! $Id: 5450,v 6.1 1994/07/27 18:08:14 pepsa Exp $ coverpage: title_1: HOST GALAXIES AND CLUSTER ENVIRONMENTS OF QUASARS AS title_2: FUNCTIONS OF QUASAR OPTICAL AND RADIO LUMINOSITY: CYCLE 4 MEDIUM sci_cat: QUASARS & AGN sci_subcat: HOST GALAXIES proposal_for: GO pi_fname: CHRISTOPHER pi_mi: D pi_lname: IMPEY pi_inst: 1212 pi_country: USA pi_phone: 602-621-6522 hours_pri: 12.09 num_pri: 16 wf_pc: Y off_fname: MICHAEL off_lname: CUSANOVICH off_title: V.P. FOR RESEARCH off_inst: UNIVERSITY OF ARIZONA off_addr_1: ADMINISTRATION BUILDING 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 WFPC2 observations of the fields of 17 quasars to line_2: investigate the properties of the host galaxies and environments as line_3: functions of radio and optical luminosity. Recent results of a radio line_4: study of optically-selected quasars confirm a previously-reported line_5: decrease in radio-loud fraction of quasars with absolute line_6: magnitudes fainter than MB = -24. The proposed HST observations line_7: have two purposes: to determine whether there is a corresponding change line_8: in host galaxy and environment properties for quasars fainter and line_9: brighter than MB = -24; and to compare these properties for radio-loud line_10: and radio-quiet quasars. The sample is selected from the Large line_11: Bright Quasar Survey, a homogeneous survey compiled by an automated line_12: procedure which is reasonably free of selection effects. The line_13: HST observations will be complemented by an ongoing ground-based line_14: imaging and spectroscopy program. ! ! end of abstract general_form_proposers: lname: IMPEY fname: CHRISTOPHER mi: D inst: 1212 country: USA ! lname: HOOPER fname: ERIC mi: J inst: 1212 country: USA ! lname: FOLTZ fname: CRAIG mi: B inst: 1216 country: USA ! ! end of general_form_proposers block general_form_text: question: 3 section: 1 line_1: Each of 16 quasars will be placed within 100 pixels of the geometric center line_2: of the Planetary Camera, which will be used to image the host galaxy and any line_3: close neighbors. The 3 CCDs of the Wide Field Camera will provide a view of line_4: any surrounding cluster environment which may be present. B and R filters line_5: (F439W and F675W, respectively) will be employed. The total exposure times line_6: were determined by the need to observe sufficient spatial extent in the host line_7: galaxies. This was estimated from a model of a typical host galaxy, which is line_8: described in the Phase I proposal. Since no a priori information is known line_9: about the galaxies in individual fields, the S_TO_N keyword in the exposure line_10: logsheet lines are left blank. Quasars with redshifts in the range 0.4 < z line_11: < 0.45 are given 20 minutes (3 X 400 seconds) per filter. The higher redshift line_12: objects (0.45 < z < 0.5) are typically given 25 minutes (3 X 500 seconds) per line_13: filter, although the R-band exposures for 3 objects are broken into 4 X 350 line_14: second (23.3 minute) segments to avoid blooming in the central pixel. The line_15: R-band exposure time for one object had to be broken into 5 X 300 second line_16: exposures to reduce the chance of blooming. The numerical saturation limit of line_17: 60000 electrons may be exceeded in the central pixels of the individual R-band line_18: images for eight quasars. In these cases an additional 80 second unsaturated line_19: image will be obtained to aid in the deconvolution of the quasar from the host. line_20: The SEQ NO GAP special requirement has been set for each of the 80 second line_21: exposures to link them to the longer exposures of the same field. This is line_22: necessary, since long time lags will introduce uncertainties due to detector line_23: changes or variability in the quasars. ! question: 3 section: 2 line_1: The gain is set to 15 e-/DN for all exposures in both filters. The specific line_2: exposures through the B filter are: 3 X 500 seconds for targets 4, 5, 10, 11, line_3: 12, 13, 16, 17; 3 X 400 seconds for targets 1, 2, 3, 6, 7, 8, 9, 15. Note that line_4: there is not a target number 14. The specific exposures through the R filter line_5: are: 3 X 500 seconds for target 17; 3 X 500 seconds plus 80 seconds for each line_6: field for targets 4, 12, 16; 5 X 300 seconds + 80 seconds for target 10; 4 X 350 line_7: seconds for target 13; 4 X 350 seconds plus 80 seconds for each field for line_8: targets 5, 11; 3 X 400 seconds for targets 1, 2, 6, 7, 8, 9; 3 X 400 seconds line_9: plus 80 seconds for each field for targets 3, 15. ! question: 4 section: 1 line_1: The high