COVER INFORMATION Station: VLBA_HN (Code Hn ) 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_HN (Code Hn ) 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 10 53 54 39.3 88.1 -4.0 -55.1 0 1 1 0 05 37 00 05 39 30 --- 10 56 25 39.8 88.5 -4.0 -55.1 150 F 1 1000 05 39 30 3C310 10 56 25 37.3 87.5 -4.1 -54.5 -7 1 1 1000 05 39 30 05 43 30 --- 11 00 26 38.0 88.1 -4.1 -54.5 233 F 1 2600 05 43 30 J1453+2648 11 00 26 40.5 89.1 -3.9 -55.1 -7 1 1 2600 05 43 30 05 46 00 --- 11 02 56 41.0 89.6 -3.9 -55.1 143 F 1 3600 05 46 00 3C310 11 02 56 38.5 88.6 -4.0 -54.5 -7 1 1 3600 05 46 00 05 50 00 --- 11 06 57 39.2 89.2 -4.0 -54.5 233 F 1 5200 05 50 00 J1453+2648 11 06 57 41.7 90.2 -3.8 -55.1 -7 1 1 5200 05 50 00 05 52 30 --- 11 09 27 42.2 90.7 -3.7 -55.1 143 F 1 6200 05 52 30 3C310 11 09 27 39.7 89.6 -3.9 -54.6 -7 1 1 6200 05 52 30 05 56 00 --- 11 12 58 40.3 90.2 -3.9 -54.6 203 F 1 7600 05 56 00 J1453+2648 11 12 58 42.8 91.3 -3.7 -55.1 -7 1 1 7600 05 56 00 05 58 30 --- 11 15 28 43.3 91.7 -3.6 -55.1 143 F 1 8600 05 58 30 3C310 11 15 28 40.8 90.7 -3.8 -54.5 -7 1 1 8600 05 58 30 06 02 00 --- 11 18 59 41.4 91.3 -3.8 -54.5 203 F 1 10000 06 02 00 J1453+2648 11 18 59 43.9 92.3 -3.6 -55.0 -7 1 1 10000 06 02 00 06 04 30 --- 11 21 29 44.4 92.8 -3.5 -55.0 143 F 1 11000 06 04 30 3C310 11 21 29 41.9 91.7 -3.7 -54.5 -7 1 1 11000 06 04 30 06 08 00 --- 11 25 00 42.5 92.3 -3.7 -54.5 203 F 1 12400 06 08 00 J1453+2648 11 25 00 45.0 93.4 -3.5 -55.0 -7 1 1 12400 06 08 00 06 10 30 --- 11 27 30 45.5 93.9 -3.4 -54.9 143 F 1 13400 06 10 30 3C310 11 27 30 43.0 92.8 -3.6 -54.5 -7 1 1 13400 06 10 30 06 14 30 --- 11 31 31 43.7 93.5 -3.6 -54.4 233 F 1 15000 06 14 30 J1453+2648 11 31 31 46.2 94.6 -3.4 -54.8 -7 1 1 15000 06 14 30 06 17 00 --- 11 34 01 46.7 95.1 -3.3 -54.8 143 F 1 16000 Schedule for VLBA_HN (Code Hn ) 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 11 34 01 44.2 94.0 -3.5 -54.4 -7 1 1 16000 06 17 00 06 21 00 --- 11 38 02 44.9 94.7 -3.4 -54.3 233 F 1 17600 06 23 00 J1453+2648 11 40 02 47.8 96.2 -3.2 -54.6 112 1 2 17600 06 23 00 06 25 30 --- 11 42 32 48.2 96.7 -3.2 -54.6 150 R 1 16600 06 25 30 3C310 11 42 32 45.7 95.5 -3.4 -54.2 -7 1 2 16600 06 25 30 06 29 30 --- 11 46 33 46.5 96.3 -3.3 -54.1 233 R 1 15000 06 29 30 J1453+2648 11 46 33 48.9 97.5 -3.1 -54.4 -7 1 2 15000 06 29 30 06 32 00 --- 11 49 03 49.4 98.0 -3.1 -54.3 143 R 1 14000 06 32 00 3C310 11 49 03 46.9 96.8 -3.3 -54.0 -7 1 2 14000 06 32 00 06 36 00 --- 11 53 04 47.7 97.6 -3.2 -53.9 233 R 1 12400 06 36 00 J1453+2648 11 53 04 50.1 98.8 -3.0 -54.2 -7 1 2 12400 06 36 00 06 38 30 --- 11 55 35 50.6 99.3 -3.0 -54.0 143 R 1 11400 06 38 30 3C310 11 55 35 48.1 98.1 -3.2 -53.8 -7 1 2 11400 06 38 30 06 42 00 --- 11 59 05 48.7 98.8 -3.1 -53.6 203 R 1 10000 06 42 00 J1453+2648 11 59 05 51.2 100.1 -2.9 -53.9 -7 1 2 10000 06 42 00 06 44 30 --- 12 01 36 51.7 100.6 -2.9 -53.7 143 R 1 9000 06 44 30 3C310 12 01 36 49.2 99.3 -3.1 -53.5 -7 1 2 9000 06 44 30 06 48 00 --- 12 05 06 49.8 100.0 -3.0 -53.3 203 R 1 7600 06 48 00 J1453+2648 12 05 06 52.3 101.3 -2.8 -53.5 -7 1 2 7600 06 48 00 06 50 30 --- 12 07 37 52.7 101.9 -2.8 -53.4 143 R 1 6600 06 50 30 3C310 12 07 37 50.3 100.5 -3.0 -53.2 -7 1 2 6600 06 50 30 06 54 00 --- 12 11 07 50.9 101.3 -2.9 -53.0 203 R 1 5200 06 54 00 J1453+2648 12 11 07 53.4 102.7 -2.7 -53.2 -7 1 