COVER INFORMATION Station: VLBA_LA (Code La ) Experiment: Polarimetric monitoring of the jet in NRAO 150 Exp. Code: BA071B Schedule Version: 1.00 Processed by SCHED version: NRAO internal release of 4 October 2004 PI: Ivan Agudo Address: Max-Planck-Institut fuer Radioastronomie MPIfR Auf dem Huegel 69 D-53121 Bonn / Germany Phone: 49-228-525-191 EMAIL: iagudo@mpifr-bonn.mpg.de Fax: 49-228-525-229 Phone during observation: Observing mode: VLBA 128-4-2: 2/1.3/0.7 cm dual-pol Notes: Fringe Finder: NRAO150 PA and Gain calibrators: 0716+714 and DA193 Schedule for VLBA_LA (Code La ) Page 2 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Mon 20 Dec 2004 Day 355 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 23 13 00 0716+714 22 07 30 21.0 13.1 -9.3 -35.0 0 1 1 0 23 13 00 23 16 59 --- 22 11 30 21.2 13.3 -9.2 -35.8 239 F 1 1596 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 23 16 59 0716+714 22 11 30 21.2 13.3 -9.2 -35.8 -4 1 1 1596 23 16 59 23 24 58 --- 22 19 30 21.6 13.9 -9.1 -37.5 475 F 1 4787 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 23 24 58 0716+714 22 19 30 21.6 13.9 -9.1 -37.5 -4 1 1 4787 23 24 58 23 34 56 --- 22 29 30 22.1 14.6 -8.9 -39.6 594 F 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 23 36 26 NRAO150 22 31 00 31.6 47.1 -5.5 -70.6 62 1 1 8776 23 36 26 23 40 25 --- 22 35 00 32.2 47.3 -5.4 -71.3 239 F 1 10372 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 23 40 25 NRAO150 22 35 00 32.2 47.3 -5.4 -71.3 -4 1 1 10372 23 40 25 23 48 24 --- 22 43 00 33.3 47.8 -5.3 -72.6 475 F 1 13563 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 23 48 24 NRAO150 22 43 00 33.3 47.8 -5.3 -72.6 -4 1 1 13563 23 48 24 23 58 22 --- 22 53 00 34.9 48.3 -5.1 -74.2 594 F 1 17552 Schedule for VLBA_LA (Code La ) Page 3 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Start: Mon 20 Dec 2004 Day 355 -- Stop: Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 23 58 22 NRAO150 22 53 00 34.9 48.3 -5.1 -74.2 -4 1 2 17552 23 58 22 00 02 21 --- 22 57 00 35.5 48.5 -5.0 -74.9 235 R 1 15956 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 00 02 21 NRAO150 22 57 00 35.5 48.5 -5.0 -74.9 -4 1 2 15956 00 02 21 00 10 20 --- 23 05 00 36.7 48.9 -4.9 -76.2 475 R 1 12765 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 00 10 20 NRAO150 23 05 00 36.7 48.9 -4.9 -76.2 -4 1 2 12765 00 10 20 00 20 18 --- 23 15 00 38.2 49.3 -4.7 -77.9 594 R 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 00 20 18 NRAO150 23 15 00 38.2 49.3 -4.7 -77.9 -4 1 2 8776 00 20 18 00 24 18 --- 23 19 00 38.8 49.5 -4.7 -78.5 235 R 1 7180 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 00 24 18 NRAO150 23 19 00 38.8 49.5 -4.7 -78.5 -4 1 2 7180 00 24 18 00 32 16 --- 23 27 00 40.1 49.8 -4.5 -79.9 475 R 1 3989 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 00 32 16 NRAO150 23 27 00 40.1 49.8 -4.5 -79.9 -4 1 2 3989 00 32 16 00 42 15 --- 23 37 00 41.6 50.1 -4.4 -81.6 594 R 1 0 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 00 44 44 DA193 23 39 30 19.3 54.2 -6.3 -59.0 99 1 3 0 00 44 44 00 48 44 --- 23 43 30 19.9 54.7 -6.2 -59.5 239 F 1 1596 Schedule for VLBA_LA (Code La ) Page 4 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 00 48 44 DA193 23 43 30 19.9 54.7 -6.2 -59.5 -4 1 3 