COVER INFORMATION Station: GBT_VLBA (Code Gb ) Experiment: Third Source in Grav. Lens B2319+051 / Boyce, Winn & Myers Exp. Code: BB234 Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Edward R. Boyce Address: Jodrell Bank Observatory Macclesfield Cheshire SK11 9DL United Kingdom Phone: +44-1477-572629 (w) / +44-1625-890362 (h) EMAIL: eboyce@jb.man.ac.uk Fax: +44-1477-571618 Phone during observation: +44-1477-572629 (w) Observing mode: 512-8-2 Notes: HSA with Y27,GBT,AR Target: B2319+051 VLA phase-up: J2257+077 (0.4 Jy) and J2330+1100 (1.0 Jy) Fringe Finder: J2253+1608 (10.0 Jy) Schedule for GBT_VLBA (Code Gb ) Page 2 Third Source in Grav. Lens B2319+051 / Boyce, Winn & Myers 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Dec 2006 Day 355 --- Next scan frequencies: 4958.49 4958.49 4974.49 4974.49 4990.49 4990.49 5006.49 5006.49 Next BBC frequencies: 641.51 641.51 625.51 625.51 609.51 609.51 593.51 593.51 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 18 55 30 B2319+051 19 36 57 29.5 108.0 -3.8 -48.5 0 1 1 0 18 55 30 19 08 00 --- 19 49 29 31.8 110.4 -3.5 -47.5 750 F 1 48 18 55 48 19 11 00 B2319+051 19 52 30 32.4 111.0 -3.5 -47.3 153 1 1 48 19 11 00 19 24 00 --- 20 05 32 34.7 113.7 -3.3 -46.1 780 F 1 99 19 11 18 19 27 00 B2319+051 20 08 32 35.3 114.3 -3.2 -45.8 153 1 1 99 19 27 00 19 40 00 --- 20 21 35 37.6 117.1 -3.0 -44.4 780 F 1 149 19 27 18 19 43 00 B2319+051 20 24 35 38.1 117.8 -3.0 -44.1 153 1 1 149 19 43 00 19 56 00 --- 20 37 37 40.3 120.9 -2.7 -42.5 780 F 1 199 19 43 18 19 59 00 B2319+051 20 40 38 40.8 121.6 -2.7 -42.1 152 1 1 199 19 59 00 20 12 00 --- 20 53 40 43.0 124.9 -2.5 -40.2 780 F 1 250 19 59 18 20 15 00 B2319+051 20 56 40 43.4 125.7 -2.4 -39.7 152 1 1 250 20 15 00 20 28 00 --- 21 09 42 45.5 129.2 -2.2 -37.6 780 F 1 300 20 15 18 20 31 00 B2319+051 21 12 43 45.9 130.1 -2.2 -37.0 152 1 1 300 20 31 00 20 44 00 --- 21 25 45 47.8 133.9 -1.9 -34.5 780 F 1 350 20 31 18 20 47 00 B2319+051 21 28 46 48.2 134.8 -1.9 -33.9 151 1 1 350 20 47 00 20 59 00 --- 21 40 47 49.9 138.7 -1.7 -31.3 720 F 1 397 20 47 18 21 02 00 B2319+051 21 43 48 50.2 139.7 -1.6 -30.6 151 1 1 397 21 02 00 21 14 00 --- 21 55 50 51.7 143.8 -1.4 -27.7 720 F 1 443 21 02 18 21 17 00 B2319+051 21 58 50 52.0 144.9 -1.4 -26.9 151 1 1 443 21 17 00 21 29 00 --- 22 10 52 53.3 149.4 -1.2 -23.6 720 F 1 490 21 17 18 21 33 10 J2253+1608 22 15 03 66.1 156.1 -0.7 -19.3 181 1 1 490 21 33 10 21 37 10 =2251+158 22 19 04 66.4 158.4 -0.6 -17.5 240 F 1 505 21 33 28 21 40 40 B2319+051 22 22 34 54.4 154.0 -1.0 -20.2 144 1 1 505 21 40 40 21 44 00 --- 22 25 55 54.7 155.3 -0.9 -19.2 200 F 1 518 21 40 58 Schedule for GBT_VLBA (Code Gb ) Page 3 Third Source in Grav. Lens B2319+051 / Boyce, Winn & Myers 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Dec 2006 Day 355 --- 21 47 00 B2319+051 22 28 55 54.9 156.6 -0.9 -18.2 150 1 1 518 21 47 00 21 59 00 --- 22 40 57 55.8 161.6 -0.7 -14.4 720 F 1 564 21 47 18 22 02 00 B2319+051 22 43 58 56.0 162.9 -0.6 -13.4 150 1 1 564 22 02 00 22 14 00 --- 22 56 00 56.5 168.2 -0.4 -9.3 720 F 1 611 22 02 18 22 17 00 B2319+051 22 59 00 56.7 169.5 -0.4 -8.2 150 1 1 611 22 17 00 22 29 00 --- 23 11 02 57.0 175.0 -0.2 -4.0 720 F 1 657 22 17 18 22 31 10 J2253+1608 