Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 2583c Report Date: 09-May-96:17:13 Version: ********** Check-in Date: ********** 1.Proposal Title: SURFACE PHOTOMETRY OF A SAMPLE OF GLOBULAR CLUSTERS IN M31 ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID STELLAR POPULATIONS GO Sub Category GLOBULAR CLUSTERS ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Flavio Fusi pecci BOLOGNA OBSERVATORY ------------------------------------------------------------------------------------ 7. Abstract The purpose of the present program is to derive the surface brightness profiles of a number of globular clusters in M31, in order to study their morphology (e.g. King model vs. post- core-collapse) and their occurrence and frequency as a function of a number of physical and dynamical parameters of the clusters. The FOC/96 has been chosen for giving the best combination of space resolution and field of view, since most of the cluster light falls within the central region 3-4 arcsec radius wide. The space resolution of 0.022 arcsec offered by the FOC/96 is necessary in order to reveal the central cusps of post-core- collapse morphologies which may occur within a radial distance of 0.1 arcsec. For this reason, the deconvolution with an accurate PSF is very important for a correct interpretation of the data, and we plan to take also a few observations of stars and use the PSF thus determined, along with the jitter information for each cluster image and whatever information on the PSF the STScI will provide us, for the reduction of the cluster data. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 8.49 par: 0 10. Num targs pri: 15 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: FOC ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 2583c PI: Flavio Fusi pecci Proposal Title: SURFACE PHOTOMETRY OF A SAMPLE OF GLOBULAR CLUSTERS IN M31 ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ Pi Flavio Fusi Pecci BOLOGNA OBSERVATORY ITALY X Pierluigi Battistini BOLOGNA, UNIVERSITY OF ITALY X Fabrizio Bonoli BOLOGNA, UNIVERSITY OF ITALY X Carla Cacciari BOLOGNA OBSERVATORY ITALY X Luciana Federici BOLOGNA OBSERVATORY ITALY X Roberto Buonanno ROMA OBSERVATORY ITALY X Ivan R. King CALIFORNIA, UNIVERSITY OF, USA BERKELEY Rene' Walterbos CALIFORNIA, UNIVERSITY OF, USA BERKELEY George S. Djorgovski CALTECH USA ------------------------------------------------------------------------------------ 11. Address Information Name: FLAVIO FUSI PECCI Category: PI Institution: BOLOGNA OBSERVATORY Address: VIA ZAMBONI 33 City: BOLOGNA State: Zip Code: 40126 Country: ITALY Telephone: +39-51-259321 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 2583c [ 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 G2 EXT-CLUSTER; GLOBULAR PLATE-ID=02S3, 2000 1 SURF(B)=17.54 +/- 0.1, B-V=0.74 CLUSTER RA = 00H 33M 33.81S +/- 2 SURF(B)=23.58 +/- 0.1 0.3", DEC = +39D 31' 19.0" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 2 G64 BO12 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=16.92 +/- 0.1, B-V=0.78 CLUSTER RA = 00H 40M 32.43S +/- 2 SURF(B)=22.96 +/- 0.1 0.3", DEC = +41D 21' 43.8" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 3 G305 BO373 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=17.64 +/- 0.1, B-V=0.98 CLUSTER RA = 00H 45M 41.81S +/- 2 SURF(B)=23.68 +/- 0.1 0.3", DEC = +41D 45' 33.3" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 4 G319 BO384 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=17.72 +/- 0.1, B-V=0.86 CLUSTER RA = 00H 46M 21.91S +/- 2 SURF(B)=23.76 +/- 0.1 0.3", DEC = +40D 16' 59.4" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 5 G322 BO386 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=17.41 +/- 0.1, B-V=0.75 CLUSTER RA = 00H 46M 26.98S +/- 2 SURF(B)=23.45 +/- 0.1 0.3", DEC = +42D 01' 52.5" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 2583c [ 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| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 6 G58 BO6 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=17.52 +/- 0.1, B-V=0.93 CLUSTER RA = 00H 40M 26.44S +/- 2 SURF(B)=23.56 +/- 0.1 0.3", DEC = +41D 27' 26.2" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 7 BO289 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=17.71 +/- 0.1, B-V=0.54 CLUSTER RA = 00H 34M 20.88S +/- 2 SURF(B)=23.75 +/- 0.1 0.3", DEC = +41D 47' 50.8" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 8 G11 BO293 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=18.20 +/- 0.1, B-V=0.80 CLUSTER RA = 00H 36M 20.85S +/- 2 SURF(B)=24.35 +/- 0.1 0.3", DEC = +40D 53' 36.3" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=4 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 9 G105 BO343 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=18.09 +/- 0.1, B-V=0.73 CLUSTER RA = 00H 41M 43.07S +/- 2 SURF(B)=24.13 +/- 0.1 0.3", DEC = +40D 12' 21.7" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 10 G352 BO407 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=18.14 +/- 0.1, B-V=1.02 CLUSTER RA = 00H 50M 09.93S +/- 2 SURF(B)=24.18 +/- 0.1 