COVER INFORMATION Station: JODRELL1 (Code Jb ) Experiment: GD021 format, 18 cm, Arp 220, Phil Diamond, June 2006 Exp. Code: GD021A Schedule Version: 1.00 Processed by SCHED version: 6.04 March 2006 PI: Phil Diamond Address: MERLIN/VLBI National Facility Jodrell Bank, Macclesfield Cheshire, SK11 9DL England Phone: (+44) (0)1477 572625 EMAIL: pdiamond@jb.man.ac.uk Fax: (+44) (0)1477 571618 Phone during observation: (+44) (0)1477 572625 Observing mode: 256-8-2 Notes: Primary fringe finder 1613+341 Schedule for JODRELL1 (Code Jb ) Page 2 GD021 format, 18 cm, Arp 220, Phil Diamond, June 2006 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 6 Jun 2006 Day 157 --- Next scan frequencies: 1633.99 1633.99 1641.99 1641.99 1649.99 1649.99 1657.99 1657.99 Next BBC frequencies: 123.99 123.99 131.99 131.99 139.99 139.99 147.99 147.99 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 15 00 00 1613+341 07 50 18 9.2 42.7 -8.4 -29.4 0 1 1 0 15 00 00 15 06 00 --- 07 56 19 9.8 43.8 -8.3 -30.1 360 F 1 12 15 00 04 15 06 00 ARP220 07 56 19 5.1 56.8 -7.6 -33.1 -71 1 1 12 15 06 00 15 22 00 --- 08 12 22 7.2 59.8 -7.4 -34.3 889 F 1 43 15 06 04 15 35 00 ARP220 08 25 24 8.9 62.3 -7.2 -35.3 750 1 1 43 15 35 00 15 57 00 --- 08 47 27 11.9 66.5 -6.8 -36.7 1320 F 1 85 15 35 04 16 10 00 ARP220 09 00 30 13.7 68.9 -6.6 -37.5 751 1 1 85 16 10 00 16 32 00 --- 09 22 33 16.8 73.0 -6.2 -38.6 1320 F 1 128 16 10 04 16 45 00 ARP220 09 35 35 18.7 75.5 -6.0 -39.2 751 1 1 128 16 45 00 17 07 00 --- 09 57 39 21.9 79.6 -5.6 -39.9 1320 F 1 170 16 45 04 17 20 00 1613+341 10 10 41 26.3 67.3 -6.1 -41.9 711 1 1 170 17 20 00 17 26 00 --- 10 16 42 27.1 68.3 -6.0 -42.3 360 F 1 182 17 20 04 17 26 00 ARP220 10 16 42 24.7 83.3 -5.3 -40.4 -79 1 1 182 17 26 00 17 42 00 --- 10 32 45 27.1 86.4 -5.0 -40.6 881 F 1 213 17 26 04 18 01 00 ARP220 10 51 48 29.9 90.2 -4.7 -40.7 1105 1 1 213 18 01 00 18 23 00 --- 11 13 51 33.2 94.7 -4.4 -40.6 1320 F 1 255 18 01 04 18 30 00 ARP220 11 20 53 34.3 96.1 -4.2 -40.5 395 1 1 255 18 30 00 18 52 00 --- 11 42 56 37.5 100.9 -3.9 -39.8 1320 F 1 298 18 30 04 19 05 00 ARP220 11 55 58 39.5 103.9 -3.7 -39.3 749 1 1 298 19 05 00 19 27 00 --- 12 18 02 42.6 109.1 -3.3 -38.1 1320 F 1 341 19 05 04 19 40 00 1613+341 12 31 04 46.8 93.1 -3.7 -46.3 696 1 1 341 19 40 00 19 46 00 --- 12 37 05 47.7 94.4 -3.6 -46.2 360 F 1 352 19 40 04 19 46 00 ARP220 12 37 05 45.3 113.9 -3.0 -36.6 -98 1 1 352 19 46 00 20 02 00 --- 12 53 08 47.4 118.2 -2.7 -35.1 862 F 1 383 19 46 04 Schedule for JODRELL1 (Code Jb ) Page 3 GD021 format, 18 cm, Arp 220, Phil Diamond, June 2006 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 6 