COVER INFORMATION Station: TORUN (Code Tr ) Experiment: GL026B VLBA format, 18 cm, Arp 220, Colin Lonsdale, November 2002 Exp. Code: GL026B Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Colin Lonsdale Address: MIT Haystack Observatory Off Route 40 Westford, MA 01886 Phone: 508-692-4764 (work) or 603-672-1268 (home) EMAIL: cjl@dopey.haystack.edu Fax: 617-981-0590 Phone during observation: 508-692-4764 (work) or 603-672-1268 (home) Observing mode: 256-8-2 Notes: Primary fringe finder 1613+341 Schedule for TORUN (Code Tr ) Page 2 GL026B VLBA format, 18 cm, Arp 220, Colin Lonsdale, November 2002 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sat 16 Nov 2002 Day 320 --- Next scan frequencies: 1632.99 1632.99 1640.99 1640.99 1648.99 1648.99 1656.99 1656.99 Next BBC frequencies: 667.01 667.01 659.01 659.01 651.01 651.01 643.01 643.01 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 04 30 00 1613+341 09 24 35 20.1 59.4 -6.8 -38.7 0 1 1 0 04 30 00 04 36 00 --- 09 30 36 20.9 60.4 -6.7 -39.2 360 F 1 4800 04 36 00 ARP220 09 30 36 17.9 74.5 -6.1 -39.1 -41 1 1 4800 04 36 00 04 52 00 --- 09 46 39 20.3 77.5 -5.8 -39.7 919 F 1 17600 05 05 00 ARP220 09 59 41 22.2 80.0 -5.6 -40.2 769 1 2 17600 05 05 00 05 27 00 --- 10 21 44 25.5 84.2 -5.2 -40.6 1320 R 1 0 05 40 00 ARP220 10 34 47 27.4 86.7 -5.0 -40.8 769 1 3 0 05 40 00 06 02 00 --- 10 56 50 30.7 91.1 -4.6 -40.9 1320 F 1 17600 06 15 00 ARP220 11 09 52 32.7 93.8 -4.4 -40.8 769 1 4 17600 06 15 00 06 37 00 --- 11 31 56 36.0 98.4 -4.1 -40.4 1320 R 1 0 06 50 00 1613+341 11 44 58 39.9 83.9 -4.5 -46.2 738 1 5 0 06 50 00 06 56 00 --- 11 50 59 40.8 85.0 -4.4 -46.3 360 F 1 4800 06 56 00 ARP220 11 50 59 38.8 102.6 -3.7 -39.7 -50 1 5 4800 06 56 00 07 12 00 --- 12 07 02 41.1 106.4 -3.5 -38.9 910 F 1 17600 07 25 00 ARP220 12 20 04 43.0 109.5 -3.2 -38.1 769 1 6 17600 07 25 00 07 47 00 --- 12 42 07 46.1 115.2 -2.9 -36.3 1320 R 1 0 08 00 00 ARP220 12 55 10 47.8 118.7 -2.7 -35.1 768 1 7 0 08 00 00 08 22 00 --- 13 17 13 50.6 125.1 -2.3 -32.4 1320 F 1 17600 08 35 00 ARP220 13 30 15 52.2 129.2 -2.1 -30.5 767 1 8 17600 08 35 00 08 57 00 --- 13 52 19 54.6 136.7 -1.7 -26.7 1320 R 1 0 09 10 00 1613+341 14 05 21 60.5 116.9 -2.1 -40.4 724 1 9 0 09 10 00 09 16 00 --- 14 11 22 61.3 118.8 -2.0 -39.5 360 F 1 4800 09 16 00 ARP220 14 11 22 56.4 143.7 -1.4 -22.8 -70 1 9 4800 09 16 00 09 32 00 --- 14 27 25 57.7 150.0 -1.1 -19.1 890 F 1 17600 Schedule for TORUN (Code Tr ) Page 3 GL026B VLBA format, 18 cm, Arp 220, Colin Lonsdale, November 2002 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sat 