEC-OFF=0' +/-2', FROM 6 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 3192c [ 5] ------------------------------------------------------------------------------------------------------------------------------------ 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 ------------------------------------------------------------------------------------------------------------------------------------ 901 NGC4472- WFC IMAGE ALL F606W CR-SPLIT=NO 1 15S 2 EARLY ACQ FOR 923- OFFSET- PRE-FLASH=YES 929 STARS-FIELD CYCLE 9 ------------------------------------------------------------------------------------------------------------------------------------ 902 DEFINE # FOS/RD ACQ/ 4.3 MIRROR BRIGHT=660000 1 5S # OFFSTAR BINARY Comments: POSITIONS OF OFFSET STARS TBD FROM WFC IMAGES (AND EXP. TIMES REVISED). ------------------------------------------------------------------------------------------------------------------------------------ 903 DEFINE # FOS/RD ACQ/ 4.3 MIRROR BRIGHT=330000 1 0.72S 1 # ONBOARD ACQ FOR STAR BINARY 904 SEQ 903-904 NO GAP ------------------------------------------------------------------------------------------------------------------------------------ 904 DEFINE # FOS/RD ACCUM # G570H STEP- 1 100S 1 # STAR PATT=SINGLE ------------------------------------------------------------------------------------------------------------------------------------ 905 DEFINE # FOS/RD ACCUM # G570H STEP- 1 1000S 1 # VDSP PATT=SINGLE ------------------------------------------------------------------------------------------------------------------------------------ 906 DEFINE WAVE FOS/RD ACCUM # G570H STEP- 1 DEF # VD-CAL PATT=SINGLE ------------------------------------------------------------------------------------------------------------------------------------ 907 USE M87-OFFSET- 1 ONBOARD ACQ FOR OFFSTAR STAR 908-914 REQ UPDATE GROUP 907-916 WITHIN 60D GROUP 907-914 NO Comments: EXPOSURE TIME NEEDS REVISION. GAP REQ DATA FROM 6 CYCLE 9 / 907-929 ------------------------------------------------------------------------------------------------------------------------------------ 908 NGC4486 FOS/RD ACQ 4.3 MIRROR 1 64S 1 REQ UPDATE Comments: REQ DATA FROM 6 ------------------------------------------------------------------------------------------------------------------------------------ 909 USE NGC4486 0.3 X7.26 1 SEQ 909-910 NO GAP VDSP ------------------------------------------------------------------------------------------------------------------------------------ 910 USE VD- 0.3 1 CALIB FOR 909 CAL ------------------------------------------------------------------------------------------------------------------------------------ 911 USE NGC4486- 0.3 X9.97 2 SEQ 911-912 NO GAP VDSP POS2 ------------------------------------------------------------------------------------------------------------------------------------ 912 USE VD- 0.3 2 CALIB FOR 911 CAL ------------------------------------------------------------------------------------------------------------------------------------ 913 USE NGC4486- 0.5 X3.645 2 SEQ 913-914 NO GAP VDSP POS4 ------------------------------------------------------------------------------------------------------------------------------------ 914 USE VD- 0.5 2 CALIB FOR 913 CAL ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 3192c [ 6] ------------------------------------------------------------------------------------------------------------------------------------ 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 ------------------------------------------------------------------------------------------------------------------------------------ 915 USE F193 0.3 1 GROUP 915-916 NO STAR GAP ------------------------------------------------------------------------------------------------------------------------------------ 916 USE F193 0.5 2 STAR ------------------------------------------------------------------------------------------------------------------------------------ 917 USE M87-OFFSET- 2 ONBOARD ACQ FOR OFFSTAR STAR 918-922 REQ UPDATE GROUP 917-922 NO GAP COND ON 907-914 IF Comments: REQ DATA FROM 6 VEL DISP CHANGES THROUGH NUCLEUS ------------------------------------------------------------------------------------------------------------------------------------ 918 NGC4486- FOS/RD ACQ 4.3 MIRROR 1 64S 2 COND ON 907-914 