! File: 1257C.PROP ! Database: PEPDB ! Date: 16-FEB-1994:08:04:36 coverpage: title_1: MASSIVE STARS IN EXTRAGALACTIC HII REGIONS sci_cat: STELLAR POPULATIONS sci_subcat: NEARBY GALAXIES proposal_for: GTO/FOC pi_fname: J. pi_mi: M. pi_lname: DEHARVENG pi_inst: CNRS,LABORATOIRE ASTRONOMIE SPATIALE pi_country: FRANCE pi_phone: 91 05 59 17 keywords_1: MASSIVE STARS, HII REGIONS hours_pri: 5.00 num_pri: 4 ! end of coverpage abstract: line_1: It is proposed to take advantage of the high angular resolution and UV response line_2: of the Faint Object Camera to study the young massive stellar population in line_3: giant extragalactic HII regions. This will, in turn, enable to determine the line_4: upper Initial Mass Function in conditions different from those in the solar line_5: neighborhood. Three HII regions, NGC 604 and NGC 595 in the galaxy M33, NGC line_6: 5471 in the galaxy M 101 have been selected for observations at the f/96 mode. line_7: Three filters, including one in the far UV, are required for each target. ! ! end of abstract general_form_proposers: lname: LEQUEUX fname: JAMES inst: MARSEILLE OBSERVATORY country: FRANCE esa: X ! lname: JOUBERT fname: M. inst: CNRS, LABORATORY FOR SPACE ASTRONOMY country: FRANCE esa: X ! lname: DEHARVENG fname: J. mi: M. inst: CNRS, LABORATORY FOR SPACE ASTRONOMY country: FRANCE esa: X ! ! end of general_form_proposers block general_form_text: question: 3 section: 1 line_1: Observations at high angular resolution (F/96) through three filters (F165W, line_2: F342W and F437M) in order to build a color-magnitude diagram for the brightest line_3: stars and to have a first evaluation of dust extinction. The filter F437M is line_4: used to get a near B flux while avoiding H-beta. line_6: Four targets: NGC 604 (2 positions) line_7: NGC 595 line_8: NGC 5471 line_10: The respective exposure times are based on the detection and resolution of line_11: stars down to M_v = -2 (NGC 604 - position 1), M_v = -1 (NGC 604 - position 2 line_12: and NGC 595), M_v = -5 (NGC 5471). line_14: In one case, two exposures are duplicated with additional neutral density line_15: filters in order to calibrate the photometry of overexposed images. ! question: 4 section: 1 line_1: The HST will enable to study the massive stars of giant extragalactic HII line_2: regions in which ground-based observations are definitively limited by the line_3: stellar crowding. The best angular resolution which is provided by the FOC, is line_4: needed and the UV spectral range improves the selection of hot massive stars. ! question: 7 section: 1 line_1: To be done on LAS VAX. ! question: 10 section: 1 line_1: Data analysis capabilities line_2: Research assistance ! question: 13 section: 1 line_1: It is proposed to take advantage of the high angular resolution and UV response line_2: of the Faint Object Camera to study the young massive stellar population in line_3: giant extragalactic HII regions. This will, in turn, enable to determine the line_4: upper Initial Mass Function in conditions different from those in the solar line_5: neighborhood. Three HII regions, NGC 604 and NGC 595 in the galaxy M33, NGC line_6: 5471 in the galaxy M 101 have been selected for