angular resolution of HST is required for detailed imaging of the line_2: quasar hosts and surrounding galaxies. Host galaxy parameters derived line_3: from ground-based images are rather uncertain, due to the difficulty of line_4: deconvolving the relatively large point spread function produced by line_5: atmospheric seeing. Typical seeing corresponds to a resolution of line_6: approximately 7 kpc at z = 0.5, whereas the Planetary Camera will be line_7: able to resolve structures roughly as small as 600 pc. line_8: The extensive ground-based observations which will support the HST data line_9: are discussed in the Scientific Justification (section 2) of the Phase I line_10: proposal. ! question: 5 section: 1 line_1: ! question: 6 section: 1 line_1: ! ! question: 8 section: 1 line_1: The value for the APERTURE keyword is PC1 for every exposure, which line_2: requests that the target be placed at the optimum center of the PC. line_3: If this position will be more than about 100 pixels from the geometric line_4: center of the PC, please choose the best center within 100 pixels line_5: of the geometric center. We do not want to lose any part of the line_6: quasar host galaxies or any close interacting galaxies off the edge line_7: of the CCD. ! question: 9 section: 1 line_1: GO Program 2524 "Spectropolarimetry of Bright Quasars" - IMPEY line_2: GO Program 3732 "Spectropolarimetry of Bright Quasars" - IMPEY line_3: GO Program 3648 "Imaging of BL Lac Host Galaxies and Environments" - IMPEY line_4: GO Program 4402 "A Study of the Gravitational Lens 1422+321" - IMPEY, FOLTZ line_5: None are related to this proposal. Papers are in preparation on the line_6: results of GO Programs 2524 and 3732. The data from GO Program 3648 line_7: have been received and are being reduced. The observations for GO line_8: Program 4402 have not yet been made. ! question: 10 section: 1 line_1: The University of Arizona will provide central computing services (hard disks, line_2: networks, tape drives) in support of this project. We will also be supported line_3: by the University of Arizona in complementary ground-based observing of the line_4: quasar fields. ! !end of general form text general_form_address: lname: Impey fname: Christopher mi: D category: PI inst: 1212 addr_1: Steward Observatory addr_2: University of Arizona city: Tucson state: AZ zip: 85721 country: USA phone: 602-621-6522 telex: impey@as.arizona.edu ! lname: Hooper fname: Eric mi: J category: CON inst: 1212 addr_1: Steward Observatory addr_2: University of Arizona city: Tucson state: AZ zip: 85721 country: USA phone: 602-621-6523 telex: ehooper@as.arizona.edu ! ! end of general_form_address records fixed_targets: targnum: 1 name_1: QSO-002311+003517 name_2: LBQS-0020+0018 descr_1: E, descr_2: 313 pos_1: RA = 00H 20M 37.25S +/- 1.5", pos_2: DEC = +00D 18' 39.0" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4232 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 18.52 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.08 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.68 +/- 0.15 ! targnum: 2 name_1: QSO-002403-024500 name_2: LBQS-0021-0301 descr_1: E, descr_2: 313 pos_1: RA = 00H 21M 29.26S +/- 1.5", pos_2: DEC = -03D 01' 37.6" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4218 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 18.89 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = -0.12 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.31 +/- 0.15 ! targnum: 3 name_1: UM301 name_2: LBQS-0100+0205 descr_1: E, descr_2: 313 pos_1: RA = 01H 00M 38.54S +/- 1.5", pos_2: DEC = +02D 05' 04.8" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.3934 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.66 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = -0.15 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.19 +/- 0.15 ! targnum: 4 name_1: QSO-114118-001250 name_2: LBQS-1138+0003 descr_1: E, descr_2: 314 pos_1: RA = 11H 38M 43.87S +/- 11.5", pos_2: DEC = +00D 03' 48.0" +/- 11.5" equinox: 1950 rv_or_z: Z = 0.5003 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.71 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.19 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.50 +/- 0.15 ! targnum: 5 name_1: QSO-115223+002627 name_2: LBQS-1149+0043 descr_1: E, descr_2: 313 pos_1: RA = 11H 49M 49.60S +/- 1.5", pos_2: DEC = +00D 43' 08.3" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4661 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 16.87 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.17 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.46 +/- 0.15 ! targnum: 6 name_1: QSO-121228+124254 name_2: LBQS-1209+1259 descr_1: E, descr_2: 313 pos_1: RA = 12H 09M 54.90S +/- 1.5", pos_2: DEC = +12D 59' 35.2" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4180 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 18.57 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = -0.02 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.37 +/- 0.15 ! targnum: 7 name_1: Q1218+1734 name_2: LBQS-1218+1734 descr_1: E, descr_2: 314 pos_1: RA = 12H 18M 07.40S +/- 1.5", pos_2: DEC = +17D 34' 58.9" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4445 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.74 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.04 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.39 +/- 0.15 ! targnum: 8 name_1: Q1222+1010 name_2: LBQS-1222+1010 descr_1: E, descr_2: 313 pos_1: RA = 12H 22M 39.76S +/- 1.5", pos_2: DEC = +10D 10' 55.8" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.3978 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 18.37 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = -0.04 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.14 +/- 0.15 ! targnum: 9 name_1: Q1222+1235 name_2: LBQS-1222+1235 descr_1: E, descr_2: 314 pos_1: RA = 12H 22M 40.70S +/- 1.5", pos_2: DEC = +12D 35' 12.9" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4121 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.5 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = -0.07 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.03 +/- 0.15 ! targnum: 10 name_1: QSO-123304-003136 name_2: LBQS-1230-0015 descr_1: E, descr_2: 314 pos_1: RA = 12H 30M 30.20S +/- 1.5", pos_2: DEC = -00D 15' 03.0" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4705 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 16.91 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.09 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.74 +/- 0.15 ! targnum: 11 name_1: Q1240+1754 name_2: LBQS-1240+1754 descr_1: E, descr_2: 313 pos_1: RA = 12H 40M 07.41S +/- 1.5", pos_2: DEC = +17D 54' 43.8" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4585 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.26 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.15 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.63 +/- 0.15 ! targnum: 12 name_1: QSO-124456-013935 name_2: LBQS-1242-0123 descr_1: E, descr_2: 313 pos_1: RA = 12H 42M 22.12S +/- 1.5", pos_2: DEC = -01D 23' 10.6" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4906 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.24 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.09 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.32 +/- 0.15 ! targnum: 13 name_1: Q1243+1701 name_2: LBQS-1243+1701 descr_1: E, descr_2: 313 pos_1: RA = 12H 43M 58.29S +/- 1.5", pos_2: DEC = +17D 01' 44.6" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.4591 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.75 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = -0.14 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.12 +/- 0.15 ! targnum: 15 name_1: QSO-221652-184814 name_2: LBQS-2214-1903 descr_1: E, descr_2: 313 pos_1: RA = 22H 14M 07.84S +/- 1.5", pos_2: DEC = -19D 03' 13.8" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.3965 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 18.04 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.11 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.79 +/- 0.15 ! targnum: 16 name_1: QSO-235058+022741 name_2: LBQS-2348+0210 descr_1: E, descr_2: 314 pos_1: RA = 23H 48M 23.88S +/- 1.5", pos_2: DEC = +02D 10' 59.2" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.5039 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 17.82 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.53 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 1.00 +/- 0.15 ! targnum: 17 name_1: PKS2351-006 name_2: LBQS-2351-0036 descr_1: E, descr_2: 313 pos_1: RA = 23H 51M 35.36S +/- 1.5", pos_2: DEC = -00D 36' 29.9" +/- 1.5" equinox: 1950 rv_or_z: Z = 0.46 comment_1: THE FLUX VALUES ARE FOR THE QUASAR. comment_2: THE OBJECTS OF INTEREST ARE comment_3: THE HOST GALAXY AND ANY comment_4: NEIGHBORING GALAXIES, THE DATA FOR comment_5: WHICH ARE UNAVAILABLE. fluxnum_1: 1 fluxval_1: V = 18.27 +/- 0.15 fluxnum_2: 2 fluxval_2: B-V = 0.20 +/- 0.15 fluxnum_3: 3 fluxval_3: B-R = 0.69 +/- 0.15 ! ! end of fixed targets ! No solar system records found ! No generic target records found exposure_logsheet: linenum: 1.000 targname: QSO-115223+002627 