! File: 3648C.PROP ! Database: PEPDB ! Date: 19-FEB-1994:15:01:43 coverpage: title_1: IMAGING OF BL LAC HOST GALAXIES AND ENVIRONMENTS sci_cat: QUASARS & AGN sci_subcat: BL LACS proposal_for: GO pi_fname: CHRIS pi_mi: D. pi_lname: IMPEY pi_inst: UNIVERSITY OF ARIZONA pi_country: USA pi_phone: 602-621-6522 hours_pri: 11.50 num_pri: 4 wf_pc: Y funds_amount: 89650 funds_length: 12 off_fname: MICHAEL off_mi: A. off_lname: CUSANOVICH off_title: V.P. FOR RESEARCH off_inst: UNIVERSITY OF ARIZONA off_addr_1: ADMINISTRATION BLDG 601 off_addr_2: UNIVERSITY OF ARIZONA off_city: TUCSON off_state: AZ off_zip: 85721 off_country: USA off_phone: 602-621-3513 ! end of coverpage abstract: line_1: We propose to take deep Planetary Camera images of 4 BL Lac objects in line_2: the I(795LP) filter. Image deconvolution techniques will be used to line_3: a) measure luminosities and basic morphological information for the line_4: nebulosity, b) determine the degree of centering of the AGN on the line_5: nebulosity, and c) study the cluster environment of the AGN. The BL Lac line_6: objects are selected from complete X-ray and radio-selected samples line_7: and lie in the redshift range 0.34 < z < 0.55. We will derive structural line_8: information unobtainable from the ground, and will be able to measure line_9: evolutionary effects by comparison with ground-based data obtained for line_10: objects at lower redshift. There is good evidence that the continuum line_11: properties of BL Lac objects are affected by two quite distinct physical line_12: mechanisms: relativistic beaming and gravitational lensing. If beaming line_13: models are generally applicable, the data will yield a test of the parent line_14: population of BL Lacs (the misdirected jets) via the distribution of line_15: host galaxy luminosities and morphologies. If (micro)lensing is common, line_16: it will manifest itself as off-centered nebulosity around the AGN, line_17: and an inferred host galaxy that is too luminous to be at the redshift line_18: of the BL Lac object. Either way, we will be able to detect cosmic line_19: evolution in the environment, or differences between X-ray and radio- line_20: selected BL Lacs. ! ! end of abstract general_form_proposers: lname: IMPEY fname: CHRIS title: PI mi: D. inst: UNIVERSITY OF ARIZONA country: USA ! lname: JANNUZI fname: BUELL mi: T. inst: INSTITUTE FOR ADVANCED STUDY country: USA ! lname: GREEN fname: RICHARD mi: F. inst: NATIONAL OPTICAL ASTRONOMY OBSERVATORIES country: USA ! ! end of general_form_proposers block general_form_text: question: 3 section: 1 line_1: Four target BL Lac objects are to be observed, with the PC line_2: and the 795LP (I) filter. A short exposure of a nearby bright line_3: star will be made before observing each BL Lac object, used as line_4: a local PSF calibrator. The scientific goals of this project line_5: require an excellent understanding of the PSF, beyond that line_6: provided by the monitoring program. The PSF stars are taken line_7: from the Guide Star Photometric Catalog, and are all within line_8: three degrees of their repsective BL Lac objects. Each BL line_9: Lac object is to be observed for between six and eight line_10: 15 minute exposures, using pre-flash, but with no automatic line_11: splitting of the exposures due to cosmic ray considerations. line_12: Observations of the BL Lac and local PSF star should be made line_13: sequentially, but there is no time constraint between the line_14: observations of different BL Lacs. PC6 default position is line_15: to be used for all exposures. ! question: 4 section: 1 line_1: ST observations are required in order to study the morphology line_2: of the host galaxy of BL Lac objects at moderate redshift, line_3: requiring spatial resolution not obtainable from the ground. ! question: 5 section: 1 line_1: Observations of each BL lac objects and its local PSF star line_2: calibrator should be made sequentially, to ensure the most line_3: accurate calibration of the PSF possible. ! question: 7 section: 1 line_1: Data reduction and analysis will be performed at both