COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: Probing the pc-scale environment of 3C310 Exp. Code: GG045 Schedule Version: 2.00 Processed by SCHED version: Release of 12 Jan. 2001 PI: Nectaria A.B. Gizani Address: Dep. of Physics, Section of Astronomy, Astrophysics and Mechanic University of Athens Kalymnou 13, 11251, Athens GREECE Phone: 30 932 832762 EMAIL: ng@jb.man.ac.uk Fax: 30 1 3301732 Phone during observation: 30 932 832762 Observing mode: 18cm 128Mbits/sec 4 BB chs 2-bit samples Notes: target 3C310 core & pc scale jets fringe-finder OQ208 phase-calibrator (VLBA) 1451+2700 Schedule for VLBA_BR (Code Br ) Page 2 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- Next scan frequencies: 1650.49 1650.49 1658.49 1658.49 Next BBC frequencies: 749.51 749.51 741.51 741.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 05 37 00 J1453+2648 07 43 07 8.9 59.4 -7.2 -40.1 0 1 1 0 05 37 00 05 39 30 --- 07 45 38 9.3 59.8 -7.1 -40.3 150 F 1 1000 05 39 30 3C310 07 45 38 7.1 58.4 -7.3 -39.2 -6 1 1 1000 05 39 30 05 43 30 --- 07 49 38 7.6 59.1 -7.3 -39.6 234 F 1 2600 05 43 30 J1453+2648 07 49 38 9.8 60.5 -7.1 -40.6 -6 1 1 2600 05 43 30 05 46 00 --- 07 52 09 10.2 60.9 -7.0 -40.8 144 F 1 3600 05 46 00 3C310 07 52 09 8.0 59.6 -7.2 -39.8 -6 1 1 3600 05 46 00 05 50 00 --- 07 56 09 8.6 60.2 -7.1 -40.1 234 F 1 5200 05 50 00 J1453+2648 07 56 09 10.8 61.6 -7.0 -41.1 -6 1 1 5200 05 50 00 05 52 30 --- 07 58 40 11.2 62.1 -6.9 -41.3 144 F 1 6200 05 52 30 3C310 07 58 40 8.9 60.7 -7.1 -40.4 -6 1 1 6200 05 52 30 05 56 00 --- 08 02 10 9.4 61.3 -7.0 -40.6 204 F 1 7600 05 56 00 J1453+2648 08 02 10 11.7 62.7 -6.9 -41.6 -6 1 1 7600 05 56 00 05 58 30 --- 08 04 41 12.0 63.1 -6.8 -41.8 144 F 1 8600 05 58 30 3C310 08 04 41 9.8 61.7 -7.0 -40.8 -6 1 1 8600 05 58 30 06 02 00 --- 08 08 11 10.3 62.3 -6.9 -41.1 204 F 1 10000 06 02 00 J1453+2648 08 08 11 12.6 63.7 -6.8 -42.1 -6 1 1 10000 06 02 00 06 04 30 --- 08 10 42 12.9 64.1 -6.7 -42.3 144 F 1 11000 06 04 30 3C310 08 10 42 10.7 62.8 -6.9 -41.3 -6 1 1 11000 06 04 30 06 08 00 --- 08 14 12 11.2 63.4 -6.8 -41.6 204 F 1 12400 06 08 00 J1453+2648 08 14 12 13.5 64.7 -6.7 -42.5 -6 1 1 12400 06 08 00 06 10 30 --- 08 16 43 13.9 65.1 -6.6 -42.7 144 F 1 13400 06 10 30 3C310 08 16 43 11.6 63.8 -6.8 -41.8 -7 1 1 13400 06 10 30 06 14 30 --- 08 20 43 12.2 64.5 -6.7 -42.1 233 F 1 15000 06 14 30 J1453+2648 08 20 43 14.5 65.8 -6.6 -43.0 -7 1 1 15000 06 14 30 06 17 00 --- 08 23 14 14.8 66.2 -6.5 -43.2 143 F 1 16000 Schedule for VLBA_BR (Code Br ) Page 3 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 06 17 00 3C310 08 23 14 12.6 64.9 -6.7 -42.3 -7 1 1 16000 06 17 00 06 21 00 --- 08 27 14 13.2 65.6 -6.6 -42.6 233 F 1 17600 06 23 00 J1453+2648 08 29 15 15.8 67.2 -6.4 -43.6 113 1 2 17600 06 23 00 06 25 30 --- 08 31 45 16.2 67.7 -6.4 -43.8 150 R 1 16600 06 25 30 3C310 08 31 45 13.9 66.4 -6.6 -42.9 -7 1 2 16600 06 25 30 06 29 30 --- 08 35 46 14.5 67.0 -6.5 -43.1 233 R 1 15000 06 29 30 J1453+2648 08 35 46 16.8 68.3 -6.3 -44.0 -7 1 2 15000 06 29 30 06 32 00 --- 08 38 16 17.2 68.7 -6.3 -44.2 143 R 1 14000 06 32 00 3C310 08 38 16 14.9 67.5 -6.4 -43.3 -7 1 2 14000 06 32 00 06 36 00 --- 08 42 17 15.5 68.1 -6.4 -43.6 233 R 1 12400 06 36 00 J1453+2648 08 42 17 17.8 69.4 -6.2 -44.4 -7 1 2 12400 06 36 00 06 38 30 --- 08 44 47 18.2 69.8 -6.2 -44.6 143 R 1 11400 06 38 30 3C310 08 44 47 15.9 68.6 -6.3 -43.7 -7 1 2 11400 06 38 30 06 42 00 --- 08 48 18 16.4 69.1 -6.3 -43.9 203 R 1 10000 06 42 00 J1453+2648 08 48 18 18.7 70.4 -6.1 -44.8 -7 1 2 10000 06 42 00 06 44 30 --- 08 50 48 19.1 70.8 -6.1 -44.9 143 R 1 9000 06 44 30 3C310 08 50 48 16.8 69.6 -6.2 -44.1 -7 1 2 9000 06 44 30 