COVER INFORMATION Station: SHANGHAI (Code Sh ) Experiment: EVN-MERLIN-18CM-0836+710 Exp. Code: EL034B Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Andrei Lobanov Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121 Bonn Germany Phone: +49 228 525 191 EMAIL: alobanov@mpifr-bonn.mpg.de Fax: +49 228 525 229 Phone during observation: Observing mode: Continuum Notes: Schedule for SHANGHAI (Code Sh ) Page 2 EVN-MERLIN-18CM-0836+710 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2008 Day 61 --- Next scan frequencies: 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 Next BBC frequencies: 665.51 665.51 665.51 665.51 649.51 649.51 649.51 649.51 633.51 633.51 633.51 633.51 617.51 617.51 617.51 617.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 13 30 00 0836+710 08 13 41 50.0 3.6 -0.5 -170.4 0 1 1 0 13 30 00 13 40 00 --- 08 23 43 50.1 2.4 -0.3 -173.8 600 F 1 39 13 30 01 13 40 15 0836+710 08 23 58 50.2 2.3 -0.3 -173.9 13 1 1 39 13 40 15 13 50 00 --- 08 33 45 50.2 1.1 -0.1 -177.1 585 F 1 76 13 40 16 13 50 15 0836+710 08 34 00 50.2 1.1 -0.1 -177.2 13 1 1 76 13 50 15 14 00 00 --- 08 43 46 50.2 -0.2 0.0 179.5 585 F 1 114 13 50 16 14 00 15 0836+710 08 44 01 50.2 -0.2 0.0 179.4 13 1 1 114 14 00 15 14 10 00 --- 08 53 48 50.2 -1.5 0.2 176.2 585 F 1 152 14 00 16 14 10 15 0836+710 08 54 03 50.2 -1.5 0.2 176.1 13 1 1 152 14 10 15 14 20 00 --- 09 03 50 50.1 -2.7 0.4 172.8 585 F 1 190 14 10 16 14 21 00 0859+681 09 04 50 53.2 0.0 0.0 180.0 53 1 1 190 14 21 00 14 29 00 --- 09 12 51 53.2 -1.3 0.1 177.1 480 F 1 221 14 21 01 14 29 15 0836+710 09 13 06 50.0 -3.9 0.5 169.7 8 1 1 221 14 29 15 14 39 00 --- 09 22 53 49.8 -5.1 0.7 166.5 585 F 1 258 14 29 16 14 39 15 0836+710 09 23 08 49.8 -5.2 0.7 166.4 13 1 1 258 14 39 15 14 49 00 --- 09 32 54 49.6 -6.4 0.8 163.2 585 F 1 296 14 39 16 14 50 00 0859+681 09 33 55 52.9 -4.5 0.5 169.6 52 1 1 296 14 50 00 14 58 00 --- 09 41 56 52.8 -5.8 0.6 166.8 480 F 1 327 14 50 01 15 03 00 4C39.25 09 46 57 81.2 -25.2 0.3 152.0 251 1 1 327 15 03 00 15 11 00 --- 09 54 58 80.3 -33.4 0.5 142.7 480 F 1 358 15 03 01 15 17 00 0836+710 10 00 59 48.8 -9.6 1.3 154.1 305 1 1 358 15 17 00 15 24 00 --- 10 08 00 48.5 -10.4 1.4 151.8 420 F 1 385 15 17 01 Schedule for SHANGHAI (Code Sh ) Page 3 EVN-MERLIN-18CM-0836+710 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2008 Day 61 --- 15 24 15 0836+710 10 08 15 48.5 -10.4 1.4 151.7 13 1 1 385 15 24 15 15 34 00 --- 10 18 02 48.1 -11.5 1.6 148.7 585 F 1 423 15 24 16 15 35 00 0859+681 10 19 02 51.6 -11.1 1.2 153.9 52 1 1 423 15 35 00 15 43 00 --- 10 27 03 51.3 -12.2 1.4 151.2 480 F 1 454 15 35 01 15 44 00 0836+710 10 28 03 47.7 -12.5 1.8 145.5 52 1 