IF POS1 VEL DISP CHANGES THROUGH NUCLEUS REQ UPDATE Comments: REQ DATA FROM 6 ------------------------------------------------------------------------------------------------------------------------------------ 919 USE NGC4486- 0.3 X8.34 2 COND ON 907-914 IF VDSP POS1 VEL DISP CHANGES THROUGH NUCLEUS SEQ 919-920 NO GAP ------------------------------------------------------------------------------------------------------------------------------------ 920 USE VD- 0.3 2 COND ON 907-914 IF CAL VEL DISP CHANGES THROUGH NUCLEUS CALIB FOR 919 ------------------------------------------------------------------------------------------------------------------------------------ 921 USE NGC4486- 0.5 X2.65 2 COND ON 907-914 IF VDSP POS3 VEL DISP CHANGES THROUGH NUCLEUS SEQ 921-922 NO GAP ------------------------------------------------------------------------------------------------------------------------------------ 922 USE VD- 0.5 2 COND ON 907-914 IF CAL VEL DISP CHANGES THROUGH NUCLEUS CALIB FOR 921 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 3192c [ 7] ------------------------------------------------------------------------------------------------------------------------------------ 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 ------------------------------------------------------------------------------------------------------------------------------------ 923 USE NGC4472- 1 ONBOARD ACQ FOR OFFSTAR OFFSET-STAR 924-929 REQ DATA FROM 901 GROUP 923-929 NO GAP Comments: EXPOSURE TIME NEEDS REVISION. ------------------------------------------------------------------------------------------------------------------------------------ 924 USE NGC4472 0.3 X7.30 1 SEQ 924-925 NO GAP VDSP ------------------------------------------------------------------------------------------------------------------------------------ 925 USE VD- 0.3 1 CALIB FOR 924 CAL ------------------------------------------------------------------------------------------------------------------------------------ 926 USE NGC4472- 0.5 X1.9 2 SEQ 926-927 NO GAP VDSP POS2 ------------------------------------------------------------------------------------------------------------------------------------ 927 USE VD- 0.5 2 CALIB FOR 926 CAL ------------------------------------------------------------------------------------------------------------------------------------ 928 USE NGC4472- 0.3 X7.3 2 SEQ 928-929 NO GAP VDSP POS1 ------------------------------------------------------------------------------------------------------------------------------------ 929 USE VD- 0.3 2 CALIB FOR 928 CAL ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 3192c [ 8] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC FOS/RD ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ACQ/BINARY ACCUM ACQ ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO PRE-FLASH=YES BRIGHT=660000 BRIGHT=330000 STEP-PATT=SINGLE ------------------------------------------------------------------------------------------------------------------------------------ Proposal for GTO/FOS ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 16.33 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category GALAXIES & CLUSTERS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements EARLY ACQ FOR 923-929; CYCLE 9 ONBOARD ACQ FOR 904; SEQ 903-904 NO GAP ONBOARD ACQ FOR 908-914; REQ UPDATE; GROUP 907-916 WITHIN 60D; GROUP 907-914 NO GAP; CYCLE 9 / 907-929 REQ UPDATE SEQ 909-910 NO GAP CALIB FOR 909 SEQ 911-912 NO GAP CALIB FOR 911 SEQ 913-914 NO GAP CALIB FOR 913 GROUP 915-916 NO GAP ONBOARD ACQ FOR 918-922; GROUP 917-922 NO GAP; COND ON 907-914 IF VEL DISP CHANGES THROUGH NUCLEUS CHANGES THROUGH NUCLEUS; SEQ 919-920 NO GAP CALIB FOR 919 SEQ 921-922 NO GAP CALIB FOR 921 ONBOARD ACQ FOR 924-929; REQ DATA FROM 901; GROUP 923-929 NO GAP SEQ 924-925 NO GAP CALIB FOR 924 SEQ 926-927 NO GAP CALIB FOR 926 SEQ 928-929 NO GAP CALIB FOR 928 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F606W MIRROR G570H ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC4486 M87 NGC4486-POS1 NGC4486-POS2 NGC4486-POS3 NGC4486-POS4 NGC4472 NGC4472-POS1 NGC4472-POS2 F193 NGC4472-OFFSET-STARS-FIELD M87-OFFSET-STAR NGC4472-OFFSET-STAR ------------------------------------------------------------------------------------------------------------------------------------