06 48 00 --- 08 54 19 17.4 70.2 -6.2 -44.3 203 R 1 7600 06 48 00 J1453+2648 08 54 19 19.7 71.4 -6.0 -45.1 -7 1 2 7600 06 48 00 06 50 30 --- 08 56 49 20.1 71.8 -6.0 -45.3 143 R 1 6600 06 50 30 3C310 08 56 49 17.8 70.6 -6.1 -44.5 -7 1 2 6600 06 50 30 06 54 00 --- 09 00 20 18.3 71.2 -6.1 -44.7 203 R 1 5200 06 54 00 J1453+2648 09 00 20 20.6 72.4 -5.9 -45.5 -7 1 2 5200 06 54 00 06 56 30 --- 09 02 50 21.0 72.9 -5.9 -45.6 143 R 1 4200 06 56 30 3C310 09 02 50 18.7 71.6 -6.0 -44.8 -7 1 2 4200 06 56 30 07 00 30 --- 09 06 51 19.4 72.3 -6.0 -45.0 233 R 1 2600 07 00 30 J1453+2648 09 06 51 21.7 73.5 -5.8 -45.8 -7 1 2 2600 07 00 30 07 03 00 --- 09 09 21 22.1 73.9 -5.7 -45.9 143 R 1 1600 07 03 00 3C310 09 09 21 19.8 72.7 -5.9 -45.2 -7 1 2 1600 07 03 00 07 07 00 --- 09 13 22 20.4 73.4 -5.9 -45.4 233 R 1 0 Schedule for VLBA_BR (Code Br ) Page 4 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 07 09 00 J1453+2648 09 15 22 23.0 75.0 -5.6 -46.2 113 1 3 0 07 09 00 07 11 30 --- 09 17 53 23.4 75.4 -5.6 -46.3 150 F 1 1000 07 11 30 3C310 09 17 53 21.1 74.1 -5.8 -45.6 -7 1 3 1000 07 11 30 07 15 30 --- 09 21 53 21.8 74.8 -5.7 -45.8 233 F 1 2600 07 15 30 J1453+2648 09 21 53 24.1 76.0 -5.5 -46.5 -7 1 3 2600 07 15 30 07 18 00 --- 09 24 24 24.5 76.5 -5.5 -46.6 143 F 1 3600 07 18 00 3C310 09 24 24 22.2 75.2 -5.7 -45.9 -7 1 3 3600 07 18 00 07 22 00 --- 09 28 24 22.8 75.9 -5.6 -46.1 233 F 1 5200 07 22 00 J1453+2648 09 28 24 25.2 77.1 -5.4 -46.8 -7 1 3 5200 07 22 00 07 24 30 --- 09 30 55 25.6 77.6 -5.4 -46.9 143 F 1 6200 07 24 30 3C310 09 30 55 23.2 76.3 -5.6 -46.2 -7 1 3 6200 07 24 30 07 28 00 --- 09 34 25 23.8 76.9 -5.5 -46.3 203 F 1 7600 07 28 00 J1453+2648 09 34 25 26.1 78.2 -5.3 -47.0 -7 1 3 7600 07 28 00 07 30 30 --- 09 36 56 26.5 78.6 -5.3 -47.1 143 F 1 8600 07 30 30 3C310 09 36 56 24.2 77.4 -5.5 -46.4 -7 1 3 8600 07 30 30 07 34 00 --- 09 40 26 24.8 77.9 -5.4 -46.6 203 F 1 10000 07 34 00 J1453+2648 09 40 26 27.1 79.2 -5.2 -47.3 -7 1 3 10000 07 34 00 07 36 30 --- 09 42 57 27.5 79.6 -5.2 -47.3 143 F 1 11000 07 36 30 3C310 09 42 57 25.2 78.4 -5.4 -46.7 -7 1 3 11000 07 36 30 07 40 00 --- 09 46 27 25.8 79.0 -5.3 -46.8 203 F 1 12400 07 40 00 J1453+2648 09 46 27 28.1 80.2 -5.1 -47.5 -7 1 3 12400 07 40 00 07 42 30 --- 09 48 58 28.5 80.6 -5.1 -47.5 143 F 1 13400 07 42 30 3C310 09 48 58 26.2 79.4 -5.3 -46.9 -7 1 3 13400 07 42 30 07 46 30 --- 09 52 59 26.8 80.1 -5.2 -47.0 233 F 1 15000 07 46 30 J1453+2648 09 52 59 29.2 81.3 -5.0 -47.7 -7 1 3 15000 07 46 30 07 49 00 --- 09 55 29 29.6 81.8 -5.0 -47.7 143 F 1 16000 07 49 00 3C310 09 55 29 27.2 80.5 -5.2 -47.1 -7 1 3 16000 07 49 00 07 53 00 --- 09 59 30 27.9 81.2 -5.1 -47.2 233 F 1 17600 07 55 00 J1453+2648 10 01 30 30.6 82.8 -4.9 -47.9 113 1 4 17600 07 55 00 07 57 30 --- 10 04 00 31.0 83.2 -4.8 -48.0 150 R 1 16600 Schedule for VLBA_BR (Code Br ) Page 5 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 07 57 30 3C310 10 04 00 28.6 82.0 -5.0 -47.3 -7 1 4 16600 07 57 30 08 01 30 --- 10 08 01 29.3 82.7 -4.9 -47.4 233 R 1 15000 08 01 30 J1453+2648 10 08 01 31.7 83.9 -4.8 -48.0 -7 1 4 15000 08 01 30 08 04 00 --- 10 10 31 32.1 84.4 -4.7 -48.1 143 R 1 14000 08 04 00 3C310 10 10 31 29.7 83.1 -4.9 -47.5 -7 1 4 14000 08 04 00 08 08 00 --- 10 14 32 30.4 83.8 -4.8 -47.6 233 R 1 12400 08 08 00 J1453+2648 10 14 32 32.8 85.1 -4.7 -48.2 -7 1 4 12400 08 08 00 08 10 30 --- 10 17 02 33.2 85.5 -4.6 -48.2 143 R 1 11400 08 10 30 3C310 10 17 02 30.8 84.3 -4.8 -47.6 -7 1 4 11400 08 10 30 08 14 00 --- 10 20 33 31.4 84.9 -4.7 -47.7 203 R 1 10000 08 14 00 J1453+2648 10 20 33 33.8 86.2 -4.6 -48.3 -7 1 4 10000 08 14 00 08 16 30 --- 10 23 03 34.2 86.6 -4.5 -48.3 143 R 1 9000 08 16 30 