0.3", DEC = +41D 41' 00.9" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 2583c [ 5] ------------------------------------------------------------------------------------------------------------------------------------ 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| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 11 G78 BO23 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=16.52 +/- 0.1, B-V=1.13 CLUSTER RA = 00H 41M 01.15S +/- 2 SURF(B)=22.67 +/- 0.1 0.3", DEC = +41D 13' 45.5" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=4 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 12 G244 BO193 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=17.39 +/- 0.1, B-V=1.0 CLUSTER RA = 00H 43M 45.5S +/- 1", 2 SURF(B)=23.43 +/- 0.1 DEC = +41D 37' 00" +/- 1" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=3 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 13 G272 BO218 EXT-CLUSTER; GLOBULAR PLATE-ID = 01JV, 2000 1 SURF(B)=16.74 +/- 0.1, B-V=0.86 CLUSTER RA = 00H 44M 14.27S +/- 2 SURF(B)=22.89 +/- 0.1 0.3", DEC = +41D 19' 19.1" +/- 0.3" Comments: FLUX1= CENTRAL SURFACE BRIGHTNESS, RAPIDLY DECREASING WITH RADIUS (KING MODEL, APPROX.6 MAG FAINTER AT R=4 ARCSEC, SEE FLUX2) ------------------------------------------------------------------------------------------------------------------------------------ 14 G158-100- STAR RA = 00H 33M 54.32S +/- 2000 1 B=15.58 +/- 0.1, B-V=0.69 CALIB 0.3", DEC = -12D 07' 57.1" +/- 0.3" Comments: STAR FOR PSF CALIBRATION, HST SPECTROPHOTOMETRIC STANDARD ------------------------------------------------------------------------------------------------------------------------------------ 15 GD248-CALIB STAR RA = 23H 26M 06.69S +/- 2000 1 B=15.18 +/- 0.1, B-V=0.09 0.3", DEC = +16D 00' 21.4" +/- 0.3" Comments: STAR FOR PSF CALIBRATION, HST SPECTROPHOTOMETRIC STANDARD ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 2583c [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 1 DEFINE # FOC/96 IMAGE 512X512 F430W 1 1000S # 2 1 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 2 GD248-CALIB FOC/96 IMAGE 512X512 F430W, 1 1200S 188 1 1 CALIB FOR 3-6 F1ND,F2ND GROUP 2-6 NO GAP CYCLE 1 / 2-17 Comments: STAR FOR ACCURATE PSF DETERMINATION ------------------------------------------------------------------------------------------------------------------------------------ 3 USE G2 X1.9 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 4 USE G64 X0.8 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 5 USE G305 X2.2 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 6 USE G319 X2.5 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 7 G158-100- FOC/96 IMAGE 512X512 F430W, 1 900S 85 1 1 CALIB FOR 8-11 CALIB F4ND GROUP 7-11 NO GAP Comments: STAR FOR ACCURATE PSF DETERMINATION ------------------------------------------------------------------------------------------------------------------------------------ 8 USE G322 X1.6 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 9 USE G58 X1.9 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 10 USE BO289 X2.5 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 11 USE G11 X2.3 3 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 12 GD248-CALIB FOC/96 IMAGE 512X512 F430W, 1 600S 84 1 1 CALIB FOR 13-17 F4ND GROUP 12-17 NO GAP Comments: STAR FOR ACCURATE PSF DETERMINATION ------------------------------------------------------------------------------------------------------------------------------------ 13 USE G105 X4.5 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 14 USE G352 X4.9 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 15 USE G78 X0.55 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 2583c [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 16 USE G244 X1.5 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ 17 USE G272 X0.7 5 PRIM ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 2583c [ 8] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FOC/96 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ------------------------------------------------------------------------------------------------------------------------------------ Proposal for GO ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 8.49 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category STELLAR POPULATIONS ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category GLOBULAR CLUSTERS ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements CALIB FOR 3-6; GROUP 2-6 NO GAP; CYCLE 1 / 2-17 CALIB FOR 8-11; GROUP 7-11 NO GAP CALIB FOR 13-17; GROUP 12-17 NO GAP ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F430W F430W,F1ND,F2ND F430W,F4ND ------------------------------------------------------------------------------------------------------------------------------------ Target Names G2 G64 BO12 G305 BO373 G319 BO384 G322 BO386 G58 BO6 BO289 G11 BO293 G105 BO343 G352 BO407 G78 BO23 G244 BO193 G272 BO218 G158-100-CALIB GD248-CALIB ------------------------------------------------------------------------------------------------------------------------------------