COVER INFORMATION Station: VLA1 (Code Y ) Experiment: BB75: Vir A at 18cm // epoch 4 Exp. Code: BB075D Schedule Version: 1.00 Processed by SCHED version: Version of 18 August 1997 PI: Bill Junor Address: Dept. Physics & Astronomy, University of New Mexico 800 Yale Blvd., N.E., Albuquerque, New Mexico, 87131 U.S.A. Phone: 505 846 4948 EMAIL: bjunor@astro.phys.unm.edu Fax: 505 277 1520 Phone during observation: 505 237 2128 Observing mode: Continuum Notes: Non-standard frequency scheme. Will need non-standard patch at VLA. Schedule for VLA1 (Code Y ) Page 2 BB75: Vir A at 18cm // epoch 4 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. ------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes Stop UT LST EL AZ HA UP ParA Dwell (see above) ------------------------------------------------------------------------------- --- Mon 1 Dec 1997 Day 335 --- Next scan frequencies: 1412.99 1412.99 1662.99 1662.99 Next BBC frequencies: 623.09 623.09 623.09 623.09 Next scan bandwidths: 4.00 4.00 4.00 4.00 10 40 00 3C274 08 10 50 27.6 93.5 -4.3 -57.8 0 1 1 0 11 02 00 --- 08 32 54 32.1 96.8 -4.0 -57.4 1320 F 1 4400 11 02 00 3C274 08 32 54 32.1 96.8 -4.0 -57.4 -15 1 1 4400 11 24 00 --- 08 54 58 36.6 100.4 -3.6 -56.5 1305 F 1 8800 11 26 00 3C274 08 56 58 37.0 100.7 -3.6 -56.4 104 1 1 8800 11 48 00 --- 09 19 02 41.5 104.6 -3.2 -55.2 1320 F 1 13200 11 48 00 3C274 09 19 02 41.5 104.6 -3.2 -55.2 -15 1 1 13200 12 10 00 --- 09 41 05 45.9 109.0 -2.8 -53.3 1305 F 1 17600 12 12 00 3C274 09 43 06 46.3 109.4 -2.8 -53.1 104 1 2 17600 12 34 00 --- 10 05 09 50.5 114.4 -2.4 -50.6 1320 R 1 13200 12 34 00 3C274 10 05 09 50.5 114.4 -2.4 -50.6 -15 1 2 13200 12 56 00 --- 10 27 13 54.6 120.2 -2.1 -47.1 1305 R 1 8800 12 58 00 3C274 10 29 13 54.9 120.8 -2.0 -46.8 104 1 2 8800 13 20 00 --- 10 51 17 58.7 127.8 -1.7 -42.1 1320 R 1 4400 13 20 00 3C274 10 51 17 58.7 127.8 -1.7 -42.1 -15 1 2 4400 13 42 00 --- 11 13 20 62.1 136.3 -1.3 -35.9 1305 R 1 0 13 44 00 3C274 11 15 21 62.4 137.2 -1.3 -35.2 104 1 1 0 14 06 00 --- 11 37 24 65.2 147.6 -0.9 -27.0 1320 F 2 4400 14 06 00 3C274 11 37 24 65.2 147.6 -0.9 -27.0 -15 1 1 4400 14 28 00 --- 11 59 28 67.2 160.0 -0.5 -16.9 1305 F 2 8800 14 28 00 3C273B 11 59 28 57.3 166.3 -0.5 -11.3 -45 1 1 8800 14 33 00 --- 12 04 29 57.5 168.6 -0.4 -9.5 255 F 2 9800 14 33 00 3C274 12 04 29 67.5 163.0 -0.4 -14.3 -45 1 1 9800 14 50 00 --- 12 21 32 68.2 174.0 -0.2 -5.1 975 F 2 13200 14 50 00 3C274 12 21 32 68.2 174.0 -0.2 -5.1 -15 1 1 13200 15 12 00 --- 12 43 35 68.1 188.5 0.2 7.2 1305 F 2 17600 Schedule for VLA1 (Code Y ) Page 3 BB75: Vir A at 18cm // epoch 4 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. ------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes Stop UT LST EL AZ HA UP ParA Dwell (see above) ------------------------------------------------------------------------------- --- Mon 1 Dec 1997 Day 335 --- 15 12 00 OQ208 12 43 35 71.4 101.9 -1.4 -67.2 -145 1 2 17600 15 17 00 --- 12 48 36 72.4 103.3 -1.3 -66.5 155 R 2 16600 15 19 00 3C274 12 50 36 67.9 193.0 0.3 11.0 -30 1 2 16600 15 36 00 --- 13 07 39 66.8 203.4 0.6 19.7 990 R 2 13200 15 38 00 3C274 13 09 39 66.6 204.6 0.6 20.6 103 1 