COVER INFORMATION Station: MEDICINA (Code Mc ) 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 MEDICINA (Code Mc ) 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: 338.99 338.99 346.99 346.99 354.99 354.99 362.99 362.99 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 15 00 00 1613+341 08 46 07 10.0 411.2 -7.5 -42.2 0 1 1 0 15 00 00 15 06 00 --- 08 52 08 10.8 412.1 -7.4 -42.9 360 F 1 12 15 00 04 15 06 00 ARP220 08 52 08 9.0 425.8 -6.7 -45.2 -22 1 1 12 15 06 00 15 22 00 --- 09 08 11 11.7 428.4 -6.5 -46.3 938 F 1 43 15 06 04 15 35 00 ARP220 09 21 13 13.8 430.5 -6.2 -47.1 771 1 1 43 15 35 00 15 57 00 --- 09 43 17 17.6 434.1 -5.9 -48.4 1320 F 1 85 15 35 04 16 10 00 ARP220 09 56 19 19.8 436.2 -5.6 -49.0 771 1 1 85 16 10 00 16 32 00 --- 10 18 22 23.7 439.7 -5.3 -49.9 1320 F 1 128 16 10 04 16 45 00 ARP220 10 31 25 26.0 441.8 -5.1 -50.3 771 1 1 128 16 45 00 17 07 00 --- 10 53 28 29.9 445.4 -4.7 -50.8 1320 F 1 170 16 45 04 17 20 00 1613+341 11 06 30 31.9 431.5 -5.1 -54.9 758 1 1 170 17 20 00 17 26 00 --- 11 12 31 32.9 432.4 -5.0 -55.2 360 F 1 182 17 20 04 17 26 00 ARP220 11 12 31 33.3 448.7 -4.4 -51.0 -26 1 1 182 17 26 00 17 42 00 --- 11 28 34 36.1 451.5 -4.1 -51.0 934 F 1 213 17 26 04 18 01 00 ARP220 11 47 37 39.5 455.0 -3.8 -50.8 1129 1 1 213 18 01 00 18 23 00 --- 12 09 41 43.4 459.3 -3.4 -50.1 1320 F 1 255 18 01 04 18 30 00 ARP220 12 16 42 44.7 460.7 -3.3 -49.8 413 1 1 255 18 30 00 18 52 00 --- 12 38 45 48.5 465.5 -2.9 -48.5 1320 F 1 298 18 30 04 19 05 00 ARP220 12 51 48 50.7 468.6 -2.7 -47.4 771 1 1 298 19 05 00 19 27 00 --- 13 13 51 54.4 474.4 -2.4 -45.1 1320 F 1 341 19 05 04 19 40 00 1613+341 13 26 53 56.5 453.3 -2.8 -59.4 748 1 1 341 19 40 00 19 46 00 --- 13 32 54 57.6 454.5 -2.7 -59.2 360 F 1 352 19 40 04 19 46 00 ARP220 13 32 54 57.4 480.0 -2.0 -42.3 -38 1 1 352 19 46 00 20 02 00 --- 13 48 57 59.8 485.3 -1.8 -39.4 922 F 1 383 19 46 04 Schedule for MEDICINA (Code Mc ) 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 14 01 59 61.6 490.2 -1.6 -36.4 770 1 1 383 20 15 00 20 37 00 --- 14 24 03 64.4 499.5 -1.2 -30.3 1320 F 1 426 20 15 04 20 45 00 ARP220 14 32 04 65.3 503.3 -1.1 -27.7 471 1 1 426 20 45 00 21 07 00 --- 14 54 08 67.3 514.8 -0.7 -19.3 1320 F 1 468 20 45 04 21 15 00 ARP220 15 02 09 67.9 519.5 -0.6 -15.8 470 1 1 468 21 15 00 21 37 00 --- 15 24 13 68.8 533.0 -0.2 -5.5 1320 F 1 511 21 15 04 21 45 00 1613+341 15 32 14 76.9 498.6 -0.7 -34.8 430 1 1 511 21 45 00 21 51 00 --- 15 38 15 77.6 503.3 -0.6 -31.0 360 F 1 523 21 45 04 21 51 00 ARP220 15 38 15 69.0 541.9 0.0 1.5 -55 1 1 523 21 51 00 22 07 00 --- 15 54 18 68.6 552.0 0.3 9.3 905 F 1 554 21 51 04 22 15 00 ARP220 16 02 19 68.2 556.9 0.5 13.1 470 1 1 554 22 15 00 22 37 00 --- 16 24 22 66.7 569.5 0.8 22.5 1320 F 1 596 22 15 04 23 00 00 1613+341 16 47 26 77.8 574.8 0.6 29.5 1353 1 1 596 23 00 00 23 06 00 --- 16 53 27 77.2 579.7 0.7 33.4 360 F 1 608 23 00 04 23 06 00 ARP220 16 53 27 63.6 