COVER INFORMATION Station: VLBA_NL (Code Nl ) 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_NL (Code Nl ) 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 09 35 33 24.9 75.4 -5.3 -54.0 0 1 1 0 05 37 00 05 39 30 --- 09 38 04 25.3 75.7 -5.3 -54.1 150 F 1 1000 05 39 30 3C310 09 38 04 22.9 74.8 -5.4 -53.2 -7 1 1 1000 05 39 30 05 43 30 --- 09 42 04 23.6 75.4 -5.4 -53.4 233 F 1 2600 05 43 30 J1453+2648 09 42 04 26.1 76.3 -5.2 -54.3 -7 1 1 2600 05 43 30 05 46 00 --- 09 44 35 26.5 76.7 -5.2 -54.4 143 F 1 3600 05 46 00 3C310 09 44 35 24.0 75.8 -5.3 -53.6 -7 1 1 3600 05 46 00 05 50 00 --- 09 48 36 24.8 76.4 -5.3 -53.8 233 F 1 5200 05 50 00 J1453+2648 09 48 36 27.2 77.3 -5.1 -54.6 -7 1 1 5200 05 50 00 05 52 30 --- 09 51 06 27.7 77.6 -5.0 -54.7 143 F 1 6200 05 52 30 3C310 09 51 06 25.2 76.7 -5.2 -53.9 -7 1 1 6200 05 52 30 05 56 00 --- 09 54 37 25.9 77.3 -5.2 -54.0 203 F 1 7600 05 56 00 J1453+2648 09 54 37 28.3 78.2 -5.0 -54.9 -7 1 1 7600 05 56 00 05 58 30 --- 09 57 07 28.8 78.5 -4.9 -55.0 143 F 1 8600 05 58 30 3C310 09 57 07 26.3 77.6 -5.1 -54.2 -7 1 1 8600 05 58 30 06 02 00 --- 10 00 38 27.0 78.1 -5.1 -54.3 203 F 1 10000 06 02 00 J1453+2648 10 00 38 29.4 79.0 -4.9 -55.1 -7 1 1 10000 06 02 00 06 04 30 --- 10 03 08 29.9 79.4 -4.8 -55.2 143 F 1 11000 06 04 30 3C310 10 03 08 27.4 78.5 -5.0 -54.4 -7 1 1 11000 06 04 30 06 08 00 --- 10 06 39 28.1 79.0 -5.0 -54.6 203 F 1 12400 06 08 00 J1453+2648 10 06 39 30.5 79.9 -4.8 -55.4 -7 1 1 12400 06 08 00 06 10 30 --- 10 09 09 31.0 80.3 -4.7 -55.4 143 F 1 13400 06 10 30 3C310 10 09 09 28.5 79.4 -4.9 -54.7 -7 1 1 13400 06 10 30 06 14 30 --- 10 13 10 29.2 80.0 -4.9 -54.8 233 F 1 15000 06 14 30 J1453+2648 10 13 10 31.7 80.9 -4.7 -55.6 -7 1 1 15000 06 14 30 06 17 00 --- 10 15 40 32.2 81.3 -4.6 -55.7 143 F 1 16000 Schedule for VLBA_NL (Code Nl ) 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 10 15 40 29.7 80.4 -4.8 -54.9 -7 1 1 16000 06 17 00 06 21 00 --- 10 19 41 30.4 81.0 -4.8 -55.0 233 F 1 17600 06 23 00 J1453+2648 10 21 41 33.3 82.1 -4.5 -55.9 112 1 2 17600 06 23 00 06 25 30 --- 10 24 11 33.8 82.5 -4.5 -55.9 150 R 1 16600 06 25 30 3C310 10 24 11 31.3 81.6 -4.7 -55.2 -7 1 2 16600 06 25 30 06 29 30 --- 10 28 12 32.0 82.2 -4.6 -55.3 233 R 1 15000 06 29 30 J1453+2648 10 28 12 34.5 83.1 -4.4 -56.1 -7 1 2 15000 06 29 30 06 32 00 --- 10 30 42 35.0 83.5 -4.4 -56.1 143 R 1 14000 06 32 00 3C310 10 30 42 32.5 82.6 -4.6 -55.4 -7 1 2 14000 06 32 00 06 36 00 --- 10 34 43 33.2 83.2 -4.5 -55.5 233 R 1 12400 06 36 00 J1453+2648 10 34 43 35.7 84.1 -4.3 -56.2 -7 1 2 12400 06 36 00 06 38 30 --- 10 37 14 36.2 84.5 -4.3 -56.3 143 R 1 11400 06 38 30 3C310 10 37 14 33.7 83.6 -4.5 -55.6 -7 1 2 11400 06 38 30 06 42 00 --- 10 40 44 34.3 84.2 -4.4 -55.6 203 R 1 10000 06 42 00 J1453+2648 10 40 44 36.8 85.0 -4.2 -56.4 -7 1 2 10000 06 42 00 06 44 30 --- 10 43 15 37.3 85.4 -4.2 -56.4 143 R 1 9000 06 44 30 3C310 10 43 15 34.8 84.5 -4.4 -55.7 -7 1 2 9000 06 44 30 06 48 00 --- 10 46 45 35.5 85.1 -4.3 -55.8 203 R 1 7600 06 48 00 J1453+2648 10 46 45 38.0 86.0 -4.1 -56.5 -7 1 2 7600 06 48 00 06 50 30 --- 10 49 16 38.4 86.4 -4.1 -56.5 143 R 1 6600 06 50 30 3C310 10 49 16 35.9 85.5 -4.3 -55.8 -7 1 2 6600 06 50 30 06 54 00 --- 10 52 46 36.6 86.0 -4.2 -55.9 203 R 1 5200 06 54 00 J1453+2648 10 52 46 39.1 86.9 -4.0 -56.6 -7 1 2 5200 06 54 