COVER INFORMATION Station: VLBA_LA (Code La ) 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_LA (Code La ) 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 08 36 52 12.1 65.6 -6.3 -55.8 0 1 1 0 05 37 00 05 39 30 --- 08 39 23 12.6 65.9 -6.2 -56.1 150 F 1 1000 05 39 30 3C310 08 39 23 10.1 65.1 -6.4 -55.0 -7 1 1 1000 05 39 30 05 43 30 --- 08 43 23 10.8 65.6 -6.4 -55.3 233 F 1 2600 05 43 30 J1453+2648 08 43 23 13.3 66.4 -6.2 -56.4 -7 1 1 2600 05 43 30 05 46 00 --- 08 45 54 13.8 66.7 -6.1 -56.6 143 F 1 3600 05 46 00 3C310 08 45 54 11.3 66.0 -6.3 -55.5 -7 1 1 3600 05 46 00 05 50 00 --- 08 49 54 12.0 66.5 -6.3 -55.9 233 F 1 5200 05 50 00 J1453+2648 08 49 54 14.5 67.2 -6.1 -56.9 -7 1 1 5200 05 50 00 05 52 30 --- 08 52 25 15.0 67.5 -6.0 -57.1 143 F 1 6200 05 52 30 3C310 08 52 25 12.5 66.8 -6.2 -56.1 -7 1 1 6200 05 52 30 05 56 00 --- 08 55 55 13.2 67.3 -6.2 -56.4 203 F 1 7600 05 56 00 J1453+2648 08 55 55 15.7 68.0 -6.0 -57.4 -7 1 1 7600 05 56 00 05 58 30 --- 08 58 26 16.1 68.3 -5.9 -57.6 143 F 1 8600 05 58 30 3C310 08 58 26 13.6 67.6 -6.1 -56.6 -7 1 1 8600 05 58 30 06 02 00 --- 09 01 56 14.3 68.0 -6.1 -56.8 203 F 1 10000 06 02 00 J1453+2648 09 01 56 16.8 68.7 -5.9 -57.9 -7 1 1 10000 06 02 00 06 04 30 --- 09 04 27 17.3 69.0 -5.8 -58.1 143 F 1 11000 06 04 30 3C310 09 04 27 14.8 68.3 -6.0 -57.0 -7 1 1 11000 06 04 30 06 08 00 --- 09 07 57 15.4 68.8 -6.0 -57.3 203 F 1 12400 06 08 00 J1453+2648 09 07 57 17.9 69.5 -5.8 -58.3 -7 1 1 12400 06 08 00 06 10 30 --- 09 10 28 18.4 69.8 -5.7 -58.5 143 F 1 13400 06 10 30 3C310 09 10 28 15.9 69.1 -5.9 -57.5 -7 1 1 13400 06 10 30 06 14 30 --- 09 14 28 16.6 69.6 -5.8 -57.8 233 F 1 15000 06 14 30 J1453+2648 09 14 28 19.2 70.3 -5.7 -58.8 -7 1 1 15000 06 14 30 06 17 00 --- 09 16 59 19.7 70.6 -5.6 -59.0 143 F 1 16000 Schedule for VLBA_LA (Code La ) 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 09 16 59 17.1 69.9 -5.8 -58.0 -7 1 1 16000 06 17 00 06 21 00 --- 09 21 00 17.9 70.4 -5.7 -58.3 233 F 1 17600 06 23 00 J1453+2648 09 23 00 20.8 71.3 -5.5 -59.4 112 1 2 17600 06 23 00 06 25 30 --- 09 25 30 21.3 71.6 -5.5 -59.6 150 R 1 16600 06 25 30 3C310 09 25 30 18.8 71.0 -5.7 -58.6 -7 1 2 16600 06 25 30 06 29 30 --- 09 29 31 19.5 71.5 -5.6 -58.9 233 R 1 15000 06 29 30 J1453+2648 09 29 31 22.1 72.1 -5.4 -59.9 -7 1 2 15000 06 29 30 06 32 00 --- 09 32 01 22.5 72.4 -5.4 -60.0 143 R 1 14000 06 32 00 3C310 09 32 01 20.0 71.8 -5.5 -59.0 -7 1 2 14000 06 32 00 06 36 00 --- 09 36 02 20.8 72.3 -5.5 -59.3 233 R 1 12400 06 36 00 J1453+2648 09 36 02 23.3 72.9 -5.3 -60.3 -7 1 2 12400 06 36 00 06 38 30 --- 09 38 32 23.8 73.2 -5.3 -60.5 143 R 1 11400 06 38 30 3C310 09 38 32 21.3 72.6 -5.4 -59.5 -7 1 2 11400 06 38 30 06 42 00 --- 09 42 03 21.9 73.0 -5.4 -59.7 203 R 1 10000 06 42 00 J1453+2648 09 42 03 24.5 73.6 -5.2 -60.7 -7 1 2 10000 06 42 00 06 44 30 --- 09 44 33 25.0 73.9 -5.2 -60.8 143 R 1 9000 06 44 30 3C310 09 44 33 22.4 73.3 -5.3 -59.8 -7 1 2 9000 06 44 30 06 48 00 --- 09 48 04 23.1 73.7 -5.3 -60.1 203 R 1 7600 06 48 00 J1453+2648 09 48 04 25.7 74.3 -5.1 -61.1 -7 1 2 7600 06 48 00 06 50 30 --- 09 50 34 26.2 74.6 -5.1 -61.2 143 R 1 6600 06 50 30 3C310 09 50 34 23.6 74.0 -5.2 -60.2 -7 1 2 6600 06 50 30 06 54 00 --- 09 54 05 24.3 74.5 -5.2 -60.4 203 R 1 5200 06 54 00 J1453+2648 09 54 05 26.8 75.0 -5.0 -61.4 -7 1 2 5200 06 54 00 06 