observations at the f/98 mode. line_7: Three filters, including one in the far UV, are required for each target. ! !end of general form text general_form_address: lname: DEHARVENG fname: J. mi: M. category: PI inst: LABORATOIRE D'ASTRONOMIE SPATIALE DU C.N.R.S. addr_1: TRAVERSE DU SIPHON addr_2: LES TROIS LUCS addr_3: 13012 city: MARSEILLE country: FRANCE phone: 91 05 59 17 telex: 420584 F ! ! end of general_form_address records fixed_targets: targnum: 1 name_1: NGC604-POS1 descr_1: EXT-CLUSTER; HII REGION pos_1: RA=1H 34M 32.75S +/- 1", pos_2: DEC=30D 47' 07" +/- 1" equinox: 2000 rv_or_z: V=-240 acqpr_1: EXT fluxnum_1: 1 fluxval_1: V=22.8, TYPE=B2.5V, A(V)=1 +/- 0.2 ! targnum: 2 name_1: NGC604-POS2 descr_1: ^ pos_1: RA=1H 34M 32.43S +/- 1", pos_2: DEC=30D 46' 58.5" +/- 1" equinox: ^ rv_or_z: ^ acqpr_1: EXT fluxnum_1: 1 fluxval_1: V=23.6, TYPE=B5V, A(V)=0.8 +/- 0.2 ! targnum: 3 name_1: NGC595 descr_1: ^ pos_1: RA=1H 33M 33.82S +/- 1", pos_2: DEC=30D 41' 33" +/- 1", equinox: ^ rv_or_z: V=-188 acqpr_1: EXT fluxnum_1: 1 fluxval_1: V=23.9, TYPE=B5V, A(V)=1 +/- 0.3 ! ! end of fixed targets ! No solar system records found ! No generic target records found exposure_logsheet: linenum: 1.000 targname: NGC604-POS1 config: FOC/96 opmode: IMAGE aperture: 512X512 sp_element: F165W num_exp: 1 time_per_exp: 1000S s_to_n: 10 fluxnum_1: 1 priority: 1 req_1: CYCLE 2 / 1-3.5; req_2: GUID TOL 0.020" / 1-11.5; ! linenum: 2.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F342W num_exp: ^ time_per_exp: 600S s_to_n: ^ fluxnum_1: ^ priority: 2 req_1: DARK TIME / 2-3.5; ! linenum: 3.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F430W num_exp: ^ time_per_exp: 800S s_to_n: ^ fluxnum_1: ^ priority: 2 ! linenum: 3.500 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F600M num_exp: ^ time_per_exp: 200S s_to_n: ^ fluxnum_1: ^ priority: 1 ! linenum: 6.000 targname: NGC604-POS2 config: ^ opmode: ^ aperture: ^ sp_element: F165W num_exp: ^ time_per_exp: 1600S s_to_n: 10 fluxnum_1: ^ priority: 2 req_1: CYCLE 2 / 6-8.5; req_2: COND IF TAC OK / 6-8.5; ! linenum: 7.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F342W num_exp: ^ time_per_exp: 600S s_to_n: ^ fluxnum_1: ^ priority: ^ ! linenum: 8.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F430W num_exp: ^ time_per_exp: 800S s_to_n: ^ fluxnum_1: ^ priority: ^ ! linenum: 8.500 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F600M num_exp: 1 time_per_exp: 400S s_to_n: 10 fluxnum_1: 1 priority: 2 ! linenum: 9.000 targname: NGC595 config: ^ opmode: ^ aperture: ^ sp_element: F165W num_exp: ^ time_per_exp: 600S s_to_n: ^ fluxnum_1: ^ priority: ^ req_1: CYCLE 2; ! linenum: 10.000 targname: NGC595 config: FOC/96 opmode: IMAGE aperture: 512X512 sp_element: F342W num_exp: 1 time_per_exp: 1000S s_to_n: 10 fluxnum_1: 1 priority: 2 req_1: CYCLE 2 / 10-11.5; req_2: COND IF TAC OK / 10-11.5; ! linenum: 11.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F430W num_exp: ^ time_per_exp: 1200S s_to_n: ^ fluxnum_1: ^ priority: ^ ! linenum: 11.500 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F600M num_exp: ^ time_per_exp: 400S s_to_n: ^ fluxnum_1: ^ priority: ^ ! ! end of exposure logsheet ! No scan data records found