! File: 4865C.PROP ! Database: PEPDB ! Date: 23-FEB-1994:07:00:50 coverpage: title_1: BINARIES IN GLOBULAR CLUSTER NGC6441 SPECTRA (FOS 37) AUGMENTATION: title_2: CYCLE 3 - MEDIUM sci_cat: STELLAR ASTROPHYSICS proposal_for: AUG/FOS cont_id: 3651 pi_title: PROF. pi_fname: BRUCE pi_lname: MARGON pi_inst: WASHINGTON, UNIVERSITY OF pi_country: USA pi_phone: 206-543-0089 hours_pri: 3.60 num_pri: 2 fos: Y ! end of coverpage abstract: line_1: The FOS GTO program includes a systematic study of degenerate stars line_2: in binary systems, both in the field and in globular clusters, plus a handful line_3: of related objects. The GTO program for the globular cluster systems line_4: involves WF/PC or FOC images to locate candidates for cluster X-ray sources line_5: (selection based on UV-excess in multicolor HST images), followed by confirming line_6: FOS spectroscopy. Even 1 or 2 new close binaries identified line_7: through this program will be extremely important, as these line_8: systems are thought to dominate the kinetic energy budget of line_9: globular clusters, yet virtually none are currently known. line_10: This program is for spectroscopic follow-up in NGC6441. ! ! end of abstract general_form_proposers: lname: MARGON fname: BRUCE inst: UNIVERSITY OF WASHINGTON country: USA ! lname: HARMS fname: RICHARD title: PI mi: J. inst: APPLIED RESEARCH CORPORATION country: USA ! lname: BOHLIN fname: RALPH inst: SPACE TELESCOPE SCIENCE INSTITUTE country: USA ! lname: ANGEL fname: J. ROGER mi: P. inst: UNIVERSITY OF ARIZONA country: USA ! lname: BARTKO fname: FRANK inst: UNIVERSITY OF CALIFORNIA, SAN DIEGO country: USA ! lname: BEAVER fname: EDWARD inst: UNIVERSITY OF CALIFORNIA, SAN DIEGO country: USA ! lname: BURBIDGE fname: E. MARGARET inst: UNIVERSITY OF CALIFORNIA, SAN DIEGO country: USA ! lname: DAVIDSEN fname: ARTHUR mi: F. inst: JOHNS HOPKINS UNIVERSITY country: USA ! lname: FORD fname: HOLLAND mi: C. inst: JOHNS HOPKINS UNIVERSITY country: USA ! lname: HARTIG fname: GEORGE mi: F. inst: SPACE TELESCOPE SCIENCE INSTITUTE country: USA ! lname: ANDERSON fname: SCOTT mi: F. inst: UNIVERSITY OF WASHINGTON country: USA ! lname: DOWNES fname: RONALD mi: A. inst: SPACE TELESCOPE SCIENCE INSTITUTE country: USA ! lname: ALLEN fname: RICHARD mi: P. inst: UNIVERSITY OF ARIZONA country: USA ! ! end of general_form_proposers block general_form_text: question: 2 section: 1 line_1: ! question: 3 section: 1 line_1: FOS spectra of a globular cluster X-ray binary counterpart line_2: will be obtained. Counterpart will be selected from line_3: Early-acq WFPC images (from another cycle 3 proposal) line_4: on UV-excess; if no suitable candidate is found, FOS line_5: in this proposal will not be executed. Early-acq images line_6: will also be used to select an OFFSET star for FOS TA in line_7: this proposal. TA of OFFSET star will be followed by blind line_8: offset to target. Exposure time and position will be