00 06 56 30 --- 10 55 16 39.5 87.3 -4.0 -56.6 143 R 1 4200 06 56 30 3C310 10 55 16 37.0 86.4 -4.2 -55.9 -7 1 2 4200 06 56 30 07 00 30 --- 10 59 17 37.8 87.0 -4.1 -56.0 233 R 1 2600 07 00 30 J1453+2648 10 59 17 40.3 88.0 -3.9 -56.6 -7 1 2 2600 07 00 30 07 03 00 --- 11 01 48 40.8 88.4 -3.9 -56.6 143 R 1 1600 07 03 00 3C310 11 01 48 38.3 87.4 -4.1 -56.0 -7 1 2 1600 07 03 00 07 07 00 --- 11 05 48 39.0 88.1 -4.0 -56.0 233 R 1 0 Schedule for VLBA_NL (Code Nl ) 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 11 07 49 41.9 89.4 -3.8 -56.7 112 1 3 0 07 09 00 07 11 30 --- 11 10 19 42.3 89.8 -3.7 -56.7 150 F 1 1000 07 11 30 3C310 11 10 19 39.8 88.8 -3.9 -56.1 -7 1 3 1000 07 11 30 07 15 30 --- 11 14 20 40.6 89.5 -3.8 -56.1 233 F 1 2600 07 15 30 J1453+2648 11 14 20 43.1 90.4 -3.7 -56.7 -7 1 3 2600 07 15 30 07 18 00 --- 11 16 50 43.6 90.9 -3.6 -56.7 143 F 1 3600 07 18 00 3C310 11 16 50 41.1 89.9 -3.8 -56.1 -7 1 3 3600 07 18 00 07 22 00 --- 11 20 51 41.8 90.6 -3.7 -56.1 233 F 1 5200 07 22 00 J1453+2648 11 20 51 44.3 91.5 -3.6 -56.6 -7 1 3 5200 07 22 00 07 24 30 --- 11 23 21 44.8 92.0 -3.5 -56.6 143 F 1 6200 07 24 30 3C310 11 23 21 42.3 91.0 -3.7 -56.1 -7 1 3 6200 07 24 30 07 28 00 --- 11 26 52 42.9 91.6 -3.6 -56.1 203 F 1 7600 07 28 00 J1453+2648 11 26 52 45.4 92.6 -3.5 -56.6 -7 1 3 7600 07 28 00 07 30 30 --- 11 29 22 45.9 93.0 -3.4 -56.6 143 F 1 8600 07 30 30 3C310 11 29 22 43.4 92.0 -3.6 -56.0 -7 1 3 8600 07 30 30 07 34 00 --- 11 32 53 44.0 92.6 -3.5 -56.0 203 F 1 10000 07 34 00 J1453+2648 11 32 53 46.5 93.7 -3.4 -56.5 -7 1 3 10000 07 34 00 07 36 30 --- 11 35 23 47.0 94.1 -3.3 -56.5 143 F 1 11000 07 36 30 3C310 11 35 23 44.5 93.1 -3.5 -56.0 -7 1 3 11000 07 36 30 07 40 00 --- 11 38 54 45.2 93.7 -3.4 -55.9 203 F 1 12400 07 40 00 J1453+2648 11 38 54 47.7 94.7 -3.3 -56.4 -7 1 3 12400 07 40 00 07 42 30 --- 11 41 24 48.1 95.2 -3.2 -56.3 143 F 1 13400 07 42 30 3C310 11 41 24 45.6 94.1 -3.4 -55.9 -7 1 3 13400 07 42 30 07 46 30 --- 11 45 25 46.4 94.9 -3.3 -55.8 233 F 1 15000 07 46 30 J1453+2648 11 45 25 48.9 96.0 -3.1 -56.2 -7 1 3 15000 07 46 30 07 49 00 --- 11 47 55 49.3 96.4 -3.1 -56.1 143 F 1 16000 07 49 00 3C310 11 47 55 46.8 95.3 -3.3 -55.7 -7 1 3 16000 07 49 00 07 53 00 --- 11 51 56 47.6 96.1 -3.2 -55.6 233 F 1 17600 07 55 00 J1453+2648 11 53 56 50.5 97.6 -3.0 -55.9 112 1 4 17600 07 55 00 07 57 30 --- 11 56 27 50.9 98.1 -3.0 -55.8 150 R 1 16600 Schedule for VLBA_NL (Code Nl ) 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 11 56 27 48.4 96.9 -3.1 -55.5 -7 1 4 16600 07 57 30 08 01 30 --- 12 00 27 49.2 97.7 -3.1 -55.3 233 R 1 15000 08 01 30 J1453+2648 12 00 27 51.7 98.9 -2.9 -55.6 -7 1 4 15000 08 01 30 08 04 00 --- 12 02 58 52.1 99.4 -2.8 -55.5 143 R 1 14000 08 04 00 3C310 12 02 58 49.6 98.2 -3.0 -55.2 -7 1 4 14000 08 04 00 08 08 00 --- 12 06 58 50.4 99.0 -3.0 -55.0 233 R 1 12400 08 08 00 J1453+2648 12 06 58 52.9 100.2 -2.8 -55.3 -7 1 4 12400 08 08 00 08 10 30 --- 12 09 29 53.3 100.8 -2.7 -55.2 143 R 1 11400 08 10 30 3C310 12 09 29 50.8 99.5 -2.9 -54.9 -7 1 4 11400 08 10 30 08 14 00 --- 12 12 59 51.5 100.2 -2.9 -54.7 203 R 1 10000 08 14 00 J1453+2648 12 12 59 54.0 101.5 -2.7 -55.0 -7 1 4 10000 08 14 00 08 16 30 --- 12 15 30 54.4 102.1 -2.6 -54.8 143 R 1 9000 08 16 30 3C310 12 15 30 51.9 100.8 -2.8 -54.6 -7 1 4 9000 08 16 30 08 20 00 --- 12 19 