2 5200 06 54 00 06 56 30 --- 12 13 38 53.8 103.2 -2.7 -53.0 143 R 1 4200 06 56 30 3C310 12 13 38 51.4 101.8 -2.9 -52.9 -7 1 2 4200 06 56 30 07 00 30 --- 12 17 38 52.1 102.7 -2.8 -52.6 233 R 1 2600 07 00 30 J1453+2648 12 17 38 54.5 104.2 -2.6 -52.7 -7 1 2 2600 07 00 30 07 03 00 --- 12 20 09 55.0 104.7 -2.6 -52.5 143 R 1 1600 07 03 00 3C310 12 20 09 52.5 103.3 -2.7 -52.5 -7 1 2 1600 07 03 00 07 07 00 --- 12 24 09 53.2 104.2 -2.7 -52.2 233 R 1 0 Schedule for VLBA_HN (Code Hn ) 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 12 26 10 56.0 106.2 -2.5 -52.0 112 1 3 0 07 09 00 07 11 30 --- 12 28 40 56.5 106.8 -2.4 -51.7 150 F 1 1000 07 11 30 3C310 12 28 40 54.0 105.2 -2.6 -51.8 -7 1 3 1000 07 11 30 07 15 30 --- 12 32 41 54.8 106.2 -2.5 -51.5 233 F 1 2600 07 15 30 J1453+2648 12 32 41 57.2 107.8 -2.4 -51.3 -7 1 3 2600 07 15 30 07 18 00 --- 12 35 11 57.6 108.5 -2.3 -51.1 143 F 1 3600 07 18 00 3C310 12 35 11 55.2 106.8 -2.5 -51.3 -7 1 3 3600 07 18 00 07 22 00 --- 12 39 12 55.9 107.8 -2.4 -50.9 233 F 1 5200 07 22 00 J1453+2648 12 39 12 58.3 109.5 -2.2 -50.6 -7 1 3 5200 07 22 00 07 24 30 --- 12 41 42 58.7 110.2 -2.2 -50.3 143 F 1 6200 07 24 30 3C310 12 41 42 56.3 108.4 -2.4 -50.6 -7 1 3 6200 07 24 30 07 28 00 --- 12 45 13 56.9 109.3 -2.3 -50.2 203 F 1 7600 07 28 00 J1453+2648 12 45 13 59.3 111.2 -2.1 -49.9 -7 1 3 7600 07 28 00 07 30 30 --- 12 47 43 59.8 111.9 -2.1 -49.5 143 F 1 8600 07 30 30 3C310 12 47 43 57.4 110.0 -2.3 -49.9 -7 1 3 8600 07 30 30 07 34 00 --- 12 51 14 58.0 111.0 -2.2 -49.5 203 F 1 10000 07 34 00 J1453+2648 12 51 14 60.4 112.9 -2.0 -49.1 -7 1 3 10000 07 34 00 07 36 30 --- 12 53 44 60.8 113.7 -2.0 -48.7 143 F 1 11000 07 36 30 3C310 12 53 44 58.4 111.7 -2.2 -49.2 -7 1 3 11000 07 36 30 07 40 00 --- 12 57 15 59.0 112.7 -2.1 -48.7 203 F 1 12400 07 40 00 J1453+2648 12 57 15 61.4 114.8 -1.9 -48.1 -7 1 3 12400 07 40 00 07 42 30 --- 12 59 45 61.8 115.6 -1.9 -47.7 143 F 1 13400 07 42 30 3C310 12 59 45 59.4 113.4 -2.1 -48.4 -7 1 3 13400 07 42 30 07 46 30 --- 13 03 46 60.1 114.6 -2.0 -47.8 233 F 1 15000 07 46 30 J1453+2648 13 03 46 62.4 116.8 -1.8 -47.0 -7 1 3 15000 07 46 30 07 49 00 --- 13 06 16 62.9 117.7 -1.8 -46.6 143 F 1 16000 07 49 00 3C310 13 06 16 60.5 115.3 -2.0 -47.4 -7 1 3 16000 07 49 00 07 53 00 --- 13 10 17 61.2 116.6 -1.9 -46.8 233 F 1 17600 07 55 00 J1453+2648 13 12 17 63.8 119.8 -1.7 -45.4 113 1 4 17600 07 55 00 07 57 30 --- 13 14 48 64.2 120.7 -1.7 -44.9 150 R 1 16600 Schedule for VLBA_HN (Code Hn ) 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 13 14 48 61.9 118.1 -1.8 -46.0 -7 1 4 16600 07 57 30 08 01 30 --- 13 18 48 62.5 119.4 -1.8 -45.2 233 R 1 15000 08 01 30 J1453+2648 13 18 48 64.8 122.1 -1.6 -44.0 -7 1 4 15000 08 01 30 08 04 00 --- 13 21 19 65.2 123.1 -1.5 -43.4 143 R 1 14000 08 04 00 3C310 13 21 19 62.9 120.3 -1.7 -44.7 -7 1 4 14000 08 04 00 08 08 00 --- 13 25 19 63.6 121.7 -1.7 -43.9 233 R 1 12400 08 08 00 J1453+2648 13 25 19 65.8 124.7 -1.5 -42.4 -7 1 4 12400 08 08 00 08 10 30 --- 13 27 50 66.2 125.7 -1.4 -41.8 143 R 1 11400 08 10 30 3C310 13 27 50 64.0 122.7 -1.6 -43.3 -7 1 4 11400 08 10 30 08 14 00 --- 13 31 20 64.5 124.0 -1.6 -42.5 203 R 1 10000 08 14 00 J1453+2648 13 31 20 66.7 127.2 -1.4 -40.8 -6 1 4 10000 08 14 00 08 16 30 --- 13 33 51 67.1 128.3 -1.3 -40.1 144 R 1 9000 08 16 30 3C310 13 33 51 