1596 00 48 44 00 56 42 --- 23 51 30 21.2 55.5 -6.1 -60.5 475 F 1 4787 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 00 56 42 DA193 23 51 30 21.2 55.5 -6.1 -60.5 -4 1 3 4787 00 56 42 01 06 41 --- 00 01 30 22.9 56.5 -5.9 -61.7 594 F 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 01 09 10 NRAO150 00 04 00 45.8 50.8 -3.9 -86.4 98 1 3 8776 01 09 10 01 13 10 --- 00 08 00 46.5 50.8 -3.9 -87.2 239 F 1 10372 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 01 13 10 NRAO150 00 08 00 46.5 50.8 -3.9 -87.2 -4 1 3 10372 01 13 10 01 21 08 --- 00 16 00 47.7 50.9 -3.7 -88.7 475 F 1 13563 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 01 21 08 NRAO150 00 16 00 47.7 50.9 -3.7 -88.7 -4 1 3 13563 01 21 08 01 31 07 --- 00 26 00 49.3 50.9 -3.6 -90.6 594 F 1 17552 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 01 31 07 NRAO150 00 26 00 49.3 50.9 -3.6 -90.6 -4 1 4 17552 01 31 07 01 35 06 --- 00 30 00 49.9 50.9 -3.5 -91.4 235 R 1 15956 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 01 35 06 NRAO150 00 30 00 49.9 50.9 -3.5 -91.4 -4 1 4 15956 01 35 06 01 43 05 --- 00 38 00 51.2 50.8 -3.4 -93.0 475 R 1 12765 Schedule for VLBA_LA (Code La ) Page 5 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 01 43 05 NRAO150 00 38 00 51.2 50.8 -3.4 -93.0 -4 1 4 12765 01 43 05 01 53 03 --- 00 48 00 52.8 50.6 -3.2 -95.1 594 R 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 01 53 03 NRAO150 00 48 00 52.8 50.6 -3.2 -95.1 -4 1 4 8776 01 53 03 01 57 03 --- 00 52 00 53.4 50.5 -3.1 -96.0 235 R 1 7180 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 01 57 03 NRAO150 00 52 00 53.4 50.5 -3.1 -96.0 -4 1 4 7180 01 57 03 02 05 01 --- 01 00 00 54.6 50.3 -3.0 -97.7 475 R 1 3989 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 02 05 01 NRAO150 01 00 00 54.6 50.3 -3.0 -97.7 -4 1 4 3989 02 05 01 02 15 00 --- 01 10 00 56.2 49.8 -2.8 -100.0 594 R 1 0 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 02 16 29 0716+714 01 11 30 32.8 22.3 -6.2 -74.5 37 1 5 0 02 16 29 02 20 29 --- 01 15 30 33.1 22.4 -6.1 -75.4 239 F 1 1596 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 02 20 29 0716+714 01 15 30 33.1 22.4 -6.1 -75.4 -4 1 5 1596 02 20 29 02 28 27 --- 01 23 30 33.7 22.6 -6.0 -77.2 475 F 1 4787 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 02 28 27 0716+714 01 23 30 33.7 22.6 -6.0 -77.2 -4 1 5 4787 02 28 27 02 38 26 --- 01 33 30 34.5 22.8 -5.8 -79.5 594 F 1 8776 Schedule for VLBA_LA (Code La ) Page 6 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 02 39 56 NRAO150 01 35 00 60.0 48.1 -2.4 -106.3 33 1 5 8776 02 39 56 02 43 55 --- 01 39 00 60.6 47.8 -2.3 -107.4 239 F 1 10372 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 02 43 55 NRAO150 01 39 00 60.6 47.8 -2.3 -107.4 -4 1 5 10372 02 43 55 02 51 54 --- 01 47 00 61.8 46.9 -2.2 -109.7 475 F 1 13563 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 02 51 54 NRAO150 01 47 00 61.8 46.9 -2.2 -109.7 -4 1 5 13563 02 51 54 03 01 52 --- 01 57 00 63.3 45.7 -2.0 -112.8 594 F 1 17552 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 03 01 52 NRAO150 01 57 00 63.3 45.7 -2.0 -112.8 -4 1 6 17552 03 01 52 03 05 51 --- 02 01 00 63.9 45.1 -2.0 -114.0 235 R 1 15956 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 03 05 51 NRAO150 