00 52.6 101.5 -2.8 -54.4 203 R 1 7600 08 20 00 J1453+2648 12 19 00 55.1 102.9 -2.6 -54.5 -7 1 4 7600 08 20 00 08 22 30 --- 12 21 31 55.5 103.4 -2.5 -54.4 143 R 1 6600 08 22 30 3C310 12 21 31 53.0 102.1 -2.7 -54.2 -7 1 4 6600 08 22 30 08 26 00 --- 12 25 01 53.7 102.8 -2.7 -54.0 203 R 1 5200 08 26 00 J1453+2648 12 25 01 56.1 104.2 -2.5 -54.1 -7 1 4 5200 08 26 00 08 28 30 --- 12 27 32 56.6 104.8 -2.4 -53.9 143 R 1 4200 08 28 30 3C310 12 27 32 54.1 103.4 -2.6 -53.8 -7 1 4 4200 08 28 30 08 32 30 --- 12 31 32 54.9 104.3 -2.6 -53.5 233 R 1 2600 08 32 30 J1453+2648 12 31 32 57.3 105.8 -2.4 -53.5 -7 1 4 2600 08 32 30 08 35 00 --- 12 34 03 57.8 106.4 -2.3 -53.3 143 R 1 1600 08 35 00 3C310 12 34 03 55.3 104.9 -2.5 -53.3 -7 1 4 1600 08 35 00 08 39 00 --- 12 38 03 56.0 105.9 -2.4 -53.0 233 R 1 0 08 41 00 J1453+2648 12 40 04 58.8 108.0 -2.2 -52.6 112 1 5 0 08 41 00 08 43 30 --- 12 42 34 59.3 108.6 -2.2 -52.3 150 F 1 1000 08 43 30 3C310 12 42 34 56.8 107.0 -2.4 -52.5 -7 1 5 1000 08 43 30 08 47 30 --- 12 46 35 57.5 108.0 -2.3 -52.1 233 F 1 2600 Schedule for VLBA_NL (Code Nl ) 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 12 46 35 60.0 109.7 -2.1 -51.9 -7 1 5 2600 08 47 30 08 50 00 --- 12 49 05 60.4 110.4 -2.1 -51.5 143 F 1 3600 08 50 00 3C310 12 49 05 58.0 108.6 -2.3 -51.8 -7 1 5 3600 08 50 00 08 54 00 --- 12 53 06 58.7 109.7 -2.2 -51.4 233 F 1 5200 08 54 00 J1453+2648 12 53 06 61.1 111.6 -2.0 -51.0 -7 1 5 5200 08 54 00 08 56 30 --- 12 55 36 61.6 112.3 -2.0 -50.6 143 F 1 6200 08 56 30 3C310 12 55 36 59.1 110.4 -2.2 -51.1 -7 1 5 6200 08 56 30 09 00 00 --- 12 59 07 59.7 111.4 -2.1 -50.6 203 F 1 7600 09 00 00 J1453+2648 12 59 07 62.2 113.4 -1.9 -50.1 -7 1 5 7600 09 00 00 09 02 30 --- 13 01 37 62.6 114.1 -1.9 -49.7 143 F 1 8600 09 02 30 3C310 13 01 37 60.2 112.1 -2.1 -50.3 -7 1 5 8600 09 02 30 09 06 00 --- 13 05 08 60.8 113.1 -2.0 -49.7 203 F 1 10000 09 06 00 J1453+2648 13 05 08 63.2 115.3 -1.8 -49.1 -7 1 5 10000 09 06 00 09 08 30 --- 13 07 38 63.6 116.1 -1.8 -48.6 143 F 1 11000 09 08 30 3C310 13 07 38 61.2 113.9 -2.0 -49.4 -7 1 5 11000 09 08 30 09 12 00 --- 13 11 09 61.8 115.0 -1.9 -48.8 203 F 1 12400 09 12 00 J1453+2648 13 11 09 64.2 117.3 -1.7 -48.0 -7 1 5 12400 09 12 00 09 14 30 --- 13 13 39 64.6 118.1 -1.7 -47.5 143 F 1 13400 09 14 30 3C310 13 13 39 62.2 115.7 -1.9 -48.4 -7 1 5 13400 09 14 30 09 18 30 --- 13 17 40 62.9 117.1 -1.8 -47.7 233 F 1 15000 09 18 30 J1453+2648 13 17 40 65.3 119.6 -1.6 -46.6 -7 1 5 15000 09 18 30 09 21 00 --- 13 20 10 65.7 120.5 -1.6 -46.0 143 F 1 16000 09 21 00 3C310 13 20 10 63.3 117.9 -1.7 -47.2 -7 1 5 16000 09 21 00 09 25 00 --- 13 24 11 64.0 119.3 -1.7 -46.4 233 F 1 17600 09 27 00 J1453+2648 13 26 11 66.6 122.8 -1.5 -44.6 113 1 6 17600 09 27 00 09 29 30 --- 13 28 42 67.0 123.9 -1.4 -43.9 150 R 1 16600 09 29 30 3C310 13 28 42 64.7 120.9 -1.6 -45.4 -7 1 6 16600 09 29 30 09 33 30 --- 13 32 42 65.3 122.4 -1.5 -44.5 233 R 1 15000 09 33 30 J1453+2648 13 32 42 67.6 125.5 -1.4 -42.8 -7 1 6 15000 09 33 30 09 36 00 --- 13 35 13 68.0 126.6 -1.3 -42.1 143 R 1 14000 Schedule for VLBA_NL (Code Nl ) 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 13 35 13 65.7 123.4 -1.5 -43.8 -7 1 6 14000 09 36 00 09 40 00 --- 13 39 13 66.3 125.0 -1.4 -42.8 233 R 1 12400 09 40 00 J1453+2648 13 39 13 68.6 128.5 -1.2 -40.9 -6 1 6 12400 09 40 