56 30 --- 09 56 35 27.3 75.3 -5.0 -61.6 143 R 1 4200 06 56 30 3C310 09 56 35 24.8 74.8 -5.1 -60.6 -7 1 2 4200 06 56 30 07 00 30 --- 10 00 36 25.6 75.3 -5.1 -60.8 233 R 1 2600 07 00 30 J1453+2648 10 00 36 28.1 75.8 -4.9 -61.8 -7 1 2 2600 07 00 30 07 03 00 --- 10 03 06 28.6 76.1 -4.8 -61.9 143 R 1 1600 07 03 00 3C310 10 03 06 26.1 75.6 -5.0 -61.0 -7 1 2 1600 07 03 00 07 07 00 --- 10 07 07 26.8 76.0 -5.0 -61.2 233 R 1 0 Schedule for VLBA_LA (Code La ) 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 10 09 07 29.8 76.8 -4.7 -62.3 112 1 3 0 07 09 00 07 11 30 --- 10 11 38 30.3 77.1 -4.7 -62.4 150 F 1 1000 07 11 30 3C310 10 11 38 27.7 76.6 -4.9 -61.4 -7 1 3 1000 07 11 30 07 15 30 --- 10 15 38 28.5 77.1 -4.8 -61.6 233 F 1 2600 07 15 30 J1453+2648 10 15 38 31.1 77.6 -4.6 -62.6 -7 1 3 2600 07 15 30 07 18 00 --- 10 18 09 31.6 77.9 -4.6 -62.7 143 F 1 3600 07 18 00 3C310 10 18 09 29.0 77.4 -4.8 -61.8 -7 1 3 3600 07 18 00 07 22 00 --- 10 22 10 29.8 77.9 -4.7 -62.0 233 F 1 5200 07 22 00 J1453+2648 10 22 10 32.4 78.4 -4.5 -62.9 -7 1 3 5200 07 22 00 07 24 30 --- 10 24 40 32.9 78.7 -4.5 -63.0 143 F 1 6200 07 24 30 3C310 10 24 40 30.3 78.2 -4.7 -62.1 -7 1 3 6200 07 24 30 07 28 00 --- 10 28 11 31.0 78.6 -4.6 -62.2 203 F 1 7600 07 28 00 J1453+2648 10 28 11 33.6 79.1 -4.4 -63.2 -7 1 3 7600 07 28 00 07 30 30 --- 10 30 41 34.1 79.4 -4.4 -63.3 143 F 1 8600 07 30 30 3C310 10 30 41 31.5 78.9 -4.6 -62.4 -7 1 3 8600 07 30 30 07 34 00 --- 10 34 11 32.2 79.3 -4.5 -62.5 203 F 1 10000 07 34 00 J1453+2648 10 34 11 34.8 79.8 -4.3 -63.5 -7 1 3 10000 07 34 00 07 36 30 --- 10 36 42 35.3 80.2 -4.3 -63.6 143 F 1 11000 07 36 30 3C310 10 36 42 32.7 79.7 -4.5 -62.6 -7 1 3 11000 07 36 30 07 40 00 --- 10 40 12 33.4 80.1 -4.4 -62.8 203 F 1 12400 07 40 00 J1453+2648 10 40 12 36.0 80.6 -4.2 -63.7 -7 1 3 12400 07 40 00 07 42 30 --- 10 42 43 36.5 80.9 -4.2 -63.8 143 F 1 13400 07 42 30 3C310 10 42 43 33.9 80.4 -4.4 -62.9 -7 1 3 13400 07 42 30 07 46 30 --- 10 46 44 34.7 80.9 -4.3 -63.0 233 F 1 15000 07 46 30 J1453+2648 10 46 44 37.3 81.4 -4.1 -64.0 -7 1 3 15000 07 46 30 07 49 00 --- 10 49 14 37.8 81.7 -4.1 -64.1 143 F 1 16000 07 49 00 3C310 10 49 14 35.2 81.2 -4.3 -63.1 -7 1 3 16000 07 49 00 07 53 00 --- 10 53 15 36.0 81.7 -4.2 -63.3 233 F 1 17600 07 55 00 J1453+2648 10 55 15 39.0 82.4 -4.0 -64.3 112 1 4 17600 07 55 00 07 57 30 --- 10 57 45 39.5 82.7 -3.9 -64.4 150 R 1 16600 Schedule for VLBA_LA (Code La ) 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 57 45 36.9 82.3 -4.1 -63.4 -7 1 4 16600 07 57 30 08 01 30 --- 11 01 46 37.7 82.8 -4.1 -63.6 233 R 1 15000 08 01 30 J1453+2648 11 01 46 40.3 83.2 -3.9 -64.5 -7 1 4 15000 08 01 30 08 04 00 --- 11 04 16 40.8 83.6 -3.8 -64.6 143 R 1 14000 08 04 00 3C310 11 04 16 38.2 83.1 -4.0 -63.7 -7 1 4 14000 08 04 00 08 08 00 --- 11 08 17 39.0 83.6 -3.9 -63.8 233 R 1 12400 08 08 00 J1453+2648 11 08 17 41.6 84.1 -3.8 -64.7 -7 1 4 12400 08 08 00 08 10 30 --- 11 10 47 42.1 84.4 -3.7 -64.8 143 R 1 11400 08 10 30 3C310 11 10 47 39.6 83.9 -3.9 -63.9 -7 1 4 11400 08 10 30 08 14 00 --- 11 14 18 40.3 84.4 -3.8 -63.9 203 R 1 10000 08 14 00 J1453+2648 11 14 18 42.8 84.8 -3.7 -64.9 -7 1 4 10000 08 14 00 08 16 30 --- 11 16 48 43.3 85.2 -3.6 -64.9 143 R 1 9000 08 16 30 3C310 11 16 48 40.8 84.7 -3.8 -64.0 -7 1 4 9000 08 16 30 08 20 00 --- 11 20 19 41.5 85.2 -3.7 -64.1 