COVER INFORMATION Station: WSTRBORK (Code Wb ) 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 WSTRBORK (Code Wb ) 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 16 10 00 ARP220 09 36 16 18.7 75.5 -6.0 0.0 0 1 1 0 16 10 00 16 32 00 --- 09 58 19 21.9 79.6 -5.6 0.0 1320 F 1 43 16 10 04 16 45 00 ARP220 10 11 21 23.9 82.1 -5.4 0.0 756 1 1 43 16 45 00 17 07 00 --- 10 33 25 27.2 86.4 -5.0 0.0 1320 F 1 85 16 45 04 17 20 00 1613+341 10 46 27 31.3 73.3 -5.5 0.0 731 1 1 85 17 20 00 17 26 00 --- 10 52 28 32.1 74.3 -5.4 0.0 360 F 1 97 17 20 04 17 26 00 ARP220 10 52 28 30.0 90.1 -4.7 0.0 -49 1 1 97 17 26 00 17 42 00 --- 11 08 31 32.5 93.4 -4.4 0.0 911 F 1 128 17 26 04 18 01 00 ARP220 11 27 34 35.3 97.3 -4.1 0.0 1111 1 1 128 18 01 00 18 23 00 --- 11 49 37 38.6 102.2 -3.8 0.0 1320 F 1 170 18 01 04 18 30 00 ARP220 11 56 39 39.6 103.7 -3.6 0.0 401 1 1 170 18 30 00 18 52 00 --- 12 18 42 42.8 109.0 -3.3 0.0 1320 F 1 213 18 30 04 19 05 00 ARP220 12 31 44 44.7 112.2 -3.1 0.0 756 1 1 213 19 05 00 19 27 00 --- 12 53 48 47.7 118.1 -2.7 0.0 1320 F 1 255 19 05 04 19 40 00 1613+341 13 06 50 52.2 100.6 -3.1 0.0 731 1 1 255 19 40 00 19 46 00 --- 13 12 51 53.1 102.0 -3.0 0.0 360 F 1 267 19 40 04 19 46 00 ARP220 13 12 51 50.1 123.6 -2.4 0.0 -49 1 1 267 19 46 00 20 02 00 --- 13 28 54 52.1 128.6 -2.1 0.0 911 F 1 298 19 46 04 20 15 00 ARP220 13 41 56 53.6 132.9 -1.9 0.0 756 1 1 298 20 15 00 20 37 00 --- 14 03 59 55.9 140.7 -1.5 0.0 1320 F 1 341 20 15 04 20 45 00 ARP220 14 12 01 56.6 143.7 -1.4 0.0 460 1 1 341 20 45 00 21 07 00 --- 14 34 04 58.4 152.5 -1.0 0.0 1320 F 1 383 20 45 04 21 15 00 ARP220 14 42 06 58.9 155.9 -0.9 0.0 460 1 1 383 21 15 00 21 37 00 --- 15 04 09 60.0 165.6 -0.5 0.0 1320 F 1 426 21 15 04 Schedule for WSTRBORK (Code Wb ) 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 --- 21 45 00 1613+341 15 12 11 68.3 143.4 -1.0 0.0 431 1 1 426 21 45 00 21 51 00 --- 15 18 12 68.8 146.5 -0.9 0.0 360 F 1 437 21 45 04 21 51 00 ARP220 15 18 12 60.4 172.1 -0.3 0.0 -49 1 1 437 21 51 00 22 07 00 --- 15 34 14 60.6 179.5 0.0 0.0 911 F 1 468 21 51 04 22 15 00 ARP220 15 42 16 60.5 183.3 0.1 0.0 460 1 1 468 22 15 00 22 37 00 --- 16 04 19 60.1 193.4 0.5 0.0 1320 F 1 511 22 15 04 23 00 00 1613+341 16 27 23 71.1 188.6 0.2 0.0 1331 1 1 511 23 00 00 23 06 00 --- 16 33 24 71.0 192.4 0.3 0.0 360 F 1 523 23 00 04 23 06 