00 09 42 30 --- 13 41 44 69.0 129.6 -1.2 -40.1 144 R 1 11400 09 42 30 3C310 13 41 44 66.7 126.1 -1.4 -42.1 -6 1 6 11400 09 42 30 09 46 00 --- 13 45 14 67.3 127.6 -1.3 -41.1 204 R 1 10000 09 46 00 J1453+2648 13 45 14 69.5 131.3 -1.1 -38.9 -6 1 6 10000 09 46 00 09 48 30 --- 13 47 45 69.8 132.6 -1.1 -38.0 144 R 1 9000 09 48 30 3C310 13 47 45 67.6 128.7 -1.3 -40.4 -6 1 6 9000 09 48 30 09 52 00 --- 13 51 15 68.1 130.3 -1.2 -39.3 204 R 1 7600 09 52 00 J1453+2648 13 51 15 70.3 134.4 -1.0 -36.6 -6 1 6 7600 09 52 00 09 54 30 --- 13 53 46 70.6 135.8 -1.0 -35.7 144 R 1 6600 09 54 30 3C310 13 53 46 68.5 131.5 -1.2 -38.4 -6 1 6 6600 09 54 30 09 58 00 --- 13 57 16 69.0 133.2 -1.1 -37.2 204 R 1 5200 09 58 00 J1453+2648 13 57 16 71.1 137.7 -0.9 -34.2 -6 1 6 5200 09 58 00 10 00 30 --- 13 59 47 71.4 139.2 -0.9 -33.1 144 R 1 4200 10 00 30 3C310 13 59 47 69.3 134.5 -1.1 -36.3 -6 1 6 4200 10 00 30 10 04 30 --- 14 03 47 69.8 136.6 -1.0 -34.8 234 R 1 2600 10 04 30 J1453+2648 14 03 47 71.8 141.6 -0.8 -31.3 -6 1 6 2600 10 04 30 10 07 00 --- 14 06 18 72.1 143.1 -0.8 -30.1 144 R 1 1600 10 07 00 3C310 14 06 18 70.1 137.9 -1.0 -33.8 -6 1 6 1600 10 07 00 10 11 00 --- 14 10 18 70.6 140.2 -0.9 -32.1 234 R 1 0 10 13 00 J1453+2648 14 12 19 72.8 147.0 -0.7 -27.0 113 1 7 0 10 13 00 10 15 30 --- 14 14 49 73.0 148.7 -0.7 -25.7 150 F 1 1000 10 15 30 3C310 14 14 49 71.2 142.8 -0.8 -30.1 -6 1 7 1000 10 15 30 10 19 30 --- 14 18 50 71.6 145.3 -0.8 -28.2 234 F 1 2600 10 19 30 J1453+2648 14 18 50 73.4 151.5 -0.6 -23.5 -6 1 7 2600 10 19 30 10 22 00 --- 14 21 20 73.6 153.4 -0.5 -22.0 144 F 1 3600 10 22 00 3C310 14 21 20 71.9 146.9 -0.7 -27.0 -6 1 7 3600 10 22 00 10 26 00 --- 14 25 21 72.2 149.5 -0.7 -24.9 234 F 1 5200 Schedule for VLBA_NL (Code Nl ) 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 14 25 21 73.9 156.4 -0.5 -19.6 -7 1 7 5200 10 26 00 10 28 30 --- 14 27 51 74.1 158.3 -0.4 -18.0 143 F 1 6200 10 28 30 3C310 14 27 51 72.5 151.2 -0.6 -23.6 -7 1 7 6200 10 28 30 10 32 00 --- 14 31 22 72.8 153.6 -0.6 -21.6 203 F 1 7600 10 32 00 J1453+2648 14 31 22 74.3 161.0 -0.4 -15.8 -7 1 7 7600 10 32 00 10 34 30 --- 14 33 52 74.5 163.0 -0.3 -14.1 143 F 1 8600 10 34 30 3C310 14 33 52 73.0 155.4 -0.5 -20.2 -7 1 7 8600 10 34 30 10 38 00 --- 14 37 23 73.2 158.0 -0.5 -18.1 203 F 1 10000 10 38 00 J1453+2648 14 37 23 74.7 165.9 -0.3 -11.7 -7 1 7 10000 10 38 00 10 40 30 --- 14 39 53 74.8 168.0 -0.2 -10.0 143 F 1 11000 10 40 30 3C310 14 39 53 73.4 159.9 -0.4 -16.6 -7 1 7 11000 10 40 30 10 44 00 --- 14 43 24 73.6 162.5 -0.4 -14.4 203 F 1 12400 10 44 00 J1453+2648 14 43 24 74.9 171.0 -0.2 -7.5 -8 1 7 12400 10 44 00 10 46 30 --- 14 45 54 74.9 173.1 -0.1 -5.8 142 F 1 13400 10 46 30 3C310 14 45 54 73.8 164.5 -0.3 -12.8 -8 1 7 13400 10 46 30 10 50 30 --- 14 49 55 73.9 167.7 -0.3 -10.2 232 F 1 15000 10 50 30 J1453+2648 14 49 55 75.0 176.5 -0.1 -2.9 -8 1 7 15000 10 50 30 10 53 00 --- 14 52 25 75.0 178.7 0.0 -1.1 142 F 1 16000 10 53 00 3C310 14 52 25 74.0 169.7 -0.2 -8.5 -8 1 7 16000 10 53 00 10 57 00 --- 14 56 26 74.1 172.9 -0.1 -5.8 232 F 1 17600 10 59 00 OQ208 14 58 26 73.1 222.2 0.9 34.7 85 1 8 17600 10 59 00 11 00 30 --- 14 59 57 72.9 223.1 0.9 35.4 90 R 1 17000 11 00 30 J1453+2648 14 59 57 75.0 185.2 0.1 4.3 -27 1 8 17000 11 00 30 11 02 30 --- 15 01 57 74.9 186.9 0.1 5.8 93 R 1 16200 11 02 30 3C310 