COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: Monitoring of 1633+382 after a Flare Exp. Code: bk092a Schedule Version: 2.00 Processed by SCHED version: Release of 02 July 2002 PI: T.P. Krichbaum Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121 Bonn Germany Phone: 0049-228-525-295 EMAIL: tkrichbaum@mpifr-bonn.mpg.de Fax: 0049-228-525-229 Phone during observation: 0049-228-525-295 Observing mode: 256-8-2 Notes: Will use automatic reference pointing. use 1749+096, 3C345 as EVPA and 3C454.3 as fringe calibrator Schedule for VLBA_BR (Code Br ) Page 2 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 28 Aug 2002 Day 240 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 18 50 33 1633+382 09 19 06 16.8 50.9 -7.3 -41.2 0 1 1 0 18 50 33 18 57 32 --- 09 26 06 17.7 52.0 -7.2 -42.0 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 18 57 32 1633+382 09 26 06 17.7 52.0 -7.2 -42.0 -6 1 1 5585 18 57 32 19 05 30 --- 09 34 06 18.7 53.2 -7.0 -42.8 473 F 1 11967 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 19 17 28 1633+382 09 46 06 20.4 55.1 -6.8 -44.1 709 1 1 11967 19 17 28 19 24 27 --- 09 53 06 21.3 56.1 -6.7 -44.8 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 19 24 27 1633+382 09 53 06 21.3 56.1 -6.7 -44.8 -6 1 2 17552 19 24 27 19 32 26 --- 10 01 06 22.4 57.3 -6.6 -45.6 473 R 1 11169 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 19 41 25 3C345 10 10 06 23.8 56.2 -6.5 -46.2 530 1 2 11169 19 41 25 19 45 24 --- 10 14 06 24.3 56.8 -6.5 -46.6 239 R 1 7978 Schedule for VLBA_BR (Code Br ) Page 3 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 28 Aug 2002 Day 240 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 19 45 24 3C345 10 14 06 24.3 56.8 -6.5 -46.6 -6 1 2 7978 19 45 24 19 48 23 --- 10 17 06 24.8 57.2 -6.4 -46.9 174 R 1 5585 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 19 57 22 1633+382 10 26 06 26.0 61.0 -6.2 -47.9 530 1 2 5585 19 57 22 20 01 21 --- 10 30 06 26.6 61.6 -6.1 -48.3 239 R 1 2393 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 20 01 21 1633+382 10 30 06 26.6 61.6 -6.1 -48.3 -6 1 2 2393 20 01 21 20 04 21 --- 10 33 06 27.0 62.0 -6.0 -48.5 174 R 1 0 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 20 16 19 1633+382 10 45 06 28.8 63.8 -5.8 -49.6 708 1 3 0 20 16 19 20 23 18 --- 10 52 06 29.9 64.8 -5.7 -50.1 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 20 23 18 1633+382 10 52 06 29.9 64.8 -5.7 -50.1 -6 1 3 5585 20 23 18 20 31 16 --- 11 00 06 31.1 65.9 -5.6 -50.8 473 F 1 11967 Schedule for VLBA_BR (Code Br ) Page 4 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 28 Aug 2002 Day 240 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 20 43 14 1633+382 11 12 06 32.9 67.7 -5.4 -51.7 708 1 3 11967 20 43 14 20 50 13 --- 11 19 06 34.0 68.7 -5.3 -52.2 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 20 50 13 1633+382 11 19 06 34.0 68.7 -5.3 -52.2 -6 1 4 17552 20 50 13 20 58 12 --- 11 27 06 35.3 69.9 -5.1 -52.8 473 R 1 11169 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 21 07 10 3C345 11 36 06 36.5 68.4 -5.1 -53.9 530 1 4 11169 21 07 10 21 11 10 --- 11 40 06 37.1 69.0 -5.0 -54.2 239 R 1 7978 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 21 11 10 3C345 11 40 06 37.1 69.0 -5.0 -54.2 -6 1 4 7978 21 11 10 21 14 09 --- 11 43 06 37.6 69.4 -5.0 -54.4 174 R 1 5585 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 21 23 08 1633+382 11 52 06 39.2 73.5 -4.7 -54.5 529 1 4 5585 21 23 08 21 27 07 --- 11 56 06 39.9 74.1 -4.7 -54.7 239 R 1 2393 Schedule for VLBA_BR (Code Br ) Page 5 