64.9 125.0 -1.5 -41.9 -6 1 4 9000 08 16 30 08 20 00 --- 13 37 21 65.4 126.4 -1.5 -41.0 204 R 1 7600 08 20 00 J1453+2648 13 37 21 67.6 129.8 -1.3 -39.0 -6 1 4 7600 08 20 00 08 22 30 --- 13 39 52 67.9 131.0 -1.2 -38.3 144 R 1 6600 08 22 30 3C310 13 39 52 65.8 127.4 -1.4 -40.3 -6 1 4 6600 08 22 30 08 26 00 --- 13 43 22 66.3 128.9 -1.4 -39.4 204 R 1 5200 08 26 00 J1453+2648 13 43 22 68.4 132.7 -1.2 -37.1 -6 1 4 5200 08 26 00 08 28 30 --- 13 45 53 68.8 133.9 -1.1 -36.2 144 R 1 4200 08 28 30 3C310 13 45 53 66.6 130.0 -1.3 -38.6 -6 1 4 4200 08 28 30 08 32 30 --- 13 49 53 67.2 131.8 -1.3 -37.4 234 R 1 2600 08 32 30 J1453+2648 13 49 53 69.3 135.9 -1.1 -34.8 -6 1 4 2600 08 32 30 08 35 00 --- 13 52 24 69.6 137.2 -1.0 -33.8 144 R 1 1600 08 35 00 3C310 13 52 24 67.5 133.0 -1.2 -36.6 -6 1 4 1600 08 35 00 08 39 00 --- 13 56 24 68.0 134.9 -1.1 -35.3 234 R 1 0 08 41 00 J1453+2648 13 58 25 70.3 140.5 -0.9 -31.4 113 1 5 0 08 41 00 08 43 30 --- 14 00 55 70.6 142.0 -0.9 -30.4 150 F 1 1000 08 43 30 3C310 14 00 55 68.6 137.1 -1.1 -33.6 -6 1 5 1000 08 43 30 08 47 30 --- 14 04 56 69.1 139.2 -1.0 -32.1 234 F 1 2600 Schedule for VLBA_HN (Code Hn ) 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 14 04 56 71.0 144.3 -0.8 -28.6 -6 1 5 2600 08 47 30 08 50 00 --- 14 07 26 71.3 145.9 -0.8 -27.4 144 F 1 3600 08 50 00 3C310 14 07 26 69.4 140.6 -1.0 -31.1 -6 1 5 3600 08 50 00 08 54 00 --- 14 11 27 69.9 142.8 -0.9 -29.5 234 F 1 5200 08 54 00 J1453+2648 14 11 27 71.7 148.4 -0.7 -25.5 -6 1 5 5200 08 54 00 08 56 30 --- 14 13 57 71.9 150.0 -0.7 -24.2 144 F 1 6200 08 56 30 3C310 14 13 57 70.1 144.3 -0.9 -28.4 -6 1 5 6200 08 56 30 09 00 00 --- 14 17 28 70.5 146.3 -0.8 -26.8 204 F 1 7600 09 00 00 J1453+2648 14 17 28 72.2 152.4 -0.6 -22.4 -6 1 5 7600 09 00 00 09 02 30 --- 14 19 58 72.5 154.1 -0.6 -21.0 144 F 1 8600 09 02 30 3C310 14 19 58 70.7 147.9 -0.8 -25.7 -6 1 5 8600 09 02 30 09 06 00 --- 14 23 29 71.1 150.1 -0.7 -24.0 204 F 1 10000 09 06 00 J1453+2648 14 23 29 72.7 156.5 -0.5 -19.1 -6 1 5 10000 09 06 00 09 08 30 --- 14 25 59 72.9 158.3 -0.5 -17.6 144 F 1 11000 09 08 30 3C310 14 25 59 71.3 151.7 -0.7 -22.7 -6 1 5 11000 09 08 30 09 12 00 --- 14 29 30 71.6 154.0 -0.6 -21.0 204 F 1 12400 09 12 00 J1453+2648 14 29 30 73.1 160.9 -0.4 -15.6 -7 1 5 12400 09 12 00 09 14 30 --- 14 32 00 73.3 162.8 -0.4 -14.1 143 F 1 13400 09 14 30 3C310 14 32 00 71.8 155.6 -0.5 -19.6 -7 1 5 13400 09 14 30 09 18 30 --- 14 36 01 72.1 158.4 -0.5 -17.5 233 F 1 15000 09 18 30 J1453+2648 14 36 01 73.5 165.8 -0.3 -11.6 -7 1 5 15000 09 18 30 09 21 00 --- 14 38 31 73.6 167.8 -0.3 -10.0 143 F 1 16000 09 21 00 3C310 14 38 31 72.2 160.2 -0.4 -16.1 -7 1 5 16000 09 21 00 09 25 00 --- 14 42 32 72.5 163.0 -0.4 -13.8 233 F 1 17600 09 27 00 J1453+2648 14 44 32 73.8 172.5 -0.2 -6.2 112 1 6 17600 09 27 00 09 29 30 --- 14 47 03 73.8 174.5 -0.1 -4.5 150 R 1 16600 09 29 30 3C310 14 47 03 72.7 166.3 -0.3 -11.1 -7 1 6 16600 09 29 30 09 33 30 --- 14 51 03 72.8 169.3 -0.2 -8.7 233 R 1 15000 09 33 30 J1453+2648 14 51 03 73.9 177.7 0.0 -1.9 -8 1 6 15000 09 33 30 09 36 00 --- 14 53 34 73.9 179.7 0.0 -0.2 142 R 1 14000 Schedule for VLBA_HN (Code Hn ) 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 14 53 34 72.9 171.2 -0.2 -7.1 -8 1 6 14000 09 36 00 09 40 00 --- 14 57 34 73.0 174.3 -0.1 -4.7 232 R 1 12400 09 40 00 