16 Nov 2002 Day 320 --- 09 45 00 ARP220 14 40 27 58.6 155.4 -0.9 -15.8 763 1 10 17600 09 45 00 10 07 00 --- 15 02 30 59.8 165.1 -0.5 -9.7 1320 R 1 0 10 15 00 ARP220 15 10 32 60.0 168.7 -0.4 -7.4 468 1 11 0 10 15 00 10 37 00 --- 15 32 35 60.4 178.9 0.0 -0.7 1320 F 1 17600 10 45 00 ARP220 15 40 37 60.4 182.6 0.1 1.7 468 1 12 17600 10 45 00 11 07 00 --- 16 02 40 59.9 192.7 0.5 8.3 1320 R 1 0 11 15 00 1613+341 16 10 42 71.1 178.0 -0.1 -1.4 424 1 13 0 11 15 00 11 21 00 --- 16 16 43 71.1 181.9 0.0 1.4 360 F 1 4800 11 21 00 ARP220 16 16 43 59.4 199.0 0.7 12.3 -58 1 13 4800 11 21 00 11 37 00 --- 16 32 45 58.4 205.9 1.0 16.6 902 F 1 17600 11 45 00 ARP220 16 40 47 57.9 209.2 1.1 18.6 469 1 14 17600 11 45 00 12 07 00 --- 17 02 50 56.1 217.9 1.5 23.7 1320 R 1 0 ----------- Tape Change ------------ 12 30 00 1613+341 17 25 54 67.2 221.3 1.2 28.6 1325 1 1 0 12 30 00 12 36 00 --- 17 31 55 66.6 224.1 1.3 30.3 360 F 1 4800 12 36 00 ARP220 17 31 55 53.1 228.2 1.9 29.2 -67 1 1 4800 12 36 00 12 52 00 --- 17 47 58 51.2 233.3 2.2 31.7 893 F 1 17600 13 00 00 1613+341 17 55 59 63.8 234.0 1.7 36.0 417 1 2 17600 13 00 00 13 03 00 --- 17 58 59 63.5 235.2 1.8 36.6 180 R 1 15200 13 03 00 ARP220 17 58 59 49.9 236.7 2.4 33.2 -67 1 2 15200 13 03 00 13 22 00 --- 18 18 03 47.4 242.2 2.7 35.4 1073 R 1 0 13 23 00 ARP220 18 19 03 47.3 242.4 2.7 35.5 57 1 3 0 13 23 00 13 45 00 --- 18 41 06 44.2 248.3 3.1 37.5 1320 F 1 17600 13 47 00 ARP220 18 43 07 44.0 248.8 3.1 37.6 117 1 4 17600 13 47 00 14 09 00 --- 19 05 10 40.8 254.1 3.5 39.0 1320 R 1 0 14 11 00 ARP220 19 07 11 40.5 254.6 3.5 39.1 117 1 5 0 14 11 00 14 33 00 --- 19 29 14 37.3 259.6 3.9 40.1 1320 F 1 17600 14 40 00 1516+193 19 36 15 30.5 262.0 4.3 39.1 386 1 6 17600 14 40 00 14 43 00 --- 19 39 16 30.1 262.6 4.4 39.2 180 R 1 15200 Schedule for TORUN (Code Tr ) Page 4 GL026B VLBA format, 18 cm, Arp 220, Colin Lonsdale, November 2002 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sat 16 Nov 2002 Day 320 --- 14 43 00 ARP220 19 39 16 35.8 261.8 4.1 40.4 -29 1 6 15200 14 43 00 15 02 00 --- 19 58 19 33.0 265.8 4.4 40.8 1111 R 1 0 15 05 00 ARP220 20 01 19 32.5 266.5 4.4 40.8 176 1 7 0 15 05 00 15 27 00 --- 20 23 23 29.2 270.9 4.8 40.9 1320 F 1 17600 15 30 00 ARP220 20 26 24 28.8 271.5 4.9 40.9 176 1 8 17600 15 30 00 15 52 00 --- 20 48 27 25.5 275.8 5.2 40.6 1320 R 1 0 15 55 00 ARP220 20 51 28 25.0 276.4 5.3 40.6 176 1 9 0 15 55 00 16 17 00 --- 21 13 31 21.7 280.6 5.6 40.1 1320 F 1 17600 16 20 00 1516+193 21 16 32 15.6 281.9 6.0 38.6 148 1 10 17600 16 20 00 16 26 00 --- 21 22 33 