COVER INFORMATION Station: VLBA_KP (Code Kp ) 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_KP (Code Kp ) 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 54 52 24.3 90.2 -4.6 -60.3 0 1 1 0 11 02 00 --- 08 16 56 29.0 93.2 -4.2 -60.2 1320 F 1 4400 11 02 00 3C274 08 16 56 29.0 93.2 -4.2 -60.2 -2 1 1 4400 11 24 00 --- 08 38 59 33.6 96.4 -3.9 -59.7 1318 F 1 8800 11 26 00 3C274 08 41 00 34.0 96.7 -3.8 -59.6 117 1 1 8800 11 48 00 --- 09 03 03 38.7 100.1 -3.5 -58.8 1320 F 1 13200 11 48 00 3C274 09 03 03 38.7 100.1 -3.5 -58.8 -2 1 1 13200 12 10 00 --- 09 25 07 43.2 103.8 -3.1 -57.5 1318 F 1 17600 12 12 00 3C274 09 27 07 43.7 104.2 -3.1 -57.4 117 1 2 17600 12 34 00 --- 09 49 11 48.2 108.5 -2.7 -55.5 1320 R 1 13200 12 34 00 3C274 09 49 11 48.2 108.5 -2.7 -55.5 -2 1 2 13200 12 56 00 --- 10 11 14 52.5 113.4 -2.3 -52.9 1318 R 1 8800 12 58 00 3C274 10 13 15 52.9 113.9 -2.3 -52.6 117 1 2 8800 13 20 00 --- 10 35 18 57.1 119.9 -1.9 -48.9 1320 R 1 4400 13 20 00 3C274 10 35 18 57.1 119.9 -1.9 -48.9 -2 1 2 4400 13 42 00 --- 10 57 22 61.0 127.1 -1.6 -43.9 1318 R 1 0 13 44 00 3C274 10 59 22 61.3 127.8 -1.5 -43.3 117 1 1 0 14 06 00 --- 11 21 26 64.8 137.0 -1.2 -36.4 1320 F 2 4400 14 06 00 3C274 11 21 26 64.8 137.0 -1.2 -36.4 -2 1 1 4400 14 28 00 --- 11 43 29 67.6 148.3 -0.8 -27.1 1318 F 2 8800 14 28 00 3C273B 11 43 29 58.2 158.0 -0.8 -18.5 -21 1 1 8800 14 33 00 --- 11 48 30 58.6 160.3 -0.7 -16.6 279 F 2 9800 14 33 00 3C274 11 48 30 68.2 151.3 -0.7 -24.7 -21 1 1 9800 14 50 00 --- 12 05 33 69.6 162.1 -0.4 -15.5 999 F 2 13200 14 50 00 3C274 12 05 33 69.6 162.1 -0.4 -15.5 -2 1 1 13200 15 12 00 --- 12 27 37 70.4 177.7 -0.1 -2.0 1318 F 2 17600 Schedule for VLBA_KP (Code Kp ) 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 27 37 68.3 92.8 -1.7 -74.6 -59 1 2 17600 15 17 00 --- 12 32 37 69.4 93.6 -1.6 -74.4 241 R 2 16600 15 19 00 3C274 12 34 38 70.4 182.9 0.1 2.5 58 1 2 16600 15 36 00 --- 12 51 41 69.9 195.0 0.3 13.0 1020 R 2 13200 15 38 00 3C274 12 53 41 69.7 196.4 0.4 14.2 117 1 2 13200 16 00 00 --- 13 15 45 67.9 210.4 0.8 26.1 1320 R 2 8800 16 00 00 3C274 13 15 45 67.9 210.4 0.8 26.1 -2 1 2 8800 16 22 00 --- 13 37 48 65.1 222.0 1.1 35.6 1318 R 2 4400 16 24 00 3C274 13 39 48 64.8 223.0 1.2 36.3 117 1 2 4400 16 46 00 --- 14 01 52 61.4 232.1 1.5 43.3 1320 R 2 0 16 46 00 3C274 14 01 52 61.4 232.1 1.5 43.3 -2 1 3 0 17 08 00 --- 14 23 56 57.5 239.5 1.9 48.5 1318 F 1 4400 17 08 00 OQ208 14 23 56 84.9 227.6 0.3 45.5 -57 1 3 4400 17 13 00 --- 14 28 57 84.1 235.2 0.4 52.4 243 F 1 5400 17 13 00 3C274 14 28 57 56.6 241.0 2.0 49.4 -57 1 3 5400 17 30 00 --- 14 45 59 53.3 245.5 2.3 52.3 963 F 1 8800 17 30 00 3C274 14 45 59 53.3 245.5 2.3 52.3 -2 1 3 8800 17 52 00 --- 15 08 03 49.0 250.6 2.6 55.0 1318 F 1 13200 17 52 00 3C274 15 08 03 49.0 250.6 2.6 55.0 -2 1 3 13200 18 14 00 --- 15 30 07 44.5 255.0 3.0 57.1 1318 F 1 17600 18 14 00 3C274 15 30 07 44.5 255.0 3.0 57.1 -2 1 4 17600 18 30 00 --- 15 46 09 41.2 257.9 3.3 58.1 958 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