3C310 10 23 03 31.8 85.3 -4.7 -47.7 -7 1 4 9000 08 16 30 08 20 00 --- 10 26 34 32.4 86.0 -4.6 -47.8 203 R 1 7600 08 20 00 J1453+2648 10 26 34 34.8 87.2 -4.5 -48.3 -7 1 4 7600 08 20 00 08 22 30 --- 10 29 04 35.2 87.7 -4.4 -48.3 143 R 1 6600 08 22 30 3C310 10 29 04 32.8 86.4 -4.6 -47.8 -7 1 4 6600 08 22 30 08 26 00 --- 10 32 35 33.4 87.0 -4.5 -47.9 203 R 1 5200 08 26 00 J1453+2648 10 32 35 35.8 88.3 -4.4 -48.4 -7 1 4 5200 08 26 00 08 28 30 --- 10 35 05 36.2 88.8 -4.3 -48.4 143 R 1 4200 08 28 30 3C310 10 35 05 33.8 87.5 -4.5 -47.9 -7 1 4 4200 08 28 30 08 32 30 --- 10 39 06 34.5 88.2 -4.4 -47.9 233 R 1 2600 08 32 30 J1453+2648 10 39 06 36.8 89.5 -4.2 -48.4 -7 1 4 2600 08 32 30 08 35 00 --- 10 41 36 37.3 90.0 -4.2 -48.4 143 R 1 1600 08 35 00 3C310 10 41 36 34.9 88.7 -4.4 -47.9 -7 1 4 1600 08 35 00 08 39 00 --- 10 45 37 35.6 89.4 -4.3 -48.0 233 R 1 0 08 41 00 J1453+2648 10 47 37 38.3 91.1 -4.1 -48.4 113 1 5 0 08 41 00 08 43 30 --- 10 50 08 38.7 91.6 -4.1 -48.4 150 F 1 1000 08 43 30 3C310 10 50 08 36.3 90.3 -4.2 -48.0 -7 1 5 1000 08 43 30 08 47 30 --- 10 54 09 37.0 91.0 -4.2 -47.9 233 F 1 2600 Schedule for VLBA_BR (Code Br ) Page 6 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 08 47 30 J1453+2648 10 54 09 39.4 92.4 -4.0 -48.3 -7 1 5 2600 08 47 30 08 50 00 --- 10 56 39 39.8 92.8 -4.0 -48.3 143 F 1 3600 08 50 00 3C310 10 56 39 37.4 91.5 -4.1 -47.9 -7 1 5 3600 08 50 00 08 54 00 --- 11 00 40 38.1 92.3 -4.1 -47.9 233 F 1 5200 08 54 00 J1453+2648 11 00 40 40.4 93.6 -3.9 -48.3 -7 1 5 5200 08 54 00 08 56 30 --- 11 03 10 40.9 94.1 -3.8 -48.2 143 F 1 6200 08 56 30 3C310 11 03 10 38.5 92.7 -4.0 -47.9 -7 1 5 6200 08 56 30 09 00 00 --- 11 06 41 39.1 93.4 -4.0 -47.8 203 F 1 7600 09 00 00 J1453+2648 11 06 41 41.4 94.8 -3.8 -48.2 -7 1 5 7600 09 00 00 09 02 30 --- 11 09 11 41.9 95.3 -3.7 -48.1 143 F 1 8600 09 02 30 3C310 11 09 11 39.5 93.9 -3.9 -47.8 -7 1 5 8600 09 02 30 09 06 00 --- 11 12 42 40.1 94.6 -3.9 -47.8 203 F 1 10000 09 06 00 J1453+2648 11 12 42 42.4 96.0 -3.7 -48.0 -7 1 5 10000 09 06 00 09 08 30 --- 11 15 12 42.9 96.5 -3.6 -48.0 143 F 1 11000 09 08 30 3C310 11 15 12 40.5 95.1 -3.8 -47.7 -7 1 5 11000 09 08 30 09 12 00 --- 11 18 43 41.1 95.8 -3.8 -47.6 203 F 1 12400 09 12 00 J1453+2648 11 18 43 43.4 97.2 -3.6 -47.9 -7 1 5 12400 09 12 00 09 14 30 --- 11 21 13 43.9 97.8 -3.5 -47.8 143 F 1 13400 09 14 30 3C310 11 21 13 41.5 96.3 -3.7 -47.6 -7 1 5 13400 09 14 30 09 18 30 --- 11 25 14 42.2 97.1 -3.7 -47.5 233 F 1 15000 09 18 30 J1453+2648 11 25 14 44.5 98.6 -3.5 -47.7 -7 1 5 15000 09 18 30 09 21 00 --- 11 27 44 44.9 99.1 -3.4 -47.6 143 F 1 16000 09 21 00 3C310 11 27 44 42.6 97.6 -3.6 -47.4 -7 1 5 16000 09 21 00 09 25 00 --- 11 31 45 43.2 98.5 -3.6 -47.3 233 F 1 17600 09 27 00 J1453+2648 11 33 45 45.9 100.4 -3.3 -47.3 113 1 6 17600 09 27 00 09 29 30 --- 11 36 15 46.3 101.0 -3.3 -47.2 150 R 1 16600 09 29 30 3C310 11 36 15 44.0 99.4 -3.5 -47.1 -7 1 6 16600 09 29 30 09 33 30 --- 11 40 16 44.6 100.3 -3.4 -46.9 233 R 1 15000 09 33 30 J1453+2648 11 40 16 47.0 101.9 -3.2 -47.0 -7 1 6 15000 09 33 30 09 36 00 --- 11 42 46 47.4 102.4 -3.2 -46.9 143 R 1 14000 Schedule for VLBA_BR (Code Br ) Page 7 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 09 36 00 3C310 11 42 46 45.0 100.8 -3.4 -46.8 -7 1 6 14000 09 36 00 09 40 00 --- 11 46 47 45.7 101.7 -3.3 -46.7 233 R 1 12400 09 40 00 J1453+2648 11 46 47 48.0 103.3 -3.1 -46.7 -7 1 6 12400 09 40 00 09 42 30 --- 11 49 18 48.5 103.9 -3.1 -46.5 143 R 1 11400 09 42 30 3C310 11 49 18 46.1 102.2 -3.3 -46.5 -7 1 6 11400 09 42 30 09 46 00 --- 11 52 48 46.7 103.0 -3.2 -46.3 203 R 1 10000 09 46 00 J1453+2648 11 52 48 49.0 104.7 -3.0 -46.3 -7 1 6 10000 09 46 