1 454 15 44 00 15 52 00 --- 10 36 05 47.3 -13.3 1.9 143.0 480 F 1 485 15 44 01 15 52 15 0836+710 10 36 20 47.3 -13.3 1.9 143.0 13 1 1 485 15 52 15 16 02 00 --- 10 46 06 46.8 -14.2 2.1 140.0 585 F 1 523 15 52 16 16 03 00 0859+681 10 47 06 50.3 -14.7 1.7 144.6 52 1 1 523 16 03 00 16 11 00 --- 10 55 08 49.8 -15.7 1.8 142.1 480 F 1 554 16 03 01 16 12 00 0836+710 10 56 08 46.2 -15.1 2.2 137.0 52 1 1 554 16 12 00 16 21 00 --- 11 05 09 45.7 -15.9 2.4 134.3 540 F 1 588 16 12 01 16 21 15 0836+710 11 05 24 45.7 -15.9 2.4 134.2 13 1 1 588 16 21 15 16 31 00 --- 11 15 11 45.1 -16.7 2.5 131.4 585 F 1 626 16 21 16 16 32 00 0859+681 11 16 11 48.5 -17.9 2.2 135.5 52 1 1 626 16 32 00 16 40 00 --- 11 24 13 48.0 -18.7 2.3 133.0 480 F 1 657 16 32 01 16 41 00 0836+710 11 25 13 44.5 -17.4 2.7 128.5 52 1 1 657 16 41 00 16 50 00 --- 11 34 14 43.9 -18.1 2.9 125.9 540 F 1 692 16 41 01 16 50 15 0836+710 11 34 29 43.9 -18.1 2.9 125.8 13 1 1 692 16 50 15 17 00 00 --- 11 44 16 43.2 -18.7 3.0 123.1 585 F 1 730 16 50 16 17 01 00 0859+681 11 45 16 46.4 -20.6 2.7 126.8 53 1 1 730 17 01 00 17 09 00 --- 11 53 17 45.8 -21.2 2.8 124.5 480 F 1 761 17 01 01 17 10 00 0836+710 11 54 17 42.5 -19.3 3.2 120.3 52 1 1 761 17 10 00 17 19 00 --- 12 03 19 41.9 -19.8 3.3 117.9 540 F 1 795 17 10 01 17 19 15 0836+710 12 03 34 41.9 -19.8 3.4 117.8 13 1 1 795 17 19 15 17 29 00 --- 12 13 21 41.1 -20.3 3.5 115.2 585 F 1 833 17 19 16 17 30 00 0859+681 12 14 21 44.1 -22.7 3.2 118.5 53 1 1 833 17 30 00 17 38 00 --- 12 22 22 43.5 -23.2 3.3 116.3 480 F 1 864 17 30 01 17 39 00 0836+710 12 23 22 40.4 -20.7 3.7 112.5 53 1 1 864 17 39 00 17 48 00 --- 12 32 24 39.7 -21.1 3.8 110.2 540 F 1 899 17 39 01 Schedule for SHANGHAI (Code Sh ) Page 4 EVN-MERLIN-18CM-0836+710 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2008 Day 61 --- 17 48 15 0836+710 12 32 39 39.7 -21.1 3.8 110.1 13 1 1 899 17 48 15 17 58 00 --- 12 42 25 38.9 -21.4 4.0 107.6 585 F 1 937 17 48 16 17 59 00 0859+681 12 43 26 41.7 -24.2 3.6 110.7 53 1 1 937 17 59 00 18 07 00 --- 12 51 27 40.9 -24.6 3.8 108.7 480 F 1 968 17 59 01 18 08 00 0836+710 12 52 27 38.1 -21.7 4.2 105.0 53 1 1 968 18 08 00 18 17 00 --- 13 01 29 37.4 -21.9 4.3 102.7 540 F 1 1003 18 08 01 18 17 15 0836+710 13 01 44 37.4 -21.9 4.3 102.7 13 1 1 1003 18 17 15 18 27 00 --- 13 11 30 36.6 -22.1 4.5 100.3 585 F 1 1040 18 17 16 18 28 00 0859+681 13 12 30 39.0 -25.3 4.1 103.3 54 1 1 1040 18 28 00 18 36 00 --- 13 20 32 38.3 -25.5 4.3 101.3 480 F 1 1071 18 28 01 18 37 00 0836+710 13 21 32 35.8 -22.3 4.7 97.8 54 1 1 1071 18 37 00 18 46 00 --- 13 30 33 35.1 -22.4 4.8 95.6 540 F 1 1106 18 37 01 18 46 15 0836+710 13 30 48 35.0 -22.4 4.8 95.5 13 1 1 1106 