583.6 1.3 32.4 -32 1 1 608 23 06 00 23 22 00 --- 17 09 30 61.5 590.2 1.6 36.7 928 F 1 639 23 06 04 23 26 00 ARP220 17 13 31 60.9 591.7 1.6 37.6 234 1 1 639 23 26 00 23 48 00 --- 17 35 34 57.7 599.3 2.0 42.0 1320 F 1 681 23 26 04 --- Wed 7 Jun 2006 Day 158 --- 00 01 00 1613+341 17 48 36 69.1 608.5 1.6 53.3 753 1 1 681 00 01 00 00 04 00 --- 17 51 37 68.6 609.6 1.6 53.9 180 F 1 687 00 01 04 00 04 00 ARP220 17 51 37 55.2 604.2 2.3 44.4 -31 1 1 687 00 04 00 00 23 00 --- 18 10 40 52.1 609.4 2.6 46.7 1109 F 1 724 00 04 04 00 25 00 ARP220 18 12 40 51.7 609.9 2.6 46.9 115 1 1 724 00 25 00 00 47 00 --- 18 34 44 48.0 615.1 3.0 48.7 1320 F 1 766 00 25 04 00 49 00 ARP220 18 36 44 47.6 615.6 3.0 48.8 115 1 1 766 00 49 00 01 11 00 --- 18 58 48 43.8 620.3 3.4 50.0 1320 F 1 809 00 49 04 01 13 00 ARP220 19 00 48 43.4 620.7 3.4 50.1 115 1 1 809 01 13 00 01 35 00 --- 19 22 52 39.5 625.0 3.8 50.8 1320 F 1 852 01 13 04 Schedule for MEDICINA (Code Mc ) 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 19 24 52 33.4 625.0 4.1 48.9 103 1 1 852 01 37 00 01 40 00 --- 19 27 53 32.9 625.5 4.2 49.0 180 F 1 857 01 37 04 01 40 00 ARP220 19 27 53 38.6 625.9 3.9 50.8 -16 1 1 857 01 40 00 01 59 00 --- 19 46 56 35.2 629.4 4.2 51.0 1124 F 1 894 01 40 04 02 03 00 ARP220 19 50 56 34.5 630.1 4.3 51.0 234 1 1 894 02 03 00 02 25 00 --- 20 13 00 30.6 633.9 4.6 50.9 1320 F 1 937 02 03 04 02 28 00 ARP220 20 16 00 30.1 634.4 4.7 50.8 174 1 1 937 02 28 00 02 50 00 --- 20 38 04 26.2 638.0 5.0 50.3 1320 F 1 979 02 28 04 02 52 00 ARP220 20 40 04 25.8 638.3 5.1 50.3 115 1 1 979 02 52 00 03 14 00 --- 21 02 08 21.9 641.9 5.4 49.5 1320 F 1 1022 02 52 04 03 17 00 1516+193 21 05 08 15.6 642.2 5.8 47.7 163 1 1 1022 03 17 00 03 27 00 --- 21 15 10 13.9 643.8 6.0 47.3 600 F 1 1041 03 17 04 03 27 00 ARP220 21 15 10 19.7 644.0 5.7 49.0 -16 1 1 1041 03 27 00 03 39 00 --- 21 27 12 17.6 645.9 5.9 48.4 704 F 1 1064 03 27 04 03 42 00 ARP220 21 30 13 17.1 646.4 5.9 48.2 174 1 1 1064 03 42 00 04 04 00 --- 21 52 16 13.3 649.9 6.3 47.0 1320 F 1 1107 03 42 04 04 07 00 ARP220 21 55 17 12.8 650.4 6.3 46.8 174 1 1 1107 04 07 00 04 26 00 --- 22 14 20 9.7 653.5 6.7 45.5 1140 F 1 1144 04 07 04 04 26 00 1613+341 22 14 20 23.1 655.9 6.0 50.8 -32 1 1 1144 04 26 00 04 29 00 --- 22 17 20 22.7 656.3 6.1 50.6 148 F 1 1150 04 26 04 04 35 00 ARP220 22 23 21 8.2 655.0 6.8 44.8 327 1 1 1150 04 35 00 04 52 00 --- 22 40 24 5.5 657.8 7.1 43.4 1020 F 1 1183 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 mc18cm in /usr/local/vlbi_sched/catalogs/freq.dat updated from Maccaferri (CR 2Dec00) Setup group: 3 Station: MEDICINA 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= 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 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: 3 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= 338.99 338.99 346.99 346.99 354.99 354.99 362.99 362.99 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