! ! VLBA monitoring of the HST UV Snapshot LLAGNs - NN Dec02 ! expt = 'BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs' expcode = 'bn021cb' version = 1 piname = 'Neil Nagar' address1 = 'Postbus 800' address2 = '9700 AV Groningen' address3 = 'The Netherlands' phone = '1' obsphone = '1' fax = ' ' email = 'nagar@astro.rug.nl' obsmode = 'continuum' obstype = 'VLBA' opminant = 4 opminel = 15 correl = 'VLBA' note1 = 'Target coordinates from previous VLBA observations' note2 = 'Fringe finders: J0927+3902, can also try J0921+6215' note3 = 'Phase-referencing used for all sources' note4 = 'This subscript for NGC3031. Run up to 6 times' ! ! ========================================================== ! ======================= Setup File ====================== ! ========================================================== ! ! 18-cm setup at 128-4-2, standard 1:2 fanout, 80 ips tape speed ! v18cm-128-4-2-L.set i.e. 128Mbps, 4 BB's, 2bit sampling ! 6-cm setup at 128-4-2, standard 1:2 fanout, 80 ips tape speed ! v6cm-128-4-2-L.set ! 4-cm setup at 128-4-2, standard 1:2 fanout, 80 ips tape speed ! v4cm-128-4-2-R.set ! 2-cm setup at 128-4-2, standard 1:2 fanout, 80 ips tape speed ! v2cm-128-4-2-L.set ! ! ========================================================== ! ============== Correlator Information ================== ! ========================================================== ! ! correl = 'Socorro' coravg = 2 ! default 2sec sampling corchan = 16 ! (continuum) default 16 channels per BB cornant = 10 corpol = 'off' corwtfn = 'uniform' corsrcs = 'schedule' cortape = DAT corship1 = 'Neil Nagar' corship2 = 'Postbus 800' corship3 = '9700 AV Groningen' corship4 = 'The Netherlands' cornote1 = 'Put data on DDS2' ! ! ========================================================== ! ================== Program control ===================== ! ========================================================== ! ! Normally SCHED will not overwrite preexisting files. ! If you want this protection, comment this following line. overwrit ! ! To process only VLBA and VLA stations, uncomment the following line: dosta 'vl' ! ! ! ! ========================================================== ! =================== Tape initialization ================= ! ========================================================== ! tapeini / tpsta = vlba tpdrive = 1 tpindex = 1 tplength= 17600 ndrives = 2 nheadpos= 14 density = H / autotape=2 ! automatic tape handling, so no need to schedule in passes ! ! ========================================================== ! ======= Standard Source and Station Catalogs ============ ! ========================================================== ! srccat / ! ! for following: use phasecal= J1217+3007 (1.0deg,0.2 @4cmVLBA,IRCF,mainly pointlike) ! J1207+2754 (3.1deg,0.27@4cmVLBA,pointlike) ! and extra checks = J1221+2813 (1.0deg,0.23@4cmVLBA,IRCF,extended jet) ! J1228+3128 (2.8deg,0.23@4cmVLBA,slightlyextended) ! J1209+2547 (4.2deg,0.23@4cmVLBA,slightly extended) ! J1159+2914 (4.5deg,1.6 @4cmVLBA,IRCF,extended at lowest contour) ! this too is an IRCF source ! bn008 used phase calib 'J1217+3007' from the VLBA calib database source='NGC4278' ra=12:20:06.8254 dec=29:16:50.715 epoch='J2000' calcode=' ' / ! Wrobel VLBA snapshot ! ! ! for following: use phasecal= J1238+0723 (5.2deg,0.29@4cmVLBA,extended) ! J1222+0413 (9 deg,0.63@4cmVLBA,IRCF,pointlike) ! and extra checks = J1300+1206 (6 deg,0.18@4cmVLBA,pointlike) ! J1215+1654 (6.6deg,0.29@4cmVLBA,only slightly extended) ! J1254+1141=1252+119 (5deg,ICRF,.5Jy@2GHz,.3Jy@8GHz,extended) ! J1239+0730=1236+077 (5deg,ICRF,.5Jy@2GHz,.5Jy@8GHz,extended) ! there are also the following two IRCF sources ! 1deg dist: J1230+1223 = 1228+126 = 3C274 = M87! ! 