18 46 15 18 56 00 --- 13 40 35 34.2 -22.5 5.0 93.2 585 F 1 1144 18 46 16 18 57 00 0859+681 13 41 35 36.4 -25.9 4.6 96.2 54 1 1 1144 18 57 00 19 05 00 --- 13 49 36 35.6 -26.0 4.7 94.3 480 F 1 1175 18 57 01 19 06 00 0836+710 13 50 37 33.4 -22.5 5.1 90.8 54 1 1 1175 19 06 00 19 15 00 --- 13 59 38 32.7 -22.5 5.3 88.7 540 F 1 1210 19 06 01 19 15 15 0836+710 13 59 53 32.7 -22.5 5.3 88.6 13 1 1 1210 19 15 15 19 25 00 --- 14 09 40 31.9 -22.5 5.5 86.3 585 F 1 1247 19 15 16 19 26 00 0859+681 14 10 40 33.6 -26.0 5.1 89.4 54 1 1 1247 19 26 00 19 34 00 --- 14 18 41 32.9 -26.0 5.2 87.6 480 F 1 1278 19 26 01 19 35 00 0836+710 14 19 41 31.0 -22.4 5.6 84.0 54 1 1 1278 19 35 00 19 44 00 --- 14 28 43 30.3 -22.3 5.8 81.9 540 F 1 1313 19 35 01 19 44 15 0836+710 14 28 58 30.3 -22.3 5.8 81.9 13 1 1 1313 19 44 15 19 54 00 --- 14 38 44 29.5 -22.1 5.9 79.6 585 F 1 1351 19 44 16 19 55 00 0859+681 14 39 45 30.9 -25.8 5.6 82.8 54 1 1 1351 19 55 00 20 03 00 --- 14 47 46 30.2 -25.7 5.7 81.0 480 F 1 1382 19 55 01 20 04 00 0836+710 14 48 46 28.7 -21.9 6.1 77.4 54 1 1 1382 20 04 00 20 13 00 --- 14 57 48 28.0 -21.7 6.3 75.3 540 F 1 1417 20 04 01 Schedule for SHANGHAI (Code Sh ) Page 5 EVN-MERLIN-18CM-0836+710 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2008 Day 61 --- 20 13 15 0836+710 14 58 03 28.0 -21.7 6.3 75.3 13 1 1 1417 20 13 15 20 23 00 --- 15 07 49 27.2 -21.5 6.4 73.1 585 F 1 1454 20 13 16 20 24 00 0859+681 15 08 49 28.2 -25.2 6.1 76.3 54 1 1 1454 20 24 00 20 32 00 --- 15 16 51 27.5 -25.0 6.2 74.6 480 F 1 1485 20 24 01 20 33 00 0836+710 15 17 51 26.4 -21.2 6.6 70.8 54 1 1 1485 20 33 00 20 42 00 --- 15 26 52 25.7 -20.9 6.7 68.8 540 F 1 1520 20 33 01 20 42 15 0836+710 15 27 07 25.7 -20.9 6.7 68.8 13 1 1 1520 20 42 15 20 52 00 --- 15 36 54 24.9 -20.6 6.9 66.6 585 F 1 1558 20 42 16 20 53 00 0859+681 15 37 54 25.6 -24.4 6.6 70.0 54 1 1 1558 20 53 00 21 01 00 --- 15 45 55 24.9 -24.1 6.7 68.3 480 F 1 1589 20 53 01 21 02 00 0836+710 15 46 56 24.2 -20.2 7.1 64.4 54 1 1 1589 21 02 00 21 11 00 --- 15 55 57 23.5 -19.8 7.2 62.4 540 F 1 1624 21 02 01 21 11 15 0836+710 15 56 12 23.5 -19.8 7.2 62.3 13 1 1 1624 21 11 15 21 21 00 --- 16 05 59 22.8 -19.4 7.4 60.2 585 F 1 1662 21 11 16 21 22 00 0859+681 16 06 59 23.1 -23.2 7.0 63.7 54 1 1 1662 21 22 00 21 30 00 --- 16 15 00 22.4 -22.8 7.2 62.0 480 F 1 1692 21 22 01 21 31 00 0836+710 16 16 00 22.1 -18.9 7.6 58.0 54 1 1 1692 21 31 00 21 40 00 --- 16 25 02 21.5 -18.5 7.7 56.0 540 F 1 1727 21 31 01 21 40 15 0836+710 16 25 17 21.5 -18.5 7.7 56.0 13 1 1 1727 21 40 15 21 50 00 --- 16 35 03 20.8 -18.0 7.9 53.8 585 F 1 1765 21 40 16 21 51 00 0859+681 16 36 04 20.7 -21.7 7.5 57.5 54 1 1 1765 21 51 00 21 