! BH102 1720 Maser Observations Toward W44 overwrit autotape=2 ! ========================================================== ! ================= Cover Information ==================== ! ========================================================== version = 1 expt = 'SNR/OH(1720 MHz) Masers Toward W44' expcode = BH102D obstype = VLBA piname = 'Ian Hoffman' address1 = 'National Radio Astronomy Observatory' address2 = 'P. O. Box O' address3 = 'Socorro, New Mexico, 87801' address4 = ' U.S.A. ' phone = '505 835 7093 ' obsphone = '505 835 7093 ' email = 'ihoffman@aoc.nrao.edu' fax = '505 835 7027 ' obsmode = 'Line' correl = 'Socorro' obsmode = '18 cm VLBA non-standard correlator setup' note1 = 'Main science run toward W44 OH 1720 masers' note2 = '4 baseband channels' note3 = 'The fringe finder is 3C345=J1642+3948' note4 = 'High output data rate allowed by TAC' ! ================================================================ ! In line source catalog. ! ================================================================ srccat / ! 1720 MHz OH ! array pointings to maser targets calcode=' ' source='w44df' ra=18:54:00.000 dec=01:21:00.000 epoch='B1950' VEL= 45.425, 45.425, 137.136, 137.136, 311.501, 311.501, 485.866, 485.866 / source='w44bc' ra=18:53:29.000 dec=01:06:45.000 epoch='B1950' VEL= 45.425, 45.425, 137.136, 137.136, 311.501, 311.501, 485.866, 485.866 / ! correlation positions calcode=' ' source='w44b' ra = 18:56:01.288942 dec = 01:12:46.78374 epoch='J2000' REM='cor pos 1' / calcode=' ' source='w44c' ra = 18:56:03.801530 dec = 01:08:46.94898 epoch='J2000' REM='cor pos 2' / calcode=' ' source='w44d' ra = 18:56:29.482243 dec = 01:20:26.55457 epoch='J2000' REM='cor pos 3' / calcode=' ' source='w44e' ra = 18:56:28.141799 dec = 01:29:12.07552 epoch='J2000' REM='cor pos 4' / calcode=' ' source='w44f' ra = 18:56:36.657147 dec = 01:26:33.17636 epoch='J2000' REM='cor pos 5' / ! ! calibrator sources ! ! Fringe finder calcode='f' SOURCE='3C345','J1642+3948' RA=16:42:58.809951 DEC= 39:48:36.993950 EPOCH='J2000' rem='fringe finder' / ! phase reference source calcode='p' source='J1838+04','J1838+0404' ra=18:38:48.829033 dec=04:04:24.66927 epoch='J2000' REM = 'phase ref source, 250mJy, 5 degrees away' / source='J1907+01','J1907+0127' ra=19:07:11.997375 dec=01:27:08.98922 epoch='J2000' REM = 'phase ref source, 100 mJy weak double, 3 degrees away' / ! polarized polarization calibrator calcode='p' SOURCE='3C286','J1331+305' RA=13:31:08.287984 DEC=30:30:32.958850 EPOCH='J2000' rem='linear polarization calibrator, sets early' / ! polarization calibrators calcode='p' SOURCE='J1751+0939' RA=17:51:32.818573 DEC=09:39:00.72851 EPOCH='J2000' rem='D-term cal, ICRF, 1.1 Jy point source in bh097' / source='J1743-03','J1743-0350' ra=17:43:58.856136 dec=-03:50:04.61668 epoch='J2000' rem='D-term calibrator, ICRF source, 3 Jy at 2GHz' / endcat / ! ========================================================== ! ============== Correlator Information ================== ! ========================================================== correl = 'Socorro' coravg = 7.340032 corchan = 128 cornant = 11 corpol = 'on' corwtfn = 'uniform' corsrcs = 'VLBA Data Base' cortape = DAT corship1 = 'Ian Hoffman' corship2 = 'P. O. Box O' corship3 = 'Socorro NM 87801' cornote1 = 'Uses Y1 ' cornote2 = '5 correlator positions listed in source catalog as' cornote3 = 'REM = cor pos X' ! ! ========================================================== ! ============== Spectral line rest frequecies =========== ! ========================================================== ! lineinit / lineset='OH' restfreq= 1720.52998, 1720.52998 / endlines / ! ========================================================== ! ==================== Setup Information =================== ! ========================================================== ! These are bare minimum setup "files" that use defaults from ! the frequency catalog. ! The first even defaults the BBC numbers and sidebands. ! This still requires getting the frequencies right for the ! scheme that SCHED chooses and is not really recommended. setinit = v18cm-ian.set / nchan = 8 freqref = 1720.530 bbfilter = 0.0625, 0.0625, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 freqoff =-0.0600,-0.0600, 0.0, 0.0, 1.0, 1.0, 2.0, 2.0 bbc = 1, 2, 3, 4, 5, 6, 7, 8 netside = U, U, L, L, L, L, L, L bits = 2 pol = dual pcal = 'off' format = VLBA1:1 samprate = 2.0 rchan = a lchan = c / ! VLA STUFF !firstlo = 1089.9 vlafeab = -3.2 vlasyna = 3889.9 flukea = 100.0 vlaband = 'VL' fefilter = '0000' vlabw = '0000' rchan = a lchan = d station = 'VLA1' / endset / ! ========================================================== ! ======================== The Schedule ================== ! ========================================================== year = 2003 month = 04 day = 18 !day = 58807 start = 08:00:00 !lst = 'vlba_pt' setup = v18cm-ian.set stations = SC, HN, NL, FD, LA, VLA1, PT, KP, OV, BR, MK vlamode = 'vs' linename= 'OH' doppler minpause = 15 ! Start observing sources ! Using dur so that VLBA antennas observe once on source and don't ! have to wait for Y1 to get there (see sch files for more) ! MK misses first hour ! SC misses last 30 minutes !calibration source= '3C286' dwell = 300 gap=0 record dopsrc= 'W44DF' / source= 'J1751+0939' dwell = 280 dopsrc= 'W44DF' / source= '3C345' dwell=300 gap=0 record dopsrc= 'W44DF' / group = 4 repeat = 4 source= 'W44DF' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / source= 'W44BC' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / group = 2 repeat = 1 source= '3C286' dwell = 300 gap=0 record dopsrc= 'W44DF' / source= '3C345' dwell=300 gap=0 record dopsrc= 'W44DF' / source= 'J1751+0939' dwell = 280 dopsrc= 'W44DF' / group = 4 repeat = 6 source= 'W44DF' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / source= 'W44BC' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / group = 1 repeat = 1 source= 'J1751+0939' dwell = 280 dopsrc= 'W44DF' / group = 4 repeat = 7 source= 'W44DF' dur=181 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / source= 'W44BC' dur=181 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / group = 2 repeat = 1 source= '3C345' dwell=300 gap=0 record dopsrc= 'W44DF' / source= 'J1751+0939' dwell = 280 dopsrc= 'W44DF' / group = 4 repeat = 7 source= 'W44DF' dur=181 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / source= 'W44BC' dur=181 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / group = 1 repeat = 1 source= 'J1751+0939' dwell = 280 dopsrc= 'W44DF' / group = 4 repeat = 7 source= 'W44DF' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / source= 'W44BC' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / group = 1 repeat = 1 source= 'J1751+0939' dwell = 280 dopsrc= 'W44DF' / group = 4 repeat = 4 source= 'W44DF' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / source= 'W44BC' dur=180 record dopsrc='W44DF' / source= 'J1838+0404' dur=120 record dopsrc='W44DF' / group = 1 repeat = 1 source= 'J1751+0939' dwell = 280 dopsrc= 'W44DF' / ! ==========================================================