15 01 57 74.2 177.5 -0.1 -2.1 -8 1 8 16200 11 02 30 11 05 30 --- 15 04 57 74.2 180.0 0.0 0.0 172 R 1 15000 11 05 30 J1453+2648 15 04 57 74.9 189.5 0.2 7.9 -8 1 8 15000 11 05 30 11 07 00 --- 15 06 28 74.8 190.7 0.2 8.9 82 R 1 14400 11 07 00 3C310 15 06 28 74.2 181.2 0.0 1.0 -8 1 8 14400 11 07 00 11 10 00 --- 15 09 28 74.2 183.7 0.1 3.1 172 R 1 13200 Schedule for VLBA_NL (Code Nl ) 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 15 09 28 74.7 193.2 0.3 11.0 -8 1 8 13200 11 10 00 11 11 30 --- 15 10 58 74.6 194.5 0.3 12.1 82 R 1 12600 11 11 30 3C310 15 10 58 74.2 184.9 0.1 4.1 -8 1 8 12600 11 11 30 11 14 30 --- 15 13 59 74.1 187.4 0.1 6.1 172 R 1 11400 11 14 30 J1453+2648 15 13 59 74.5 196.9 0.3 14.1 -8 1 8 11400 11 14 30 11 16 00 --- 15 15 29 74.4 198.1 0.4 15.1 82 R 1 10800 11 16 00 3C310 15 15 29 74.1 188.6 0.2 7.2 -8 1 8 10800 11 16 00 11 19 00 --- 15 18 30 74.0 191.1 0.2 9.2 172 R 1 9600 11 19 00 J1453+2648 15 18 30 74.2 200.5 0.4 17.0 -8 1 8 9600 11 19 00 11 20 30 --- 15 20 00 74.1 201.7 0.4 18.0 82 R 1 9000 11 20 30 3C310 15 20 00 73.9 192.3 0.3 10.2 -8 1 8 9000 11 20 30 11 23 30 --- 15 23 00 73.8 194.7 0.3 12.1 172 R 1 7800 11 23 30 J1453+2648 15 23 00 73.9 204.0 0.5 19.9 -8 1 8 7800 11 23 30 11 25 00 --- 15 24 31 73.8 205.1 0.5 20.8 82 R 1 7200 11 25 00 3C310 15 24 31 73.7 195.8 0.3 13.1 -8 1 8 7200 11 25 00 11 28 00 --- 15 27 31 73.6 198.2 0.4 15.0 172 R 1 6000 11 28 00 J1453+2648 15 27 31 73.5 207.4 0.6 22.6 -8 1 8 6000 11 28 00 11 29 30 --- 15 29 01 73.4 208.4 0.6 23.4 82 R 1 5400 11 29 30 3C310 15 29 01 73.5 199.3 0.4 15.9 -8 1 8 5400 11 29 30 11 32 30 --- 15 32 02 73.3 201.6 0.5 17.8 172 R 1 4200 11 32 30 J1453+2648 15 32 02 73.1 210.6 0.6 25.1 -8 1 8 4200 11 32 30 11 34 00 --- 15 33 32 73.0 211.6 0.7 26.0 82 R 1 3600 11 34 00 3C310 15 33 32 73.2 202.7 0.5 18.7 -8 1 8 3600 11 34 00 11 37 00 --- 15 36 33 73.0 204.9 0.5 20.4 172 R 1 2400 11 37 00 J1453+2648 15 36 33 72.7 213.6 0.7 27.6 -8 1 8 2400 11 37 00 11 38 30 --- 15 38 03 72.5 214.6 0.7 28.3 82 R 1 1800 11 38 30 3C310 15 38 03 72.8 205.9 0.6 21.3 -8 1 8 1800 11 38 30 11 41 30 --- 15 41 03 72.6 208.1 0.6 23.0 172 R 1 600 11 41 30 J1453+2648 15 41 03 72.2 216.6 0.8 29.8 -8 1 8 600 11 41 30 11 43 00 --- 15 42 34 72.0 217.5 0.8 30.6 82 R 1 0 Schedule for VLBA_NL (Code Nl ) 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 15 44 34 66.2 243.8 1.6 49.6 100 1 9 0 11 45 00 11 46 30 --- 15 46 04 65.9 244.4 1.7 49.9 90 F 1 600 11 46 30 J1453+2648 15 46 04 71.6 219.6 0.9 32.2 -18 1 9 600 11 46 30 11 48 30 --- 15 48 04 71.4 220.8 0.9 33.1 102 F 1 1400 11 48 30 3C310 15 48 04 71.9 212.8 0.7 26.7 -7 1 9 1400 11 48 30 11 51 30 --- 15 51 05 71.6 214.7 0.8 28.2 173 F 1 2600 11 51 30 J1453+2648 15 51 05 71.0 222.6 1.0 34.4 -7 1 9 2600 11 51 30 11 53 00 --- 15 52 35 70.8 223.4 1.0 35.0 83 F 1 3200 11 53 00 3C310 15 52 35 71.4 215.6 0.8 28.9 -7 1 9 3200 11 53 00 11 56 00 --- 15 55 36 71.1 217.4 0.8 30.3 173 F 1 4400 11 56 00 J1453+2648 15 55 36 70.4 225.0 1.0 36.2 -7 1 9 4400 11 56 00 11 57 30 --- 15 57 06 70.2 225.8 1.1 36.8 83 F 1 5000 11 57 30 3C310 15 57 06 70.9 218.3 0.9 31.0 -7 1 9 5000 11 57 30 12 00 30 --- 16 00 06 70.6 220.1 0.9 32.3 173 F 1 6200 12 00 30 J1453+2648 16 00 06 69.8 227.4 1.1 38.0 -7 1 9 6200 12 00 30 12 02 00 --- 16 01 37 69.6 228.2 1.1 38.5 83 F 1 6800 12 