203 R 1 7600 08 20 00 J1453+2648 11 20 19 44.1 85.6 -3.6 -65.0 -7 1 4 7600 08 20 00 08 22 30 --- 11 22 49 44.6 86.0 -3.5 -65.1 143 R 1 6600 08 22 30 3C310 11 22 49 42.0 85.5 -3.7 -64.2 -7 1 4 6600 08 22 30 08 26 00 --- 11 26 20 42.7 86.0 -3.6 -64.2 203 R 1 5200 08 26 00 J1453+2648 11 26 20 45.3 86.4 -3.5 -65.1 -7 1 4 5200 08 26 00 08 28 30 --- 11 28 50 45.8 86.8 -3.4 -65.2 143 R 1 4200 08 28 30 3C310 11 28 50 43.2 86.3 -3.6 -64.3 -7 1 4 4200 08 28 30 08 32 30 --- 11 32 51 44.0 86.8 -3.5 -64.3 233 R 1 2600 08 32 30 J1453+2648 11 32 51 46.6 87.3 -3.4 -65.2 -7 1 4 2600 08 32 30 08 35 00 --- 11 35 22 47.1 87.6 -3.3 -65.3 143 R 1 1600 08 35 00 3C310 11 35 22 44.5 87.2 -3.5 -64.4 -7 1 4 1600 08 35 00 08 39 00 --- 11 39 22 45.3 87.7 -3.4 -64.4 233 R 1 0 08 41 00 J1453+2648 11 41 23 48.3 88.5 -3.2 -65.3 112 1 5 0 08 41 00 08 43 30 --- 11 43 53 48.8 88.8 -3.2 -65.3 150 F 1 1000 08 43 30 3C310 11 43 53 46.2 88.3 -3.4 -64.5 -7 1 5 1000 08 43 30 08 47 30 --- 11 47 54 47.1 88.9 -3.3 -64.5 233 F 1 2600 Schedule for VLBA_LA (Code La ) 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 11 47 54 49.6 89.4 -3.1 -65.4 -7 1 5 2600 08 47 30 08 50 00 --- 11 50 24 50.1 89.8 -3.1 -65.4 143 F 1 3600 08 50 00 3C310 11 50 24 47.6 89.3 -3.2 -64.5 -7 1 5 3600 08 50 00 08 54 00 --- 11 54 25 48.4 89.8 -3.2 -64.5 233 F 1 5200 08 54 00 J1453+2648 11 54 25 51.0 90.4 -3.0 -65.4 -7 1 5 5200 08 54 00 08 56 30 --- 11 56 55 51.5 90.7 -3.0 -65.4 143 F 1 6200 08 56 30 3C310 11 56 55 48.9 90.2 -3.1 -64.5 -7 1 5 6200 08 56 30 09 00 00 --- 12 00 26 49.6 90.7 -3.1 -64.5 203 F 1 7600 09 00 00 J1453+2648 12 00 26 52.2 91.3 -2.9 -65.3 -7 1 5 7600 09 00 00 09 02 30 --- 12 02 56 52.7 91.6 -2.9 -65.3 143 F 1 8600 09 02 30 3C310 12 02 56 50.1 91.1 -3.0 -64.5 -7 1 5 8600 09 02 30 09 06 00 --- 12 06 27 50.8 91.6 -3.0 -64.5 203 F 1 10000 09 06 00 J1453+2648 12 06 27 53.4 92.2 -2.8 -65.3 -7 1 5 10000 09 06 00 09 08 30 --- 12 08 57 53.9 92.6 -2.7 -65.2 143 F 1 11000 09 08 30 3C310 12 08 57 51.3 92.0 -2.9 -64.4 -7 1 5 11000 09 08 30 09 12 00 --- 12 12 28 52.0 92.6 -2.9 -64.4 203 F 1 12400 09 12 00 J1453+2648 12 12 28 54.6 93.1 -2.7 -65.2 -7 1 5 12400 09 12 00 09 14 30 --- 12 14 58 55.1 93.5 -2.6 -65.1 143 F 1 13400 09 14 30 3C310 12 14 58 52.6 93.0 -2.8 -64.4 -7 1 5 13400 09 14 30 09 18 30 --- 12 18 59 53.4 93.6 -2.8 -64.3 233 F 1 15000 09 18 30 J1453+2648 12 18 59 55.9 94.2 -2.6 -65.0 -7 1 5 15000 09 18 30 09 21 00 --- 12 21 29 56.4 94.6 -2.5 -65.0 143 F 1 16000 09 21 00 3C310 12 21 29 53.9 94.0 -2.7 -64.2 -7 1 5 16000 09 21 00 09 25 00 --- 12 25 30 54.7 94.7 -2.7 -64.1 233 F 1 17600 09 27 00 J1453+2648 12 27 30 57.7 95.7 -2.4 -64.8 112 1 6 17600 09 27 00 09 29 30 --- 12 30 00 58.2 96.1 -2.4 -64.7 150 R 1 16600 09 29 30 3C310 12 30 00 55.6 95.5 -2.6 -64.0 -7 1 6 16600 09 29 30 09 33 30 --- 12 34 01 56.4 96.2 -2.5 -63.8 233 R 1 15000 09 33 30 J1453+2648 12 34 01 59.0 96.9 -2.3 -64.5 -7 1 6 15000 09 33 30 09 36 00 --- 12 36 32 59.5 97.3 -2.3 -64.4 143 R 1 14000 Schedule for VLBA_LA (Code La ) 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 12 36 32 56.9 96.6 -2.5 -63.7 -7 1 6 14000 09 36 00 09 40 00 --- 12 40 32 57.7 97.4 -2.4 -63.5 233 R 1 12400 09 40 00 J1453+2648 12 40 32 60.3 98.1 -2.2 -64.1 -7 1 6 12400 09 40 00 09 42 30 --- 12 43 03 60.8 98.6 -2.2 -64.0 143 R 1 11400 09 42 30 3C310 12 