00 09 48 30 --- 11 55 19 49.4 105.3 -3.0 -46.2 143 R 1 9000 09 48 30 3C310 11 55 19 47.1 103.6 -3.2 -46.2 -7 1 6 9000 09 48 30 09 52 00 --- 11 58 49 47.7 104.4 -3.1 -46.0 203 R 1 7600 09 52 00 J1453+2648 11 58 49 50.0 106.2 -2.9 -45.9 -7 1 6 7600 09 52 00 09 54 30 --- 12 01 20 50.4 106.8 -2.9 -45.7 143 R 1 6600 09 54 30 3C310 12 01 20 48.1 105.0 -3.1 -45.8 -7 1 6 6600 09 54 30 09 58 00 --- 12 04 50 48.6 105.8 -3.0 -45.6 203 R 1 5200 09 58 00 J1453+2648 12 04 50 50.9 107.6 -2.8 -45.4 -7 1 6 5200 09 58 00 10 00 30 --- 12 07 21 51.3 108.3 -2.8 -45.2 143 R 1 4200 10 00 30 3C310 12 07 21 49.0 106.4 -3.0 -45.4 -7 1 6 4200 10 00 30 10 04 30 --- 12 11 21 49.7 107.4 -2.9 -45.1 233 R 1 2600 10 04 30 J1453+2648 12 11 21 52.0 109.3 -2.7 -44.9 -7 1 6 2600 10 04 30 10 07 00 --- 12 13 52 52.4 109.9 -2.7 -44.7 143 R 1 1600 10 07 00 3C310 12 13 52 50.1 108.0 -2.9 -44.9 -7 1 6 1600 10 07 00 10 11 00 --- 12 17 52 50.7 109.0 -2.8 -44.6 233 R 1 0 10 13 00 J1453+2648 12 19 53 53.3 111.5 -2.6 -44.1 113 1 7 0 10 13 00 10 15 30 --- 12 22 23 53.7 112.2 -2.5 -43.8 150 F 1 1000 10 15 30 3C310 12 22 23 51.4 110.2 -2.7 -44.2 -7 1 7 1000 10 15 30 10 19 30 --- 12 26 24 52.0 111.2 -2.6 -43.8 233 F 1 2600 10 19 30 J1453+2648 12 26 24 54.3 113.3 -2.5 -43.4 -7 1 7 2600 10 19 30 10 22 00 --- 12 28 54 54.7 114.0 -2.4 -43.1 143 F 1 3600 10 22 00 3C310 12 28 54 52.4 111.9 -2.6 -43.6 -7 1 7 3600 10 22 00 10 26 00 --- 12 32 55 53.0 113.0 -2.5 -43.1 233 F 1 5200 Schedule for VLBA_BR (Code Br ) Page 8 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 10 26 00 J1453+2648 12 32 55 55.3 115.1 -2.4 -42.6 -7 1 7 5200 10 26 00 10 28 30 --- 12 35 25 55.7 115.9 -2.3 -42.3 143 F 1 6200 10 28 30 3C310 12 35 25 53.4 113.7 -2.5 -42.9 -7 1 7 6200 10 28 30 10 32 00 --- 12 38 56 54.0 114.6 -2.4 -42.5 203 F 1 7600 10 32 00 J1453+2648 12 38 56 56.2 116.9 -2.3 -41.8 -6 1 7 7600 10 32 00 10 34 30 --- 12 41 26 56.6 117.7 -2.2 -41.5 144 F 1 8600 10 34 30 3C310 12 41 26 54.3 115.3 -2.4 -42.2 -6 1 7 8600 10 34 30 10 38 00 --- 12 44 57 54.9 116.4 -2.3 -41.7 204 F 1 10000 10 38 00 J1453+2648 12 44 57 57.1 118.7 -2.1 -41.0 -6 1 7 10000 10 38 00 10 40 30 --- 12 47 27 57.5 119.5 -2.1 -40.6 144 F 1 11000 10 40 30 3C310 12 47 27 55.2 117.1 -2.3 -41.4 -6 1 7 11000 10 40 30 10 44 00 --- 12 50 58 55.8 118.1 -2.2 -40.9 204 F 1 12400 10 44 00 J1453+2648 12 50 58 58.0 120.6 -2.0 -40.0 -6 1 7 12400 10 44 00 10 46 30 --- 12 53 28 58.3 121.5 -2.0 -39.6 144 F 1 13400 10 46 30 3C310 12 53 28 56.1 118.9 -2.2 -40.6 -6 1 7 13400 10 46 30 10 50 30 --- 12 57 29 56.7 120.1 -2.1 -40.0 234 F 1 15000 10 50 30 J1453+2648 12 57 29 58.9 122.8 -1.9 -38.9 -6 1 7 15000 10 50 30 10 53 00 --- 12 59 59 59.2 123.6 -1.9 -38.5 144 F 1 16000 10 53 00 3C310 12 59 59 57.1 120.9 -2.1 -39.6 -6 1 7 16000 10 53 00 10 57 00 --- 13 04 00 57.6 122.2 -2.0 -38.9 234 F 1 17600 10 59 00 OQ208 13 06 00 67.1 143.6 -1.0 -26.8 99 1 8 17600 10 59 00 11 00 30 --- 13 07 30 67.2 144.3 -1.0 -26.3 90 R 1 17000 11 00 30 J1453+2648 13 07 30 60.3 126.3 -1.8 -37.1 -16 1 8 17000 11 00 30 11 02 30 --- 13 09 31 60.5 127.0 -1.7 -36.7 104 R 1 16200 11 02 30 3C310 13 09 31 58.4 124.1 -1.9 -38.0 -6 1 8 16200 11 02 30 11 05 30 --- 13 12 31 58.8 125.1 -1.9 -37.4 174 R 1 15000 11 05 30 J1453+2648 13 12 31 60.9 128.1 -1.7 -36.0 -6 1 8 15000 11 05 30 11 07 00 --- 13 14 01 61.1 128.7 -1.7 -35.7 84 R 1 14400 11 07 00 3C310 13 14 01 59.0 125.6 -1.8 -37.1 -6 1 8 14400 11 07 00 11 10 00 --- 13 17 02 59.4 126.7 -1.8 -36.6 174 R 1 13200 Schedule for VLBA_BR (Code Br ) Page 9 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 11 10 00 J1453+2648 13 17 02 61.5 129.8 -1.6 -35.1 -6 1 8 13200 11 10 00 11 11 30 --- 13 18 