02 00 3C310 16 01 37 70.4 220.9 0.9 32.9 -7 1 9 6800 12 02 00 12 05 00 --- 16 04 37 70.0 222.6 1.0 34.2 173 F 1 8000 12 05 00 J1453+2648 16 04 37 69.2 229.6 1.2 39.5 -7 1 9 8000 12 05 00 12 06 30 --- 16 06 07 69.0 230.4 1.2 40.1 83 F 1 8600 12 06 30 3C310 16 06 07 69.8 223.4 1.0 34.8 -7 1 9 8600 12 06 30 12 09 30 --- 16 09 08 69.4 225.0 1.1 35.9 173 F 1 9800 12 09 30 J1453+2648 16 09 08 68.5 231.8 1.3 41.0 -7 1 9 9800 12 09 30 12 11 00 --- 16 10 38 68.3 232.5 1.3 41.5 83 F 1 10400 12 11 00 3C310 16 10 38 69.2 225.8 1.1 36.5 -6 1 9 10400 12 11 00 12 14 00 --- 16 13 39 68.8 227.3 1.1 37.6 174 F 1 11600 12 14 00 J1453+2648 16 13 39 67.9 233.8 1.3 42.4 -6 1 9 11600 12 14 00 12 15 30 --- 16 15 09 67.6 234.4 1.4 42.8 84 F 1 12200 12 15 30 3C310 16 15 09 68.6 228.0 1.2 38.1 -6 1 9 12200 12 15 30 12 18 30 --- 16 18 09 68.2 229.4 1.2 39.1 174 F 1 13400 Schedule for VLBA_NL (Code Nl ) 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 16 18 09 67.2 235.7 1.4 43.7 -6 1 9 13400 12 18 30 12 20 00 --- 16 19 40 66.9 236.3 1.4 44.1 84 F 1 14000 12 20 00 3C310 16 19 40 68.0 230.1 1.2 39.6 -6 1 9 14000 12 20 00 12 23 00 --- 16 22 40 67.6 231.5 1.3 40.5 174 F 1 15200 12 23 00 J1453+2648 16 22 40 66.5 237.5 1.5 44.8 -6 1 9 15200 12 23 00 12 24 30 --- 16 24 10 66.2 238.1 1.5 45.2 84 F 1 15800 12 24 30 3C310 16 24 10 67.3 232.2 1.3 41.0 -6 1 9 15800 12 24 30 12 27 30 --- 16 27 11 66.9 233.5 1.4 41.8 174 F 1 17000 12 27 30 J1453+2648 16 27 11 65.7 239.3 1.6 45.9 -6 1 9 17000 12 27 30 12 29 00 --- 16 28 41 65.5 239.9 1.6 46.3 84 F 1 17600 12 31 00 OQ208 16 30 41 58.0 257.0 2.4 55.7 103 1 10 17600 12 31 00 12 32 30 --- 16 32 12 57.8 257.3 2.4 55.9 90 R 1 17000 12 32 30 J1453+2648 16 32 12 64.9 241.1 1.6 47.0 -16 1 10 17000 12 32 30 12 34 30 --- 16 34 12 64.6 241.9 1.7 47.5 104 R 1 16200 12 34 30 3C310 16 34 12 65.8 236.4 1.5 43.7 -6 1 10 16200 12 34 30 12 37 30 --- 16 37 13 65.3 237.5 1.5 44.4 174 R 1 15000 12 37 30 J1453+2648 16 37 13 64.1 242.9 1.7 48.1 -6 1 10 15000 12 37 30 12 39 00 --- 16 38 43 63.9 243.4 1.7 48.3 84 R 1 14400 12 39 00 3C310 16 38 43 65.1 238.1 1.6 44.8 -6 1 10 14400 12 39 00 12 42 00 --- 16 41 43 64.6 239.2 1.6 45.5 174 R 1 13200 12 42 00 J1453+2648 16 41 43 63.4 244.4 1.8 48.9 -5 1 10 13200 12 42 00 12 43 30 --- 16 43 13 63.1 244.9 1.8 49.2 85 R 1 12600 12 43 30 3C310 16 43 13 64.4 239.8 1.6 45.8 -5 1 10 12600 12 43 30 12 46 30 --- 16 46 14 63.9 240.9 1.7 46.5 175 R 1 11400 12 46 30 J1453+2648 16 46 14 62.6 245.9 1.9 49.7 -5 1 10 11400 12 46 30 12 48 00 --- 16 47 44 62.3 246.3 1.9 49.9 85 R 1 10800 12 48 00 3C310 16 47 44 63.7 241.4 1.7 46.8 -5 1 10 10800 12 48 00 12 51 00 --- 16 50 45 63.2 242.4 1.8 47.4 175 R 1 9600 12 51 00 J1453+2648 16 50 45 61.8 247.2 1.9 50.4 -5 1 10 9600 12 51 00 12 52 30 --- 16 52 15 61.6 247.7 2.0 50.6 85 R 1 9000 Schedule for VLBA_NL (Code Nl ) 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 16 52 15 62.9 242.9 1.8 47.6 -5 1 10 9000 12 52 30 12 55 30 --- 16 55 15 62.4 243.9 1.8 48.2 175 R 1 7800 12 55 30 J1453+2648 16 55 15 61.0 248.6 2.0 51.1 -5 1 10 7800 12 55 30 12 57 00 --- 16 56 46 60.8 249.0 2.0 51.3 85 R 1 7200 12 57 00 3C310 16 56 46 62.2 244.4 1.9 48.4 -5 1 10 7200 12 57 00 13 00 00 --- 16 59 46 61.7 245.3 1.9 49.0 175 R 1 6000 13 00 00 J1453+2648 16 59 46 60.3 249.9 2.1 51.7 -5 1 10 6000 13 00 