COVER INFORMATION Station: VLA1 (Code Y ) 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 VLA1 (Code Y ) 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: 623.09 623.09 623.09 623.09 Next scan bandwidths: 4.00 4.00 4.00 4.00 05 10 00 3C274 08 19 57 29.4 94.8 -4.2 -57.7 0 1 1 0 05 32 00 --- 08 42 01 34.0 98.2 -3.8 -57.1 1320 F 1 4400 05 32 00 3C274 08 42 01 34.0 98.2 -3.8 -57.1 -15 1 1 4400 05 54 00 --- 09 04 05 38.5 101.9 -3.4 -56.1 1305 F 1 8800 05 56 00 3C274 09 06 05 38.9 102.3 -3.4 -56.0 104 1 1 8800 06 18 00 --- 09 28 08 43.3 106.3 -3.0 -54.5 1320 F 1 13200 06 18 00 3C274 09 28 08 43.3 106.3 -3.0 -54.5 -15 1 1 13200 06 40 00 --- 09 50 12 47.6 110.9 -2.7 -52.4 1305 F 1 17600 06 42 00 3C274 09 52 12 48.0 111.4 -2.6 -52.2 104 1 2 17600 07 04 00 --- 10 14 16 52.2 116.7 -2.3 -49.3 1320 R 1 13200 07 04 00 3C274 10 14 16 52.2 116.7 -2.3 -49.3 -15 1 2 13200 07 26 00 --- 10 36 20 56.2 122.9 -1.9 -45.4 1305 R 1 8800 07 28 00 3C274 10 38 20 56.5 123.5 -1.9 -45.0 104 1 2 8800 07 50 00 --- 11 00 24 60.1 131.1 -1.5 -39.7 1320 R 1 4400 07 50 00 3C274 11 00 24 60.1 131.1 -1.5 -39.7 -15 1 2 4400 08 12 00 --- 11 22 27 63.3 140.3 -1.1 -32.8 1305 R 1 0 08 14 00 3C274 11 24 28 63.6 141.2 -1.1 -32.1 104 1 1 0 08 36 00 --- 11 46 31 66.1 152.5 -0.7 -23.1 1320 F 2 4400 08 36 00 3C274 11 46 31 66.1 152.5 -0.7 -23.1 -15 1 1 4400 08 58 00 --- 12 08 35 67.7 165.6 -0.4 -12.2 1305 F 2 8800 08 58 00 3C273B 12 08 35 57.6 170.4 -0.3 -7.9 -45 1 1 8800 09 03 00 --- 12 13 36 57.8 172.8 -0.3 -6.0 255 F 2 9800 09 03 00 3C274 12 13 36 68.0 168.8 -0.3 -9.5 -46 1 1 9800 09 20 00 --- 12 30 38 68.3 180.0 0.0 0.0 974 F 2 13200 09 20 00 3C274 12 30 38 68.3 180.0 0.0 0.0 -15 1 1 13200 09 42 00 --- 12 52 42 67.8 194.3 0.4 12.1 1305 F 2 17600 Schedule for VLA1 (Code Y ) 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 52 42 73.2 104.5 -1.2 -65.8 -150 1 2 17600 09 47 00 --- 12 57 43 74.2 106.1 -1.2 -64.8 150 R 2 16600 09 49 00 3C274 12 59 43 67.3 198.7 0.5 15.8 -34 1 2 16600 10 06 00 --- 13 16 46 65.9 208.6 0.8 23.9 986 R 2 13200 10 08 00 3C274 13 18 46 65.7 209.6 0.8 24.8 103 1 2 13200 10 30 00 --- 13 40 50 63.1 220.5 1.2 33.5 1320 R 2 8800 10 30 00 3C274 13 40 50 63.1 220.5 1.2 33.5 -15 1 2 8800 10 52 00 --- 14 02 53 59.9 229.6 1.5 40.2 1305 R 2 4400 10 54 00 3C274 14 04 54 59.5 230.3 1.6 40.7 104 1 2 4400 11 16 00 --- 14 26 57 55.8 237.7 1.9 45.8 1320 R 2 0 11 16 00 3C274 14 26 57 55.8 237.7 1.9 45.8 -15 1 3 0 11 38 00 --- 14 49 01 51.8 243.8 2.3 49.6 1305 F 1 4400 11 38 00 OQ208 14 49 01 79.4 240.9 0.7 55.4 -98 1 3 4400 11 43 00 --- 14 54 02 78.5 244.0 0.8 57.9 202 F 1 5400 11 43 00 3C274 14 54 02 50.9 245.1 2.4 50.3 -98 1 3 5400 12 00 00 --- 15 11 05 47.7 249.1 2.7 52.4 922 F 1 8800 12 00 00 3C274 15 11 05 47.7 249.1 2.7 52.4 -15 1 3 8800 12 22 00 --- 15 33 08 43.3 253.6 3.0 54.5 1305 F 1 13200 12 22 00 3C274 15 33 08 43.3 253.6 3.0 54.5 -15 1 3 13200 12 44 00 --- 15 55 12 38.9 257.7 3.4 56.0 1305 F 1 17600 12 44 00 3C274 15 55 12 38.9 257.7 3.4 56.0 -15 1 4 17600 13 00 00 --- 16 11 15 35.6 260.4 3.7 56.8 945 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 --- WARNING --- This group does not match an entry in the frequency catalog. Be very sure that it is correct. Setup group: 2 Station: VLA1 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= 789.90 789.90 1039.90 1039.90 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC fr= 623.09 623.09 623.09 623.09 Bandwd= 4.00 4.00 4.00 4.00 BBC = 1 2 3 4 BBC SB= U U U U IF = A C B D Track assignments are: track1= 2, 10, 18, 26 track2= 3, 11, 19, 27 VLA specific information: (LO and FI cards will be written.) VLABAND: VL VLABW: 0000 FEFILTER: 0000 VLAFEAB: -3.20 VLAFECD: -3.20 VLAIF: SYSLIF VLASYNA: 3589.90 VLASYNB: 3839.90 VLAROT: VLBLROT FLUKEA: 100.00 FLUKEB: 200.00 FLUKESET: 0 Details for VLA IFs: LO Sum Frequency span VLBI FIRSTLO VLA IF A: 1389.9000 1389.9000- 1439.9000 789.9000 VLA IF B: 1639.9000 1639.9000- 1689.9000 1039.9000 VLA IF C: 1389.9000 1389.9000- 1439.9000 789.9000 VLA IF D: 1639.9000 1639.9000- 1689.9000 1039.9000 Normal patch: VLA IF A -> VLB IF A for VLA27 VLA IF A -> VLB IF B for VLA1 VLA IF D -> VLB IF C for VLA27 VLA IF D -> VLB IF D for VLA1 --- WARNING --- Special patch required. Contact VLA. 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