J1453+2648 14 57 34 73.9 182.9 0.1 2.4 -8 1 6 12400 09 40 00 09 42 30 --- 15 00 05 73.8 184.9 0.1 4.0 142 R 1 11400 09 42 30 3C310 15 00 05 73.0 176.2 -0.1 -3.1 -8 1 6 11400 09 42 30 09 46 00 --- 15 03 35 73.1 178.9 0.0 -0.9 202 R 1 10000 09 46 00 J1453+2648 15 03 35 73.7 187.7 0.2 6.3 -8 1 6 10000 09 46 00 09 48 30 --- 15 06 06 73.7 189.7 0.2 7.9 142 R 1 9000 09 48 30 3C310 15 06 06 73.1 180.9 0.0 0.7 -8 1 6 9000 09 48 30 09 52 00 --- 15 09 36 73.0 183.6 0.1 2.9 202 R 1 7600 09 52 00 J1453+2648 15 09 36 73.6 192.4 0.3 10.2 -8 1 6 7600 09 52 00 09 54 30 --- 15 12 07 73.5 194.4 0.3 11.7 142 R 1 6600 09 54 30 3C310 15 12 07 73.0 185.5 0.1 4.5 -8 1 6 6600 09 54 30 09 58 00 --- 15 15 37 72.9 188.2 0.2 6.6 202 R 1 5200 09 58 00 J1453+2648 15 15 37 73.3 197.0 0.4 13.9 -8 1 6 5200 09 58 00 10 00 30 --- 15 18 08 73.1 198.9 0.4 15.4 142 R 1 4200 10 00 30 3C310 15 18 08 72.9 190.1 0.2 8.2 -8 1 6 4200 10 00 30 10 04 30 --- 15 22 08 72.7 193.1 0.3 10.6 232 R 1 2600 10 04 30 J1453+2648 15 22 08 72.9 201.8 0.5 17.8 -8 1 6 2600 10 04 30 10 07 00 --- 15 24 39 72.7 203.6 0.5 19.2 142 R 1 1600 10 07 00 3C310 15 24 39 72.6 194.9 0.3 12.1 -8 1 6 1600 10 07 00 10 11 00 --- 15 28 39 72.4 197.8 0.4 14.5 232 R 1 0 10 13 00 J1453+2648 15 30 40 72.2 207.8 0.6 22.5 111 1 7 0 10 13 00 10 15 30 --- 15 33 10 72.0 209.5 0.7 23.8 150 F 1 1000 10 15 30 3C310 15 33 10 72.1 201.0 0.5 17.0 -8 1 7 1000 10 15 30 10 19 30 --- 15 37 11 71.8 203.8 0.5 19.2 232 F 1 2600 10 19 30 J1453+2648 15 37 11 71.6 212.1 0.7 25.8 -8 1 7 2600 10 19 30 10 22 00 --- 15 39 41 71.4 213.7 0.8 27.0 142 F 1 3600 10 22 00 3C310 15 39 41 71.7 205.5 0.6 20.5 -7 1 7 3600 10 22 00 10 26 00 --- 15 43 42 71.3 208.1 0.6 22.6 233 F 1 5200 Schedule for VLBA_HN (Code Hn ) 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 15 43 42 71.0 216.1 0.8 28.9 -7 1 7 5200 10 26 00 10 28 30 --- 15 46 12 70.7 217.6 0.9 30.0 143 F 1 6200 10 28 30 3C310 15 46 12 71.1 209.8 0.7 23.8 -7 1 7 6200 10 28 30 10 32 00 --- 15 49 43 70.8 211.9 0.7 25.5 203 F 1 7600 10 32 00 J1453+2648 15 49 43 70.3 219.6 0.9 31.5 -7 1 7 7600 10 32 00 10 34 30 --- 15 52 13 70.0 221.0 1.0 32.6 143 F 1 8600 10 34 30 3C310 15 52 13 70.5 213.5 0.8 26.7 -7 1 7 8600 10 34 30 10 38 00 --- 15 55 44 70.2 215.5 0.8 28.3 203 F 1 10000 10 38 00 J1453+2648 15 55 44 69.6 222.9 1.0 33.9 -7 1 7 10000 10 38 00 10 40 30 --- 15 58 14 69.2 224.2 1.1 34.9 143 F 1 11000 10 40 30 3C310 15 58 14 69.9 217.0 0.9 29.4 -7 1 7 11000 10 40 30 10 44 00 --- 16 01 45 69.5 219.0 0.9 30.8 203 F 1 12400 10 44 00 J1453+2648 16 01 45 68.8 226.0 1.1 36.2 -7 1 7 12400 10 44 00 10 46 30 --- 16 04 15 68.5 227.2 1.2 37.0 143 F 1 13400 10 46 30 3C310 16 04 15 69.2 220.3 1.0 31.8 -7 1 7 13400 10 46 30 10 50 30 --- 16 08 16 68.7 222.4 1.1 33.3 233 F 1 15000 10 50 30 J1453+2648 16 08 16 67.9 229.1 1.2 38.3 -6 1 7 15000 10 50 30 10 53 00 --- 16 10 46 67.6 230.3 1.3 39.1 144 F 1 16000 10 53 00 3C310 16 10 46 68.4 223.7 1.1 34.3 -6 1 7 16000 10 53 00 10 57 00 --- 16 14 47 67.9 225.7 1.2 35.7 234 F 1 17600 10 59 00 OQ208 16 16 47 60.2 251.6 2.2 52.2 101 1 8 17600 10 59 00 11 00 30 --- 16 18 18 59.9 252.0 2.2 52.4 90 R 1 17000 11 00 30 J1453+2648 16 18 18 66.5 233.6 1.4 41.3 -15 1 8 17000 11 00 30 11 02 30 --- 16 20 18 66.2 234.4 1.4 41.8 105 R 1 16200 11 02 30 3C310 16 20 18 67.1 228.3 1.3 37.5 -6 1 8 16200 11 02 30 11 05 30 --- 16 23 18 66.7 229.7 1.3 38.4 174 R 1 15000 11 05 30 J1453+2648 16 23 18 65.7 235.6 1.5 42.6 -6 1 8 15000 11 05 30 11 07 00 --- 16 24 49 65.5 236.2 1.5 43.0 84 R 1 14400 11 07 00 3C310 16 24 49 66.5 230.3 1.3 38.8 -6 1 8 14400 11 07 00 11 10 00 --- 16 27 49 66.1 231.6 1.4 39.7 174 R 1 13200 Schedule for VLBA_HN (Code Hn ) 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 16 27 49 65.0 237.4 1.6 43.7 -6 1 8 13200 11 10 00 11 11 30 --- 16 29 19 64.8 237.9 1.6 44.0 84 R 1 12600 11 11 30 3C310 16 29 19 65.9 232.3 1.4 40.1 -6 1 8 12600 11 11 30 11 14 30 --- 16 32 20 65.4 233.5 1.5 40.9 174 R 1 11400 11 14 30 J1453+2648 16 32 20 64.3 239.1 1.6 44.7 -6 1 8 11400 11 14 30 11 16 00 --- 16 33 50 64.1 239.6 1.7 45.0 84 R 1 10800 11 16 00 3C310 16 33 50 65.2 234.1 1.5 41.3 -6 1 8 10800 11 16 00 11 19 00 --- 16 36 51 64.8 235.3 1.5 42.1 174 R 1 9600 11 19 00 J1453+2648 16 36 51 63.6 240.7 1.7 45.7 -6 1 8 9600 11 19 00 11 20 30 --- 16 38 21 63.4 241.2 1.7 46.0 84 R 1 9000 11 20 30 3C310 16 38 21 64.5 235.9 1.6 42.4 -6 1 8 9000 11 20 30 11 23 30 --- 16 41 21 64.1 237.0 1.6 43.1 174 R 1 7800 11 23 30 J1453+2648 16 41 21 62.9 242.2 1.8 46.5 -5 1 8 7800 11 23 30 11 25 00 --- 16 42 52 62.6 242.7 1.8 46.8 85 R 1 7200 11 25 00 3C310 16 42 52 63.8 237.6 1.6 43.5 -5 1 8 7200 11 25 00 11 28 00 --- 16 45 52 63.4 238.7 1.7 44.1 175 R 1 6000 11 28 00 J1453+2648 16 45 52 62.2 243.7 1.9 47.4 -5 1 8 6000 11 28 00 11 29 30 --- 16 47 22 61.9 244.2 1.9 47.6 85 R 1 5400 11 29 30 3C310 16 47 22 63.1 239.2 1.7 44.4 -5 1 8 5400 11 29 30 11 32 30 --- 16 50 23 62.7 240.3 1.8 45.0 175 R 1 4200 11 32 30 J1453+2648 16 50 23 61.4 245.2 1.9 48.1 -5 1 8 4200 11 32 30 11 34 00 --- 16 51 53 61.2 245.6 2.0 48.3 85 R 1 3600 11 34 00 3C310 16 51 53 62.4 240.8 1.8 45.3 -5 1 8 3600 11 34 00 11 37 00 --- 16 54 54 61.9 241.8 1.8 45.9 175 R 1 2400 11 37 00 J1453+2648 16 54 54 60.7 246.5 2.0 48.8 -5 1 8 2400 11 37 00 11 38 30 --- 16 56 24 60.4 247.0 2.0 49.0 85 R 1 1800 11 38 30 3C310 16 56 24 61.7 242.3 1.9 46.2 -5 1 8 1800 11 38 30 11 41 30 --- 16 59 24 61.2 243.3 1.9 46.7 175 R 1 600 11 41 30 J1453+2648 16 59 24 59.9 247.9 2.1 49.4 -5 1 8 600 11 41 30 11 43 00 --- 17 00 55 59.6 248.3 2.1 49.7 85 R 1 0 Schedule for VLBA_HN (Code Hn ) 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 17 02 55 52.0 262.3 2.9 55.6 103 1 9 0 11 45 00 11 46 30 --- 17 04 25 51.7 262.6 3.0 55.7 90 F 1 600 11 46 30 J1453+2648 17 04 25 59.0 249.3 2.2 50.1 -17 1 9 600 11 46 30 11 48 30 --- 17 06 25 58.7 249.8 2.2 50.4 103 F 1 1400 11 48 30 3C310 17 06 25 60.1 245.5 2.0 47.8 -5 1 9 1400 11 48 30 11 51 30 --- 17 09 26 59.5 246.4 2.1 48.3 175 F 1 2600 11 51 30 J1453+2648 17 09 26 58.2 250.7 2.3 50.7 -5 1 9 2600 11 51 30 11 53 00 --- 17 10 56 57.9 251.1 2.3 50.9 85 F 1 3200 11 53 00 3C310 17 10 56 59.3 246.8 2.1 48.5 -5 1 9 3200 11 53 00 11 56 00 --- 17 13 57 58.8 247.7 2.1 48.9 175 F 1 4400 11 56 00 J1453+2648 17 13 57 57.4 251.8 2.3 51.2 -5 1 9 4400 11 56 00 11 57 30 --- 17 15 27 57.1 252.2 2.4 51.4 85 F 1 5000 11 57 30 3C310 17 15 27 58.5 248.1 2.2 49.1 -5 1 9 5000 11 57 30 12 00 30 --- 17 18 27 58.0 249.0 2.2 49.5 175 F 1 6200 12 00 30 J1453+2648 17 18 27 56.6 253.0 2.4 51.7 -5 1 9 6200 12 00 30 12 02 00 --- 17 19 58 56.3 253.4 2.4 51.8 85 F 1 6800 12 02 00 3C310 17 19 