14.7 283.1 6.1 38.4 360 R 1 12800 16 26 00 ARP220 21 22 33 20.4 282.3 5.8 39.8 -29 1 10 12800 16 26 00 16 42 00 --- 21 38 35 18.1 285.3 6.1 39.2 931 R 1 0 16 45 00 ARP220 21 41 36 17.6 285.9 6.1 39.0 176 1 11 0 16 45 00 17 07 00 --- 22 03 39 14.5 290.0 6.5 38.0 1320 F 1 17600 17 10 00 ARP220 22 06 40 14.1 290.5 6.5 37.8 176 1 12 17600 17 10 00 17 32 00 --- 22 28 44 11.0 294.7 6.9 36.5 1320 R 1 0 17 35 00 1613+341 22 31 44 24.2 295.3 6.3 41.0 114 1 13 0 17 35 00 17 38 00 --- 22 34 45 23.8 295.8 6.3 40.8 180 F 1 2400 17 38 00 ARP220 22 34 45 10.2 295.8 7.0 36.1 -67 1 13 2400 17 38 00 17 57 00 --- 22 53 48 7.7 299.4 7.3 34.8 1073 F 1 17600 18 00 00 ARP220 22 56 48 7.3 300.0 7.4 34.6 176 1 14 17600 18 00 00 18 22 00 --- 23 18 52 4.5 304.2 7.7 32.8 1320 R 1 0 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: arp220.set Matches group tr18cm in /usr/local/vlbi_sched/catalogs/freq.dat E-mail Borkowski 12Mar98, preferred alternative Setup group: 5 Station: TORUN Total bit rate: 256 Format: MKIV1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 270.000 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = C A C A C A C A The following frequency sets based on this setup were used. Frequency Set: 5 Setup file default. Used pcal sets: 1 LO sum= 1632.99 1632.99 1640.99 1640.99 1648.99 1648.99 1656.99 1656.99 BBC fr= 667.01 667.01 659.01 659.01 651.01 651.01 643.01 643.01 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 10 10 10 10 6010 6010 6010 6010 PCALFR2= 10 10 10 10 6010 6010 6010 6010 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_off SOURCE LIST -- GL026B VLBA format, 18 cm, Arp 220, Colin Lonsdale, November 2002 Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Source Source position (RA/Dec) (B1950) (J2000) (Date) * ARP220 15 32 46.880196 * 15 34 57.224670 15 35 02.406600 23 40 07.99276 * 23 30 11.56400 23 29 43.00602 From catalog imbedded in main SCHED input file. * 1516+193 15 14 40.987286 * 15 16 56.797600 15 17 02.300133 19 43 10.96935 * 19 32 13.01900 19 31 41.16431 From catalog imbedded in main SCHED input file. * 1613+341 16 11 47.914510 * 16 13 41.064500 16 13 45.236673 34 20 19.83496 * 34 12 47.91000 34 12 27.67864 From catalog imbedded in main SCHED input file. * 3C286 13 28 49.657708 * 13 31 08.288000 13 31 14.112421 30 45 58.64136 * 30 30 32.96000 30 29 43.43295 From catalog imbedded in main SCHED input file. The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) ARP220 42.3 1516+193 38.4 1613+341 54.2 3C286 56.6 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg