COVER INFORMATION Station: VLBA_FD (Code Fd ) 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_FD (Code Fd ) 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 08 34 39 32.8 94.9 -3.9 -61.4 0 1 1 0 05 32 00 --- 08 56 43 37.5 98.1 -3.6 -60.7 1320 F 1 4400 05 32 00 3C274 08 56 43 37.5 98.1 -3.6 -60.7 -2 1 1 4400 05 54 00 --- 09 18 46 42.2 101.6 -3.2 -59.7 1318 F 1 8800 05 56 00 3C274 09 20 47 42.6 101.9 -3.2 -59.6 117 1 1 8800 06 18 00 --- 09 42 50 47.2 105.8 -2.8 -57.9 1320 F 1 13200 06 18 00 3C274 09 42 50 47.2 105.8 -2.8 -57.9 -2 1 1 13200 06 40 00 --- 10 04 54 51.8 110.4 -2.4 -55.7 1318 F 1 17600 06 42 00 3C274 10 06 54 52.2 110.8 -2.4 -55.4 117 1 2 17600 07 04 00 --- 10 28 58 56.5 116.3 -2.0 -52.2 1320 R 1 13200 07 04 00 3C274 10 28 58 56.5 116.3 -2.0 -52.2 -2 1 2 13200 07 26 00 --- 10 51 01 60.6 122.9 -1.7 -47.7 1318 R 1 8800 07 28 00 3C274 10 53 02 61.0 123.6 -1.6 -47.2 117 1 2 8800 07 50 00 --- 11 15 05 64.8 132.1 -1.3 -40.8 1320 R 1 4400 07 50 00 3C274 11 15 05 64.8 132.1 -1.3 -40.8 -2 1 2 4400 08 12 00 --- 11 37 09 68.0 142.9 -0.9 -32.1 1318 R 1 0 08 14 00 3C274 11 39 09 68.2 144.0 -0.9 -31.1 117 1 1 0 08 36 00 --- 12 01 13 70.5 157.9 -0.5 -19.3 1320 F 2 4400 08 36 00 3C274 12 01 13 70.5 157.9 -0.5 -19.3 -2 1 1 4400 08 58 00 --- 12 23 16 71.7 174.2 -0.1 -5.1 1318 F 2 8800 08 58 00 3C273B 12 23 16 61.4 177.0 -0.1 -2.6 -23 1 1 8800 09 03 00 --- 12 28 17 61.4 179.6 0.0 -0.3 277 F 2 9800 09 03 00 3C274 12 28 17 71.8 178.1 0.0 -1.7 -23 1 1 9800 09 20 00 --- 12 45 20 71.5 191.3 0.2 9.9 997 F 2 13200 09 20 00 3C274 12 45 20 71.5 191.3 0.2 9.9 -2 1 1 13200 09 42 00 --- 13 07 24 69.9 206.9 0.6 23.5 1318 F 2 17600 Schedule for VLBA_FD (Code Fd ) 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 13 07 24 76.9 95.8 -1.0 -76.8 -76 1 2 17600 09 47 00 --- 13 12 25 78.0 97.0 -0.9 -76.3 224 R 2 16600 09 49 00 3C274 13 14 25 69.2 211.4 0.7 27.3 42 1 2 16600 10 06 00 --- 13 31 28 67.0 220.9 1.0 35.2 1020 R 2 13200 10 08 00 3C274 13 33 28 66.7 221.9 1.0 36.0 117 1 2 13200 10 30 00 --- 13 55 32 63.2 231.7 1.4 43.7 1320 R 2 8800 10 30 00 3C274 13 55 32 63.2 231.7 1.4 43.7 -2 1 2 8800 10 52 00 --- 14 17 35 59.3 239.4 1.8 49.3 1318 R 2 4400 10 54 00 3C274 14 19 36 59.0 240.0 1.8 49.7 117 1 2 4400 11 16 00 --- 14 41 39 54.7 246.1 2.2 53.7 1320 R 2 0 11 16 00 3C274 14 41 39 54.7 246.1 2.2 53.7 -2 1 3 0 11 38 00 --- 15 03 43 50.3 251.2 2.6 56.5 1318 F 1 4400 11 38 00 OQ208 15 03 43 77.5 263.6 0.9 76.6 -56 1 3 4400 11 43 00 --- 15 08 44 76.4 264.7 1.0 77.1 244 F 1 5400 11 43 00 3C274 15 08 44 49.3 252.2 2.6 57.0 -56 1 3 5400 12 00 00 --- 15 25 46 45.8 255.5 2.9 58.5 964 F 1 8800 12 00 00 3C274 15 25 46 45.8 255.5 2.9 58.5 -2 1 3 8800 12 22 00 --- 15 47 50 41.1 259.3 3.3 60.0 1318 F 1 13200 12 22 00 3C274 15 47 50 41.1 259.3 3.3 60.0 -2 1 3 13200 12 44 00 --- 16 09 54 36.4 262.7 3.7 60.9 1318 F 1 17600 12 44 00 3C274 16 09 54 36.4 262.7 3.7 60.9 -2 1 4 17600 13 00 00 --- 16 25 56 33.0 265.0 3.9 61.4 958 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