23 13 13 67.4 191.9 0.3 9.7 69 1 1 657 22 31 10 22 35 10 =2251+158 23 17 13 67.2 194.3 0.4 11.6 240 F 1 673 22 31 28 22 38 40 B2319+051 23 20 44 57.1 179.4 0.0 -0.5 150 1 1 673 22 38 40 22 48 30 --- 23 30 35 57.0 183.9 0.1 3.1 590 F 1 711 22 38 58 22 51 30 B2319+051 23 33 36 57.0 185.3 0.2 4.2 150 1 1 711 22 51 30 23 03 30 --- 23 45 38 56.6 190.7 0.4 8.4 720 F 1 757 22 51 48 23 06 30 B2319+051 23 48 38 56.5 192.1 0.4 9.5 150 1 1 757 23 06 30 23 18 30 --- 00 00 40 55.9 197.3 0.6 13.6 720 F 1 804 23 06 48 23 21 30 B2319+051 00 03 41 55.7 198.6 0.7 14.6 150 1 1 804 23 21 30 23 33 30 --- 00 15 43 54.9 203.7 0.9 18.4 720 F 1 850 23 21 48 23 36 30 B2319+051 00 18 43 54.6 204.9 0.9 19.4 150 1 1 850 23 36 30 23 48 30 --- 00 30 45 53.6 209.7 1.1 22.9 720 F 1 897 23 36 48 --- Start: Thu 21 Dec 2006 Day 355 -- Stop: Fri 22 Dec 2006 Day 356 --- 23 51 30 B2319+051 00 33 46 53.3 210.8 1.2 23.8 150 1 1 897 23 51 30 00 03 30 --- 00 45 48 52.0 215.3 1.4 27.0 720 F 1 943 23 51 48 00 06 30 B2319+051 00 48 48 51.6 216.4 1.4 27.8 151 1 1 943 00 06 30 00 18 30 --- 01 00 50 50.2 220.5 1.6 30.7 720 F 1 990 00 06 48 00 21 30 B2319+051 01 03 51 49.8 221.5 1.7 31.4 151 1 1 990 00 21 30 00 33 30 --- 01 15 53 48.2 225.3 1.9 34.0 720 F 1 1036 00 21 48 00 36 30 B2319+051 01 18 53 47.7 226.3 1.9 34.6 151 1 1 1036 00 36 30 00 48 30 --- 01 30 55 46.0 229.8 2.1 37.0 720 F 1 1083 00 36 48 00 51 30 B2319+051 01 33 56 45.5 230.7 2.2 37.5 152 1 1 1083 00 51 30 01 03 30 --- 01 45 58 43.7 234.0 2.4 39.5 720 F 1 1129 00 51 48 Schedule for GBT_VLBA (Code Gb ) Page 4 Third Source in Grav. Lens B2319+051 / Boyce, Winn & Myers 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Fri 22 Dec 2006 Day 356 --- 01 06 30 B2319+051 01 48 58 43.2 234.7 2.4 40.0 152 1 1 1129 01 06 30 01 18 30 --- 02 01 00 41.2 237.8 2.6 41.8 720 F 1 1175 01 06 48 01 21 30 B2319+051 02 04 01 40.7 238.5 2.7 42.2 152 1 1 1175 01 21 30 01 33 30 --- 02 16 03 38.7 241.4 2.9 43.7 720 F 1 1222 01 21 48 01 34 40 J2253+1608 02 17 13 40.5 257.9 3.4 52.9 11 1 1 1222 01 34 40 01 38 40 =2251+158 02 21 13 39.7 258.6 3.4 53.1 240 F 1 1237 01 34 58 01 42 10 B2319+051 02 24 44 37.2 243.4 3.0 44.7 153 1 1 1237 01 42 10 01 48 30 --- 02 31 05 36.1 244.7 3.2 45.4 380 F 1 1262 01 42 28 01 51 30 B2319+051 02 34 06 35.5 245.4 3.2 45.7 153 1 1 1262 01 51 30 02 03 30 --- 02 46 08 33.4 247.9 3.4 46.8 720 F 1 1308 01 51 48 02 06 30 B2319+051 02 49 08 32.8 248.5 3.5 47.1 153 1 1 1308 02 06 30 02 18 30 --- 03 01 10 30.6 250.9 3.7 48.0 720 F 1 1355 02 06 48 02 21 30 B2319+051 03 04 10 30.1 251.5 3.7 48.3 153 1 1 1355 02 21 30 02 33 30 --- 03 16 12 27.8 253.7 3.9 49.1 720 F 1 1401 02 21 48 02 36 30 B2319+051 03 19 13 27.2 254.3 4.0 49.2 153 1 1 1401 02 36 30 02 48 30 --- 03 31 15 25.0 256.4 4.2 49.9 720 F 1 1448 02 36 48 02 51 30 B2319+051 03 34 15 24.4 257.0 4.2 50.1 153 1 1 1448 02 51 30 03 03 30 --- 03 46 17 22.1 259.1 4.4 50.6 720 F 1 1494 02 51 48 03 06 30 B2319+051 03 49 18 21.5 259.6 4.5 50.7 153 1 1 1494 03 06 30 03 18 30 --- 04 01 20 19.2 261.6 4.7 51.1 720 F 1 1541 03 06 48 03 21 30 B2319+051 04 04 20 18.6 262.1 4.7 51.2 153 1 1 1541 03 21 30 03 33 30 --- 04 16 22 16.3 264.0 4.9 51.5 720 F 1 1587 03 21 48 03 36 30 B2319+051 04 19 23 15.7 264.5 