32 61.7 130.4 -1.6 -34.7 84 R 1 12600 11 11 30 3C310 13 18 32 59.6 127.2 -1.8 -36.3 -6 1 8 12600 11 11 30 11 14 30 --- 13 21 33 60.0 128.3 -1.7 -35.7 174 R 1 11400 11 14 30 J1453+2648 13 21 33 62.1 131.6 -1.5 -34.0 -6 1 8 11400 11 14 30 11 16 00 --- 13 23 03 62.3 132.2 -1.5 -33.7 84 R 1 10800 11 16 00 3C310 13 23 03 60.2 128.8 -1.7 -35.3 -6 1 8 10800 11 16 00 11 19 00 --- 13 26 03 60.6 130.0 -1.6 -34.7 174 R 1 9600 11 19 00 J1453+2648 13 26 03 62.7 133.4 -1.5 -32.9 -6 1 8 9600 11 19 00 11 20 30 --- 13 27 34 62.8 134.0 -1.4 -32.5 84 R 1 9000 11 20 30 3C310 13 27 34 60.8 130.5 -1.6 -34.4 -6 1 8 9000 11 20 30 11 23 30 --- 13 30 34 61.2 131.7 -1.6 -33.7 174 R 1 7800 11 23 30 J1453+2648 13 30 34 63.2 135.2 -1.4 -31.8 -6 1 8 7800 11 23 30 11 25 00 --- 13 32 04 63.4 135.9 -1.4 -31.4 84 R 1 7200 11 25 00 3C310 13 32 04 61.4 132.3 -1.5 -33.3 -6 1 8 7200 11 25 00 11 28 00 --- 13 35 05 61.7 133.5 -1.5 -32.6 174 R 1 6000 11 28 00 J1453+2648 13 35 05 63.7 137.2 -1.3 -30.6 -6 1 8 6000 11 28 00 11 29 30 --- 13 36 35 63.9 137.8 -1.3 -30.1 84 R 1 5400 11 29 30 3C310 13 36 35 61.9 134.1 -1.5 -32.2 -6 1 8 5400 11 29 30 11 32 30 --- 13 39 36 62.3 135.3 -1.4 -31.5 174 R 1 4200 11 32 30 J1453+2648 13 39 36 64.2 139.2 -1.2 -29.3 -6 1 8 4200 11 32 30 11 34 00 --- 13 41 06 64.4 139.8 -1.2 -28.8 84 R 1 3600 11 34 00 3C310 13 41 06 62.5 135.9 -1.4 -31.1 -6 1 8 3600 11 34 00 11 37 00 --- 13 44 06 62.8 137.2 -1.3 -30.3 174 R 1 2400 11 37 00 J1453+2648 13 44 06 64.7 141.2 -1.2 -27.9 -6 1 8 2400 11 37 00 11 38 30 --- 13 45 37 64.9 141.9 -1.1 -27.5 84 R 1 1800 11 38 30 3C310 13 45 37 63.0 137.8 -1.3 -29.9 -6 1 8 1800 11 38 30 11 41 30 --- 13 48 37 63.3 139.1 -1.3 -29.1 174 R 1 600 11 41 30 J1453+2648 13 48 37 65.2 143.3 -1.1 -26.5 -6 1 8 600 11 41 30 11 43 00 --- 13 50 07 65.3 144.0 -1.1 -26.0 84 R 1 0 Schedule for VLBA_BR (Code Br ) Page 10 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 11 45 00 OQ208 13 52 08 70.1 170.3 -0.2 -7.3 100 1 9 0 11 45 00 11 46 30 --- 13 53 38 70.1 171.3 -0.2 -6.6 90 F 1 600 11 46 30 J1453+2648 13 53 38 65.6 145.7 -1.0 -24.9 -19 1 9 600 11 46 30 11 48 30 --- 13 55 38 65.8 146.7 -1.0 -24.2 101 F 1 1400 11 48 30 3C310 13 55 38 64.0 142.3 -1.2 -27.0 -6 1 9 1400 11 48 30 11 51 30 --- 13 58 39 64.3 143.7 -1.1 -26.1 174 F 1 2600 11 51 30 J1453+2648 13 58 39 66.1 148.2 -0.9 -23.2 -6 1 9 2600 11 51 30 11 53 00 --- 14 00 09 66.2 149.0 -0.9 -22.6 84 F 1 3200 11 53 00 3C310 14 00 09 64.5 144.4 -1.1 -25.6 -5 1 9 3200 11 53 00 11 56 00 --- 14 03 09 64.8 145.8 -1.0 -24.7 175 F 1 4400 11 56 00 J1453+2648 14 03 09 66.5 150.6 -0.8 -21.6 -5 1 9 4400 11 56 00 11 57 30 --- 14 04 40 66.6 151.3 -0.8 -21.0 85 F 1 5000 11 57 30 3C310 14 04 40 64.9 146.5 -1.0 -24.2 -5 1 9 5000 11 57 30 12 00 30 --- 14 07 40 65.2 148.0 -1.0 -23.2 175 F 1 6200 12 00 30 J1453+2648 14 07 40 66.8 152.9 -0.8 -19.9 -5 1 9 6200 12 00 30 12 02 00 --- 14 09 10 67.0 153.7 -0.7 -19.3 85 F 1 6800 12 02 00 3C310 14 09 10 65.3 148.7 -0.9 -22.7 -5 1 9 6800 12 02 00 12 05 00 --- 14 12 11 65.6 150.2 -0.9 -21.6 175 F 1 8000 12 05 00 J1453+2648 14 12 11 67.2 155.4 -0.7 -18.2 -5 1 9 8000 12 05 00 12 06 30 --- 14 13 41 67.3 156.2 -0.7 -17.6 85 F 1 8600 12 06 30 3C310 14 13 41 65.7 151.0 -0.9 -21.1 -5 1 9 8600 12 06 30 12 09 30 --- 14 16 42 65.9 152.5 -0.8 -20.0 175 F 1 9800 12 09 30 J1453+2648 14 16 42 67.5 157.9 -0.6 -16.4 -6 1 9 9800 12 09 30 12 11 00 --- 14 18 12 67.6 158.7 -0.6 -15.8 84 F 1 10400 12 11 00 3C310 14 18 12 66.1 153.3 -0.8 -19.5 -6 1 9 10400 12 11 00 12 14 00 --- 14 21 12 66.3 154.9 -0.7 -18.4 174 F 1 11600 12 14 00 J1453+2648 14 21 12 67.7 160.4 -0.5 -14.5 -6 1 9 11600 12 14 00 12 15 30 --- 14 22 43 67.8 161.3 -0.5 -13.9 84 F 1 12200 12 15 30 3C310 14 22 43 66.4 155.7 -0.7 -17.8 -6 1 9 12200 12 15 30 12 18 30 --- 14 25 43 66.6 157.3 -0.7 -16.6 174 F 1 13400 Schedule for VLBA_BR (Code Br ) Page 11 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 12 18 30 J1453+2648 14 25 43 68.0 163.0 -0.5 -12.6 -6 1 9 13400 12 18 30 12 20 00 --- 14 27 13 68.0 163.9 -0.4 -12.0 84 F 1 14000 12 20 00 3C310 14 27 13 66.7 158.1 -0.6 -16.1 -6 1 9 14000 12 20 00 12 23 00 --- 14 30 14 66.9 159.8 -0.6 -14.9 174 F 1 15200 12 23 00 J1453+2648 14 30 14 68.2 165.6 -0.4 -10.7 -6 1 9 15200 12 23 00 12 24 30 --- 14 31 44 68.2 166.5 -0.4 -10.0 84 F 1 15800 12 24 30 3C310 14 31 44 66.9 160.6 -0.6 -14.3 -6 1 9 15800 12 24 30 12 27 30 --- 14 34 45 67.1 162.3 -0.5 -13.0 174 F 1 17000 12 27 30 J1453+2648 14 34 45 68.3 168.3 -0.3 -8.7 -6 1 9 17000 12 27 30 12 29 00 --- 14 36 15 68.4 169.2 -0.3 -8.0 84 F 1 17600 12 31 00 OQ208 14 38 15 69.4 199.8 0.5 14.9 98 1 10 17600 12 31 00 12 32 30 --- 14 39 45 69.3 200.7 0.5 15.6 90 R 1 17000 12 32 30 J1453+2648 14 39 45 68.5 171.3 -0.2 -6.5 -22 1 10 17000 12 32 30 12 34 30 --- 14 41 46 68.5 172.6 -0.2 -5.6 98 R 1 16200 12 34 30 3C310 14 41 46 67.4 166.3 -0.4 -10.1 -6 1 10 16200 12 34 30 12 37 30 --- 14 44 46 67.5 168.0 -0.3 -8.8 174 R 1 15000 12 37 30 J1453+2648 14 44 46 68.6 174.4 -0.2 -4.2 -6 1 10 15000 12 37 30 12 39 00 --- 14 46 17 68.6 175.3 -0.1 -3.5 84 R 1 14400 12 39 00 3C310 14 46 17 67.6 168.9 -0.3 -8.2 -6 1 10 14400 12 39 00 12 42 00 --- 14 49 17 67.7 170.7 -0.3 -6.9 174 R 1 13200 12 42 00 J1453+2648 14 49 17 68.7 177.1 -0.1 -2.1 -6 1 10 13200 12 42 00 12 43 30 --- 14 50 47 68.7 178.1 -0.1 -1.4 84 R 1 12600 12 43 30 3C310 14 50 47 67.7 171.6 -0.2 -6.3 -6 1 10 12600 12 43 30 12 46 30 --- 14 53 48 67.8 173.3 -0.2 -4.9 174 R 1 11400 12 46 30 J1453+2648 14 53 48 68.7 179.9 0.0 -0.1 -6 1 10 11400 12 46 30 12 48 00 --- 14 55 18 68.7 180.8 0.0 0.6 84 R 1 10800 12 48 00 3C310 14 55 18 67.8 174.2 -0.2 -4.3 -6 1 10 10800 12 48 00 12 51 00 --- 14 58 19 67.8 176.0 -0.1 -3.0 174 R 1 9600 12 51 00 J1453+2648 14 58 19 68.7 182.7 0.1 2.0 -6 1 10 9600 12 51 00 12 52 30 --- 14 59 49 68.6 183.6 0.1 2.7 84 R 1 9000 Schedule for VLBA_BR (Code Br ) Page 12 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 12 52 30 3C310 14 59 49 67.9 176.9 -0.1 -2.3 -6 1 10 9000 12 52 30 12 55 30 --- 15 02 49 67.9 178.7 0.0 -1.0 174 R 1 7800 12 55 30 J1453+2648 15 02 49 68.6 185.4 0.1 4.1 -6 1 10 7800 12 55 30 12 57 00 --- 15 04 20 68.6 186.4 0.2 4.7 84 R 1 7200 12 57 00 3C310 15 04 20 67.9 179.6 0.0 -0.3 -7 1 10 7200 12 57 00 13 00 00 --- 15 07 20 67.9 181.4 0.0 1.0 173 R 1 6000 13 00 00 J1453+2648 15 07 20 68.5 188.2 0.2 6.1 -7 1 10 6000 13 00 00 13 01 30 --- 15 08 50 68.5 189.1 0.2 6.8 83 R 1 5400 13 01 30 3C310 15 08 50 67.9 182.3 0.1 1.7 -7 1 10 5400 13 01 30 13 04 30 --- 15 11 51 67.8 184.1 0.1 3.0 173 R 1 4200 13 04 30 J1453+2648 15 11 51 68.4 190.9 0.3 8.1 -7 1 10 4200 13 04 30 13 06 00 --- 15 13 21 68.3 191.8 0.3 8.8 83 R 1 3600 13 06 00 3C310 15 13 21 67.8 185.0 0.1 3.7 -7 1 10 3600 13 06 00 13 09 00 --- 15 16 21 67.8 186.8 0.2 5.0 173 R 1 2400 13 09 00 J1453+2648 15 16 21 68.2 193.6 0.4 10.1 -7 1 10 2400 13 09 00 13 10 30 --- 15 17 52 68.2 194.5 0.4 10.8 83 R 1 1800 13 10 30 3C310 15 17 52 67.7 187.7 0.2 5.7 -7 1 10 1800 13 10 30 13 13 30 --- 15 20 52 67.7 189.4 0.3 7.0 173 R 1 600 13 13 30 J1453+2648 15 20 52 68.0 196.2 0.4 12.1 -7 1 10 600 13 13 30 13 15 00 --- 15 22 22 68.0 197.1 0.5 12.7 83 R 1 0 13 17 00 OQ208 15 24 23 65.3 224.1 1.3 31.9 100 1 11 0 13 17 00 13 18 30 --- 15 25 53 65.1 224.8 1.3 32.3 90 F 1 600 13 18 30 J1453+2648 15 25 53 67.8 199.1 0.5 14.2 -19 1 11 600 13 18 30 13 