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 28 Aug 2002 Day 240 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 21 27 07 1633+382 11 56 06 39.9 74.1 -4.7 -54.7 -6 1 4 2393 21 27 07 21 30 07 --- 11 59 06 40.3 74.6 -4.6 -54.9 174 R 1 0 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 21 42 05 1633+382 12 11 06 42.3 76.4 -4.4 -55.5 708 1 5 0 21 42 05 21 49 04 --- 12 18 06 43.4 77.4 -4.3 -55.9 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 21 49 04 1633+382 12 18 06 43.4 77.4 -4.3 -55.9 -6 1 5 5585 21 49 04 21 57 02 --- 12 26 06 44.7 78.6 -4.2 -56.3 473 F 1 11967 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 22 09 00 1633+382 12 38 06 46.7 80.5 -4.0 -56.8 708 1 5 11967 22 09 00 22 15 59 --- 12 45 06 47.9 81.6 -3.8 -57.1 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 22 15 59 1633+382 12 45 06 47.9 81.6 -3.8 -57.1 -6 1 6 17552 22 15 59 22 23 58 --- 12 53 06 49.2 82.9 -3.7 -57.4 473 R 1 11169 Schedule for VLBA_BR (Code Br ) Page 6 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 28 Aug 2002 Day 240 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 22 32 56 1749+096 13 02 06 18.9 96.7 -4.8 -42.3 472 1 6 11169 22 32 56 22 36 56 --- 13 06 06 19.6 97.5 -4.8 -42.2 239 R 1 7978 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 22 36 56 1749+096 13 06 06 19.6 97.5 -4.8 -42.2 -6 1 6 7978 22 36 56 22 39 55 --- 13 09 06 20.1 98.0 -4.7 -42.1 174 R 1 5585 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 22 48 54 3C345 13 18 06 52.9 83.4 -3.4 -59.7 467 1 6 5585 22 48 54 22 52 53 --- 13 22 06 53.6 84.1 -3.3 -59.8 239 R 1 2393 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 22 52 53 3C345 13 22 06 53.6 84.1 -3.3 -59.8 -6 1 6 2393 22 52 53 22 55 53 --- 13 25 06 54.1 84.5 -3.3 -59.9 174 R 1 0 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 23 07 51 1633+382 13 37 06 56.5 90.5 -3.0 -58.0 707 1 7 0 23 07 51 23 14 49 --- 13 44 06 57.7 91.9 -2.9 -58.0 419 F 1 5585 Schedule for VLBA_BR (Code Br ) Page 7 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 28 Aug 2002 Day 240 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 23 14 49 1633+382 13 44 06 57.7 91.9 -2.9 -58.0 -6 1 7 5585 23 14 49 23 22 48 --- 13 52 06 59.0 93.5 -2.7 -57.9 473 F 1 11967 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 23 34 46 1633+382 14 04 06 61.0 96.0 -2.5 -57.6 708 1 7 11967 23 34 46 23 41 45 --- 14 11 06 62.2 97.5 -2.4 -57.3 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 23 41 45 1633+382 14 11 06 62.2 97.5 -2.4 -57.3 -6 1 8 17552 23 41 45 23 49 44 --- 14 19 06 63.5 99.4 -2.3 -56.8 473 R 1 11169 --- Start: Wed 28 Aug 2002 Day 240 -- Stop: Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 23 58 42 1749+096 14 28 06 32.7 114.7 -3.4 -38.0 471 1 8 11169 23 58 42 00 02 42 --- 14 32 06 33.3 115.6 -3.3 -37.6 239 R 1 7978 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 00 02 42 1749+096 14 32 06 33.3 115.6 -3.3 -37.6 -6 1 8 7978 00 02 42 00 05 41 --- 14 35 06 33.7 116.3 -3.3 -37.4 174 R 1 5585 Schedule for VLBA_BR (Code Br ) Page 8 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 00 14 40 3C345 14 44 06 67.2 100.3 -2.0 -58.7 466 1 8 5585 00 14 40 00 18 39 --- 14 48 06 67.9 101.4 -1.9 -58.4 239 R 1 2393 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 00 18 39 3C345 14 48 06 67.9 101.4 -1.9 -58.4 -6 1 8 2393 00 18 39 00 21 39 --- 14 51 06 68.4 102.2 -1.9 -58.1 174 R 1 0 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 00 33 37 1633+382 15 03 06 70.5 112.4 -1.5 -51.7 705 1 9 0 00 33 37 00 40 35 --- 15 10 06 71.6 115.0 -1.4 -50.2 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 