Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 1024c Report Date: 09-May-96:16:02 Version: ********** Check-in Date: ********** 1.Proposal Title: DO RICH CLUSTERS OF GALAXIES PRODUCE QUASAR ABSORPTION LINES? : FUTURE-CYCLE CONTINUATION ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID QUASARS & AGN GTO/OS Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone John N. Bahcall INSTITUTE FOR ADVANCED STUDY USA (609) 734-8054 PROFESSOR ------------------------------------------------------------------------------------ 7. Abstract Five quasars [NAB 0024+22, PKS 0003+15, UM 381, UM 324, and A that lie behind rich clusters of galaxies will be studied spe with the FOS to see if the clusters produce ultraviolet absor of the quasar spectra will be used also to help determine the quasar absorption lines, the main goal of the GTO proposal "E Lyman-alpha and C IV Absorption Systems" (J. Bahcall, PI). ST observations are required in order to observe the ultravio absorption lines that may be produced by the nearby rich clus ------------------------------------------------------------------------------------ 8. Scientific Key Words: QUASARS, SPECTROSCOPY, ABSORPTION LINES, NEARBY GALAXY CLUSTER, INTERGALACTIC ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 2.17 par: 0 10. Num targs pri: 5 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: FOS WF/PC ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 1024c PI: John N. Bahcall Proposal Title: DO RICH CLUSTERS OF GALAXIES PRODUCE QUASAR ABSORPTION LINES? : FUTURE-CYCLE CONTINUATION ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ John N. Bahcall INSTITUTE FOR ADVANCED STUDY USA Kavan Ratnatunga INSTITUTE FOR ADVANCED STUDY USA Neta A. Bahcall SPACE TELESCOPE SCIENCE USA INSTITUTE Richard Green NOAO, KITT PEAK NATIONAL USA OBSERVATORY ------------------------------------------------------------------------------------ 3. Description of proposed observations. Targets 1-4 will be observed spectroscopically with the FOS/R gratings G270H and G190H to see if the intervening rich clust produce resonance absorption lines. All targets will be obser FOS/RD and the low dispersion grating G160L to see if they ha short wavelengths to be used as probes of the line-of-sight m ultraviolet. Cycle 1 (1-6 months, SV)=Exposures 5,6,16,17 Cycle 2 (7-18 months)=Exposures 1,2,3,4,7,8,9,10 Cycle 3+4 (19-30 months)=Exposure 18 Parallel observations should be scheduled only if primary obs taken in dark time. Parallel observations constitute backgrou for the proposal: "Imaging and Spectroscopy of a Complete Sam Nearby Quasars: I. Imaging (P.I. J. Bahcall). ------------------------------------------------------------------------------------ 4. Justification of need for HST observations. ST observations are required in order to observe at the ultra wavelengths at which the resonant atomic absorption lines occ catalogued rich clusters of galaxies. ------------------------------------------------------------------------------------ 6. Description of special calibration exposures. Parallel observations are useful only in dark time. ------------------------------------------------------------------------------------ 7. Data reduction and analysis plans. Data reduction and analysis of absorption lines will be perfo DEC equipment available at the Institute for Advanced Study. continuum and emission line intensities will be determined at conjunction with ground-based observations. ------------------------------------------------------------------------------------ 8. Additional comments or special requests. Need to measure more accurately the positions of quasars usin plates. Also, need to measure the redshift of Abell 280. ------------------------------------------------------------------------------------ 10. Resources to be supplied by investigator's institution(s). Computing and research assistance will be provided as necessa ------------------------------------------------------------------------------------ 13. Five quasars [NAB 0024+22, PKS 0003+15, UM 381, UM 324, and A that lie behind rich clusters of galaxies will be studied spe with the FOS to see if the clusters produce ultraviolet absor of the quasar spectra will be used also to help determine the quasar absorption lines, the main goal of the GTO proposal "E Lyman -alpha and C IV Absorption Systems" (J. Bahcall, PI). ------------------------------------------------------------------------------------ 11. Address Information Page 3 Name: JOHN N. BAHCALL Category: PI Institution: INSTITUTE FOR ADVANCED STUDY Address: OLDEN LANE City: PRINCETON State: NJ Zip Code: 08540 Country: USA Telephone: (609) 734-8054 Telex (or e-mail): 837680 ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 1024c [ 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| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 1 PKS0003+15 QUASAR BEHIND GALAXY RA = 00H 03M 25.1S+/-0.1S, 1950 Z=0.450 1 V = 16.4 +/- 0.2 CLUSTER DEC = +15D 53' 07"+/-1" ------------------------------------------------------------------------------------------------------------------------------------ 