2deg dist: J1225+1253 = M84 source='NGC4552' ra=12:35:39.80813 dec=12:33:22.8448 epoch='J2000' calcode=' ' / ! our 6cm VLBA position ! ! ! for following: use phasecal= J1752+1734 (1.1deg,0.29@4cmVLBA,extended) ! J1751+0939 (8.8deg,3.2 @4cmVLBA,ICRF,pointlike) ! and extra checks = J1745+1814 (2.4deg,0.15@4cmVLBA,extended at lowest contour) ! J1745+1720 (2.6deg,0.6 @4cmVLBA,ICRF,somewhat extended) ! J1745+2252 (5.2deg,0.16@4cmVLBA,pointlike) ! J1759+2343 (5.5deg,0.26@4cmVLBA,maybe extended) ! J1728+1215 (9.1deg,0.6 @4cmVLBA,extended at lowest contour) ! NGC6500 appears to be a USNO calib! its in the ICRF paper. ! bn008 used phase calib J1752+1734 source='NGC6500' ra=17:55:59.7824 dec=18:20:17.661 epoch='J2000' calcode=' ' / ! Falcke VLBA ! ! ! for following: use phasecal= J1148+5254 (2.8deg,0.34@4cmVLBA,pointlike) ! J1158+4825 (7.0deg,0.30@4cmVLBA,pointlike) ! and extra checks = J1208+5441 (1.7deg,0.26@4cmVLBA but no image!) ! J1146+5356 (2.2deg,0.35@4cmVLBA but no image!) ! J1217+5835 (4.1deg,0.28@4cmVLBA,extended - weak twin `jets') ! J1128+5925 (5.6deg,0.31@4cmVLBA,ICRF,extended at lowest contours) ! J1153+4931 (6.0deg,0.94@4cmVLBA,ICRF,slightly extended) source='NGC3998' ra=11:55:20.9000 dec=55:43:54.9998 epoch='B1950' calcode=' ' / ! EVN, Filho et al. 2002 (priv comm) ! ! ! for following: use phasecal= J0239-0234 (5.7deg,0.32@4cmVLBA,ICRF,ext at lowest contours ! J0243-0550 (2.5deg,0.38@4cmVLBA,extended, requires model) ! and extra checks = J0246-1236 (4.5deg,0.21@4cmVLBA,ext at lowest contours) ! J0259-0019 (9.1deg,0.55@4cmVLBA,ext at lowest contours) ! J0248-1631 (8.5deg,0.18@4cmVLBA,ext at lowest contour) ! NGC1052 is an IRCF source; max 0.19Jy@4cmVLBA; phase calibrators less important source='NGC1052' ra=02:41:04.7985 dec=-08:15:20.752 epoch='J2000' calcode=' ' / ! VLBI, Ma et al. 1998, ICRS ! ! ! for following: use phasecal=J1048+7143 (5.1deg,0.93@4cmVLBA,ICRF,pointlike) ! use J0921+6215 (see below) with a model. ! and extra checks =J0958+6533 (3.5deg,0.43@4cmVLBA,IRCF,some jet) ! J1056+7011 (5.5deg,0.24@4cmVLBA,ICRF,pointlike) ! J1031+7441 (6.3deg,0.19@4cmVLBA,pointlike) ! J0921+6215 (7.6deg,1.24@4cmVLBA,ICRF,pointlike with weak secondary source) ! J1101+6241 (9.2deg,0.21@4cmVBLA,pointlike) source='NGC3031' ra=09:55:33.1730 dec=+69:03:55.061 epoch='J2000' calcode=' ' / ! VLBI, Ma et al. 1998, ICRS ! ! ! for following: use phasecal=J1245-1616 (5.0deg,.48@4cmVLBA,pointlike) ! J1305-1033 (6.4deg,.78@4cmVLBA,ICRF,pointlike) ! and extra checks =J1246-0730 (4.5deg,.70@4cmVLBA,some extended at lowest contours) ! J1248-0632 (5.5deg,.4 @4cmVLBA,lowest contour little extended) ! J1303-1051 (5.7deg,.24@4cmVLBA,pointlike) ! J1215-1731 (8.3deg,2.1@4cmVLBA,ICRF, pointlike, but low dec) source='NGC4594' ra=12:39:59.4302 dec=-11:37:22.985 epoch='J2000' calcode=' ' / ! VLBI, Ma et al. 1998, ICRS ! ! ! for following: use phasecal=J1214+3309 (0.2deg,0.2 @4cmVLBA,double at 4cm, use model) ! J1217+3007 (3.2deg,0.2 @4cmVLBA,IRCF source, pointlike) ! and extra checks =J1228+3706 (4.7deg,0.26@4cmVLBA,IRCF source, pointlike) ! J1220+3808 (5.1deg,0.2 @4cmVLBA,pointlike) ! J1159+2914 (5.2deg,1.6 @4cmVLBA,IRCF source, small extension) ! J1207+2754 (5.5deg,0.27@4cmVLBA,pointlike) source='NGC4203' ra=12:15:05.0519 dec=+33:11:50.359 epoch='J2000' calcode=' ' / ! VLBA, Falcke et al. 2000 ! ! ! ! for following: use phasecal= J1238+0723 (4.5deg,0.288@4cmVLBA,some structure) ! J1300+1206 (5.5deg,0.186@4cmVLBA,point) ! and extra checks = J1207+1211 (7.5deg,0.29 @4cmVLBA,point) ! J1215+1654 (7.5deg,0.26 @4cmVLBA,point) ! J1230+1223 (1.7deg,3C274 or M87!,~4JyICRS,structure) ! J1225+1253 (3.2deg,M84,ICRS) source='NGC4579' ra=12:37:43.5222 dec=+11:49:05.488 epoch='J2000' calcode=' ' / ! VLBA, Falcke et al. 2000 ! endcat / ! stafile = $SCHED/catalogs/stations.dat srcfile = $SCHED/catalogs/sources.vlba ! ! The following two lines if testing at Socorro !stafile = /home/arana/cwalker/sched/catalogs/stations.dat !srcfile = /home/arana/cwalker/sched/catalogs/sources.vlba ! ! ========================================================== ! ================= Initial Scan Information ============= ! ========================================================== ! ! Observing strategy: ! a. Resource allocations. ! tape - 1 thin tape ! b. Do single-poln (L) 128-4-2 at 18,6,2 cm. Will get state counts. ! single-poln (R) at 4cm ! tpmode=1 => 14 passes ! tpspeed=80 => 44 minutes/pass ! => 616 minutes of total tape motion per tape ! ! NOTES : ! # Ant slew rates : EL 30deg/min, AZ 90deg/min ! # with autotape=2 i.e. auto tape handling : ! scans starting within 450 feet of the expected end of tape after the ! first pass will start in the opposite direction. ! 