20 30 --- 15 27 53 67.7 200.3 0.6 15.0 101 F 1 1400 13 20 30 3C310 15 27 53 67.4 193.5 0.4 10.0 -7 1 11 1400 13 20 30 13 23 30 --- 15 30 54 67.3 195.2 0.4 11.3 173 F 1 2600 13 23 30 J1453+2648 15 30 54 67.5 202.0 0.6 16.3 -6 1 11 2600 13 23 30 13 25 00 --- 15 32 24 67.4 202.8 0.6 16.9 84 F 1 3200 13 25 00 3C310 15 32 24 67.2 196.1 0.5 11.9 -6 1 11 3200 13 25 00 13 28 00 --- 15 35 25 67.1 197.8 0.5 13.1 174 F 1 4400 Schedule for VLBA_BR (Code Br ) Page 13 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 13 28 00 J1453+2648 15 35 25 67.2 204.5 0.7 18.0 -6 1 11 4400 13 28 00 13 29 30 --- 15 36 55 67.1 205.3 0.7 18.6 84 F 1 5000 13 29 30 3C310 15 36 55 67.0 198.6 0.5 13.7 -6 1 11 5000 13 29 30 13 32 30 --- 15 39 55 66.8 200.3 0.6 14.9 174 F 1 6200 13 32 30 J1453+2648 15 39 55 66.9 206.9 0.8 19.8 -6 1 11 6200 13 32 30 13 34 00 --- 15 41 26 66.7 207.7 0.8 20.4 84 F 1 6800 13 34 00 3C310 15 41 26 66.8 201.1 0.6 15.5 -6 1 11 6800 13 34 00 13 37 00 --- 15 44 26 66.6 202.8 0.7 16.7 174 F 1 8000 13 37 00 J1453+2648 15 44 26 66.5 209.3 0.8 21.5 -6 1 11 8000 13 37 00 13 38 30 --- 15 45 56 66.4 210.1 0.9 22.0 84 F 1 8600 13 38 30 3C310 15 45 56 66.5 203.6 0.7 17.3 -6 1 11 8600 13 38 30 13 41 30 --- 15 48 57 66.3 205.2 0.7 18.4 174 F 1 9800 13 41 30 J1453+2648 15 48 57 66.1 211.6 0.9 23.1 -6 1 11 9800 13 41 30 13 43 00 --- 15 50 27 66.0 212.4 0.9 23.6 84 F 1 10400 13 43 00 3C310 15 50 27 66.2 206.0 0.8 19.0 -6 1 11 10400 13 43 00 13 46 00 --- 15 53 28 65.9 207.5 0.8 20.1 174 F 1 11600 13 46 00 J1453+2648 15 53 28 65.7 213.9 1.0 24.6 -6 1 11 11600 13 46 00 13 47 30 --- 15 54 58 65.6 214.6 1.0 25.1 84 F 1 12200 13 47 30 3C310 15 54 58 65.8 208.3 0.8 20.6 -6 1 11 12200 13 47 30 13 50 30 --- 15 57 58 65.6 209.9 0.9 21.7 174 F 1 13400 13 50 30 J1453+2648 15 57 58 65.3 216.1 1.1 26.1 -6 1 11 13400 13 50 30 13 52 00 --- 15 59 29 65.1 216.8 1.1 26.6 84 F 1 14000 13 52 00 3C310 15 59 29 65.4 210.6 0.9 22.2 -6 1 11 14000 13 52 00 13 55 00 --- 16 02 29 65.2 212.1 1.0 23.2 174 F 1 15200 13 55 00 J1453+2648 16 02 29 64.8 218.2 1.1 27.5 -6 1 11 15200 13 55 00 13 56 30 --- 16 03 59 64.7 218.9 1.2 28.0 84 F 1 15800 13 56 30 3C310 16 03 59 65.0 212.8 1.0 23.7 -6 1 11 15800 13 56 30 13 59 30 --- 16 07 00 64.8 214.3 1.0 24.7 174 F 1 17000 13 59 30 J1453+2648 16 07 00 64.4 220.3 1.2 28.9 -6 1 11 17000 13 59 30 14 01 00 --- 16 08 30 64.2 220.9 1.2 29.3 84 F 1 17600 Schedule for VLBA_BR (Code Br ) Page 14 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 14 03 00 OQ208 16 10 30 59.1 241.6 2.1 41.9 104 1 12 17600 14 03 00 14 04 30 --- 16 12 01 58.9 242.1 2.1 42.1 90 R 1 17000 14 04 30 J1453+2648 16 12 01 63.8 222.5 1.3 30.3 -15 1 12 17000 14 04 30 14 06 30 --- 16 14 01 63.6 223.4 1.3 30.9 105 R 1 16200 14 06 30 3C310 16 14 01 64.1 217.6 1.2 26.9 -6 1 12 16200 14 06 30 14 09 30 --- 16 17 01 63.8 218.9 1.2 27.8 174 R 1 15000 14 09 30 J1453+2648 16 17 01 63.2 224.6 1.4 31.7 -6 1 12 15000 14 09 30 14 11 00 --- 16 18 32 63.0 225.3 1.4 32.1 84 R 1 14400 14 11 00 3C310 16 18 32 63.6 219.6 1.2 28.3 -6 1 12 14400 14 11 00 14 14 00 --- 16 21 32 63.3 220.9 1.3 29.1 174 R 1 13200 14 14 00 J1453+2648 16 21 32 62.7 226.5 1.5 32.9 -6 1 12 13200 14 14 00 14 15 30 --- 16 23 02 62.5 227.1 1.5 33.2 84 R 1 12600 14 15 30 3C310 16 23 02 63.1 221.6 1.3 29.5 -6 1 12 12600 14 15 30 14 18 30 --- 16 26 03 62.8 222.9 1.4 30.4 174 R 1 11400 14 18 30 J1453+2648 16 26 03 62.1 228.3 1.5 34.0 -6 1 12 11400 14 18 30 14 20 00 --- 16 27 33 61.9 228.9 1.6 34.3 84 R 1 10800 14 20 00 3C310 16 27 33 62.6 223.5 1.4 30.8 -6 1 12 10800 14 20 00 14 23 00 --- 16 30 34 62.3 224.8 1.4 31.5 174 R 1 9600 14 23 00 J1453+2648 16 30 34 61.6 230.1 