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F439W num_exp: 3 time_per_exp: 400S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4;DO FOR TARG 5,11,13,17 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8 ! linenum: 2.000 targname: QSO-002311+003517 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F439W num_exp: 3 time_per_exp: 400S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 1,2,3,6,7,8,9,15 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8 ! linenum: 3.000 targname: QSO-114118-001250 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F439W num_exp: 3 time_per_exp: 400S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 4,10,12,16 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8 ! linenum: 101.000 targname: PKS2351-006 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 3 time_per_exp: 400S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THIS comment_5: OBJECT IS NOT EXPECTED TO SATURATE comment_6: PC; HENCE NO ADDITIONAL SHORT EXPOS. ! linenum: 102.000 targname: QSO-114118-001250 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 3 time_per_exp: 400S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 4,12,16 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THE comment_5: EXPOS. FOR EACH OBJ. ARE IMMEDIATELY comment_6: FOLLOWED BY AN 80S EXP. (LINE 103). ! linenum: 103.000 targname: QSO-114118-001250 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 1 time_per_exp: 80S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 4,12,16; ! req_2: CYCLE 4; GROUP 102,103 NO GAP comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THE 80S comment_5: EXPOS. IMMEDIATELY FOLLOW THE LONGER comment_6: EXPOS. FOR EACH OBJECT (LINE 102). ! linenum: 104.000 targname: QSO-002311+003517 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 3 time_per_exp: 400S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 1,2,6,7,8,9 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THESE comment_5: OBJECTS ARE NOT EXPECTED TO SATURATE comment_6: PC; HENCE NO ADDITIONAL SHORT EXPOS. ! linenum: 105.000 targname: UM301 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 3 time_per_exp: 400S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 3,15 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THE comment_5: EXPOS. FOR EACH OBJ. ARE IMMEDIATELY comment_6: FOLLOWED BY AN 80S EXP. (LINE 106). ! linenum: 106.000 targname: UM301 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 1 time_per_exp: 80S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 3,15; ! req_2: GROUP 105,106 NO GAP comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THE 80S comment_5: EXPOS. IMMEDIATELY FOLLOW THE LONGER comment_6: EXPOS. FOR EACH OBJECT (LINE 105). ! linenum: 107.000 targname: QSO-115223+002627 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 4 time_per_exp: 350S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 5,11 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THE comment_5: EXPOS. FOR EACH OBJ. ARE IMMEDIATELY comment_6: FOLLOWED BY AN 80S EXP. (LINE 108). ! linenum: 108.000 targname: QSO-115223+002627 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 1 time_per_exp: 80S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; DO FOR TARG 5,11; ! req_2: GROUP 107,108 NO GAP comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THE 80S comment_5: EXPOS. IMMEDIATELY FOLLOW THE LONGER comment_6: EXPOS. FOR EACH OBJECT (LINE 107). ! linenum: 109.000 targname: Q1243+1701 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 4 time_per_exp: 350S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. THIS comment_5: OBJECT IS NOT EXPECTED TO SATURATE comment_6: PC; HENCE NO ADDITIONAL SHORT EXPOS. ! linenum: 110.000 targname: QSO-123304-003136 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 5 time_per_exp: 300S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4 comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. comment_5: THIS WILL BE IMMEDIATELY comment_6: FOLLOWED BY AN 80 SEC EXP (LINE 111). ! linenum: 111.000 targname: QSO-123304-003136 config: WFPC2 opmode: IMAGE aperture: PC1 sp_element: F675W num_exp: 1 time_per_exp: 80S priority: 2 param_1: ATD-GAIN = 15 req_1: CYCLE 4; SEQ 110,111 NO GAP comment_1: PLEASE ENSURE THAT THE OPTIMUM CENTER comment_2: (APERTURE = PC1) IS WITHIN 100 PIXELS comment_3: OF THE GEOMETRIC CENTER OF THE PC. comment_4: SEE GENERAL FORM QUESTION 8. comment_5: THIS 80 SEC EXPOSURE IMMEDIATELY comment_6: FOLLOWS THE LONGER ONES IN LINE 110. ! ! end of exposure logsheet ! 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