43 03 58.2 97.9 -2.4 -63.4 -7 1 6 11400 09 42 30 09 46 00 --- 12 46 33 58.9 98.5 -2.3 -63.2 203 R 1 10000 09 46 00 J1453+2648 12 46 33 61.5 99.3 -2.1 -63.8 -7 1 6 10000 09 46 00 09 48 30 --- 12 49 04 62.0 99.9 -2.1 -63.6 143 R 1 9000 09 48 30 3C310 12 49 04 59.4 99.0 -2.3 -63.1 -7 1 6 9000 09 48 30 09 52 00 --- 12 52 34 60.1 99.7 -2.2 -62.8 203 R 1 7600 09 52 00 J1453+2648 12 52 34 62.7 100.6 -2.0 -63.3 -7 1 6 7600 09 52 00 09 54 30 --- 12 55 05 63.2 101.2 -2.0 -63.1 143 R 1 6600 09 54 30 3C310 12 55 05 60.6 100.3 -2.2 -62.7 -7 1 6 6600 09 54 30 09 58 00 --- 12 58 35 61.3 101.0 -2.1 -62.4 203 R 1 5200 09 58 00 J1453+2648 12 58 35 63.9 102.0 -1.9 -62.8 -7 1 6 5200 09 58 00 10 00 30 --- 13 01 06 64.4 102.6 -1.9 -62.5 143 R 1 4200 10 00 30 3C310 13 01 06 61.8 101.6 -2.1 -62.2 -7 1 6 4200 10 00 30 10 04 30 --- 13 05 06 62.6 102.5 -2.0 -61.8 233 R 1 2600 10 04 30 J1453+2648 13 05 06 65.2 103.5 -1.8 -62.1 -7 1 6 2600 10 04 30 10 07 00 --- 13 07 37 65.7 104.2 -1.8 -61.8 143 R 1 1600 10 07 00 3C310 13 07 37 63.1 103.1 -2.0 -61.6 -7 1 6 1600 10 07 00 10 11 00 --- 13 11 37 63.9 104.0 -1.9 -61.1 233 R 1 0 10 13 00 J1453+2648 13 13 38 66.9 105.8 -1.7 -61.0 112 1 7 0 10 13 00 10 15 30 --- 13 16 08 67.3 106.5 -1.6 -60.7 150 F 1 1000 10 15 30 3C310 13 16 08 64.8 105.2 -1.8 -60.6 -7 1 7 1000 10 15 30 10 19 30 --- 13 20 09 65.6 106.2 -1.7 -60.1 233 F 1 2600 10 19 30 J1453+2648 13 20 09 68.1 107.6 -1.6 -60.0 -7 1 7 2600 10 19 30 10 22 00 --- 13 22 39 68.6 108.4 -1.5 -59.6 143 F 1 3600 10 22 00 3C310 13 22 39 66.1 106.9 -1.7 -59.7 -7 1 7 3600 10 22 00 10 26 00 --- 13 26 40 66.8 108.1 -1.6 -59.1 233 F 1 5200 Schedule for VLBA_LA (Code La ) 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 13 26 40 69.4 109.7 -1.5 -58.9 -7 1 7 5200 10 26 00 10 28 30 --- 13 29 10 69.8 110.5 -1.4 -58.4 143 F 1 6200 10 28 30 3C310 13 29 10 67.3 108.8 -1.6 -58.7 -7 1 7 6200 10 28 30 10 32 00 --- 13 32 41 68.0 109.9 -1.5 -58.1 203 F 1 7600 10 32 00 J1453+2648 13 32 41 70.5 111.7 -1.4 -57.6 -7 1 7 7600 10 32 00 10 34 30 --- 13 35 11 71.0 112.6 -1.3 -57.0 143 F 1 8600 10 34 30 3C310 13 35 11 68.5 110.7 -1.5 -57.6 -7 1 7 8600 10 34 30 10 38 00 --- 13 38 42 69.1 111.9 -1.4 -56.9 203 F 1 10000 10 38 00 J1453+2648 13 38 42 71.6 114.0 -1.3 -56.1 -7 1 7 10000 10 38 00 10 40 30 --- 13 41 12 72.1 115.0 -1.2 -55.5 143 F 1 11000 10 40 30 3C310 13 41 12 69.6 112.8 -1.4 -56.3 -7 1 7 11000 10 40 30 10 44 00 --- 13 44 43 70.3 114.1 -1.3 -55.5 203 F 1 12400 10 44 00 J1453+2648 13 44 43 72.7 116.5 -1.2 -54.4 -7 1 7 12400 10 44 00 10 46 30 --- 13 47 13 73.2 117.6 -1.1 -53.7 143 F 1 13400 10 46 30 3C310 13 47 13 70.7 115.0 -1.3 -54.9 -7 1 7 13400 10 46 30 10 50 30 --- 13 51 14 71.5 116.6 -1.2 -53.8 233 F 1 15000 10 50 30 J1453+2648 13 51 14 73.9 119.5 -1.0 -52.3 -7 1 7 15000 10 50 30 10 53 00 --- 13 53 44 74.3 120.8 -1.0 -51.3 143 F 1 16000 10 53 00 3C310 13 53 44 71.9 117.7 -1.2 -53.1 -7 1 7 16000 10 53 00 10 57 00 --- 13 57 45 72.6 119.5 -1.1 -51.8 233 F 1 17600 10 59 00 OQ208 13 59 45 82.5 167.6 -0.1 -11.4 86 1 8 17600 10 59 00 11 00 30 --- 14 01 15 82.6 170.1 -0.1 -9.1 90 R 1 17000 11 00 30 J1453+2648 14 01 15 75.6 125.0 -0.9 -48.1 -32 1 8 17000 11 00 30 11 02 30 --- 14 03 16 76.0 126.2 -0.8 -47.2 88 R 1 16200 11 02 30 3C310 14 03 16 73.6 122.2 -1.0 -49.8 -7 1 8 16200 11 02 30 11 05 30 --- 14 06 