! EXAMPLE - spectral line observations. overwrite ! Note added Jan. 17, 2013 - GBT needs pointing which isn't shown here. ! Nov. 1, 2012. Use GBT instead of VLA which can no longer ! use the legacy system. Eventually switch to RDBE/DDC and WIDAR. ! Also switch to 2 bit and removed tpmode. RCW. ! ========================================================== ! ================= Cover Information ==================== ! ========================================================== EXPT = 'BD27 VLBA format 7mm line 1995 DEC 29 18:00 -> DEC 30 18:00 UT' EXPCODE = 'BD027' VERSION = 1 PINAME = 'P.J.Diamond' ADDRESS1 = 'NRAO' ADDRESS2 = 'P.O. Box O' ADDRESS3 = 'Socorro, NM 87801, USA' PHONE = '1-505-835-7365 (work) or 1-505-835-2095 (home)' OBSPHONE = '1-505-835-7365 (work) or 1-505-835-2095 (home)' FAX = '1-505-835-7027' EMAIL = 'pdiamond@nrao.edu (internet)' OBSMODE = 'VLBA' OBSTYPE = 'VLBA' ! ========================================================== ! ============== Correlator Information ================== ! ========================================================== correl = 'Socorro' coravg = 4 corchan = 256 cornant = 10 corpol = 'off' corwtfn = 'uniform' corsrcs = 'standard' cortape = FTP corship1 = 'Athol Kemball' corship2 = 'P. O. Box O' corship3 = 'Socorro NM 87801' ! ========================================================== ! ==================== Source Catalog ==================== ! ========================================================== ! This has sources with positions in mixed equinoxes. ! It is normally recommended to use J2000. ! Note most of the continuum sources below could be picked up ! from $SCHED/catalogs/sources.gsfc SRCCAT / SOURCE='3C273' RA=12:26:33.2480 DEC= 02:19:43.290 EQUINOX='B1950' / SOURCE='3C279' RA=12:53:35.8380 DEC=-05:31:08.040 EQUINOX='B1950' / SOURCE='3C345' RA=16:41:17.6080 DEC= 39:54:10.820 EQUINOX='B1950' / SOURCE='3C454.3' RA=22:51:29.52 DEC= 15:52:54.35 EQUINOX='B1950' / SOURCE='OJ287' RA=08:51:57.2530 DEC= 20:17:58.440 EQUINOX='B1950' / SOURCE='1823+568' RA=18:23:14.9490 DEC= 56:49:18.050 EQUINOX='B1950' / SOURCE='1334-127' RA=13:34:59.8150 DEC=-12:42:09.900 EQUINOX='B1950' / SOURCE='1633+382' RA=16:33:30.6280 DEC= 38:14:10.050 EQUINOX='B1950' / SOURCE='0420-014' RA=04:20:43.5400 DEC=-01:27:28.660 EQUINOX='B1950' / SOURCE='1749+096' RA=17:51:32.8185 DEC= 09:39:00.728 EQUINOX='J2000' / SOURCE='RAQR' RA=23:41:14.269 DEC=-15:33:42.89 EQUINOX='B1950' VEL = -27.0, -27.0 / SOURCE='RLEO' RA=09:44:52.2 DEC= 11:39:40.8 EQUINOX='B1950' VEL = -2.0, -2.0 / SOURCE='VYCMA' RA=07:20:54.6 DEC=-25:40:12.2 EQUINOX='B1950' VEL = 20.0 / SOURCE='VXSGR' RA=18:05:02.9 DEC=-22:13:55.6 EQUINOX='B1950' VEL = 8.0 / SOURCE='UHER' RA=16:23:35.0 DEC= 19:00:18.0 EQUINOX='B1950' VEL = -15.0, -15.0 / SOURCE='IKTAU' RA=03:50:43.7 DEC= 11:15:31.8 EQUINOX='B1950' VEL = 34.0, 34.0 / SOURCE='TXCAM' RA=04:56:41.4 DEC= 56:06:29.9 EQUINOX='B1950' VEL = 9.0, 9.0 / SOURCE='NMLCYG' RA=20:46:25.59 DEC= 40:06:58.3 EQUINOX='J2000' VEL = -5.0, -5.0 / SOURCE='SPER' RA=02:19:15.1 DEC=+58:21:34.0 EQUINOX='B1950' VEL = -40.0, -40.0 / ENDCAT / ! ========================================================== ! ==================== Station Catalog =================== ! ========================================================== stafile = '$SCHED/catalogs/stations.dat' freqfile = '$SCHED/catalogs/freq.dat' ! ========================================================== ! ============== Spectral