02 01 00 63.9 45.1 -2.0 -114.0 -4 1 6 15956 03 05 51 03 13 50 --- 02 09 00 65.0 43.9 -1.8 -116.7 475 R 1 12765 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 03 13 50 NRAO150 02 09 00 65.0 43.9 -1.8 -116.7 -4 1 6 12765 03 13 50 03 23 48 --- 02 19 00 66.4 42.1 -1.7 -120.3 594 R 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 03 23 48 NRAO150 02 19 00 66.4 42.1 -1.7 -120.3 -4 1 6 8776 03 23 48 03 27 48 --- 02 23 00 66.9 41.2 -1.6 -121.9 235 R 1 7180 Schedule for VLBA_LA (Code La ) Page 7 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 03 27 48 NRAO150 02 23 00 66.9 41.2 -1.6 -121.9 -4 1 6 7180 03 27 48 03 35 46 --- 02 31 00 68.0 39.4 -1.5 -125.1 475 R 1 3989 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 03 35 46 NRAO150 02 31 00 68.0 39.4 -1.5 -125.1 -4 1 6 3989 03 35 46 03 45 45 --- 02 41 00 69.2 36.8 -1.3 -129.5 594 R 1 0 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 03 48 14 DA193 02 43 30 52.2 69.0 -3.2 -80.4 110 1 7 0 03 48 14 03 52 14 --- 02 47 30 53.0 69.2 -3.1 -80.9 239 F 1 1596 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 03 52 14 DA193 02 47 30 53.0 69.2 -3.1 -80.9 -4 1 7 1596 03 52 14 04 00 12 --- 02 55 30 54.5 69.6 -3.0 -81.8 475 F 1 4787 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 04 00 12 DA193 02 55 30 54.5 69.6 -3.0 -81.8 -4 1 7 4787 04 00 12 04 10 11 --- 03 05 30 56.4 70.0 -2.8 -83.1 594 F 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 04 12 40 NRAO150 03 08 00 72.2 27.5 -0.9 -143.5 112 1 7 8776 04 12 40 04 16 40 --- 03 12 00 72.5 25.8 -0.8 -145.9 239 F 1 10372 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 04 16 40 NRAO150 03 12 00 72.5 25.8 -0.8 -145.9 -4 1 7 10372 04 16 40 04 24 38 --- 03 20 00 73.2 22.1 -0.7 -150.9 475 F 1 13563 Schedule for VLBA_LA (Code La ) Page 8 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 04 24 38 NRAO150 03 20 00 73.2 22.1 -0.7 -150.9 -4 1 7 13563 04 24 38 04 34 37 --- 03 30 00 73.9 17.1 -0.5 -157.7 594 F 1 17552 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 04 34 37 NRAO150 03 30 00 73.9 17.1 -0.5 -157.7 -4 1 8 17552 04 34 37 04 38 36 --- 03 34 00 74.1 15.0 -0.4 -160.5 235 R 1 15956 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 04 38 36 NRAO150 03 34 00 74.1 15.0 -0.4 -160.5 -4 1 8 15956 04 38 36 04 46 35 --- 03 42 00 74.5 10.6 -0.3 -166.3 475 R 1 12765 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 04 46 35 NRAO150 03 42 00 74.5 10.6 -0.3 -166.3 -4 1 8 12765 04 46 35 04 56 33 --- 03 52 00 74.7 4.7 -0.1 -173.9 594 R 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 04 56 33 NRAO150 03 52 00 74.7 4.7 -0.1 -173.9 -4 1 8 8776 04 56 33 05 00 32 --- 03 56 00 74.8 2.3 -0.1 -177.0 235 R 1 7180 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 05 00 32 NRAO150 03 56 00 74.8 2.3 -0.1 -177.0 -4 1 8 7180 05 00 32 05 08 31 --- 04 04 00 74.8 -2.5 0.1 176.8 475 R 1 3989 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 05 08 31 NRAO150 04 04 00 74.8 -2.5 0.1 176.8 -4 1 8 3989 05 08 31 05 18 29 --- 04 14 00 74.6 -8.4 0.2 169.2 594 R 1 0 Schedule for VLBA_LA (Code La ) Page 9 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 05 19 59 0716+714 04 15 30 47.0 20.0 -3.1 -119.9 29 1 9 0 05 19 59 05 23 59 --- 04 19 30 47.3 19.8 -3.1 -121.0 239 F 1 1596 