16 74.1 123.8 -1.0 -48.6 173 R 1 15000 11 05 30 J1453+2648 14 06 16 76.4 128.1 -0.8 -45.6 -7 1 8 15000 11 05 30 11 07 00 --- 14 07 46 76.7 129.2 -0.8 -44.8 83 R 1 14400 11 07 00 3C310 14 07 46 74.3 124.6 -1.0 -48.0 -7 1 8 14400 11 07 00 11 10 00 --- 14 10 47 74.8 126.4 -0.9 -46.6 173 R 1 13200 Schedule for VLBA_LA (Code La ) 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 14 10 47 77.2 131.3 -0.7 -43.1 -7 1 8 13200 11 10 00 11 11 30 --- 14 12 17 77.4 132.4 -0.7 -42.1 83 R 1 12600 11 11 30 3C310 14 12 17 75.1 127.3 -0.9 -45.9 -7 1 8 12600 11 11 30 11 14 30 --- 14 15 18 75.6 129.1 -0.8 -44.4 173 R 1 11400 11 14 30 J1453+2648 14 15 18 77.8 134.8 -0.6 -40.2 -7 1 8 11400 11 14 30 11 16 00 --- 14 16 48 78.0 136.0 -0.6 -39.2 83 R 1 10800 11 16 00 3C310 14 16 48 75.8 130.1 -0.8 -43.7 -6 1 8 10800 11 16 00 11 19 00 --- 14 19 48 76.3 132.2 -0.8 -42.0 174 R 1 9600 11 19 00 J1453+2648 14 19 48 78.4 138.6 -0.6 -37.0 -6 1 8 9600 11 19 00 11 20 30 --- 14 21 19 78.6 140.0 -0.5 -35.8 84 R 1 9000 11 20 30 3C310 14 21 19 76.5 133.2 -0.7 -41.1 -6 1 8 9000 11 20 30 11 23 30 --- 14 24 19 76.9 135.5 -0.7 -39.3 174 R 1 7800 11 23 30 J1453+2648 14 24 19 79.0 142.8 -0.5 -33.3 -7 1 8 7800 11 23 30 11 25 00 --- 14 25 49 79.2 144.3 -0.5 -32.0 83 R 1 7200 11 25 00 3C310 14 25 49 77.1 136.7 -0.7 -38.3 -7 1 8 7200 11 25 00 11 28 00 --- 14 28 50 77.5 139.1 -0.6 -36.2 173 R 1 6000 11 28 00 J1453+2648 14 28 50 79.6 147.4 -0.4 -29.3 -8 1 8 6000 11 28 00 11 29 30 --- 14 30 20 79.7 149.1 -0.4 -27.8 82 R 1 5400 11 29 30 3C310 14 30 20 77.7 140.4 -0.6 -35.1 -8 1 8 5400 11 29 30 11 32 30 --- 14 33 21 78.1 143.1 -0.5 -32.8 172 R 1 4200 11 32 30 J1453+2648 14 33 21 80.0 152.5 -0.3 -24.8 -8 1 8 4200 11 32 30 11 34 00 --- 14 34 51 80.1 154.3 -0.3 -23.2 82 R 1 3600 11 34 00 3C310 14 34 51 78.3 144.5 -0.5 -31.6 -9 1 8 3600 11 34 00 11 37 00 --- 14 37 51 78.6 147.4 -0.5 -29.1 171 R 1 2400 11 37 00 J1453+2648 14 37 51 80.4 158.0 -0.3 -19.9 -9 1 8 2400 11 37 00 11 38 30 --- 14 39 22 80.5 159.9 -0.2 -18.2 81 R 1 1800 11 38 30 3C310 14 39 22 78.8 148.9 -0.4 -27.8 -9 1 8 1800 11 38 30 11 41 30 --- 14 42 22 79.1 152.1 -0.4 -25.0 171 R 1 600 11 41 30 J1453+2648 14 42 22 80.7 163.8 -0.2 -14.7 -10 1 8 600 11 41 30 11 43 00 --- 14 43 52 80.8 165.9 -0.2 -12.8 80 R 1 0 Schedule for VLBA_LA (Code La ) 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 14 45 53 79.0 231.0 0.6 45.8 75 1 9 0 11 45 00 11 46 30 --- 14 47 23 78.8 232.1 0.7 46.8 90 F 1 600 11 46 30 J1453+2648 14 47 23 80.9 170.7 -0.1 -8.5 -43 1 9 600 11 46 30 11 48 30 --- 14 49 23 81.0 173.5 -0.1 -5.9 77 F 1 1400 11 48 30 3C310 14 49 23 79.7 160.0 -0.3 -17.9 -11 1 9 1400 11 48 30 11 51 30 --- 14 52 24 79.9 163.7 -0.2 -14.7 169 F 1 2600 11 51 30 J1453+2648 14 52 24 81.0 177.8 0.0 -2.0 -11 1 9 2600 11 51 30 11 53 00 --- 14 53 54 81.0 179.9 0.0 0.0 79 F 1 3200 11 53 00 3C310 14 53 54 79.9 165.6 -0.2 -13.0 -12 1 9 3200 11 53 00 11 56 00 --- 14 56 55 80.1 169.4 -0.1 -9.6 168 F 1 4400 11 56 00 J1453+2648 14 56 55 81.0 184.2 0.0 3.9 -12 1 9 4400 11 56 00 11 57 30 --- 14 58 25 81.0 186.4 0.1 5.8 78 F 1 5000 11 57 30 3C310 14 58 25 80.1 171.3 -0.1 -7.8 -12 1 9 5000 11 57 30 12 00 30 --- 15 01 25 80.2 175.3 -0.1 -4.3 168 F 1 6200 12 00 30 J1453+2648 15 01 25 80.9 190.6 0.1 9.6 -12 1 9 6200 12 00 30 12 02 00 --- 15 02 56 80.8 192.7 0.1 11.5 78 F 