line rest frequecies =========== ! ========================================================== LINEINIT / lineset='ccal' restfreq=43122.027, 43122.027, 43126.027, 43126.027, 43130.027, 43130.027, 43134.027, 43134.027 / lineset='prog' restfreq=43122.027, 43122.027 / ENDLINES / ! ========================================================== ! ==================== Observing setup =================== ! ========================================================== ! This is a fairly fully specified setup file. ! Note the VLBA and GBT setsups are the same in this case. setinit = bd27.set / nchan = 8 samprate = 8.0 bits = 2 bbfilter = 4.0 ! 128 Mbps format = VLBA1:1 bbc = 1, 2, 3, 4, 5, 6, 7, 8 netside = U, U, U, U, U, U, U, U ifchan = R, L, R, L, R, L, R, L ! Radio Astronomy allocation: 42400-43500 pcal = 'off' freqref = 43150.99 freqoff = -8,-8,-4,-4,0,0,4,4 firstlo = 42400.00 fe(1) = '7mm' fe(3) = '7mm' synth(2) = 7.6 synth(3)= 11.6 ! LO = Syn(2) + 3*Syn(3) station = 'VLBA', 'GBT_VLBA' rchan = A lchan = C / / endset / ! As a demonstration, the following is all that is needed ! to get an equivalent setup to the above. It is ! the same. Note that both turn off the pulse calibration tones ! which can mess up spectral line observations. ! Neither setup uses the default 'format' because that would give a ! speedup factor on correlation and the correlator output data ! rate would be too high. Note that the format can be forced ! with either 'tpmode' or 'format'. setinit = bd27a.set / nchan = 8 bits = 2 bbfilter = 4.0 pol = dual pcal = 'off' band = '7mm' / endset / ! ========================================================== ! ================= Initial Scan Information ============= ! ========================================================== ! STATIONS = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA, VLBA_PT, VLBA_KP, VLBA_OV, VLBA_BR, VLBA_MK, GBT_VLBA YEAR = 1995 MONTH = 12 DAY = 29 START = 18:02:00 ! ! LINENAME = 'ccal' DOPPLER ! ========================================================== ! ======================== The Scans ===================== ! ========================================================== SETUP = 'bd27a.set' SOURCE = '1749+096' GAP = 00:02:00 DUR = 00:11:00 DOPSRC 'SPER'/ ! SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / ! SETUP = 'bd27.set' ! Try the other one. SOURCE = '3C454.3' GAP = 00:02:00 DUR = 00:11:00 DOPSRC 'SPER'/ ! SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / ! SOURCE = '3C454.3' GAP = 00:02:00 DUR = 00:11:00 DOPSRC 'SPER'/ ! SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'SPER' GAP = 00:02:00 DUR = 00:11:00 / ! ! __________________________________ ! | | ! | Many scans in the same style. | ! |__________________________________| ! SOURCE = '1749+096' GAP = 00:02:00 DUR = 00:11:00 DOPSRC 'UHER'/ ! SOURCE = 'UHER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'UHER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'UHER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'UHER' GAP = 00:02:00 DUR = 00:11:00 / ! SOURCE = '1749+096' GAP = 00:02:00 DUR = 00:11:00 DOPSRC 'UHER'/ ! SOURCE = 'UHER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'UHER' GAP = 00:02:00 DUR = 00:11:00 / SOURCE = 'UHER' GAP = 00:02:00 DUR = 00:11:00 / ! SOURCE = '1749+096' GAP = 00:02:00 DUR = 00:11:00 DOPSRC 'UHER'/ ! ---------------------------------------------------------------------