00 40 35 1633+382 15 10 06 71.6 115.0 -1.4 -50.2 -6 1 9 5585 00 40 35 00 48 34 --- 15 18 06 72.8 118.4 -1.3 -48.3 473 F 1 11967 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 01 00 32 1633+382 15 30 06 74.5 124.2 -1.1 -44.6 708 1 9 11967 01 00 32 01 07 31 --- 15 37 06 75.5 128.0 -1.0 -41.9 419 F 1 17552 Schedule for VLBA_BR (Code Br ) Page 9 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 01 07 31 1633+382 15 37 06 75.5 128.0 -1.0 -41.9 -6 1 10 17552 01 07 31 01 15 30 --- 15 45 06 76.5 133.0 -0.8 -38.4 473 R 1 11169 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 01 24 28 1749+096 15 54 06 44.3 137.5 -2.0 -27.2 468 1 10 11169 01 24 28 01 28 28 --- 15 58 06 44.7 138.7 -1.9 -26.5 239 R 1 7978 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 01 28 28 1749+096 15 58 06 44.7 138.7 -1.9 -26.5 -6 1 10 7978 01 28 28 01 31 27 --- 16 01 06 45.1 139.7 -1.8 -26.0 174 R 1 5585 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 01 40 26 3C345 16 10 06 79.8 141.6 -0.5 -32.7 463 1 10 5585 01 40 26 01 44 25 --- 16 14 06 80.2 145.4 -0.5 -29.6 239 R 1 2393 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 01 44 25 3C345 16 14 06 80.2 145.4 -0.5 -29.6 -6 1 10 2393 01 44 25 01 47 24 --- 16 17 06 80.5 148.4 -0.4 -27.1 174 R 1 0 Schedule for VLBA_BR (Code Br ) Page 10 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 01 59 22 1633+382 16 29 06 79.9 172.9 -0.1 -6.0 696 1 11 0 01 59 22 02 06 21 --- 16 36 06 80.0 180.8 0.0 0.7 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 02 06 21 1633+382 16 36 06 80.0 180.8 0.0 0.7 -6 1 11 5585 02 06 21 02 14 20 --- 16 44 06 79.9 189.8 0.1 8.3 473 F 1 11967 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 02 26 18 1633+382 16 56 06 79.3 202.6 0.3 19.0 704 1 11 11967 02 26 18 02 33 17 --- 17 03 06 78.8 209.3 0.5 24.5 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 02 33 17 1633+382 17 03 06 78.8 209.3 0.5 24.5 -6 1 12 17552 02 33 17 02 41 16 --- 17 11 06 78.1 216.3 0.6 30.1 473 R 1 11169 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 02 50 14 1749+096 17 20 06 51.0 167.6 -0.5 -8.4 478 1 12 11169 02 50 14 02 54 13 --- 17 24 06 51.1 169.1 -0.5 -7.3 239 R 1 7978 Schedule for VLBA_BR (Code Br ) Page 11 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 02 54 13 1749+096 17 24 06 51.1 169.1 -0.5 -7.3 -6 1 12 7978 02 54 13 02 57 13 --- 17 27 06 51.2 170.3 -0.4 -6.5 174 R 1 5585 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 03 06 11 3C345 17 36 06 77.4 233.7 0.9 44.4 480 1 12 5585 03 06 11 03 10 11 --- 17 40 06 76.8 236.1 1.0 46.2 239 R 1 2393 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 03 10 11 3C345 17 40 06 76.8 236.1 1.0 46.2 -6 1 12 2393 03 10 11 03 13 10 --- 17 43 06 76.4 237.8 1.0 47.3 174 R 1 0 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 03 25 08 1633+382 17 55 06 72.4 242.7 1.3 48.9 704 1 13 0 03 25 08 03 32 07 --- 18 02 06 71.4 245.6 1.4 50.6 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 03 32 07 1633+382 18 02 06 71.4 245.6 1.4 50.6 -6 1 13 5585 03 32 07 03 40 06 --- 18 10 06 70.2 248.5 1.6 52.2 473 F 1 11967 Schedule for VLBA_BR (Code Br ) Page 12 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 03 52 04 1633+382 18 22 06 68.3 252.5 1.8 54.0 708 1 13 11967 03 52 04 03 59 03 --- 18 29 06 67.1 254.6 1.9 54.9 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 03 59 03 1633+382 18 29 06 67.1 254.6 1.9 54.9 -6 1 14 17552 03 59 03 04 07 01 --- 18 37 06 65.8 256.9 2.0 55.7 473 R 1 11169 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 04 16 00 1749+096 