1 6800 12 02 00 3C310 15 02 56 80.2 177.3 0.0 -2.5 -12 1 9 6800 12 02 00 12 05 00 --- 15 05 56 80.2 181.2 0.0 1.1 168 F 1 8000 12 05 00 J1453+2648 15 05 56 80.7 196.7 0.2 15.2 -12 1 9 8000 12 05 00 12 06 30 --- 15 07 26 80.6 198.7 0.2 17.0 78 F 1 8600 12 06 30 3C310 15 07 26 80.2 183.2 0.0 2.9 -12 1 9 8600 12 06 30 12 09 30 --- 15 10 27 80.2 187.2 0.1 6.5 168 F 1 9800 12 09 30 J1453+2648 15 10 27 80.4 202.6 0.3 20.4 -12 1 9 9800 12 09 30 12 11 00 --- 15 11 57 80.2 204.4 0.3 22.1 78 F 1 10400 12 11 00 3C310 15 11 57 80.1 189.1 0.1 8.3 -12 1 9 10400 12 11 00 12 14 00 --- 15 14 57 80.0 193.0 0.2 11.7 168 F 1 11600 12 14 00 J1453+2648 15 14 57 80.0 208.0 0.4 25.3 -12 1 9 11600 12 14 00 12 15 30 --- 15 16 28 79.8 209.7 0.4 26.8 78 F 1 12200 12 15 30 3C310 15 16 28 79.9 194.9 0.2 13.4 -12 1 9 12200 12 15 30 12 18 30 --- 15 19 28 79.8 198.6 0.2 16.7 168 F 1 13400 Schedule for VLBA_LA (Code La ) 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 15 19 28 79.5 213.0 0.4 29.7 -12 1 9 13400 12 18 30 12 20 00 --- 15 20 58 79.3 214.6 0.5 31.1 78 F 1 14000 12 20 00 3C310 15 20 58 79.7 200.4 0.3 18.3 -11 1 9 14000 12 20 00 12 23 00 --- 15 23 59 79.4 203.9 0.3 21.5 169 F 1 15200 12 23 00 J1453+2648 15 23 59 79.0 217.6 0.5 33.7 -11 1 9 15200 12 23 00 12 24 30 --- 15 25 29 78.8 219.0 0.5 34.9 79 F 1 15800 12 24 30 3C310 15 25 29 79.3 205.6 0.3 23.0 -11 1 9 15800 12 24 30 12 27 30 --- 15 28 30 79.0 208.9 0.4 25.8 169 F 1 17000 12 27 30 J1453+2648 15 28 30 78.4 221.8 0.6 37.3 -11 1 9 17000 12 27 30 12 29 00 --- 15 30 00 78.2 223.1 0.6 38.4 79 F 1 17600 12 31 00 OQ208 15 32 00 70.6 253.8 1.4 62.4 98 1 10 17600 12 31 00 12 32 30 --- 15 33 31 70.3 254.2 1.4 62.6 90 R 1 17000 12 32 30 J1453+2648 15 33 31 77.7 226.0 0.7 40.8 -21 1 10 17000 12 32 30 12 34 30 --- 15 35 31 77.4 227.5 0.7 42.1 99 R 1 16200 12 34 30 3C310 15 35 31 78.3 215.9 0.5 31.9 -10 1 10 16200 12 34 30 12 37 30 --- 15 38 31 77.9 218.6 0.6 34.3 170 R 1 15000 12 37 30 J1453+2648 15 38 31 76.9 229.7 0.7 43.9 -9 1 10 15000 12 37 30 12 39 00 --- 15 40 02 76.7 230.8 0.8 44.8 81 R 1 14400 12 39 00 3C310 15 40 02 77.7 219.9 0.6 35.4 -9 1 10 14400 12 39 00 12 42 00 --- 15 43 02 77.3 222.4 0.6 37.5 171 R 1 13200 12 42 00 J1453+2648 15 43 02 76.2 232.8 0.8 46.4 -9 1 10 13200 12 42 00 12 43 30 --- 15 44 32 76.0 233.8 0.8 47.1 81 R 1 12600 12 43 30 3C310 15 44 32 77.1 223.6 0.7 38.5 -9 1 10 12600 12 43 30 12 46 30 --- 15 47 33 76.6 225.9 0.7 40.4 171 R 1 11400 12 46 30 J1453+2648 15 47 33 75.5 235.6 0.9 48.6 -8 1 10 11400 12 46 30 12 48 00 --- 15 49 03 75.2 236.5 0.9 49.3 82 R 1 10800 12 48 00 3C310 15 49 03 76.4 227.0 0.7 41.3 -8 1 10 10800 12 48 00 12 51 00 --- 15 52 04 76.0 229.1 0.8 43.1 172 R 1 9600 12 51 00 J1453+2648 15 52 04 74.7 238.1 1.0 50.5 -8 1 10 9600 12 51 00 12 52 30 --- 15 53 34 74.4 238.9 1.0 51.1 82 R 1 9000 Schedule for VLBA_LA (Code La ) 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 15 53 34 75.7 230.1 0.8 43.9 -8 1 10 9000 12 52 30 12 55 30 --- 15 56 34 75.3 232.1 0.9 45.4 172 R 1 7800 12 55 30 J1453+2648 15 56 34 73.9 240.4 1.0 52.3 -8 1 10 7800 12 55 30 12 57 00 --- 15 58 05 73.7 241.2 1.1 52.8 82 R 1 7200 12 57 00 3C310 15 58 05 75.0 233.0 0.9 46.1 -7 1 10 7200 12 57 00 13 00 00 --- 16 01 05 74.5 234.7 0.9 47.5 173 R 1 6000 13 00 00 J1453+2648 16 01 05 73.1 242.6 1.1 53.8 -7 1 10 