58 57.8 249.4 2.2 49.7 -5 1 9 6800 12 02 00 12 05 00 --- 17 22 58 57.2 250.2 2.3 50.0 175 F 1 8000 12 05 00 J1453+2648 17 22 58 55.8 254.1 2.5 52.1 -5 1 9 8000 12 05 00 12 06 30 --- 17 24 28 55.6 254.5 2.5 52.2 85 F 1 8600 12 06 30 3C310 17 24 28 57.0 250.6 2.3 50.2 -5 1 9 8600 12 06 30 12 09 30 --- 17 27 29 56.5 251.4 2.4 50.5 175 F 1 9800 12 09 30 J1453+2648 17 27 29 55.0 255.2 2.6 52.5 -5 1 9 9800 12 09 30 12 11 00 --- 17 28 59 54.8 255.6 2.6 52.6 85 F 1 10400 12 11 00 3C310 17 28 59 56.2 251.7 2.4 50.7 -5 1 9 10400 12 11 00 12 14 00 --- 17 32 00 55.7 252.5 2.5 51.0 175 F 1 11600 12 14 00 J1453+2648 17 32 00 54.2 256.3 2.6 52.8 -5 1 9 11600 12 14 00 12 15 30 --- 17 33 30 54.0 256.6 2.7 52.9 85 F 1 12200 12 15 30 3C310 17 33 30 55.4 252.9 2.5 51.1 -5 1 9 12200 12 15 30 12 18 30 --- 17 36 30 54.9 253.6 2.5 51.4 175 F 1 13400 Schedule for VLBA_HN (Code Hn ) 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 17 36 30 53.4 257.3 2.7 53.1 -5 1 9 13400 12 18 30 12 20 00 --- 17 38 01 53.1 257.6 2.7 53.2 85 F 1 14000 12 20 00 3C310 17 38 01 54.6 254.0 2.6 51.5 -5 1 9 14000 12 20 00 12 23 00 --- 17 41 01 54.1 254.7 2.6 51.8 175 F 1 15200 12 23 00 J1453+2648 17 41 01 52.6 258.3 2.8 53.4 -5 1 9 15200 12 23 00 12 24 30 --- 17 42 31 52.3 258.6 2.8 53.5 85 F 1 15800 12 24 30 3C310 17 42 31 53.8 255.1 2.6 51.9 -5 1 9 15800 12 24 30 12 27 30 --- 17 45 32 53.3 255.8 2.7 52.2 175 F 1 17000 12 27 30 J1453+2648 17 45 32 51.8 259.3 2.9 53.7 -5 1 9 17000 12 27 30 12 29 00 --- 17 47 02 51.5 259.6 2.9 53.8 85 F 1 17600 12 31 00 OQ208 17 49 02 43.6 270.8 3.7 56.4 102 1 10 17600 12 31 00 12 32 30 --- 17 50 33 43.3 271.0 3.7 56.4 90 R 1 17000 12 32 30 J1453+2648 17 50 33 50.9 260.3 2.9 54.0 -17 1 10 17000 12 32 30 12 34 30 --- 17 52 33 50.5 260.7 3.0 54.1 103 R 1 16200 12 34 30 3C310 17 52 33 52.0 257.4 2.8 52.6 -5 1 10 16200 12 34 30 12 37 30 --- 17 55 34 51.5 258.0 2.8 52.8 175 R 1 15000 12 37 30 J1453+2648 17 55 34 50.0 261.3 3.0 54.2 -5 1 10 15000 12 37 30 12 39 00 --- 17 57 04 49.7 261.7 3.1 54.3 85 R 1 14400 12 39 00 3C310 17 57 04 51.2 258.3 2.9 52.9 -5 1 10 14400 12 39 00 12 42 00 --- 18 00 04 50.7 259.0 2.9 53.1 175 R 1 13200 12 42 00 J1453+2648 18 00 04 49.2 262.3 3.1 54.4 -5 1 10 13200 12 42 00 12 43 30 --- 18 01 35 48.9 262.6 3.1 54.4 85 R 1 12600 12 43 30 3C310 18 01 35 50.4 259.3 2.9 53.2 -5 1 10 12600 12 43 30 12 46 30 --- 18 04 35 49.9 259.9 3.0 53.3 175 R 1 11400 12 46 30 J1453+2648 18 04 35 48.4 263.1 3.2 54.5 -5 1 10 11400 12 46 30 12 48 00 --- 18 06 05 48.1 263.4 3.2 54.6 85 R 1 10800 12 48 00 3C310 18 06 05 49.6 260.2 3.0 53.4 -5 1 10 10800 12 48 00 12 51 00 --- 18 09 06 49.1 260.9 3.1 53.5 175 R 1 9600 12 51 00 J1453+2648 18 09 06 47.5 264.0 3.3 54.7 -5 1 10 9600 12 51 00 12 52 30 --- 18 10 36 47.3 264.3 3.3 54.7 85 R 1 9000 Schedule for VLBA_HN (Code Hn ) 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 18 10 36 48.8 261.2 3.1 53.6 -5 1 10 9000 12 52 30 12 55 30 --- 18 13 36 48.3 261.8 3.1 53.7 175 R 1 7800 12 55 30 J1453+2648 18 13 36 46.7 264.9 3.3 54.8 -5 1 10 7800 12 55 30 12 57 00 --- 18 15 07 46.4 265.1 3.4 54.8 85 R 1 7200 12 57 00 3C310 18 15 07 48.0 262.1 3.2 53.8 -5 1 10 7200 12 57 00 13 00 00 --- 18 18 07 47.4 262.7 3.2 53.9 175 R 1 6000 13 00 00 J1453+2648 18 18 07 45.9 265.7 3.4 54.9 -5 1 10 6000 13 00 00 13 01 