00 13 01 30 --- 17 01 16 60.0 250.3 2.1 51.9 85 R 1 5400 13 01 30 3C310 17 01 16 61.4 245.8 1.9 49.2 -5 1 10 5400 13 01 30 13 04 30 --- 17 04 17 60.9 246.7 2.0 49.7 175 R 1 4200 13 04 30 J1453+2648 17 04 17 59.5 251.1 2.2 52.2 -5 1 10 4200 13 04 30 13 06 00 --- 17 05 47 59.2 251.5 2.2 52.4 85 R 1 3600 13 06 00 3C310 17 05 47 60.6 247.2 2.0 49.9 -5 1 10 3600 13 06 00 13 09 00 --- 17 08 48 60.1 248.0 2.1 50.3 175 R 1 2400 13 09 00 J1453+2648 17 08 48 58.7 252.3 2.2 52.7 -5 1 10 2400 13 09 00 13 10 30 --- 17 10 18 58.4 252.7 2.3 52.9 85 R 1 1800 13 10 30 3C310 17 10 18 59.8 248.5 2.1 50.5 -5 1 10 1800 13 10 30 13 13 30 --- 17 13 18 59.3 249.3 2.1 50.9 175 R 1 600 13 13 30 J1453+2648 17 13 18 57.9 253.4 2.3 53.2 -5 1 10 600 13 13 30 13 15 00 --- 17 14 49 57.6 253.8 2.3 53.4 85 R 1 0 13 17 00 OQ208 17 16 49 49.5 266.4 3.2 57.8 102 1 11 0 13 17 00 13 18 30 --- 17 18 19 49.3 266.7 3.2 57.9 90 F 1 600 13 18 30 J1453+2648 17 18 19 57.0 254.7 2.4 53.7 -17 1 11 600 13 18 30 13 20 30 --- 17 20 20 56.6 255.2 2.4 53.9 103 F 1 1400 13 20 30 3C310 17 20 20 58.1 251.2 2.3 51.8 -5 1 11 1400 13 20 30 13 23 30 --- 17 23 20 57.6 252.0 2.3 52.1 175 F 1 2600 13 23 30 J1453+2648 17 23 20 56.1 255.9 2.5 54.1 -5 1 11 2600 13 23 30 13 25 00 --- 17 24 50 55.8 256.2 2.5 54.2 85 F 1 3200 13 25 00 3C310 17 24 50 57.3 252.4 2.3 52.3 -5 1 11 3200 13 25 00 13 28 00 --- 17 27 51 56.8 253.1 2.4 52.6 175 F 1 4400 Schedule for VLBA_NL (Code Nl ) 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 17 27 51 55.2 256.9 2.6 54.5 -5 1 11 4400 13 28 00 13 29 30 --- 17 29 21 55.0 257.2 2.6 54.6 85 F 1 5000 13 29 30 3C310 17 29 21 56.5 253.5 2.4 52.7 -5 1 11 5000 13 29 30 13 32 30 --- 17 32 22 55.9 254.2 2.5 53.0 175 F 1 6200 13 32 30 J1453+2648 17 32 22 54.4 257.9 2.6 54.8 -5 1 11 6200 13 32 30 13 34 00 --- 17 33 52 54.1 258.2 2.7 54.9 85 F 1 6800 13 34 00 3C310 17 33 52 55.7 254.6 2.5 53.1 -5 1 11 6800 13 34 00 13 37 00 --- 17 36 52 55.1 255.3 2.5 53.4 175 F 1 8000 13 37 00 J1453+2648 17 36 52 53.6 258.9 2.7 55.1 -5 1 11 8000 13 37 00 13 38 30 --- 17 38 23 53.3 259.2 2.7 55.2 85 F 1 8600 13 38 30 3C310 17 38 23 54.9 255.7 2.6 53.5 -5 1 11 8600 13 38 30 13 41 30 --- 17 41 23 54.3 256.4 2.6 53.7 175 F 1 9800 13 41 30 J1453+2648 17 41 23 52.8 259.9 2.8 55.3 -5 1 11 9800 13 41 30 13 43 00 --- 17 42 53 52.5 260.2 2.8 55.4 85 F 1 10400 13 43 00 3C310 17 42 53 54.0 256.7 2.6 53.9 -5 1 11 10400 13 43 00 13 46 00 --- 17 45 54 53.5 257.4 2.7 54.1 175 F 1 11600 13 46 00 J1453+2648 17 45 54 51.9 260.8 2.9 55.6 -5 1 11 11600 13 46 00 13 47 30 --- 17 47 24 51.7 261.1 2.9 55.6 85 F 1 12200 13 47 30 3C310 17 47 24 53.2 257.7 2.7 54.2 -5 1 11 12200 13 47 30 13 50 30 --- 17 50 24 52.7 258.4 2.8 54.4 175 F 1 13400 13 50 30 J1453+2648 17 50 24 51.1 261.7 2.9 55.8 -5 1 11 13400 13 50 30 13 52 00 --- 17 51 55 50.8 262.0 3.0 55.8 85 F 1 14000 13 52 00 3C310 17 51 55 52.4 258.7 2.8 54.5 -5 1 11 14000 13 52 00 13 55 00 --- 17 54 55 51.9 259.3 2.8 54.6 175 F 1 15200 13 55 00 J1453+2648 17 54 55 50.3 262.6 3.0 56.0 -5 1 11 15200 13 55 00 13 56 30 --- 17 56 25 50.0 262.9 3.0 56.0 85 F 1 15800 13 56 30 3C310 17 56 25 51.6 259.6 2.9 54.7 -5 1 11 15800 13 56 30 13 59 30 --- 17 59 26 51.0 260.3 2.9 54.9 175 F 1 17000 13 59 30 J1453+2648 17 59 26 49.4 263.5 3.1 56.1 -5 1 11 17000 13 59 30 14 01 00 --- 18 00 56 