! File: 1049C.PROP ! Database: PEPDB ! Date: 15-FEB-1994:23:45:50 coverpage: title_1: SPECTROPOLARIMETRY OF MAGNETIC WHITE DWARFS -- CYCLE 1 sci_cat: STELLAR ASTROPHYSICS proposal_for: GTO/FOS pi_title: PROF. pi_fname: J. ROGER pi_mi: P pi_lname: ANGEL pi_inst: UNIVERSITY OF ARIZONA pi_country: USA pi_phone: 602-621-6541 keywords_1: WHITE DWARFS, HIGH MAGNETIC FIELDS hours_pri: 10.70 num_pri: 5 fos: Y time_crit: Y pi_position: PROF. OF ASTRONOMY ! end of coverpage abstract: line_1: Spectropolarimetry and spectrophotometry will be used to study the ultraviolet line_2: Zeeman spectra of magnetic white dwarfs with fields in excess of 20 MG. ! ! end of abstract general_form_proposers: lname: BEAVER fname: EDWARD title: DR. inst: UC, SAN DIEGO country: USA ! lname: BURBIDGE fname: E. MARGARET title: DR. inst: UC, SAN DIEGO country: USA ! lname: MARGON fname: BRUCE title: DR. inst: UNIVERSITY OF WASHINGTON country: USA ! lname: ANGEL fname: J. ROGER title: DR. mi: P inst: UNIVERSITY OF ARIZONA country: USA ! lname: FORD fname: HOLLAND title: DR. mi: C inst: JOHNS HOPKINS UNIVERSITY country: USA ! lname: BARTKO fname: FRANK title: DR. inst: MARTIN MARIETTA CORPORATION country: USA ! lname: DAVIDSEN fname: ARTHUR title: DR. mi: F inst: JOHNS HOPKINS UNIVERSITY country: USA ! lname: HARMS fname: RICHARD title: DR. mi: J inst: APPLIED RESEARCH CORPORATION country: USA ! lname: BOHLIN fname: RALPH title: DR. inst: SPACE TELESCOPE SCIENCE INSTITUTE country: USA ! ! end of general_form_proposers block general_form_text: question: 3 section: 1 line_1: Three magnetic white dwarfs will be observed with the FOS line_2: spectropolarimeter. A fourth star with a very short period will be observed line_3: spectroscopically. ! question: 4 section: 1 line_1: All observations below 3000A. All objects have been well observed to line_2: limits of ground-based telescopes and IUE. ! question: 5 section: 1 line_1: Two of the four are variables, and need coverage over their rotation line_2: periods. line_3: The SV prerequisite programs for all FOS observations in this program are: line_4: Prop ID 2195 FOS Target Acquisition Tests All observations line_5: Prop ID 1317 Int./Ext. Wavelength Offsets 1st target line_6: Prop ID 1318 Spectral Flat Fields 1st target line_7: Prop ID 1320 Absolute Spectrophotometry 1st visit of bright targets line_8: Prop ID 1430 Polarimetric Calibration All observations ! question: 13 section: 1 line_1: Ultraviolet spectropolarimetry and spectrophotometry of magnetic white line_2: dwarfs, to study effects of strong fields on continuum and lines, particularly line_3: Lalpha. Four objects will be observed, Grw +70degrees8247, GD 229, PG 1031+23 line_4: and Feige 7. ! !end of general form text general_form_address: lname: ALLEN fname: RICHARD title: DR. category: CON inst: STEWARD OBSERVATORY city: TUCSON state: AZ zip: 85721 country: USA phone: 602-621-7661 telex: 467175 ! lname: ANGEL fname: J. ROGER mi: P title: DR. category: PI inst: STEWARD OBSERVATORY addr_1: UNIVERSITY OF ARIZONA city: TUCSON state: AZ zip: 85721 country: USA phone: 602-621-6541 telex: 467175 ! ! end of general_form_address records fixed_targets: targnum: 1 name_1: GRW+70-8247 descr_1: MAGNETIC WHITE DWARF pos_1: RA=19H 00M 9.97S +/- 1", pos_2: DEC=70D 39' 43.2" +/- 1", pos_3: PLATE-ID=00MA equinox: 2000 pm_or_par: Y pos_epoch_bj: J pos_epoch_yr: 1983.40 ra_pm_val: 0.006133 ra_pm_unct: 0.000200 dec_pm_val: 0.5140 dec_pm_unct: 0.0030 plate_req: N fluxnum_1: 1 fluxval_1: V=13.19 +/- 0.3 ! ! end of fixed targets ! No solar system records found ! No generic target records found exposure_logsheet: linenum: 1.000 targname: GRW+70-8247 config: FOS/BL opmode: ACQ/BINARY aperture: 4.3 sp_element: MIRROR num_exp: 1 time_per_exp: 2.2S priority: 2 param_1: BRIGHT=720000 req_1: CYCLE 1 / 1-4; req_2: SEQ 1-4 NO GAP; req_3: ONBOARD ACQ FOR 2-4 ! linenum: 2.000 targname: GRW+70-8247 config: FOS/BL opmode: ACCUM aperture: 4.3 sp_element: G270H wavelength: 2227-3306 num_exp: 1 time_per_exp: 300S priority: 2 ! linenum: 3.000 targname: GRW+70-8247 config: FOS/BL opmode: ACCUM aperture: 4.3 sp_element: G190H wavelength: 1900 num_exp: 1 time_per_exp: 1200S priority: 2 ! linenum: 4.000 targname: GRW+70-8247 config: FOS/BL opmode: ACCUM aperture: 4.3 sp_element: G130H wavelength: 1150-1608 num_exp: 8 time_per_exp: 1440S priority: 2 param_1: POLSCAN=8B ! ! end of exposure logsheet ! No scan data records found