59 00 --- 16 44 05 20.1 -21.3 7.7 55.8 480 F 1 1796 21 51 01 22 00 00 0836+710 16 45 05 20.2 -17.5 8.0 51.7 54 1 1 1796 22 00 00 22 09 00 --- 16 54 07 19.6 -17.0 8.2 49.7 540 F 1 1831 22 00 01 22 09 15 0836+710 16 54 22 19.6 -17.0 8.2 49.7 13 1 1 1831 22 09 15 22 19 00 --- 17 04 08 19.0 -16.4 8.4 47.5 585 F 1 1869 22 09 16 22 20 00 0859+681 17 05 08 18.5 -20.0 8.0 51.4 54 1 1 1869 22 20 00 22 28 00 --- 17 13 10 17.9 -19.5 8.1 49.7 480 F 1 1900 22 20 01 22 29 00 0836+710 17 14 10 18.4 -15.8 8.5 45.3 54 1 1 1900 22 29 00 22 38 00 --- 17 23 11 17.9 -15.2 8.7 43.4 540 F 1 1934 22 29 01 Schedule for SHANGHAI (Code Sh ) Page 6 EVN-MERLIN-18CM-0836+710 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2008 Day 61 --- 22 38 15 0836+710 17 23 26 17.9 -15.2 8.7 43.3 13 1 1 1934 22 38 15 22 48 00 --- 17 33 13 17.3 -14.6 8.8 41.2 585 F 1 1972 22 38 16 22 56 30 3C345 17 41 44 75.3 -49.8 1.0 121.7 411 1 1 1972 22 56 30 23 05 00 --- 17 50 16 73.9 -52.8 1.1 117.4 510 F 1 2005 22 56 31 23 12 00 0836+710 17 57 17 16.1 -13.0 9.2 36.0 322 1 1 2005 23 12 00 23 20 00 --- 18 05 18 15.7 -12.4 9.4 34.3 480 F 1 2036 23 12 01 23 20 15 0836+710 18 05 33 15.7 -12.4 9.4 34.2 13 1 1 2036 23 20 15 23 30 00 --- 18 15 20 15.3 -11.7 9.6 32.1 585 F 1 2074 23 20 16 23 31 00 0859+681 18 16 20 13.9 -15.0 9.2 36.2 55 1 1 2074 23 31 00 23 40 00 --- 18 25 22 13.4 -14.3 9.3 34.3 540 F 1 2109 23 31 01 23 41 00 0836+710 18 26 22 14.8 -10.9 9.7 29.7 55 1 1 2109 23 41 00 23 50 00 --- 18 35 23 14.4 -10.3 9.9 27.7 540 F 1 2143 23 41 01 23 50 15 0836+710 18 35 38 14.4 -10.2 9.9 27.7 13 1 1 2143 23 50 15 23 59 59 --- 18 45 25 14.1 -9.5 10.1 25.5 584 F 1 2181 23 50 16 --- Sun 2 Mar 2008 Day 62 --- 00 01 00 0859+681 18 46 25 12.3 -12.6 9.7 29.8 55 1 1 2181 00 01 00 00 10 00 --- 18 55 26 11.9 -11.8 9.8 27.9 540 F 1 2216 00 01 01 00 11 00 0836+710 18 56 27 13.7 -8.6 10.2 23.1 55 1 1 2216 00 11 00 00 20 00 --- 19 05 28 13.4 -7.9 10.4 21.2 540 F 1 2251 00 11 01 00 20 15 0836+710 19 05 43 13.4 -7.9 10.4 21.1 13 1 1 2251 00 20 15 00 30 00 --- 19 15 30 13.1 -7.1 10.6 19.0 585 F 1 2289 00 20 16 00 31 00 0859+681 19 16 30 11.1 -10.0 10.2 23.4 55 1 1 2289 00 31 00 00 40 00 --- 19 25 31 10.7 -9.2 10.3 21.4 540 F 1 2323 00 31 01 00 41 00 0836+710 19 26 32 12.9 -6.3 10.7 16.6 54 1 1 2323 00 41 00 00 50 00 --- 19 35 33 12.7 -5.5 10.9 14.6 540 F 1 2358 00 41 01 00 50 15 0836+710 19 35 48 12.7 -5.5 10.9 14.5 13 1 1 2358 00 50 15 01 00 00 --- 19 45 35 12.5 -4.7 11.1 12.4 585 F 1 2396 00 50 16 01 01 00 0859+681 19 46 35 10.1 -7.3 10.7 16.9 54 1 1 2396 01 01 00 01 10 00 --- 19 55 36 9.9 -6.5 10.8 15.0 540 F 1 2431 01 01 01 Schedule for SHANGHAI (Code Sh ) Page 7 