5.0 51.6 153 1 1 1587 03 36 30 03 48 30 --- 04 31 25 13.3 266.4 5.2 51.8 720 F 1 1633 03 36 48 03 51 30 B2319+051 04 34 25 12.7 266.9 5.2 51.8 153 1 1 1633 03 51 30 04 03 30 --- 04 46 27 10.4 268.8 5.4 51.9 720 F 1 1680 03 51 48 04 06 30 B2319+051 04 49 28 9.8 269.3 5.5 51.9 153 1 1 1680 04 06 30 04 18 30 --- 05 01 30 7.4 271.1 5.7 51.9 720 F 1 1726 04 06 48 Schedule for GBT_VLBA (Code Gb ) Page 5 Third Source in Grav. Lens B2319+051 / Boyce, Winn & Myers 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Fri 22 Dec 2006 Day 356 --- 04 21 30 B2319+051 05 04 30 6.8 271.6 5.7 51.9 153 1 1 1726 04 21 30 04 30 30 --- 05 13 32 5.1 273.0 5.9 51.8 540 F 1 1761 04 21 48 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: hsa512_6cm Matches group gbt6cm in /home/arana/cwalker/sched/catalogs/freq.dat LO1=7.850, LO2=12.75, LO3=10.5 Setup group: 11 Station: GBT_VLBA Total bit rate: 512 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 5600.00 5600.00 5600.00 5600.00 5600.00 5600.00 5600.00 5600.00 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 = A C A C A C A C The following frequency sets based on this setup were used. Frequency Set: 9 Setup file default. Used pcal sets: 1 LO sum= 4958.49 4958.49 4974.49 4974.49 4990.49 4990.49 5006.49 5006.49 BBC fr= 641.51 641.51 625.51 625.51 609.51 609.51 593.51 593.51 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 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= 510 510 510 510 13510 13510 13510 13510 PCALFR2= 510 510 510 510 13510 13510 13510 13510 Track assignments are: track1= 2, 18, 3, 19, 66, 82, 67, 83 barrel=roll_off SOURCE LIST -- Third Source in Grav. Lens B2319+051 / Boyce, Winn & Myers 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) * B2319+051 23 19 08.097922 * 23 21 40.801500 23 22 01.984607 0.00 05 11 10.01126 * 05 27 37.22520 05 29 56.76249 0.00 From catalog imbedded in main SCHED input file. Proposal 7.459 scan hours, 443.884 baseline hours above horizon. J1331+3030 13 28 49.657756 * 13 31 08.288048 13 31 27.429861 0.37 1328+307 30 45 58.64060 * 30 30 32.95924 30 28 10.15324 0.47 * 3C286 /home/arana/cwalker/sched/catalogs/sources.vlba J1331+30 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.000 scan hours, 0.000 baseline hours above horizon. * J2253+1608 22 51 29.519744 * 22 53 57.747943 22 54 18.028055 0.31 2251+158 15 52 54.34806 * 16 08 53.56089 16 11 11.89186 0.20 3C454.3 /home/arana/cwalker/sched/catalogs/sources.vlba J2253+16 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.200 scan hours, 14.800 baseline hours above horizon. * J2257+0743 22 54 45.978812 * 22 57 17.303121 22 57 38.124741 0.31 2254+074 07 27 08.97028 * 07 43 12.30247 07 45 28.45199 0.22 J2257+07 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.000 scan hours, 0.000 baseline hours above horizon. * J2330+1100 23 28 08.785993 * 23 30 40.852257 23 31 01.949663 0.31 2328+107 10 43 45.52217 * 11 00 18.70990 11 02 41.36998 0.24 J2330+11 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 1.342 scan hours, 65.011 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) B2319+051 83.6 3C286 83.9 J2253+1608 82.1 J2257+0743 79.0 J2330+1100 87.9 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