2 UM381 ^ RA = 01H 54M 36.9S+/-0.1S, 1950 Z=0.910 1 V = 16.0 +/- 0.2 DEC = -02D 02' 07"+/-1" ------------------------------------------------------------------------------------------------------------------------------------ 3 NAB0024+22 ^ RA = 00H 24M 38.4S+/-0.1S, 1950 Z=1.118 1 V = 16.57 +/- 0.2 DEC = +22D 25' 23"+/-1" ------------------------------------------------------------------------------------------------------------------------------------ 4 UM324 ^ RA = 01H 24M 35.7S+/-0.1S, 1950 Z=0.350 1 V = 17.0 +/- 0.2 DEC = -02D 11' 11"+/-1" ------------------------------------------------------------------------------------------------------------------------------------ 5 AO1058+11 ^ RA = 10H 58M 10.8S+/-0.1S, 1950 Z=0.420 1 V = 17.1 +/- 0.2 DEC = +11D 02' 21"+/-1" ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 1024c [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 1 UM381 FOS/RD RAPID 0.25X2. G270H 2225- READ-TIME=40 1 800S 21 1 2 SEQ 1,9 NO GAP 0 3281 CYCLE 2 / 1-27 COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 2 PKS0003+15 FOS/RD RAPID 0.25X2. G270H 2225- READ-TIME=40 1 1160S 21 1 2 SEQ 2,4 NO GAP 0 3281 COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 3 NAB0024+22 FOS/RD RAPID 0.25X2. G270H 2225- READ-TIME=40 1 1360S 21 1 3 SEQ 3,8 NO GAP 0 3281 COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 4 PKS0003+15 FOS/RD RAPID 0.25X2. G190H 1650- READ-TIME=40 1 2400S 21 1 2 COND IF TAC OK 0 2311 ------------------------------------------------------------------------------------------------------------------------------------ 5 PKS0003+15 FOS/BL ACCUM 1.0 G160L 1150- 1 390S 10 1 2 GROUP 2,4,5 WITHIN 2524 10D COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 7 UM324 FOS/BL ACCUM 1.0 G160L 1150- 1 600S 10 1 3 COND IF TAC OK 2524 Comments: ALL FOS EXPOSURE TIMES CALCULATED USING FOS SIMULATOR. SIGNAL TO NOISE CALCULATED FOR N = 4 SUBSTEPS. ------------------------------------------------------------------------------------------------------------------------------------ 8 NAB0024+22 FOS/RD RAPID 0.25X2. G190H 1650- READ-TIME=40 1 4000S 21 1 2 COND IF TAC OK 0 2311 ------------------------------------------------------------------------------------------------------------------------------------ 9 UM381 FOS/RD RAPID 0.25X2. G190H 1650- READ-TIME=40 1 2000S 21 1 2 COND IF TAC OK 0 2311 ------------------------------------------------------------------------------------------------------------------------------------ 16 UM381 FOS/BL ACCUM 1.0 G160L 1150- 1 470S 10 1 2 GROUP 1,9,16 2524 WITHIN 10D COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 17 NAB0024+22 FOS/BL ACCUM 1.0 G160L 1150- 1 1020S 10 1 3 COND IF TAC OK 2524 ------------------------------------------------------------------------------------------------------------------------------------ 19 UM381 FOS/RD ACQ/ 4.3 MIRROR 1 11S 2 ONBOARD ACQ FOR 1, BINARY 9 COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 20 PKS0003+15 FOS/RD ACQ/ 4.3 MIRROR 1 11S 2 ONBOARD ACQ FOR 2, BINARY 4 COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 21 NAB0024+22 FOS/RD ACQ/ 4.3 MIRROR 1 11S 3 ONBOARD ACQ FOR 3, BINARY 8 COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 22 PKS0003+15 FOS/BL ACQ/ 4.3 MIRROR 1 11S 2 ONBOARD ACQ FOR 5 BINARY COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 1024c [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 24 UM324 FOS/BL ACQ/ 4.3 MIRROR 1 11S 3 ONBOARD ACQ FOR 7 BINARY COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 26 UM381 FOS/BL ACQ/ 4.3 MIRROR 1 11S 2 ONBOARD ACQ FOR 16 BINARY COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ 27 NAB0024+22 FOS/BL ACQ/ 4.3 MIRROR 1 11S 3 ONBOARD ACQ FOR 17 BINARY COND IF TAC OK ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 1024c [ 7] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FOS/RD FOS/BL ------------------------------------------------------------------------------------------------------------------------------------ Opmodes RAPID ACCUM ACQ/BINARY ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters READ-TIME=40 ------------------------------------------------------------------------------------------------------------------------------------ Proposal for GTO/OS ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 2.17 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category QUASARS & AGN ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements SEQ 1,9 NO GAP ; CYCLE 2 / 1-27 ; COND IF TAC OK SEQ 2,4 NO GAP ; SEQ 3,8 NO GAP ; GROUP 2,4,5 WITHIN 10D ; GROUP 1,9,16 WITHIN 10D ; ONBOARD ACQ FOR 1,9 ; ONBOARD ACQ FOR 2,4 ; ONBOARD ACQ FOR 3,8 ; ONBOARD ACQ FOR 5 ; ONBOARD ACQ FOR 7 ; ONBOARD ACQ FOR 16 ; ONBOARD ACQ FOR 17 ; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements G270H G190H G160L MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names PKS0003+15 UM381 NAB0024+22 UM324 AO1058+11 ------------------------------------------------------------------------------------------------------------------------------------