49.2 263.8 3.1 56.2 85 F 1 17600 Schedule for VLBA_NL (Code Nl ) 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 18 02 57 40.9 274.0 3.9 57.8 102 1 12 17600 14 03 00 14 04 30 --- 18 04 27 40.7 274.3 4.0 57.8 90 R 1 17000 14 04 30 J1453+2648 18 04 27 48.5 264.4 3.2 56.3 -18 1 12 17000 14 04 30 14 06 30 --- 18 06 27 48.1 264.8 3.2 56.3 102 R 1 16200 14 06 30 3C310 18 06 27 49.7 261.7 3.0 55.2 -5 1 12 16200 14 06 30 14 09 30 --- 18 09 28 49.2 262.3 3.1 55.3 175 R 1 15000 14 09 30 J1453+2648 18 09 28 47.6 265.3 3.3 56.4 -5 1 12 15000 14 09 30 14 11 00 --- 18 10 58 47.3 265.6 3.3 56.4 85 R 1 14400 14 11 00 3C310 18 10 58 48.9 262.6 3.1 55.4 -5 1 12 14400 14 11 00 14 14 00 --- 18 13 58 48.3 263.1 3.1 55.5 175 R 1 13200 14 14 00 J1453+2648 18 13 58 46.7 266.2 3.3 56.5 -5 1 12 13200 14 14 00 14 15 30 --- 18 15 29 46.5 266.4 3.4 56.5 85 R 1 12600 14 15 30 3C310 18 15 29 48.1 263.4 3.2 55.5 -5 1 12 12600 14 15 30 14 18 30 --- 18 18 29 47.5 264.0 3.2 55.6 175 R 1 11400 14 18 30 J1453+2648 18 18 29 45.9 267.0 3.4 56.6 -5 1 12 11400 14 18 30 14 20 00 --- 18 19 59 45.6 267.2 3.4 56.6 85 R 1 10800 14 20 00 3C310 18 19 59 47.2 264.3 3.2 55.7 -5 1 12 10800 14 20 00 14 23 00 --- 18 23 00 46.7 264.8 3.3 55.7 175 R 1 9600 14 23 00 J1453+2648 18 23 00 45.1 267.8 3.5 56.6 -5 1 12 9600 14 23 00 14 24 30 --- 18 24 30 44.8 268.0 3.5 56.6 85 R 1 9000 14 24 30 3C310 18 24 30 46.4 265.1 3.3 55.8 -5 1 12 9000 14 24 30 14 27 30 --- 18 27 31 45.8 265.7 3.4 55.8 175 R 1 7800 14 27 30 J1453+2648 18 27 31 44.2 268.5 3.6 56.6 -5 1 12 7800 14 27 30 14 29 00 --- 18 29 01 43.9 268.8 3.6 56.7 85 R 1 7200 14 29 00 3C310 18 29 01 45.6 265.9 3.4 55.9 -5 1 12 7200 14 29 00 14 32 00 --- 18 32 01 45.0 266.5 3.5 55.9 175 R 1 6000 14 32 00 J1453+2648 18 32 01 43.4 269.3 3.6 56.7 -5 1 12 6000 14 32 00 14 33 30 --- 18 33 32 43.1 269.6 3.7 56.7 85 R 1 5400 14 33 30 3C310 18 33 32 44.7 266.7 3.5 55.9 -5 1 12 5400 14 33 30 14 36 30 --- 18 36 32 44.2 267.3 3.5 56.0 175 R 1 4200 Schedule for VLBA_NL (Code Nl ) 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 18 36 32 42.5 270.1 3.7 56.7 -5 1 12 4200 14 36 30 14 38 00 --- 18 38 02 42.3 270.3 3.7 56.7 85 R 1 3600 14 38 00 3C310 18 38 02 43.9 267.5 3.6 56.0 -5 1 12 3600 14 38 00 14 41 00 --- 18 41 03 43.3 268.1 3.6 56.0 175 R 1 2400 14 41 00 J1453+2648 18 41 03 41.7 270.8 3.8 56.7 -5 1 12 2400 14 41 00 14 42 30 --- 18 42 33 41.4 271.1 3.8 56.7 85 R 1 1800 14 42 30 3C310 18 42 33 43.0 268.3 3.6 56.0 -5 1 12 1800 14 42 30 14 45 30 --- 18 45 34 42.5 268.8 3.7 56.1 175 R 1 600 14 45 30 J1453+2648 18 45 34 40.8 271.5 3.9 56.6 -5 1 12 600 14 45 30 14 47 00 --- 18 47 04 40.6 271.8 3.9 56.6 85 R 1 0 14 49 00 OQ208 18 49 04 32.4 280.9 4.7 56.4 102 1 13 0 14 49 00 14 50 30 --- 18 50 34 32.1 281.1 4.7 56.3 90 F 1 600 14 50 30 J1453+2648 18 50 34 39.9 272.4 3.9 56.6 -18 1 13 600 14 50 30 14 52 30 --- 18 52 35 39.5 272.7 4.0 56.6 102 F 1 1400 14 52 30 3C310 18 52 35 41.2 270.0 3.8 56.1 -5 1 13 1400 14 52 30 14 55 30 --- 18 55 35 40.6 270.5 3.8 56.1 175 F 1 2600 14 55 30 J1453+2648 18 55 35 39.0 273.1 4.0 56.5 -5 1 13 2600 14 55 30 14 57 00 --- 18 57 05 38.7 273.4 4.1 56.5 85 F 1 3200 14 57 00 3C310 18 57 05 40.3 270.8 3.9 56.1 -5 1 13 3200 14 57 00 15 00 00 --- 19 00 06 39.8 271.2 3.9 56.1 175 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