COVER INFORMATION Station: VLBA_OV (Code Ov ) 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 VLBA_OV (Code Ov ) 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: 987.01 987.01 737.01 737.01 Next scan bandwidths: 4.00 4.00 4.00 4.00 10 40 00 3C274 07 28 13 18.8 88.5 -5.0 -54.6 0 1 1 0 11 02 00 --- 07 50 16 23.2 91.9 -4.7 -54.6 1320 F 1 4400 11 02 00 3C274 07 50 16 23.2 91.9 -4.7 -54.6 -2 1 1 4400 11 24 00 --- 08 12 20 27.6 95.3 -4.3 -54.3 1318 F 1 8800 11 26 00 3C274 08 14 20 28.0 95.7 -4.3 -54.2 117 1 1 8800 11 48 00 --- 08 36 24 32.4 99.3 -3.9 -53.6 1320 F 1 13200 11 48 00 3C274 08 36 24 32.4 99.3 -3.9 -53.6 -2 1 1 13200 12 10 00 --- 08 58 27 36.7 103.3 -3.5 -52.5 1318 F 1 17600 12 12 00 3C274 09 00 28 37.1 103.6 -3.5 -52.4 117 1 2 17600 12 34 00 --- 09 22 31 41.3 108.0 -3.1 -50.9 1320 R 1 13200 12 34 00 3C274 09 22 31 41.3 108.0 -3.1 -50.9 -2 1 2 13200 12 56 00 --- 09 44 35 45.4 112.7 -2.8 -48.8 1318 R 1 8800 12 58 00 3C274 09 46 35 45.8 113.2 -2.7 -48.5 117 1 2 8800 13 20 00 --- 10 08 39 49.7 118.7 -2.4 -45.7 1320 R 1 4400 13 20 00 3C274 10 08 39 49.7 118.7 -2.4 -45.7 -2 1 2 4400 13 42 00 --- 10 30 42 53.5 124.9 -2.0 -42.0 1318 R 1 0 13 44 00 3C274 10 32 43 53.8 125.5 -2.0 -41.6 117 1 1 0 14 06 00 --- 10 54 46 57.2 132.9 -1.6 -36.7 1320 F 2 4400 14 06 00 3C274 10 54 46 57.2 132.9 -1.6 -36.7 -2 1 1 4400 14 28 00 --- 11 16 50 60.2 141.5 -1.2 -30.5 1318 F 2 8800 14 28 00 3C273B 11 16 50 51.1 150.5 -1.2 -23.1 -20 1 1 8800 14 33 00 --- 11 21 51 51.6 152.3 -1.1 -21.7 280 F 2 9800 14 33 00 3C274 11 21 51 60.8 143.7 -1.1 -28.9 -20 1 1 9800 14 50 00 --- 11 38 54 62.6 151.6 -0.9 -22.8 1000 F 2 13200 14 50 00 3C274 11 38 54 62.6 151.6 -0.9 -22.8 -2 1 1 13200 15 12 00 --- 12 00 57 64.3 163.1 -0.5 -13.7 1318 F 2 17600 Schedule for VLBA_OV (Code Ov ) 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 00 57 62.3 99.2 -2.1 -63.4 -45 1 2 17600 15 17 00 --- 12 05 58 63.3 100.3 -2.0 -63.0 255 R 2 16600 15 19 00 3C274 12 07 58 64.7 166.9 -0.4 -10.6 74 1 2 16600 15 36 00 --- 12 25 01 65.1 176.7 -0.1 -2.7 1020 R 2 13200 15 38 00 3C274 12 27 01 65.2 177.9 -0.1 -1.7 117 1 2 13200 16 00 00 --- 12 49 05 64.8 190.6 0.3 8.6 1320 R 2 8800 16 00 00 3C274 12 49 05 64.8 190.6 0.3 8.6 -2 1 2 8800 16 22 00 --- 13 11 09 63.6 202.7 0.7 18.3 1318 R 2 4400 16 24 00 3C274 13 13 09 63.4 203.7 0.7 19.1 117 1 2 4400 16 46 00 --- 13 35 13 61.3 214.4 1.1 27.4 1320 R 2 0 16 46 00 3C274 13 35 13 61.3 214.4 1.1 27.4 -2 1 3 0 17 08 00 --- 13 57 16 58.5 223.6 1.4 34.2 1318 F 1 4400 17 08 00 OQ208 13 57 16 81.0 166.4 -0.2 -12.3 -47 1 3 4400 17 13 00 --- 14 02 17 81.2 173.4 -0.1 -6.0 253 F 1 5400 17 13 00 3C274 14 02 17 57.8 225.5 1.5 35.6 -49 1 3 5400 17 30 00 --- 14 19 20 55.3 231.5 1.8 39.6 971 F 1 8800 17 30 00 3C274 14 19 20 55.3 231.5 1.8 39.6 -2 1 3 8800 17 52 00 --- 14 41 23 51.7 238.2 2.2 43.9 1318 F 1 13200 17 52 00 3C274 14 41 23 51.7 238.2 2.2 43.9 -2 1 3 13200 18 14 00 --- 15 03 27 47.8 244.1 2.5 47.2 1318 F 1 17600 18 14 00 3C274 15 03 27 47.8 244.1 2.5 47.2 -2 1 4 17600 18 30 00 --- 15 19 30 44.9 247.9 2.8 49.0 958 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 Matches group v20cm_2 in /home/arana/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 1 Station: VLBA 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= 2400.00 2400.00 2400.00 2400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC fr= 987.01 987.01 737.01 737.01 Bandwd= 4.00 4.00 4.00 4.00 BBC = 1 2 3 4 BBC SB= L L L L IF = A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 Pulse cal detection. PCAL = 1MHz PCALXB1= S1 S3 S1 S3 S1 S3 S1 S3 PCALXB2= S2 S4 S2 S4 S2 S4 S2 S4 PCALFR1= 10 10 3010 3010 0 0 1010 1010 PCALFR2= 10 10 3010 3010 0 0 1010 1010 Track assignments are: track1= 2, 10, 18, 26 track2= 3, 11, 19, 27 barrel=roll_auto 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