! File: 4546C.PROP ! Database: PEPDB ! Date: 22-FEB-1994:17:05:57 coverpage: title_1: IMAGING OF UV BRIGHT STARS IN THE GALACTIC BULGE sci_cat: HOT STARS sci_subcat: UV-BRIGHT STARS proposal_for: GO pi_title: PROF pi_fname: R. MICHAEL pi_lname: RICH pi_inst: COLUMBIA UNIVERSITY pi_country: USA hours_pri: 4.50 num_pri: 50 foc: Y funds_amount: 112000 funds_length: 12 funds_date: DEC-93 pi_position: ASST PROF ASTRONOMY off_fname: BETH off_mi: H off_lname: ISRAEL off_title: ASSOC. DIRECTOR off_inst: OFFICE OF PROJECTS AND GRANTS, COLUMBIA UNIVERSITY off_addr_1: 405 LOW MEMORIAL LIBRARY off_addr_2: COLUMBIA UNIVERSITY off_city: NY off_state: NY off_zip: 10027 off_phone: 212-854-6851 ! end of coverpage abstract: line_1: Recent HST UV images of the M31 bulge show that luminous post-AGB stars line_2: account for only 20% of its UV light. The stars mostly respnsible for line_3: flux in bulges and ellipticals have not yet been directly observed. We line_4: propose to image MW bulge field at 1500 A with FOC/96 + F140W, making line_5: survey of 6X10^4 Lsun. The stellar populations exceeds the Solar metal line_6: abundance, and the integrated spectra and stellar content are similar line_7: to distant galaxies. We plan to obtain 64 22"X22" FOC images through line_8: F140W in one bulge field, Baade's Window (500pc from the nucleus). line_9: If we can line_10: measure complete star counts and photometry to 0.2 mag accuracy, we line_11: can determine the evolutionary state of the stars responsible for the line_12: UV rising flux. We would expect to see 5 sources of 1 Myr lifetime, an line_13: 50 sources of the (most likely) 10 Myr lifetime associated with the line_14: metal rich core-He burning stars. Any stars discovered can be line_15: followed up with additional spectroscopy and high precision photometry, line_16: a level of detailed study not possible for the UV-Bright stars in line_17: distant galaxies. ! ! end of abstract general_form_proposers: lname: RICH fname: R. MICHAEL title: PI inst: COLUMBIA UNIVERSITY country: USA ! lname: LIEBERT fname: JAMES mi: W inst: UNIVERSITY OF ARIZONA country: USA ! lname: KING fname: IVAN mi: R inst: UC-BERKELEY country: USA ! lname: GREGGIO fname: LAURA inst: OSSERVATORIO DI BOLOGNA country: ITALY esa: Y ! lname: RENZINI fname: ALVIO inst: OSSERVATORIO DI BOLOGNA country: ITALY esa: Y ! ! end of general_form_proposers block general_form_text: question: 3 section: 1 line_1: *** NOTE *** line_2: This proposal is revised to use FOC/96 ONLY line_3: This is a survey to discover UV-bright stars in the Milky Way Bulge. line_4: We are using FOC/96 to image Baade's Window at 1400A. We are imaging line_5: the identical field imaged by WF/PC IDT to study the main sequence. line_6: We will make an 8X8 grid of exposures centered on the WF/PC position. line_7: We will expose only through the F140W filter, for about 300 sec in line_8: each position. Since all neighboring fields are 22 arcsec apart, line_9: we will do 16 fields on each guide star pair, needing only 4 visits line_10: to complete the program. We will use the WF/PC frames line_11: to remove stars getting through the red leak. line_16: NOTE: the full 8X8 mosaic requires only 4 visits because neighboring line_17: fields are only 22 arcsec apart. Dwell-scan mode is used in order line_18: to save unnecessary setup times. line_19: NOTE: position of Baade Window field identical to the deep WF_PC line_20: image used for main-sequence photometry. ! !end of general form text general_form_address: lname: RICH fname: R. MICHAEL category: PI inst: Columbia University addr_1: DEPT. OF ASTRONOMY addr_2: BOX 42 PUPIN addr_3: 538 W. 120TH ST city: NY state: NY zip: 