6000 13 00 00 13 01 30 --- 16 02 35 72.8 243.3 1.1 54.3 83 R 1 5400 13 01 30 3C310 16 02 35 74.3 235.6 1.0 48.1 -7 1 10 5400 13 01 30 13 04 30 --- 16 05 36 73.8 237.2 1.0 49.4 173 R 1 4200 13 04 30 J1453+2648 16 05 36 72.3 244.5 1.2 55.2 -7 1 10 4200 13 04 30 13 06 00 --- 16 07 06 72.0 245.2 1.2 55.6 83 R 1 3600 13 06 00 3C310 16 07 06 73.5 238.0 1.0 49.9 -7 1 10 3600 13 06 00 13 09 00 --- 16 10 07 73.0 239.5 1.1 51.0 173 R 1 2400 13 09 00 J1453+2648 16 10 07 71.5 246.4 1.3 56.4 -7 1 10 2400 13 09 00 13 10 30 --- 16 11 37 71.2 246.9 1.3 56.8 83 R 1 1800 13 10 30 3C310 16 11 37 72.7 240.2 1.1 51.6 -7 1 10 1800 13 10 30 13 13 30 --- 16 14 37 72.2 241.6 1.2 52.5 173 R 1 600 13 13 30 J1453+2648 16 14 37 70.6 248.1 1.3 57.5 -6 1 10 600 13 13 30 13 15 00 --- 16 16 08 70.3 248.6 1.4 57.8 84 R 1 0 13 17 00 OQ208 16 18 08 61.4 264.5 2.2 66.7 100 1 11 0 13 17 00 13 18 30 --- 16 19 38 61.1 264.8 2.2 66.8 90 F 1 600 13 18 30 J1453+2648 16 19 38 69.7 249.8 1.4 58.6 -19 1 11 600 13 18 30 13 20 30 --- 16 21 38 69.3 250.5 1.5 58.9 101 F 1 1400 13 20 30 3C310 16 21 38 70.9 244.5 1.3 54.6 -6 1 11 1400 13 20 30 13 23 30 --- 16 24 39 70.4 245.7 1.3 55.4 174 F 1 2600 13 23 30 J1453+2648 16 24 39 68.7 251.4 1.5 59.5 -6 1 11 2600 13 23 30 13 25 00 --- 16 26 09 68.4 251.9 1.5 59.8 84 F 1 3200 13 25 00 3C310 16 26 09 70.1 246.3 1.4 55.7 -6 1 11 3200 13 25 00 13 28 00 --- 16 29 10 69.5 247.4 1.4 56.4 174 F 1 4400 Schedule for VLBA_LA (Code La ) 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 16 29 10 67.8 252.8 1.6 60.3 -6 1 11 4400 13 28 00 13 29 30 --- 16 30 40 67.6 253.2 1.6 60.5 84 F 1 5000 13 29 30 3C310 16 30 40 69.3 247.9 1.4 56.8 -6 1 11 5000 13 29 30 13 32 30 --- 16 33 40 68.7 248.9 1.5 57.4 174 F 1 6200 13 32 30 J1453+2648 16 33 40 67.0 254.1 1.7 60.9 -5 1 11 6200 13 32 30 13 34 00 --- 16 35 11 66.7 254.5 1.7 61.1 85 F 1 6800 13 34 00 3C310 16 35 11 68.4 249.4 1.5 57.7 -5 1 11 6800 13 34 00 13 37 00 --- 16 38 11 67.8 250.4 1.6 58.2 175 F 1 8000 13 37 00 J1453+2648 16 38 11 66.1 255.3 1.7 61.5 -5 1 11 8000 13 37 00 13 38 30 --- 16 39 41 65.8 255.7 1.8 61.7 85 F 1 8600 13 38 30 3C310 16 39 41 67.5 250.8 1.6 58.5 -6 1 11 8600 13 38 30 13 41 30 --- 16 42 42 67.0 251.7 1.6 59.0 174 F 1 9800 13 41 30 J1453+2648 16 42 42 65.2 256.4 1.8 62.1 -6 1 11 9800 13 41 30 13 43 00 --- 16 44 12 64.9 256.8 1.8 62.3 84 F 1 10400 13 43 00 3C310 16 44 12 66.7 252.2 1.7 59.3 -6 1 11 10400 13 43 00 13 46 00 --- 16 47 13 66.1 253.0 1.7 59.7 174 F 1 11600 13 46 00 J1453+2648 16 47 13 64.3 257.5 1.9 62.6 -6 1 11 11600 13 46 00 13 47 30 --- 16 48 43 64.0 257.9 1.9 62.7 84 F 1 12200 13 47 30 3C310 16 48 43 65.8 253.5 1.7 59.9 -6 1 11 12200 13 47 30 13 50 30 --- 16 51 43 65.2 254.3 1.8 60.3 174 F 1 13400 13 50 30 J1453+2648 16 51 43 63.4 258.6 2.0 63.0 -6 1 11 13400 13 50 30 13 52 00 --- 16 53 14 63.1 258.9 2.0 63.1 84 F 1 14000 13 52 00 3C310 16 53 14 64.9 254.7 1.8 60.5 -6 1 11 14000 13 52 00 13 55 00 --- 16 56 14 64.3 255.4 1.9 60.9 174 F 1 15200 13 55 00 J1453+2648 16 56 14 62.5 259.6 2.0 63.4 -6 1 11 15200 13 55 00 13 56 30 --- 16 57 44 62.2 259.9 2.1 63.5 84 F 1 15800 13 56 30 3C310 16 57 44 64.0 255.8 1.9 61.1 -6 1 11 15800 13 56 30 13 59 30 --- 17 00 45 63.4 256.5 1.9 61.4 174 F 1 17000 13 59 30 J1453+2648 17 00 45 61.6 260.5 2.1 63.7 -6 1 11 17000 13 59 30 14 01 00 --- 17 