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 05 23 59 0716+714 04 19 30 47.3 19.8 -3.1 -121.0 -4 1 9 1596 05 23 59 05 31 57 --- 04 27 30 47.9 19.3 -2.9 -123.3 475 F 1 4787 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 05 31 57 0716+714 04 27 30 47.9 19.3 -2.9 -123.3 -4 1 9 4787 05 31 57 05 41 56 --- 04 37 30 48.5 18.6 -2.8 -126.1 594 F 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 05 43 25 NRAO150 04 39 00 73.2 -21.8 0.7 151.4 34 1 9 8776 05 43 25 05 47 25 --- 04 43 00 72.9 -23.7 0.7 148.9 239 F 1 10372 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 05 47 25 NRAO150 04 43 00 72.9 -23.7 0.7 148.9 -4 1 9 10372 05 47 25 05 55 23 --- 04 51 00 72.2 -27.2 0.9 144.0 475 F 1 13563 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 05 55 23 NRAO150 04 51 00 72.2 -27.2 0.9 144.0 -4 1 9 13563 05 55 23 06 05 22 --- 05 01 00 71.3 -31.1 1.0 138.3 594 F 1 17552 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 06 05 22 NRAO150 05 01 00 71.3 -31.1 1.0 138.3 -4 1 10 17552 06 05 22 06 09 21 --- 05 05 00 70.8 -32.5 1.1 136.2 235 R 1 15956 Schedule for VLBA_LA (Code La ) Page 10 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 06 09 21 NRAO150 05 05 00 70.8 -32.5 1.1 136.2 -4 1 10 15956 06 09 21 06 17 20 --- 05 13 00 69.9 -35.1 1.2 132.2 475 R 1 12765 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 06 17 20 NRAO150 05 13 00 69.9 -35.1 1.2 132.2 -4 1 10 12765 06 17 20 06 27 18 --- 05 23 00 68.7 -38.0 1.4 127.6 594 R 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 06 27 18 NRAO150 05 23 00 68.7 -38.0 1.4 127.6 -4 1 10 8776 06 27 18 06 31 18 --- 05 27 00 68.2 -39.0 1.5 125.8 235 R 1 7180 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 06 31 18 NRAO150 05 27 00 68.2 -39.0 1.5 125.8 -4 1 10 7180 06 31 18 06 39 16 --- 05 35 00 67.2 -40.9 1.6 122.5 475 R 1 3989 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 06 39 16 NRAO150 05 35 00 67.2 -40.9 1.6 122.5 -4 1 10 3989 06 39 16 06 49 15 --- 05 45 00 65.8 -42.9 1.8 118.8 594 R 1 0 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 06 51 44 DA193 05 47 30 85.6 21.7 -0.1 -157.1 101 1 11 0 06 51 44 06 55 43 --- 05 51 30 85.9 11.8 -0.1 -167.6 239 F 1 1596 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 06 55 43 DA193 05 51 30 85.9 11.8 -0.1 -167.6 -4 1 11 1596 06 55 43 07 03 42 --- 05 59 30 85.9 -9.7 0.1 169.7 475 F 1 4787 Schedule for VLBA_LA (Code La ) Page 11 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 07 03 42 DA193 05 59 30 85.9 -9.7 0.1 169.7 -4 1 11 4787 07 03 42 07 13 41 --- 06 09 30 85.1 -32.6 0.2 145.3 594 F 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 07 16 10 NRAO150 06 12 00 61.9 -46.8 2.2 109.9 97 1 11 8776 07 16 10 07 20 09 --- 06 16 00 61.3 -47.3 2.3 108.8 239 F 1 10372 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 07 20 09 NRAO150 06 16 00 61.3 -47.3 2.3 108.8 -4 1 11 10372 07 20 09 07 28 08 --- 06 24 00 60.1 -48.1 2.4 106.5 475 F 1 13563 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 07 28 08 NRAO150 06 24 00 60.1 -48.1 2.4 106.5 -4 1 11 13563 07 28 08 07 38 07 --- 06 34 00 58.6 -48.9 2.6 103.9 594 F 1 17552 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 07 38 07 NRAO150 06 34 00 58.6 -48.9 2.6 103.9 -4 1 12 17552 07 38 07 07 42 06 --- 