10027 country: USA phone: 212-854-6837 ! ! end of general_form_address records fixed_targets: targnum: 1 name_1: SGR-I descr_1: A,130,131,I,604 pos_1: RA = 17H 59M 10.0S +/- 0.2S, pos_2: DEC = -29D 13' 30" +/- 1.0" equinox: 2000 pm_or_par: N rv_or_z: V = -10 comment_1: *ONLY 4 GUIDE STAR PAIRS NEEDED* fluxnum_1: 1 fluxval_1: V = 15.0 +/- 1.0 fluxnum_2: 2 fluxval_2: B-V = 0.8 +/- 0.2 fluxnum_3: 3 fluxval_3: E(B-V) = 0.4 +/- 0.05 fluxnum_4: 4 fluxval_4: SURF-BKG(V) = 19 +/- 0.3 fluxnum_5: 5 fluxval_5: F-CONT(1400) = 3 +/- 1 E-15 fluxnum_6: 6 fluxval_6: F-CONT(2200) = 1 +/- 0.5 E-15 ! ! end of fixed targets ! No solar system records found ! No generic target records found exposure_logsheet: linenum: 0.500 sequence_1: DEFINE sequence_2: FOC-SGR targname: # config: FOC/96 opmode: IMAGE aperture: 512X1024 sp_element: F175W num_exp: 1 time_per_exp: 350S s_to_n: 5 fluxnum_1: 5 priority: 1 param_1: PIXEL=50X25 comment_1: CAN DO EACH SEQ OF 4 LINES ON A comment_2: SINGLE GSACQ. REGION IS RICH IN GS, comment_3: AND MAX RANGE OF POSITIONS IN EACH comment_4: SEQ IS 66" IN EACH COORDINATE. comment_5: TIME_PER_EXP GIVEN IS PER DWELL. ! linenum: 1.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 77.0,-77.0; req_2: SPATIAL SCAN; req_3: CYCLE 3/1-16; req_4: SEQ 1-4 NO GAP comment_1: EACH ALIGNMENT (GSREAC, SETUP, 4 comment_2: DWELLS, 4 READOUTS, 3 S/C-MOVES) comment_3: LASTS 49.13M. VISIBILITY IS ALWAYS comment_4: > 50M. comment_5: PATTERN IS SUCH THAT EACH comment_6: S/C-MOVE IS JUST 22". ! linenum: 2.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 55.0,-11.0; req_2: SPATIAL SCAN; req_3: SAME ORIENT FOR 2-16 AS 1 ! linenum: 3.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 33.0,-77.0; req_2: SPATIAL SCAN; ! linenum: 4.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 11.0,-11.0; req_2: SPATIAL SCAN; ! linenum: 5.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 77.0,+11.0; req_2: SPATIAL SCAN; req_3: SEQ 5-8 NO GAP; ! linenum: 6.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 55.0,+77.0; req_2: SPATIAL SCAN; ! linenum: 7.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 33.0,+11.0; req_2: SPATIAL SCAN; ! linenum: 8.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG 11.0,+77.0; req_2: SPATIAL SCAN; ! linenum: 9.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -11.0,+11.0; req_2: SPATIAL SCAN; req_3: SEQ 9-12 NO GAP ! linenum: 10.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -33.0,+77.0; req_2: SPATIAL SCAN; ! linenum: 11.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -55.0,+11.0; req_2: SPATIAL SCAN; ! linenum: 12.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -77.0,+77.0; req_2: SPATIAL SCAN; ! linenum: 13.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -11.0,-77.0; req_2: SPATIAL SCAN; req_3: SEQ 13-16 NO GAP ! linenum: 14.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -33.0,-11.0; req_2: SPATIAL SCAN; ! linenum: 15.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -55.0,-77.0; req_2: SPATIAL SCAN; ! linenum: 16.000 sequence_1: USE sequence_2: FOC-SGR targname: SGR-I req_1: POS TARG -77.0,-11.0; req_2: SPATIAL SCAN; ! ! end of exposure logsheet scan_data: line_list: 1,3,5,7,9,11,13,15 fgs_scan: cont_dwell: D dwell_pnts: 4 dwell_secs: 350.00 scan_width: 0.0000 scan_length: 66.0000 sides_angle: 0.0000 number_lines: 1 scan_rate: 0.0000 first_line_pa: 0.0000 scan_frame: S/C len_offset: 0 wid_offset: ! line_list: 2,4,6,8,10,12,14,16 fgs_scan: cont_dwell: D dwell_pnts: 4 dwell_secs: 350.00 scan_width: 0.0000 scan_length: 66.0000 sides_angle: 0.0000 number_lines: 1 scan_rate: 0.0000 first_line_pa: 180.0000 scan_frame: S/C len_offset: 0 wid_offset: ! ! end of scan data