the line_2: Institute for Advanced Study and at Steward Observatory. ! question: 10 section: 1 line_1: Computing support will be provided by both IAS and Steward line_2: Observatory, and graduate student support will come from line_3: Steward. ! !end of general form text general_form_address: lname: IMPEY fname: CHRIS mi: D. category: PI inst: UNIVERSITY OF ARIZONA addr_1: STEWARD OBSERVATORY addr_2: UNIVERSITY OF ARIZONA city: TUCSON state: AZ zip: 85721 country: USA phone: 602-621-6522 telex: 467175 ! ! end of general_form_address records fixed_targets: targnum: 1 name_1: 0823+033-CALIB descr_1: J, 704 pos_1: RA = 08H 26M 31.70S +/- 0.05S, pos_2: DEC = +06D 09' 23.0" +/- 0.5" equinox: 1950 pm_or_par: NO comment_1: PSF CALIBRATOR FOR 0823+033 fluxnum_1: 1 fluxval_1: V = 13.7 +/- 0.2 ! targnum: 2 name_1: 0823+033 name_2: PKS descr_1: E, 316 pos_1: RA = 08H 23M 13.56S +/- 0.02S, pos_2: DEC = +03D 19' 15.7" +/- 0.2" equinox: 1950 pm_or_par: NO rv_or_z: Z=0.506 fluxnum_1: 1 fluxval_1: V = 18.0 +/- 0.2 ! targnum: 3 name_1: 0828+493-CALIB descr_1: J, 704 pos_1: RA = 08H 28M 30.20S +/- 0.05S, pos_2: DEC = +48D 29' 29.0" +/- 0.5" equinox: 1950 pm_or_par: NO comment_1: PSF CALIBRATOR FOR 0828+493 fluxnum_1: 1 fluxval_1: V = 13.9 +/- 0.2 ! targnum: 4 name_1: 0828+493 name_2: PKS descr_1: E, 316 pos_1: RA = 08H 28M 47.94S +/- 0.02S, pos_2: DEC = +49D 23' 33.4" +/- 0.2" equinox: 1950 pm_or_par: NO rv_or_z: Z=0.548 fluxnum_1: 1 fluxval_1: V = 18.5 +/- 0.2 ! targnum: 5 name_1: 1407+599-CALIB descr_1: J, 704 pos_1: RA = 13H 55M 02.70S +/- 0.05S, pos_2: DEC = +58D 49' 40.0" +/- 0.5" equinox: 1950 pm_or_par: NO comment_1: PSF CALIBRATOR FOR 1407+599 fluxnum_1: 1 fluxval_1: V = 14.1 +/- 0.2 ! targnum: 6 name_1: 1407+599 name_2: MSS descr_1: E, 316 pos_1: RA = 14H 07M 50.75S +/- 0.1S, pos_2: DEC = +59D 53' 48.8" +/- 1" equinox: 1950 pm_or_par: NO rv_or_z: Z=0.495 fluxnum_1: 1 fluxval_1: V = 17.1 +/- 0.2 ! targnum: 7 name_1: 1757+705-CALIB descr_1: J, 704 pos_1: RA = 18H 07M 20.90S +/- 0.05S, pos_2: DEC = +71D 29' 31.0" +/- 0.5" equinox: 1950 pm_or_par: NO comment_1: PSF CALIBRATOR FOR 1757+705 fluxnum_1: 1 fluxval_1: V = 13.9 +/- 0.2 ! targnum: 8 name_1: 1757+705 name_2: MSS descr_1: E, 316 pos_1: RA = 17H 57M 48.70S +/- 0.1S, pos_2: DEC = +70D 33' 48.8" +/- 1" equinox: 1950 pm_or_par: NO rv_or_z: Z=0.407 fluxnum_1: 1 fluxval_1: V = 17.1 +/- 0.2 ! ! end of fixed targets ! No solar system records found ! No generic target records found exposure_logsheet: linenum: 1.000 targname: 0823+033-CALIB config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 1 time_per_exp: 0.60S fluxnum_1: 1 priority: 1 param_1: PRE-FLASH=YES req_1: CYCLE 2 / 1-8; req_2: PCS MODE F / 1-8; req_3: SEQ 1-2 NO GAP ! linenum: 2.000 targname: 0823+033 config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 7 time_per_exp: 900S fluxnum_1: 1 priority: 1 param_1: PRE-FLASH=YES param_2: CR-SPLIT=NO ! linenum: 3.000 targname: 0828+493-CALIB config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 1 time_per_exp: 0.70S fluxnum_1: 1 priority: 3 param_1: PRE-FLASH=YES req_1: SEQ 3-4 NO GAP ! linenum: 4.000 targname: 0828+493 config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 8 time_per_exp: 900S fluxnum_1: 1 priority: 3 param_1: PRE-FLASH=YES param_2: CR-SPLIT=NO ! linenum: 5.000 targname: 1407+599-CALIB config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 1 time_per_exp: 1.00S fluxnum_1: 1 priority: 2 param_1: PRE-FLASH=YES req_1: SEQ 5-6 NO GAP ! linenum: 6.000 targname: 1407+599 config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 7 time_per_exp: 900S fluxnum_1: 1 priority: 2 param_1: PRE-FLASH=YES param_2: CR-SPLIT=NO ! linenum: 7.000 targname: 1757+705-CALIB config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 1 time_per_exp: 0.70S fluxnum_1: 1 priority: 4 param_1: PRE-FLASH=YES req_1: SEQ 7-8 NO GAP ! linenum: 8.000 targname: 1757+705 config: PC opmode: IMAGE aperture: P6 sp_element: F785LP num_exp: 6 time_per_exp: 900S fluxnum_1: 1 priority: 4 param_1: PRE-FLASH=YES param_2: CR-SPLIT=NO ! ! end of exposure logsheet ! No scan data records found