06 38 00 58.0 -49.2 2.6 102.9 235 R 1 15956 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 07 42 06 NRAO150 06 38 00 58.0 -49.2 2.6 102.9 -4 1 12 15956 07 42 06 07 50 05 --- 06 46 00 56.8 -49.6 2.8 100.9 475 R 1 12765 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 07 50 05 NRAO150 06 46 00 56.8 -49.6 2.8 100.9 -4 1 12 12765 07 50 05 08 00 03 --- 06 56 00 55.2 -50.1 2.9 98.6 594 R 1 8776 Schedule for VLBA_LA (Code La ) Page 12 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 08 00 03 NRAO150 06 56 00 55.2 -50.1 2.9 98.6 -4 1 12 8776 08 00 03 08 04 02 --- 07 00 00 54.6 -50.3 3.0 97.7 235 R 1 7180 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 08 04 02 NRAO150 07 00 00 54.6 -50.3 3.0 97.7 -4 1 12 7180 08 04 02 08 12 01 --- 07 08 00 53.4 -50.5 3.1 95.9 475 R 1 3989 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 08 12 01 NRAO150 07 08 00 53.4 -50.5 3.1 95.9 -4 1 12 3989 08 12 01 08 21 59 --- 07 18 00 51.8 -50.7 3.3 93.8 594 R 1 0 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 08 23 29 0716+714 07 19 30 54.4 0.4 -0.1 -178.9 50 1 13 0 08 23 29 08 27 28 --- 07 23 30 54.4 -0.1 0.0 179.7 239 F 1 1596 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 08 27 28 0716+714 07 23 30 54.4 -0.1 0.0 179.7 -4 1 13 1596 08 27 28 08 35 27 --- 07 31 30 54.4 -1.2 0.1 176.9 475 F 1 4787 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 08 35 27 0716+714 07 31 30 54.4 -1.2 0.1 176.9 -4 1 13 4787 08 35 27 08 45 25 --- 07 41 30 54.4 -2.6 0.3 173.4 594 F 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 08 47 55 DA193 07 44 00 68.3 -71.1 1.8 92.1 98 1 13 8776 08 47 55 08 51 54 --- 07 48 00 67.6 -71.2 1.9 91.4 239 F 1 10372 Schedule for VLBA_LA (Code La ) Page 13 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 08 51 54 DA193 07 48 00 67.6 -71.2 1.9 91.4 -4 1 13 10372 08 51 54 08 59 53 --- 07 56 00 66.0 -71.2 2.0 90.1 475 F 1 13563 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 08 59 53 DA193 07 56 00 66.0 -71.2 2.0 90.1 -4 1 13 13563 08 59 53 09 09 51 --- 08 06 00 64.1 -71.2 2.2 88.6 594 F 1 17552 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 09 12 21 NRAO150 08 08 30 43.9 -50.5 4.1 84.1 103 1 14 17552 09 12 21 09 16 20 --- 08 12 30 43.2 -50.4 4.2 83.4 239 R 1 15956 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 09 16 20 NRAO150 08 12 30 43.2 -50.4 4.2 83.4 -4 1 14 15956 09 16 20 09 24 19 --- 08 20 30 42.0 -50.2 4.3 82.0 475 R 1 12765 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 09 24 19 NRAO150 08 20 30 42.0 -50.2 4.3 82.0 -4 1 14 12765 09 24 19 09 34 17 --- 08 30 30 40.4 -49.9 4.5 80.3 594 R 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 09 34 17 NRAO150 08 30 30 40.4 -49.9 4.5 80.3 -4 1 14 8776 09 34 17 09 38 17 --- 08 34 30 39.8 -49.8 4.6 79.6 235 R 1 7180 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 09 38 17 NRAO150 08 34 30 39.8 -49.8 4.6 79.6 -4 1 14 7180 09 38 17 09 46 15 --- 08 42 30 38.6 -49.4 4.7 78.3 475 R 1 3989 Schedule for VLBA_LA (Code La ) Page 14 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 09 46 15 NRAO150 08 42 30 38.6 -49.4 4.7 78.3 -4 1 14 3989 09 46 15 09 56 14 --- 08 52 30 37.0 -49.0 4.9 76.6 594 R 1 0 ----------- Tape Change ------------ Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 