COVER INFORMATION Station: VLBA_MK (Code Mk ) 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_MK (Code Mk ) 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 06 42 00 3C274 06 40 51 6.5 79.1 -5.8 -71.1 0 1 1 0 07 04 00 --- 07 02 54 11.6 80.9 -5.5 -72.0 1320 F 1 4400 07 04 00 3C274 07 02 54 11.6 80.9 -5.5 -72.0 -2 1 1 4400 07 26 00 --- 07 24 58 16.8 82.5 -5.1 -72.8 1318 F 1 8800 07 28 00 3C274 07 26 58 17.2 82.7 -5.1 -72.8 117 1 1 8800 07 50 00 --- 07 49 02 22.4 84.3 -4.7 -73.5 1320 F 1 13200 07 50 00 3C274 07 49 02 22.4 84.3 -4.7 -73.5 -2 1 1 13200 08 12 00 --- 08 11 06 27.6 86.0 -4.3 -73.9 1318 F 1 17600 08 14 00 3C274 08 13 06 28.0 86.2 -4.3 -74.0 117 1 2 17600 08 36 00 --- 08 35 10 33.2 87.9 -3.9 -74.3 1320 R 1 13200 08 36 00 3C274 08 35 10 33.2 87.9 -3.9 -74.3 -2 1 2 13200 08 58 00 --- 08 57 13 38.4 89.7 -3.6 -74.4 1318 R 1 8800 08 58 00 3C273B 08 57 13 35.4 102.0 -3.5 -67.0 -10 1 2 8800 09 03 00 --- 09 02 14 36.5 102.6 -3.4 -66.7 290 R 1 7800 09 03 00 3C274 09 02 14 39.6 90.1 -3.5 -74.4 -10 1 2 7800 09 20 00 --- 09 19 17 43.6 91.6 -3.2 -74.4 1010 R 1 4400 09 20 00 3C274 09 19 17 43.6 91.6 -3.2 -74.4 -2 1 2 4400 09 42 00 --- 09 41 20 48.8 93.7 -2.8 -74.0 1318 R 1 0 09 42 00 OQ208 09 41 20 29.5 67.8 -4.4 -82.2 -40 1 1 0 09 47 00 --- 09 46 21 30.6 67.9 -4.3 -82.7 260 F 2 1000 09 49 00 3C274 09 48 22 50.4 94.4 -2.7 -73.8 78 1 1 1000 10 06 00 --- 10 05 24 54.4 96.4 -2.4 -73.2 1020 F 2 4400 10 08 00 3C274 10 07 25 54.9 96.6 -2.4 -73.1 117 1 1 4400 10 30 00 --- 10 29 28 60.0 99.6 -2.0 -71.8 1320 F 2 8800 10 30 00 3C274 10 29 28 60.0 99.6 -2.0 -71.8 -2 1 1 8800 10 52 00 --- 10 51 32 65.1 103.5 -1.7 -69.5 1318 F 2 13200 Schedule for VLBA_MK (Code Mk ) 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 --- 10 54 00 3C274 10 53 32 65.6 103.9 -1.6 -69.2 117 1 1 13200 11 16 00 --- 11 15 36 70.5 109.5 -1.3 -65.3 1320 F 2 17600 11 16 00 3C274 11 15 36 70.5 109.5 -1.3 -65.3 -2 1 2 17600 11 38 00 --- 11 37 39 75.3 118.2 -0.9 -58.1 1318 R 2 13200 11 38 00 OQ208 11 37 39 55.0 68.3 -2.5 -95.9 -43 1 2 13200 11 43 00 --- 11 42 40 56.1 68.1 -2.4 -96.7 257 R 2 12200 11 43 00 3C274 11 42 40 76.3 120.9 -0.8 -55.8 -42 1 2 12200 12 00 00 --- 11 59 43 79.5 133.7 -0.5 -44.1 978 R 2 8800 12 00 00 3C274 11 59 43 79.5 133.7 -0.5 -44.1 -2 1 2 8800 12 22 00 --- 12 21 47 82.3 163.5 -0.1 -15.8 1318 R 2 4400 12 22 00 3C274 12 21 47 82.3 163.5 -0.1 -15.8 -2 1 2 4400 12 44 00 --- 12 43 50 82.0 203.6 0.2 22.7 1318 R 2 0 12 44 00 3C274 12 43 50 82.0 203.6 0.2 22.7 -2 1 3 0 13 00 00 --- 12 59 53 79.8 224.5 0.5 42.5 958 F 1 3200 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