Jun 2006 Day 157 --- 20 15 00 ARP220 13 06 10 49.1 121.9 -2.5 -33.6 746 1 1 383 20 15 00 20 37 00 --- 13 28 13 51.8 128.7 -2.1 -30.6 1320 F 1 426 20 15 04 20 45 00 ARP220 13 36 15 52.7 131.3 -2.0 -29.4 450 1 1 426 20 45 00 21 07 00 --- 13 58 18 55.1 138.9 -1.6 -25.4 1320 F 1 468 20 45 04 21 15 00 ARP220 14 06 20 55.8 141.8 -1.5 -23.8 449 1 1 468 21 15 00 21 37 00 --- 14 28 23 57.7 150.4 -1.1 -18.8 1320 F 1 511 21 15 04 21 45 00 1613+341 14 36 25 64.3 128.0 -1.6 -34.7 371 1 1 511 21 45 00 21 51 00 --- 14 42 26 65.0 130.4 -1.5 -33.4 360 F 1 523 21 45 04 21 51 00 ARP220 14 42 26 58.6 156.3 -0.9 -15.2 -123 1 1 523 21 51 00 22 07 00 --- 14 58 28 59.4 163.2 -0.6 -10.8 837 F 1 554 21 51 04 22 15 00 ARP220 15 06 30 59.7 166.8 -0.5 -8.6 446 1 1 554 22 15 00 22 37 00 --- 15 28 33 60.2 176.9 -0.1 -2.0 1320 F 1 596 22 15 04 23 00 00 1613+341 15 51 37 70.6 166.0 -0.4 -10.1 1301 1 1 596 23 00 00 23 06 00 --- 15 57 38 70.7 169.7 -0.3 -7.4 360 F 1 608 23 00 04 23 06 00 ARP220 15 57 38 59.9 190.3 0.4 6.7 -102 1 1 608 23 06 00 23 22 00 --- 16 13 41 59.4 197.5 0.6 11.3 858 F 1 639 23 06 04 23 26 00 ARP220 16 17 41 59.2 199.2 0.7 12.4 214 1 1 639 23 26 00 23 48 00 --- 16 39 45 57.8 208.6 1.1 18.2 1320 F 1 681 23 26 04 --- Wed 7 Jun 2006 Day 158 --- 00 01 00 1613+341 16 52 47 69.8 203.8 0.6 17.0 691 1 1 681 00 01 00 00 04 00 --- 16 55 47 69.6 205.5 0.7 18.1 180 F 1 687 00 01 04 00 04 00 ARP220 16 55 47 56.6 215.0 1.3 22.0 -95 1 1 687 00 04 00 00 23 00 --- 17 14 51 54.8 222.1 1.7 25.9 1045 F 1 724 00 04 04 00 25 00 ARP220 17 16 51 54.6 222.8 1.7 26.3 100 1 1 724 00 25 00 00 47 00 --- 17 38 54 52.2 230.2 2.1 30.1 1320 F 1 766 00 25 04 00 49 00 ARP220 17 40 55 52.0 230.9 2.1 30.4 100 1 1 766 00 49 00 01 11 00 --- 18 02 58 49.3 237.7 2.5 33.5 1320 F 1 809 00 49 04 01 13 00 ARP220 18 04 59 49.0 238.2 2.5 33.7 101 1 1 809 01 13 00 01 35 00 --- 18 27 02 46.1 244.4 2.9 36.0 1320 F 1 852 01 13 04 Schedule for JODRELL1 (Code Jb ) Page 4 GD021 format, 18 cm, Arp 220, Phil Diamond, June 2006 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 7 Jun 2006 Day 158 --- 01 37 00 1516+193 18 29 03 40.2 246.4 3.2 35.6 67 1 1 852 01 37 00 01 40 00 --- 18 32 03 39.8 247.1 3.2 35.8 180 F 1 857 01 37 04 01 40 00 ARP220 18 32 03 45.5 245.7 2.9 36.5 -51 1 1 857 01 40 00 01 59 00 --- 18 51 06 42.8 250.6 3.3 38.0 1089 F 1 894 01 40 04 02 03 00 ARP220 18 55 07 42.2 251.6 3.3 38.2 218 1 1 894 02 03 00 02 25 00 --- 19 17 11 39.1 256.8 3.7 39.4 1320 F 1 937 02 03 04 02 28 00 ARP220 19 20 11 38.6 257.4 3.7 39.6 160 1 1 937 02 28 00 02 50 00 --- 19 42 15 35.4 262.3 4.1 40.3 1320 F 1 979 02 28 04 02 52 00 ARP220 19 44 15 