2 13200 16 00 00 --- 13 31 43 64.3 216.3 1.0 30.1 1320 R 2 8800 16 00 00 3C274 13 31 43 64.3 216.3 1.0 30.1 -15 1 2 8800 16 22 00 --- 13 53 47 61.2 226.1 1.4 37.6 1305 R 2 4400 16 24 00 3C274 13 55 47 60.9 226.9 1.4 38.2 104 1 2 4400 16 46 00 --- 14 17 51 57.4 234.8 1.8 43.9 1320 R 2 0 16 46 00 3C274 14 17 51 57.4 234.8 1.8 43.9 -15 1 3 0 17 08 00 --- 14 39 54 53.5 241.4 2.2 48.1 1305 F 1 4400 17 08 00 OQ208 14 39 54 81.0 233.7 0.6 49.4 -97 1 3 4400 17 13 00 --- 14 44 55 80.1 237.9 0.6 53.0 203 F 1 5400 17 13 00 3C274 14 44 55 52.6 242.7 2.2 48.9 -98 1 3 5400 17 30 00 --- 15 01 58 49.4 247.0 2.5 51.3 922 F 1 8800 17 30 00 3C274 15 01 58 49.4 247.0 2.5 51.3 -15 1 3 8800 17 52 00 --- 15 24 01 45.1 251.8 2.9 53.7 1305 F 1 13200 17 52 00 3C274 15 24 01 45.1 251.8 2.9 53.7 -15 1 3 13200 18 14 00 --- 15 46 05 40.7 256.1 3.3 55.4 1305 F 1 17600 18 14 00 3C274 15 46 05 40.7 256.1 3.3 55.4 -15 1 4 17600 18 30 00 --- 16 02 08 37.5 258.9 3.5 56.3 945 R 1 14400 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bj18_20cm.set --- WARNING --- This group does not match an entry in the frequency catalog. Be very sure that it is correct. Setup group: 2 Station: VLA1 Total bit rate: 32 Format: VLBA1:4 Bits per sample: 1 Sample rate: 8.000 Number of channels: 4 Passes/head pos: 2 Speedup factor: 4.00 Tape speeds: Low density - 66.665 ips, High density - 40.00 ips Time per pass for 17600 ft, High density tapes is: 01:28:00 LO sum= 1412.99 1412.99 1662.99 1662.99 1st LO= 789.90 789.90 1039.90 1039.90 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC fr= 623.09 623.09 623.09 623.09 Bandwd= 4.00 4.00 4.00 4.00 BBC = 1 2 3 4 BBC SB= U U U U IF = A C B D Track assignments are: track1= 2, 10, 18, 26 track2= 3, 11, 19, 27 barrel=roll_auto VLA specific information: (LO and FI cards will be written.) VLABAND: VL VLABW: 0000 FEFILTER: 0000 VLAFEAB: -3.20 VLAFECD: -3.20 VLAIF: SYSLIF VLASYNA: 3589.90 VLASYNB: 3839.90 VLAROT: VLBLROT FLUKEA: 100.00 FLUKEB: 200.00 FLUKESET: 0 Details for VLA IFs: LO Sum Frequency span VLBI FIRSTLO VLA IF A: 1389.9000 1389.9000- 1439.9000 789.9000 VLA IF B: 1639.9000 1639.9000- 1689.9000 1039.9000 VLA IF C: 1389.9000 1389.9000- 1439.9000 789.9000 VLA IF D: 1639.9000 1639.9000- 1689.9000 1039.9000 With new digital patch panel, VLA IF = VLB IF. SOURCE LIST -- BB75: Vir A at 18cm // epoch 4 Catalog positions marked with *. Position of date is for stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Source Source position (RA/Dec) (B1950) (J2000) (Date) J1229+0203 12 26 33.24307 * 12 29 06.69970 12 28 59.34751 1226+023 02 19 43.2317 * 02 03 08.5980 02 03 55.5761 3C273 /home/arana/cwalker/sched/catalogs/sources.vlba * 3C273B VLA Calibrator Source List J1229+02 J1230+1223 12 28 17.56642 * 12 30 49.42340 12 30 42.00538 1228+126 12 40 01.6757 * 12 23 28.0442 12 24 11.6871 * 3C274 /home/arana/cwalker/sched/catalogs/sources.vlba J1230+12 USNO - Ref Frame 1995-1, Eubanks Mar 1995 J1407+2827 14 04 45.61099 * 14 07 00.39442 14 06 52.99197 1404+286 28 41 29.1724 * 28 27 14.6900 28 27 53.3073 J1407+28 /home/arana/cwalker/sched/catalogs/sources.vlba * OQ208 USNO - Ref Frame 1995-1, Eubanks Mar 1995