00 ARP220 16 33 24 58.6 206.2 1.0 0.0 -49 1 1 523 23 06 00 23 22 00 --- 16 49 27 57.4 212.8 1.2 0.0 911 F 1 554 23 06 04 23 26 00 ARP220 16 53 27 57.0 214.3 1.3 0.0 224 1 1 554 23 26 00 23 48 00 --- 17 15 31 55.0 222.6 1.7 0.0 1320 F 1 596 23 26 04 --- Wed 7 Jun 2006 Day 158 --- 00 01 00 1613+341 17 28 33 67.1 222.7 1.2 0.0 731 1 1 596 00 01 00 00 04 00 --- 17 31 33 66.7 224.1 1.3 0.0 180 F 1 602 00 01 04 00 04 00 ARP220 17 31 33 53.2 228.1 1.9 0.0 -49 1 1 602 00 04 00 00 23 00 --- 17 50 37 51.0 234.3 2.3 0.0 1091 F 1 639 00 04 04 00 25 00 ARP220 17 52 37 50.8 234.9 2.3 0.0 106 1 1 639 00 25 00 00 47 00 --- 18 14 41 47.9 241.3 2.7 0.0 1320 F 1 681 00 25 04 00 49 00 ARP220 18 16 41 47.7 241.9 2.7 0.0 106 1 1 681 00 49 00 01 11 00 --- 18 38 44 44.7 247.8 3.1 0.0 1320 F 1 724 00 49 04 01 13 00 ARP220 18 40 45 44.4 248.3 3.1 0.0 106 1 1 724 01 13 00 01 35 00 --- 19 02 48 41.2 253.7 3.5 0.0 1320 F 1 766 01 13 04 01 37 00 1516+193 19 04 49 35.2 255.1 3.8 0.0 90 1 1 766 01 37 00 01 40 00 --- 19 07 49 34.8 255.8 3.8 0.0 180 F 1 772 01 37 04 01 40 00 ARP220 19 07 49 40.5 254.9 3.5 0.0 -28 1 1 772 01 40 00 01 59 00 --- 19 26 52 37.7 259.2 3.9 0.0 1112 F 1 809 01 40 04 02 03 00 ARP220 19 30 53 37.1 260.1 3.9 0.0 224 1 1 809 02 03 00 02 25 00 --- 19 52 57 33.8 264.8 4.3 0.0 1320 F 1 852 02 03 04 Schedule for WSTRBORK (Code Wb ) 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 --- 02 28 00 ARP220 19 55 57 33.4 265.4 4.3 0.0 165 1 1 852 02 28 00 02 50 00 --- 20 18 01 30.0 269.9 4.7 0.0 1320 F 1 894 02 28 04 02 52 00 ARP220 20 20 01 29.7 270.3 4.7 0.0 106 1 1 894 02 52 00 03 14 00 --- 20 42 05 26.4 274.6 5.1 0.0 1320 F 1 937 02 52 04 03 17 00 1516+193 20 45 05 20.2 275.9 5.5 0.0 149 1 1 937 03 17 00 03 27 00 --- 20 55 07 18.7 277.8 5.6 0.0 600 F 1 956 03 17 04 03 27 00 ARP220 20 55 07 24.5 277.1 5.3 0.0 -28 1 1 956 03 27 00 03 39 00 --- 21 07 09 22.7 279.4 5.5 0.0 692 F 1 979 03 27 04 03 42 00 ARP220 21 10 09 22.2 280.0 5.6 0.0 165 1 1 979 03 42 00 04 04 00 --- 21 32 13 19.0 284.1 5.9 0.0 1320 F 1 1022 03 42 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 wb18cm in /usr/local/vlbi_sched/catalogs/freq.dat E-mail Foley 22Jan97 MFFE, must be using Low patch Setup group: 6 Station: WSTRBORK 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: 6 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