35.1 262.7 4.1 40.3 102 1 1 979 02 52 00 03 14 00 --- 20 06 19 31.8 267.3 4.5 40.7 1320 F 1 1022 02 52 04 03 17 00 1516+193 20 09 19 25.6 268.7 4.9 39.4 126 1 1 1022 03 17 00 03 27 00 --- 20 19 21 24.1 270.7 5.0 39.4 600 F 1 1041 03 17 04 03 27 00 ARP220 20 19 21 29.8 270.0 4.7 40.7 -52 1 1 1041 03 27 00 03 39 00 --- 20 31 23 28.0 272.4 4.9 40.7 668 F 1 1064 03 27 04 03 42 00 ARP220 20 34 23 27.6 272.9 5.0 40.7 160 1 1 1064 03 42 00 04 04 00 --- 20 56 27 24.3 277.2 5.4 40.3 1320 F 1 1107 03 42 04 04 07 00 ARP220 20 59 27 23.9 277.8 5.4 40.3 161 1 1 1107 04 07 00 04 26 00 --- 21 18 30 21.1 281.4 5.7 39.8 1140 F 1 1144 04 07 04 04 26 00 1613+341 21 18 30 34.7 282.5 5.1 45.0 -99 1 1 1144 04 26 00 04 29 00 --- 21 21 31 34.2 283.0 5.1 44.8 81 F 1 1150 04 26 04 04 30 00 1516+193 21 22 31 14.8 283.0 6.1 38.2 -74 1 1 1150 04 30 00 04 35 00 --- 21 27 32 14.0 283.9 6.2 38.0 226 F 1 1159 04 30 04 04 35 00 ARP220 21 27 32 19.7 283.1 5.9 39.5 -52 1 1 1159 04 35 00 04 52 00 --- 21 44 35 17.3 286.3 6.2 38.8 968 F 1 1192 04 35 04 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 j1b18cm in /usr/local/vlbi_sched/catalogs/freq.dat LO from Parry 23Jan97, must be using Low patch Setup group: 2 Station: JODRELL1 Total bit rate: 256 Format: MKIV1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 4 3 6 5 8 7 BBC SB= U U U U U U U U IF = 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 2 Setup file default. No pcal detection. LO sum= 1633.99 1633.99 1641.99 1641.99 1649.99 1649.99 1657.99 1657.99 BBC fr= 123.99 123.99 131.99 131.99 139.99 139.99 147.99 147.99 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_off SOURCE LIST -- GD021 format, 18 cm, Arp 220, Phil Diamond, June 2006 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). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * ARP220 15 32 46.905485 * 15 34 57.250000 15 35 15.454050 0.00 23 40 07.75728 * 23 30 11.33000 23 28 49.59553 0.00 From catalog imbedded in main SCHED input file. 16.033 scan hours, 699.690 baseline hours above horizon. * 1516+193 15 14 40.987286 * 15 16 56.797600 15 17 15.605042 0.00 19 43 10.96935 * 19 32 13.01900 19 30 43.73756 0.00 From catalog imbedded in main SCHED input file. 0.300 scan hours, 30.267 baseline hours above horizon. * 1613+341 16 11 47.914510 * 16 13 41.064500 16 13 57.321137 0.00 34 20 19.83496 * 34 12 47.91000 34 11 43.55505 0.00 From catalog imbedded in main SCHED input file. 0.983 scan hours, 27.604 baseline hours above horizon. 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 129.4 1516+193 130.9 1613+341 122.0 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