18 46 06 49.9 201.1 0.9 14.1 495 1 14 11169 04 16 00 04 19 59 --- 18 50 06 49.6 202.6 1.0 15.1 239 R 1 7978 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 04 19 59 1749+096 18 50 06 49.6 202.6 1.0 15.1 -6 1 14 7978 04 19 59 04 22 59 --- 18 53 06 49.4 203.7 1.0 15.8 174 R 1 5585 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 04 31 57 3C345 19 02 06 63.9 264.4 2.3 59.9 492 1 14 5585 04 31 57 04 35 57 --- 19 06 06 63.2 265.3 2.4 60.0 239 R 1 2393 Schedule for VLBA_BR (Code Br ) Page 13 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 04 35 57 3C345 19 06 06 63.2 265.3 2.4 60.0 -6 1 14 2393 04 35 57 04 38 56 --- 19 09 06 62.7 265.9 2.4 60.1 174 R 1 0 ----------- Tape Change ------------ Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 04 50 54 1633+382 19 21 06 58.6 267.0 2.8 57.9 704 2 1 0 04 50 54 04 57 53 --- 19 28 06 57.4 268.4 2.9 58.0 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 04 57 53 1633+382 19 28 06 57.4 268.4 2.9 58.0 -6 2 1 5585 04 57 53 05 05 52 --- 19 36 06 56.1 269.9 3.0 58.1 473 F 1 11967 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 05 17 50 1633+382 19 48 06 54.1 272.1 3.2 58.0 708 2 1 11967 05 17 50 05 24 49 --- 19 55 06 52.9 273.3 3.3 57.9 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 05 24 49 1633+382 19 55 06 52.9 273.3 3.3 57.9 -6 2 2 17552 05 24 49 05 32 47 --- 20 03 06 51.6 274.7 3.5 57.7 473 R 1 11169 Schedule for VLBA_BR (Code Br ) Page 14 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 05 41 46 1749+096 20 12 06 41.5 229.2 2.3 30.9 502 2 2 11169 05 41 46 05 45 45 --- 20 16 06 41.0 230.4 2.4 31.4 239 R 1 7978 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 05 45 45 1749+096 20 16 06 41.0 230.4 2.4 31.4 -6 2 2 7978 05 45 45 05 48 45 --- 20 19 06 40.6 231.2 2.5 31.8 174 R 1 5585 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 05 57 43 3C345 20 28 06 49.6 279.7 3.8 58.9 500 2 2 5585 05 57 43 06 01 43 --- 20 32 06 48.9 280.3 3.8 58.7 239 R 1 2393 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 06 01 43 3C345 20 32 06 48.9 280.3 3.8 58.7 -6 2 2 2393 06 01 43 06 04 42 --- 20 35 06 48.5 280.8 3.9 58.6 174 R 1 0 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 06 16 40 1633+382 20 47 06 44.3 281.7 4.2 56.2 704 2 3 0 06 16 40 06 23 39 --- 20 54 06 43.2 282.8 4.3 55.8 419 F 1 5585 Schedule for VLBA_BR (Code Br ) Page 15 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 06 23 39 1633+382 20 54 06 43.2 282.8 4.3 55.8 -6 2 3 5585 06 23 39 06 31 38 --- 21 02 06 41.9 284.0 4.4 55.4 473 F 1 11967 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 06 43 36 1633+382 21 14 06 39.9 285.8 4.6 54.7 708 2 3 11967 06 43 36 06 50 35 --- 21 21 06 38.8 286.8 4.8 54.3 419 F 1 17552 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 06 50 35 1633+382 21 21 06 38.8 286.8 4.8 54.3 -6 2 4 17552 06 50 35 06 58 33 --- 21 29 06 37.6 288.0 4.9 53.8 473 R 1 11169 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 07 07 32 1633+382 21 38 06 36.1 289.3 5.0 53.2 530 2 4 11169 07 07 32 07 11 31 --- 21 42 06 35.5 289.9 5.1 52.9 239 R 1 7978 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 07 11 31 1633+382 21 42 06 35.5 289.9 5.1 52.9 -6 2 4 7978 07 11 31 07 14 31 --- 21 45 06 35.0 290.3 5.2 52.7 174 R 1 5585 Schedule for VLBA_BR (Code Br ) Page 16 Monitoring of 1633+382 after a Flare 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. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 29 Aug 2002 Day 241 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 07 23 29 1749+096 21 54 06 26.6 253.9 4.0 40.6 508 2 4 5585 07 23 29 07 27 29 --- 21 58 06 26.0 254.7 4.1 40.8 239 R 1 2393 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 07 27 29 1749+096 21 58 06 26.0 254.7 4.1 40.8 -6 2 4 2393 07 27 29 07 30 28 --- 22 01 06 25.5 255.3 4.2 40.9 174 R 1 0 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 07 42 26 3C454.3 22 13 06 56.9 161.7 -0.7 -12.6 649 2 5 0 07 42 26 07 49 25 --- 22 20 06 57.3 164.8 -0.6 -10.5 419 F 1 5585 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 07 49 25 3C454.3 22 20 06 57.3 164.8 -0.6 -10.5 -6 2 5 5585 07 49 25 07 57 24 --- 22 28 06 57.6 168.3 -0.4 -8.1 473 F 1 11967 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v7mm-256-8-2.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 2 Station: VLBA Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C VLBA FE= 7mm omit 7mm omit VLBA Synth= 15.4 7.6 11.6 The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. Used pcal sets: 2 LO sum= 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 BBC fr= 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto Setup file: v1cm-256-8-2.set Matches group v1cm_b3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 3 Station: VLBA Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 1cm omit 1cm VLBA Synth= 9.1 15.4 12.4 The following frequency sets based on this setup were used. Frequency Set: 4 Setup file default. Used pcal sets: 2 LO sum= 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 BBC fr= 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- Monitoring of 1633+382 after a Flare 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) J1635+3808 16 33 30.625098 * 16 35 15.492973 16 35 20.592847 1633+38 38 14 10.08283 * 38 08 04.50060 38 08 02.11363 * 1633+382 /home/filehost/cwalker/sched/catalogs/sources.vlba J1635+38 ICRF - Ext.1 Source - 1998 IERS Annual Report J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 03.794508 1641+399 39 54 10.81489 * 39 48 36.99395 39 48 36.30817 * 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report J1733-1304 17 30 13.535192 * 17 33 02.705790 17 33 11.049172 * 1730-130 -13 02 45.83975 *-13 04 49.54823 -13 04 54.94911 J1733-13 /home/filehost/cwalker/sched/catalogs/sources.vlba NRAO530 ICRF - Ext.1 Source - 1998 IERS Annual Report J1751+0939 17 49 10.387930 * 17 51 32.818573 17 51 40.005301 * 1749+096 09 39 42.82596 * 09 39 00.72851 09 39 06.11346 J1751+09 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 05.929856 2251+158 15 52 54.34806 * 16 08 53.56089 16 09 43.93698 * 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba J2253+16 ICRF - Ext.1 Source - 1998 IERS Annual Report * P-SCRB 15 19 21.510697 * 15 21 23.940000 15 21 29.401141 SIO-SCRB 31 32 46.02509 * 31 22 03.30000 31 21 46.83687 /home/filehost/cwalker/sched/catalogs/sources.pointing sest pos & vel * P-UHER 16 23 34.717051 * 16 25 47.520000 16 25 53.822271 SIO-UHER 19 00 17.57350 * 18 53 32.80000 18 53 24.32727 /home/filehost/cwalker/sched/catalogs/sources.pointing * P-CHICYG 19 48 38.407273 * 19 50 33.900000 19 50 40.452770 SIO-CHICYG 32 47 10.13512 * 32 54 51.30000 32 55 22.67175 CHICYG /home/filehost/cwalker/sched/catalogs/sources.pointing sest + old avgd. * P-RRAQL 19 55 00.381041 * 19 57 36.160000 19 57 44.491381 -02 01 17.53981 *-01 53 10.50000 -01 52 43.09166 /home/filehost/cwalker/sched/catalogs/sources.pointing sest 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) 1633+382 85.3 3C345 86.5 1730-130 107.5 1749+096 108.3 3C454.3 153.6 P-SCRB 70.6 P-UHER 86.1 P-CHICYG 123.2 P-RRAQL 141.5 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