30 --- 18 19 37 45.6 266.0 3.4 54.9 85 R 1 5400 13 01 30 3C310 18 19 37 47.2 263.0 3.2 54.0 -5 1 10 5400 13 01 30 13 04 30 --- 18 22 38 46.6 263.5 3.3 54.0 175 R 1 4200 13 04 30 J1453+2648 18 22 38 45.1 266.5 3.5 55.0 -5 1 10 4200 13 04 30 13 06 00 --- 18 24 08 44.8 266.8 3.5 55.0 85 R 1 3600 13 06 00 3C310 18 24 08 46.3 263.8 3.3 54.1 -5 1 10 3600 13 06 00 13 09 00 --- 18 27 09 45.8 264.4 3.4 54.2 175 R 1 2400 13 09 00 J1453+2648 18 27 09 44.2 267.3 3.6 55.0 -5 1 10 2400 13 09 00 13 10 30 --- 18 28 39 44.0 267.6 3.6 55.0 85 R 1 1800 13 10 30 3C310 18 28 39 45.5 264.7 3.4 54.2 -5 1 10 1800 13 10 30 13 13 30 --- 18 31 39 45.0 265.2 3.4 54.3 175 R 1 600 13 13 30 J1453+2648 18 31 39 43.4 268.1 3.6 55.1 -5 1 10 600 13 13 30 13 15 00 --- 18 33 10 43.1 268.4 3.7 55.1 85 R 1 0 13 17 00 OQ208 18 35 10 35.1 278.1 4.5 55.5 102 1 11 0 13 17 00 13 18 30 --- 18 36 40 34.9 278.3 4.5 55.5 90 F 1 600 13 18 30 J1453+2648 18 36 40 42.5 269.0 3.7 55.1 -17 1 11 600 13 18 30 13 20 30 --- 18 38 41 42.1 269.4 3.7 55.1 103 F 1 1400 13 20 30 3C310 18 38 41 43.7 266.5 3.6 54.4 -5 1 11 1400 13 20 30 13 23 30 --- 18 41 41 43.1 267.1 3.6 54.4 175 F 1 2600 13 23 30 J1453+2648 18 41 41 41.6 269.9 3.8 55.1 -5 1 11 2600 13 23 30 13 25 00 --- 18 43 11 41.3 270.1 3.8 55.1 85 F 1 3200 13 25 00 3C310 18 43 11 42.9 267.3 3.6 54.5 -5 1 11 3200 13 25 00 13 28 00 --- 18 46 12 42.3 267.9 3.7 54.5 175 F 1 4400 Schedule for VLBA_HN (Code Hn ) 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 18 46 12 40.8 270.6 3.9 55.1 -5 1 11 4400 13 28 00 13 29 30 --- 18 47 42 40.5 270.9 3.9 55.1 85 F 1 5000 13 29 30 3C310 18 47 42 42.0 268.1 3.7 54.5 -5 1 11 5000 13 29 30 13 32 30 --- 18 50 43 41.5 268.7 3.8 54.5 175 F 1 6200 13 32 30 J1453+2648 18 50 43 39.9 271.4 3.9 55.1 -5 1 11 6200 13 32 30 13 34 00 --- 18 52 13 39.7 271.7 4.0 55.1 85 F 1 6800 13 34 00 3C310 18 52 13 41.2 268.9 3.8 54.5 -5 1 11 6800 13 34 00 13 37 00 --- 18 55 13 40.7 269.4 3.8 54.5 175 F 1 8000 13 37 00 J1453+2648 18 55 13 39.1 272.1 4.0 55.1 -5 1 11 8000 13 37 00 13 38 30 --- 18 56 44 38.8 272.4 4.0 55.0 85 F 1 8600 13 38 30 3C310 18 56 44 40.4 269.7 3.9 54.6 -5 1 11 8600 13 38 30 13 41 30 --- 18 59 44 39.8 270.2 3.9 54.6 175 F 1 9800 13 41 30 J1453+2648 18 59 44 38.3 272.9 4.1 55.0 -5 1 11 9800 13 41 30 13 43 00 --- 19 01 14 38.0 273.1 4.1 55.0 85 F 1 10400 13 43 00 3C310 19 01 14 39.6 270.5 3.9 54.5 -5 1 11 10400 13 43 00 13 46 00 --- 19 04 15 39.0 271.0 4.0 54.5 175 F 1 11600 13 46 00 J1453+2648 19 04 15 37.5 273.6 4.2 54.9 -5 1 11 11600 13 46 00 13 47 30 --- 19 05 45 37.2 273.9 4.2 54.9 85 F 1 12200 13 47 30 3C310 19 05 45 38.7 271.2 4.0 54.5 -5 1 11 12200 13 47 30 13 50 30 --- 19 08 46 38.2 271.7 4.1 54.5 175 F 1 13400 13 50 30 J1453+2648 19 08 46 36.6 274.3 4.2 54.9 -5 1 11 13400 13 50 30 13 52 00 --- 19 10 16 36.4 274.6 4.3 54.8 85 F 1 14000 13 52 00 3C310 19 10 16 37.9 272.0 4.1 54.5 -5 1 11 14000 13 52 00 13 55 00 --- 19 13 16 37.4 272.5 4.1 54.5 175 F 1 15200 13 55 00 J1453+2648 19 13 16 35.8 275.1 4.3 54.8 -5 1 11 15200 13 55 00 13 56 30 --- 19 14 46 35.5 275.3 4.3 54.8 85 F 1 15800 13 56 30 3C310 19 14 46 37.1 272.7 4.2 54.5 -5 1 11 15800 13 56 30 13 59 30 --- 19 17 47 36.5 273.2 4.2 54.4 175 F 1 17000 13 59 30 J1453+2648 19 17 47 35.0 275.8 4.4 54.7 -5 1 11 17000 13 59 30 14 01 00 --- 19 19 17 34.7 