02 15 61.3 260.9 2.1 63.8 84 F 1 17600 Schedule for VLBA_LA (Code La ) 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 17 04 15 52.1 271.7 3.0 67.3 100 1 12 17600 14 03 00 14 04 30 --- 17 05 46 51.8 271.9 3.0 67.2 90 R 1 17000 14 04 30 J1453+2648 17 05 46 60.6 261.6 2.2 64.0 -20 1 12 17000 14 04 30 14 06 30 --- 17 07 46 60.2 262.0 2.2 64.2 100 R 1 16200 14 06 30 3C310 17 07 46 62.1 258.2 2.0 62.1 -6 1 12 16200 14 06 30 14 09 30 --- 17 10 46 61.5 258.8 2.1 62.3 174 R 1 15000 14 09 30 J1453+2648 17 10 46 59.6 262.5 2.3 64.3 -6 1 12 15000 14 09 30 14 11 00 --- 17 12 17 59.3 262.8 2.3 64.4 84 R 1 14400 14 11 00 3C310 17 12 17 61.2 259.2 2.1 62.5 -6 1 12 14400 14 11 00 14 14 00 --- 17 15 17 60.6 259.8 2.2 62.7 174 R 1 13200 14 14 00 J1453+2648 17 15 17 58.7 263.4 2.4 64.5 -6 1 12 13200 14 14 00 14 15 30 --- 17 16 47 58.4 263.7 2.4 64.6 84 R 1 12600 14 15 30 3C310 17 16 47 60.3 260.1 2.2 62.8 -6 1 12 12600 14 15 30 14 18 30 --- 17 19 48 59.7 260.7 2.2 63.0 174 R 1 11400 14 18 30 J1453+2648 17 19 48 57.8 264.2 2.4 64.7 -6 1 12 11400 14 18 30 14 20 00 --- 17 21 18 57.5 264.5 2.5 64.8 84 R 1 10800 14 20 00 3C310 17 21 18 59.4 261.0 2.3 63.1 -6 1 12 10800 14 20 00 14 23 00 --- 17 24 19 58.7 261.6 2.3 63.3 174 R 1 9600 14 23 00 J1453+2648 17 24 19 56.9 265.0 2.5 64.9 -6 1 12 9600 14 23 00 14 24 30 --- 17 25 49 56.6 265.3 2.5 64.9 84 R 1 9000 14 24 30 3C310 17 25 49 58.4 261.9 2.3 63.4 -6 1 12 9000 14 24 30 14 27 30 --- 17 28 49 57.8 262.5 2.4 63.5 174 R 1 7800 14 27 30 J1453+2648 17 28 49 56.0 265.8 2.6 65.0 -6 1 12 7800 14 27 30 14 29 00 --- 17 30 20 55.6 266.0 2.6 65.1 84 R 1 7200 14 29 00 3C310 17 30 20 57.5 262.8 2.4 63.6 -6 1 12 7200 14 29 00 14 32 00 --- 17 33 20 56.9 263.3 2.5 63.7 174 R 1 6000 14 32 00 J1453+2648 17 33 20 55.0 266.5 2.7 65.1 -6 1 12 6000 14 32 00 14 33 30 --- 17 34 50 54.7 266.8 2.7 65.2 84 R 1 5400 14 33 30 3C310 17 34 50 56.6 263.6 2.5 63.8 -6 1 12 5400 14 33 30 14 36 30 --- 17 37 51 56.0 264.1 2.5 63.9 174 R 1 4200 Schedule for VLBA_LA (Code La ) 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 17 37 51 54.1 267.3 2.7 65.2 -6 1 12 4200 14 36 30 14 38 00 --- 17 39 21 53.8 267.5 2.8 65.2 84 R 1 3600 14 38 00 3C310 17 39 21 55.7 264.4 2.6 64.0 -6 1 12 3600 14 38 00 14 41 00 --- 17 42 22 55.1 264.9 2.6 64.1 174 R 1 2400 14 41 00 J1453+2648 17 42 22 53.2 268.0 2.8 65.3 -6 1 12 2400 14 41 00 14 42 30 --- 17 43 52 52.9 268.2 2.8 65.3 84 R 1 1800 14 42 30 3C310 17 43 52 54.8 265.2 2.6 64.1 -6 1 12 1800 14 42 30 14 45 30 --- 17 46 52 54.2 265.7 2.7 64.2 174 R 1 600 14 45 30 J1453+2648 17 46 52 52.3 268.7 2.9 65.3 -6 1 12 600 14 45 30 14 47 00 --- 17 48 23 52.0 268.9 2.9 65.3 84 R 1 0 14 49 00 OQ208 17 50 23 42.8 277.7 3.7 66.1 100 1 13 0 14 49 00 14 50 30 --- 17 51 53 42.5 277.8 3.7 66.1 90 F 1 600 14 50 30 J1453+2648 17 51 53 51.3 269.4 3.0 65.4 -20 1 13 600 14 50 30 14 52 30 --- 17 53 54 50.9 269.7 3.0 65.4 100 F 1 1400 14 52 30 3C310 17 53 54 52.8 266.8 2.8 64.3 -6 1 13 1400 14 52 30 14 55 30 --- 17 56 54 52.2 267.3 2.9 64.4 174 F 1 2600 14 55 30 J1453+2648 17 56 54 50.3 270.1 3.0 65.4 -6 1 13 2600 14 55 30 14 57 00 --- 17 58 24 50.0 270.4 3.1 65.4 84 F 1 3200 14 57 00 3C310 17 58 24 51.9 267.6 2.9 64.4 -6 1 13 3200 14 57 00 15 00 00 --- 18 01 25 51.3 268.0 2.9 64.5 174 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