updated line_9: based on EARLY-ACQ WFPC image. ! question: 5 section: 1 line_1: EARLY-ACQ WFPC images from related cycle 3 proposal line_2: entitled "BINARIES IN GLOBULAR CLUSTER NGC6441 IMAGES line_3: (FOS 37) AUGMENTATION: CYCLE 3 - MEDIUM" must be obtained line_4: before this FOS proposal can be executed. ! question: 7 section: 1 line_1: Data reduction will be performed at the ST ScI, and the analysis will be line_2: performed using FOS IDT computer facilities. ! question: 8 section: 1 line_1: The star for spectroscopy will appear in the WFPC image line_2: obtained as an early-acq. If identical guide stars happen to be line_3: available for both observations, FOS acquisition could be line_4: significantly faster and more reliable. If not, we will offset from line_5: an arbitrary anonymous bright star in field, selected from the line_6: WFPC image. ! question: 10 section: 1 line_1: Data analysis, research assistant support, and funding will be provided under line_2: NASA's FOS GTO contract(s). The FOS IDT support includes a total of roughly line_3: 30 Ph.D. astronomers and graduate students at 5 different institutions. At line_4: each institution one or more workstations (typically Sparc 2's or the line_5: equivalent), plus one or more Microvaxes (or equivalent) are essentially line_6: devoted to processing of HST data. ! !end of general form text general_form_address: lname: MARGON fname: BRUCE category: PI inst: UNIVERSITY OF WASHINGTON addr_1: ASTRONOMY DEPARTMENT, FM-20 city: SEATTLE state: WA zip: 98195 country: USA phone: 206 543-0089 telex: 4740096 ! ! end of general_form_address records fixed_targets: targnum: 1 name_1: NGC6441-OFFSET descr_1: C,201,A,140 pos_2: RA=17H 46M 48.5S+/-0.1S, pos_3: DEC=-37D 02' 17.8"+/-0.6" equinox: 1950 comment_1: OFFSET STAR. comment_2: POSITION WILL BE UPDATED ONCE comment_4: OBJECT IS FOUND ON EARLY-ACQ comment_5: WFPC IMAGES OBTAINED IN comment_6: PRIOR CYCLE 3 PROPOSAL. fluxnum_1: 1 fluxval_1: SURF(V) = 14.0 +/-3.0 ! targnum: 2 name_1: NGC6441-STAR descr_1: C,201,A,165 pos_2: RA-OFF = 0S +/- 2.0S, pos_3: DEC-OFF = 0" +/- 30", pos_4: FROM 1 equinox: 1950 acqpr_1: COMP comment_2: POSITION WILL BE UPDATED ONCE comment_4: OBJECT IS FOUND ON EARLY-ACQ comment_5: WFPC IMAGES OBTAINED IN comment_6: PRIOR CYCLE 3 PROPOSAL. fluxnum_1: 1 fluxval_1: V = 18 +/- 3 ! ! end of fixed targets ! No solar system records found ! No generic target records found exposure_logsheet: linenum: 1.000 targname: NGC6441-OFFSET config: FOS/RD opmode: ACQ/PEAK aperture: 4.3 sp_element: MIRROR num_exp: 1 time_per_exp: 1.0S fluxnum_1: 1 priority: 1 req_1: REQ UPDATE; req_2: SPATIAL SCAN; req_3: ONBOARD ACQ FOR 2; req_4: CYCLE 3/1-6; comment_1: ACQUIRE OFFSET STAR. comment_2: THE EXPOSURE TIME AND POSITION comment_3: WILL BE UPDATED ONCE THE OBJECT comment_4: IS FOUND ON EARLY-ACQ WF/PC comment_5: IMAGE OBTAINED IN PRIOR comment_6: CYCLE 3 PROPOSAL. ! linenum: 2.000 targname: NGC6441-OFFSET config: FOS/RD opmode: ACQ/PEAK aperture: 1.0 sp_element: MIRROR num_exp: 1 time_per_exp: 2.0S fluxnum_1: 1 priority: 1 req_1: REQ UPDATE; req_2: SPATIAL SCAN; req_3: ONBOARD ACQ FOR 3; comment_1: FURTHER PEAK-UP OF OFFSET comment_2: STAR. EXPOSURE TIME comment_3: WILL BE UPDATED BASED ON comment_4: EARLY-ACQ WF/PC IMAGE comment_5: OBTAINED IN PRIOR comment_6: CYCLE 3 PROPOSAL. ! linenum: 3.000 targname: NGC6441-OFFSET config: FOS/RD opmode: ACQ/PEAK aperture: 0.5 sp_element: MIRROR num_exp: 1 time_per_exp: 3.0S fluxnum_1: 1 priority: 1 param_1: SEARCH-SIZE=3, param_2: SCAN-STEP=0.35 req_1: REQ UPDATE; req_2: ONBOARD ACQ FOR 3.5; comment_1: CENTER OFFSET STAR IN 0.5" comment_2: SCIENCE APERTURE. EXPOSURE comment_3: TIME WILL BE UPDATED BASED comment_4: ON EARLY-ACQ IN WFPC IMAGE comment_5: FROM PRIOR CYCLE 3 PROP. ! linenum: 3.500 targname: NGC6441-OFFSET config: FOS/RD opmode: ACQ/PEAK aperture: 0.3 sp_element: MIRROR num_exp: 1 time_per_exp: 8S fluxnum_1: 1 priority: 1 param_1: SEARCH-SIZE=5, param_2: SCAN-STEP=0.1 req_1: REQ UPDATE; req_2: ONBOARD ACQ FOR 4-5; comment_1: CENTER OFFSET STAR IN 0.5" comment_2: SCIENCE APERTURE. EXPOSURE comment_3: TIME WILL BE UPDATED BASED comment_4: ON EARLY-ACQ IN WFPC IMAGE comment_5: FROM PRIOR CYCLE 3 PROP. ! linenum: 4.000 targname: NGC6441-STAR config: FOS/RD opmode: ACCUM aperture: 0.5 sp_element: G650L num_exp: 1 time_per_exp: 4500S fluxnum_1: 1 priority: 1 req_1: REQ UPDATE; req_2: SEQ 4-6 NO GAP; comment_1: BLIND OFFSET TO SCIENCE TARGET comment_2: EXPOSURE. TIME AND POSITION comment_3: UPDATED BASED ON PC IMAGES comment_4: (PC IN PRIOR CYCLE 3 PROP) ! linenum: 5.000 targname: NGC6441-STAR config: FOS/BL opmode: ACQ/PEAK aperture: 0.3 sp_element: MIRROR num_exp: 1 time_per_exp: 8.0S fluxnum_1: 1 priority: 1 param_1: SEARCH-SIZE=5, param_2: SCAN-STEP=0.1 req_1: REQ UPDATE; req_2: ONBOARD ACQ FOR 6; comment_1: RECENTER SCIENCE TARGET IN 0.3" comment_2: APERTURE AFTER SWITCH TO comment_3: BLUE SIDE. EXPOSURE TIME AND comment_4: TARGET WILL BE UPDATED BASED ON comment_5: EARLY-ACQ WFPC IMAGE FROM comment_6: PRIOR CYCLE 3 PROP. ! linenum: 6.000 targname: NGC6441-STAR config: FOS/BL opmode: ACCUM aperture: 0.5 sp_element: G160L num_exp: 1 time_per_exp: 3000S fluxnum_1: 1 priority: 1 req_1: REQ UPDATE; comment_2: EXPOSURE TIME WILL BE comment_3: UPDATED BASED ON PC IMAGES comment_4: (PC IN PRIOR CYCLE 3 PROP) ! ! end of exposure logsheet scan_data: line_list: 1 fgs_scan: cont_dwell: D dwell_pnts: 3 dwell_secs: 1.00 scan_width: 0.0000 scan_length: 2.8000 sides_angle: 90.0000 number_lines: 1 scan_rate: 0.0000 first_line_pa: 0.0000 scan_frame: S/C len_offset: +1.4 wid_offset: 0.0 ! line_list: 2 fgs_scan: cont_dwell: D dwell_pnts: 6 dwell_secs: 1.00 scan_width: 0.7000 scan_length: 3.5000 sides_angle: 90.0000 number_lines: 2 scan_rate: 0.0000 first_line_pa: 90.0000 scan_frame: S/C len_offset: +1.75 wid_offset: 0.35 ! ! end of scan data