COVER INFORMATION Station: VLBA_OV (Code Ov ) Experiment: BB75: Vir A at 18cm // epoch 1 Exp. Code: BB075 Schedule Version: 1.00 Processed by SCHED version: 10 Feb 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 1 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) ------------------------------------------------------------------------------- --- Tue 25 Feb 1997 Day 56 --- 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 05 10 00 3C274 07 37 19 20.7 89.9 -4.9 -54.6 0 1 1 0 05 32 00 --- 07 59 23 25.1 93.3 -4.5 -54.5 1320 F 1 4400 05 32 00 3C274 07 59 23 25.1 93.3 -4.5 -54.5 -2 1 1 4400 05 54 00 --- 08 21 27 29.4 96.8 -4.2 -54.0 1318 F 1 8800 05 56 00 3C274 08 23 27 29.8 97.2 -4.1 -54.0 117 1 1 8800 06 18 00 --- 08 45 31 34.2 100.9 -3.8 -53.2 1320 F 1 13200 06 18 00 3C274 08 45 31 34.2 100.9 -3.8 -53.2 -2 1 1 13200 06 40 00 --- 09 07 34 38.4 105.0 -3.4 -52.0 1318 F 1 17600 06 42 00 3C274 09 09 34 38.8 105.4 -3.4 -51.8 117 1 2 17600 07 04 00 --- 09 31 38 43.0 109.9 -3.0 -50.1 1320 R 1 13200 07 04 00 3C274 09 31 38 43.0 109.9 -3.0 -50.1 -2 1 2 13200 07 26 00 --- 09 53 42 47.1 114.9 -2.6 -47.7 1318 R 1 8800 07 28 00 3C274 09 55 42 47.4 115.4 -2.6 -47.4 117 1 2 8800 07 50 00 --- 10 17 46 51.3 121.1 -2.2 -44.3 1320 R 1 4400 07 50 00 3C274 10 17 46 51.3 121.1 -2.2 -44.3 -2 1 2 4400 08 12 00 --- 10 39 49 54.9 127.8 -1.8 -40.1 1318 R 1 0 08 14 00 3C274 10 41 50 55.2 128.4 -1.8 -39.7 117 1 1 0 08 36 00 --- 11 03 53 58.5 136.3 -1.4 -34.3 1320 F 2 4400 08 36 00 3C274 11 03 53 58.5 136.3 -1.4 -34.3 -2 1 1 4400 08 58 00 --- 11 25 57 61.3 145.5 -1.1 -27.5 1318 F 2 8800 08 58 00 3C273B 11 25 57 52.0 153.9 -1.1 -20.5 -21 1 1 8800 09 03 00 --- 11 30 58 52.4 155.8 -1.0 -19.1 279 F 2 9800 09 03 00 3C274 11 30 58 61.8 147.8 -1.0 -25.7 -21 1 1 9800 09 20 00 --- 11 48 00 63.4 156.2 -0.7 -19.2 999 F 2 13200 09 20 00 3C274 11 48 00 63.4 156.2 -0.7 -19.2 -2 1 1 13200 09 42 00 --- 12 10 04 64.7 168.1 -0.3 -9.7 1318 F 2 17600 Schedule for VLBA_OV (Code Ov ) Page 3 BB75: Vir A at 18cm // epoch 1 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) ------------------------------------------------------------------------------- --- Tue 25 Feb 1997 Day 56 --- 09 42 00 OQ208 12 10 04 64.1 101.2 -1.9 -62.7 -47 1 2 17600 09 47 00 --- 12 15 05 65.0 102.4 -1.9 -62.2 253 R 2 16600 09 49 00 3C274 12 17 05 65.0 172.1 -0.2 -6.4 71 1 2 16600 10 06 00 --- 12 34 08 65.2 182.0 0.1 1.6 1020 R 2 13200 10 08 00 3C274 12 36 08 65.1 183.2 0.1 2.6 117 1 2 13200 10 30 00 --- 12 58 12 64.4 195.7 0.5 12.8 1320 R 2 8800 10 30 00 3C274 12 58 12 64.4 195.7 0.5 12.8 -2 1 2 8800 10 52 00 --- 13 20 16 62.8 207.3 0.8 22.0 1318 R 2 4400 10 54 00 3C274 13 22 16 62.6 208.3 0.9 22.7 117 1 2 4400 11 16 00 --- 13 44 19 60.2 218.4 1.2 30.4 1320 R 2 0 11 16 00 3C274 13 44 19 60.2 218.4 1.2 30.4 -2 1 3 0 11 38 00 --- 14 06 23 57.2 227.0 1.6 36.6 1318 F 1 4400 11 38 00 OQ208 14 06 23 81.2 179.3 0.0 -0.7 -50 1 3 4400 11 43 00 --- 14 11 24 81.2 186.5 0.1 5.9 250 F 1 5400 11 43 00 3C274 14 11 24 56.5 228.8 1.7 37.8 -51 1 3 5400 12 00 00 --- 14 28 27 53.8 234.4 2.0 41.5 969 F 1 8800 12 00 00 3C274 14 28 27 53.8 234.4 2.0 41.5 -2 1 3 8800 12 22 00 --- 14 50 30 50.1 240.8 2.3 45.3 1318 F 1 13200 12 22 00 3C274 14 50 30 50.1 240.8 2.3 45.3 -2 1 3 13200 12 44 00 --- 15 12 34 46.2 246.3 2.7 48.3 1318 F 1 17600 12 44 00 3C274 15 12 34 46.2 246.3 2.7 48.3 -2 1 4 17600 13 00 00 --- 15 28 37 43.2 249.9 3.0 50.0 958 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 SOURCE LIST -- BB75: Vir A at 18cm // epoch 1 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 33.24499 * 12 29 06.69970 12 28 59.07947 1226+023 02 19 43.2835 * 02 03 08.5980 02 03 58.0229 3C273 /home/arana/cwalker/sched/catalogs/sources.vlba * 3C273B VLA Calibrator Source List J1229+02 J1230+1223 12 28 17.56844 * 12 30 49.42340 12 30 41.80957 1228+126 12 40 01.7274 * 12 23 28.0442 12 24 15.7324 * 3C274 /home/arana/cwalker/sched/catalogs/sources.vlba J1230+12 USNO - Ref Frame 1995-1, Eubanks Mar 1995 J1407+2827 14 04 45.61392 * 14 07 00.39442 14 06 53.28872 1404+286 28 41 29.2163 * 28 27 14.6900 28 27 53.1314 J1407+28 /home/arana/cwalker/sched/catalogs/sources.vlba * OQ208 USNO - Ref Frame 1995-1, Eubanks Mar 1995