450 feet is 67.5 seconds at 80ips. ! i.e. we could lose upto 14min in the 12 tape reversals. ! # Sensitivities are similar at 18, 6, and 4 cm. 2cm needs ~3 times ! the observing time to get to similar sensitivity. ! # Typical phase referencing cycle times ! 1-4-1 at 18cm ! 1-4-1 at 6cm ! 1-3-1 and 1-2-1 at 4cm ! 1-2.5-1 and 1-2-1 at 2cm ! sumitem = el1, el2, early, dwell ! sched will list these in summary file LST=VLBA_PT ! for PieTown LST, stations = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA, VLBA_PT, VLBA_KP, VLBA_OV, VLBA_BR, VLBA_MK !-------------------------------------------------------------------------- ! IMPORTANT : The following 5 lines are for test purposes only ! comment out these lines before submitting to scheduler !-------------------------------------------------------------------------- ! for testing set day and time ! since we use LST, we have to use the modified sidereal day i.e. 58378 year = 2003 day = 59360 start = 09:00:00 !assumed to be in LST, bec. we used the LST command !-------------------------------------------------------------------------- ! this is the only setup used in the script setup = '$SCHED/setups/v6cm-128-4-2-L.set' ! PASS1 - 14min on source + check source source='J1048+7143' dur=2:00 gap=2:01 / ! time for slew source='J0921+6215' dur=1:00 gap=0:00 / group 3 rep 7 source='NGC3031' dur=2:00 gap=0:00 / source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / ! extra check sources: source='J1101+6241' dur=1:00 gap=0:00 / source='J0958+6533' dur=1:00 gap=0:00 / source='J1056+7011' dur=1:00 gap=0:00 / source='J1031+7441' dur=1:00 gap=0:00 / ! PASS2 - 10min on source + check source source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / group 3 rep 5 source='NGC3031' dur=2:00 gap=0:00 / source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / ! extra check sources: source='J1101+6241' dur=1:00 gap=0:00 / source='J0958+6533' dur=1:00 gap=0:00 / source='J1056+7011' dur=1:00 gap=0:00 / source='J1031+7441' dur=1:00 gap=0:00 / ! AMPLITUDE CHECK J0854+2006=OJ287 (reccommended by VLBA ob status summary) source='J0854+2006' dur=2:00 gap=2:01 / ! fringe finder : J0927+3902=4C39.25 source='J0927+3902' dur=3:00 gap=0:00 / ! PASS3 - 14min on source + check source source='J1048+7143' dur=2:30 gap=0:00 / ! time for slew source='J0921+6215' dur=1:00 gap=0:00 / group 3 rep 7 source='NGC3031' dur=2:00 gap=0:00 / source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / ! extra check sources: source='J1101+6241' dur=1:00 gap=0:00 / source='J0958+6533' dur=1:00 gap=0:00 / source='J1056+7011' dur=1:00 gap=0:00 / source='J1031+7441' dur=1:00 gap=0:00 / ! PASS4 - 10min on source + check source source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / group 3 rep 5 source='NGC3031' dur=2:00 gap=0:00 / source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / ! extra check sources: source='J1101+6241' dur=1:00 gap=0:00 / source='J0958+6533' dur=1:00 gap=0:00 / source='J1056+7011' dur=1:00 gap=0:00 / source='J1031+7441' dur=1:00 gap=0:00 / ! sched predicts we've used up 2.1hrs; the project should be over. ! insert extra scans in case we're still running: source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / group 3 rep 5 source='NGC3031' dur=2:00 gap=0:00 / source='J1048+7143' dur=1:00 gap=0:00 / source='J0921+6215' dur=1:00 gap=0:00 / ! exit / ! end bn021.key