1.6 35.0 -6 1 12 9600 14 23 00 14 24 30 --- 16 32 04 61.4 230.7 1.6 35.3 84 R 1 9000 14 24 30 3C310 16 32 04 62.1 225.4 1.5 31.9 -6 1 12 9000 14 24 30 14 27 30 --- 16 35 04 61.7 226.6 1.5 32.7 174 R 1 7800 14 27 30 J1453+2648 16 35 04 61.0 231.8 1.7 36.0 -5 1 12 7800 14 27 30 14 29 00 --- 16 36 35 60.8 232.4 1.7 36.3 85 R 1 7200 14 29 00 3C310 16 36 35 61.5 227.2 1.5 33.0 -5 1 12 7200 14 29 00 14 32 00 --- 16 39 35 61.2 228.4 1.6 33.7 175 R 1 6000 14 32 00 J1453+2648 16 39 35 60.4 233.4 1.8 36.9 -5 1 12 6000 14 32 00 14 33 30 --- 16 41 05 60.2 234.0 1.8 37.2 85 R 1 5400 14 33 30 3C310 16 41 05 61.0 229.0 1.6 34.1 -5 1 12 5400 14 33 30 14 36 30 --- 16 44 06 60.6 230.1 1.7 34.7 175 R 1 4200 Schedule for VLBA_BR (Code Br ) Page 15 Probing the pc-scale environment of 3C310 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. TPStart: Tape motion start time. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 21 Feb 2001 Day 52 --- 14 36 30 J1453+2648 16 44 06 59.8 235.1 1.8 37.8 -5 1 12 4200 14 36 30 14 38 00 --- 16 45 36 59.6 235.6 1.9 38.1 85 R 1 3600 14 38 00 3C310 16 45 36 60.4 230.7 1.7 35.1 -5 1 12 3600 14 38 00 14 41 00 --- 16 48 37 60.0 231.8 1.7 35.7 175 R 1 2400 14 41 00 J1453+2648 16 48 37 59.1 236.6 1.9 38.6 -5 1 12 2400 14 41 00 14 42 30 --- 16 50 07 58.9 237.1 1.9 38.9 85 R 1 1800 14 42 30 3C310 16 50 07 59.8 232.3 1.8 36.0 -5 1 12 1800 14 42 30 14 45 30 --- 16 53 07 59.4 233.4 1.8 36.6 175 R 1 600 14 45 30 J1453+2648 16 53 07 58.5 238.1 2.0 39.4 -5 1 12 600 14 45 30 14 47 00 --- 16 54 38 58.3 238.6 2.0 39.7 85 R 1 0 14 49 00 OQ208 16 56 38 52.0 254.4 2.8 47.0 105 1 13 0 14 49 00 14 50 30 --- 16 58 08 51.8 254.8 2.9 47.1 90 F 1 600 14 50 30 J1453+2648 16 58 08 57.8 239.7 2.1 40.2 -14 1 13 600 14 50 30 14 52 30 --- 17 00 08 57.5 240.4 2.1 40.5 106 F 1 1400 14 52 30 3C310 17 00 08 58.5 235.8 1.9 37.9 -5 1 13 1400 14 52 30 14 55 30 --- 17 03 09 58.0 236.8 2.0 38.4 175 F 1 2600 14 55 30 J1453+2648 17 03 09 57.1 241.3 2.2 41.0 -5 1 13 2600 14 55 30 14 57 00 --- 17 04 39 56.8 241.8 2.2 41.2 85 F 1 3200 14 57 00 3C310 17 04 39 57.8 237.3 2.0 38.7 -5 1 13 3200 14 57 00 15 00 00 --- 17 07 40 57.4 238.3 2.0 39.2 175 F 1 4400 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: gg045.18cm Matches group v20cm_2 in /aps3/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 8 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 2400.00 2400.00 2400.00 2400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= L L L L IF = A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 8 Setup file default. Used pcal sets: 1 LO sum= 1650.49 1650.49 1658.49 1658.49 BBC fr= 749.51 749.51 741.51 741.51 Bandwd= 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 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 510 510 6510 6510 0 0 0 0 PCALFR2= 510 510 6510 6510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCE LIST -- Probing the pc-scale environment of 3C310 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) * 3C310 15 02 46.869032 * 15 04 57.105000 15 04 59.569338 26 12 34.69969 * 26 00 58.29000 26 00 33.14163 From catalog imbedded in main SCHED input file. * J1453+2648 14 51 43.040827 * 14 53 53.606100 14 53 56.142479 27 00 43.82152 * 26 48 33.47200 26 48 07.61538 From catalog imbedded in main SCHED input file. J1407+2827 14 04 45.615152 * 14 07 00.394411 14 07 03.274659 1404+286 28 41 29.23491 * 28 27 14.68994 28 26 46.80725 J1407+28 /aps3/sched/catalogs/sources.vlba * OQ208 USNO - Ref Frame 1998-6, Eubanks June 1998 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) 3C310 111.1 J1453+2648 113.6 OQ208 123.8 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