EVN-MERLIN-18CM-0836+710 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 ---------------------------------------------------------------------------------------- --- Sun 2 Mar 2008 Day 62 --- 01 11 00 0836+710 19 56 37 12.3 -3.8 11.2 10.0 54 1 1 2431 01 11 00 01 20 00 --- 20 05 38 12.2 -3.1 11.4 8.0 540 F 1 2466 01 11 01 01 20 15 0836+710 20 05 53 12.2 -3.0 11.4 8.0 13 1 1 2466 01 20 15 01 30 00 --- 20 15 40 12.1 -2.2 11.6 5.8 585 F 1 2503 01 20 16 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: el034.18cm Matches group sh18cm in /homes/vlbsoft/sched/catalogs/freq.dat Huang Xinyong 27Sept05 Setup group: 9 Station: SHANGHAI Total bit rate: 512 Format: MKIV1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 Speedup factor: 1.00 Disk used to record data. 1st LO= 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = C A C A C A C A C A C A C A C A The following frequency sets based on this setup were used. Frequency Set: 9 Setup file default. Used pcal sets: 1 LO sum= 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 BBC fr= 665.51 665.51 665.51 665.51 649.51 649.51 649.51 649.51 633.51 633.51 633.51 633.51 617.51 617.51 617.51 617.51 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 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 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCE LIST -- EVN-MERLIN-18CM-0836+710 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) J0841+7053 08 36 21.556636 * 08 41 24.365274 08 42 19.052225 0.62 * 0836+710 71 04 22.42742 * 70 53 42.17305 70 52 05.56445 0.40 J0841+70 /homes/vlbsoft/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 7.637 scan hours, 330.728 baseline hours above horizon. J0903+6757 08 59 23.027466 * 09 03 53.155098 09 04 42.099662 0.74 * 0859+681 68 09 16.15540 * 67 57 22.68628 67 55 31.49031 0.52 J0903+67 /homes/vlbsoft/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 2.867 scan hours, 125.396 baseline hours above horizon. J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 36.245908 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 11.53095 0.40 * 4C39.25 /homes/vlbsoft/sched/catalogs/sources.vlba J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.133 scan hours, 4.800 baseline hours above horizon. J1642+3948 16 41 17.606231 * 16 42 58.809968 16 43 15.828133 0.26 1641+399 39 54 10.81494 * 39 48 36.99400 39 47 15.99122 0.40 * 3C345 /homes/vlbsoft/sched/catalogs/sources.vlba J1642+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.142 scan hours, 5.100 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) 0836+710 113.1 0859+681 116.7 4C39.25 143.0 3C345 96.3 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