276.0 4.4 54.7 85 F 1 17600 Schedule for VLBA_HN (Code Hn ) 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 19 21 18 26.9 284.9 5.2 53.6 102 1 12 17600 14 03 00 14 04 30 --- 19 22 48 26.6 285.2 5.3 53.5 90 R 1 17000 14 04 30 J1453+2648 19 22 48 34.1 276.6 4.5 54.6 -17 1 12 17000 14 04 30 14 06 30 --- 19 24 48 33.7 276.9 4.5 54.5 103 R 1 16200 14 06 30 3C310 19 24 48 35.3 274.3 4.3 54.3 -5 1 12 16200 14 06 30 14 09 30 --- 19 27 49 34.7 274.8 4.4 54.3 175 R 1 15000 14 09 30 J1453+2648 19 27 49 33.2 277.3 4.6 54.4 -5 1 12 15000 14 09 30 14 11 00 --- 19 29 19 32.9 277.6 4.6 54.4 85 R 1 14400 14 11 00 3C310 19 29 19 34.4 275.1 4.4 54.2 -5 1 12 14400 14 11 00 14 14 00 --- 19 32 19 33.9 275.5 4.5 54.2 175 R 1 13200 14 14 00 J1453+2648 19 32 19 32.3 278.0 4.6 54.3 -5 1 12 13200 14 14 00 14 15 30 --- 19 33 50 32.1 278.3 4.7 54.3 85 R 1 12600 14 15 30 3C310 19 33 50 33.6 275.8 4.5 54.1 -5 1 12 12600 14 15 30 14 18 30 --- 19 36 50 33.1 276.3 4.5 54.1 175 R 1 11400 14 18 30 J1453+2648 19 36 50 31.5 278.7 4.7 54.2 -5 1 12 11400 14 18 30 14 20 00 --- 19 38 20 31.3 279.0 4.7 54.1 85 R 1 10800 14 20 00 3C310 19 38 20 32.8 276.5 4.6 54.0 -5 1 12 10800 14 20 00 14 23 00 --- 19 41 21 32.2 277.0 4.6 54.0 175 R 1 9600 14 23 00 J1453+2648 19 41 21 30.7 279.4 4.8 54.0 -5 1 12 9600 14 23 00 14 24 30 --- 19 42 51 30.4 279.7 4.8 54.0 85 R 1 9000 14 24 30 3C310 19 42 51 32.0 277.2 4.6 53.9 -5 1 12 9000 14 24 30 14 27 30 --- 19 45 52 31.4 277.7 4.7 53.8 175 R 1 7800 14 27 30 J1453+2648 19 45 52 29.9 280.1 4.9 53.9 -5 1 12 7800 14 27 30 14 29 00 --- 19 47 22 29.6 280.3 4.9 53.8 85 R 1 7200 14 29 00 3C310 19 47 22 31.2 277.9 4.7 53.8 -5 1 12 7200 14 29 00 14 32 00 --- 19 50 22 30.6 278.4 4.8 53.7 175 R 1 6000 14 32 00 J1453+2648 19 50 22 29.1 280.8 4.9 53.7 -5 1 12 6000 14 32 00 14 33 30 --- 19 51 53 28.8 281.0 5.0 53.6 85 R 1 5400 14 33 30 3C310 19 51 53 30.3 278.6 4.8 53.7 -5 1 12 5400 14 33 30 14 36 30 --- 19 54 53 29.8 279.1 4.8 53.6 175 R 1 4200 Schedule for VLBA_HN (Code Hn ) 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 19 54 53 28.3 281.5 5.0 53.5 -5 1 12 4200 14 36 30 14 38 00 --- 19 56 23 28.0 281.7 5.0 53.4 85 R 1 3600 14 38 00 3C310 19 56 23 29.5 279.3 4.9 53.5 -5 1 12 3600 14 38 00 14 41 00 --- 19 59 24 29.0 279.8 4.9 53.4 175 R 1 2400 14 41 00 J1453+2648 19 59 24 27.5 282.2 5.1 53.3 -5 1 12 2400 14 41 00 14 42 30 --- 20 00 54 27.2 282.4 5.1 53.2 85 R 1 1800 14 42 30 3C310 20 00 54 28.7 280.0 4.9 53.4 -5 1 12 1800 14 42 30 14 45 30 --- 20 03 55 28.2 280.4 5.0 53.2 175 R 1 600 14 45 30 J1453+2648 20 03 55 26.7 282.8 5.2 53.1 -5 1 12 600 14 45 30 14 47 00 --- 20 05 25 26.4 283.1 5.2 53.0 85 R 1 0 14 49 00 OQ208 20 07 25 18.9 291.7 6.0 50.7 103 1 13 0 14 49 00 14 50 30 --- 20 08 55 18.6 291.9 6.0 50.6 90 F 1 600 14 50 30 J1453+2648 20 08 55 25.8 283.6 5.2 52.9 -16 1 13 600 14 50 30 14 52 30 --- 20 10 56 25.4 283.9 5.3 52.8 104 F 1 1400 14 52 30 3C310 20 10 56 26.9 281.5 5.1 53.0 -5 1 13 1400 14 52 30 14 55 30 --- 20 13 56 26.4 282.0 5.1 52.8 175 F 1 2600 14 55 30 J1453+2648 20 13 56 24.9 284.3 5.3 52.6 -5 1 13 2600 14 55 30 14 57 00 --- 20 15 26 24.6 284.6 5.4 52.6 85 F 1 3200 14 57 00 3C310 20 15 26 26.1 282.2 5.2 52.8 -5 1 13 3200 14 57 00 15 00 00 --- 20 18 27 25.6 282.7 5.2 52.6 175 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