09 56 14 NRAO150 08 52 30 37.0 -49.0 4.9 76.6 -4 2 1 0 09 56 14 10 00 13 --- 08 56 30 36.4 -48.8 4.9 75.9 235 F 1 1596 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 10 00 13 NRAO150 08 56 30 36.4 -48.8 4.9 75.9 -4 2 1 1596 10 00 13 10 08 12 --- 09 04 30 35.2 -48.4 5.1 74.6 475 F 1 4787 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 10 08 12 NRAO150 09 04 30 35.2 -48.4 5.1 74.6 -4 2 1 4787 10 08 12 10 18 10 --- 09 14 30 33.7 -47.9 5.2 72.9 594 F 1 8776 Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 10 19 40 0716+714 09 16 00 51.5 -14.1 1.9 141.8 48 2 1 8776 10 19 40 10 23 39 --- 09 20 00 51.3 -14.5 2.0 140.5 239 F 1 10372 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 10 23 39 0716+714 09 20 00 51.3 -14.5 2.0 140.5 -4 2 1 10372 10 23 39 10 31 38 --- 09 28 00 50.9 -15.3 2.1 138.0 475 F 1 13563 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 10 31 38 0716+714 09 28 00 50.9 -15.3 2.1 138.0 -4 2 1 13563 10 31 38 10 41 36 --- 09 38 00 50.3 -16.2 2.3 134.9 594 F 1 17552 Schedule for VLBA_LA (Code La ) Page 15 Polarimetric monitoring of the jet in NRAO 150 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) ---------------------------------------------------------------------------------------- --- Tue 21 Dec 2004 Day 356 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 10 43 06 NRAO150 09 39 30 30.0 -46.4 5.7 68.9 43 2 2 17552 10 43 06 10 47 05 --- 09 43 30 29.4 -46.1 5.7 68.2 239 R 1 15956 Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 10 47 05 NRAO150 09 43 30 29.4 -46.1 5.7 68.2 -4 2 2 15956 10 47 05 10 55 04 --- 09 51 30 28.2 -45.6 5.9 67.0 475 R 1 12765 Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 10 55 04 NRAO150 09 51 30 28.2 -45.6 5.9 67.0 -4 2 2 12765 10 55 04 11 05 03 --- 10 01 30 26.8 -44.8 6.0 65.3 594 R 1 8776 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/filehost/cwalker/sched/setups/v2cm-128-4-2.set Matches group v2cm_d3 in /home/filehost/cwalker/sched/catalogs/freq.dat Fourth 2cm filter Setup group: 1 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= 14600.00 14600.00 14600.00 14600.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = B D B D VLBA FE= omit 2cm omit 2cm VLBA Synth= 14.6 10.9 10.9 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 15357.49 15357.49 15365.49 15365.49 BBC fr= 757.49 757.49 765.49 765.49 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_auto Setup file: /home/filehost/cwalker/sched/setups/v1cm-128-4-2.set Matches group v1cm_b3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 3 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= 21500.00 21500.00 21500.00 21500.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = 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: 3 Setup file default. Used pcal sets: 1 LO sum= 22225.49 22225.49 22233.49 22233.49 BBC fr= 725.49 725.49 733.49 733.49 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_auto Setup file: /home/filehost/cwalker/sched/setups/v7mm-128-4-2.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 5 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= 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = 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: 5 Setup file default. Used pcal sets: 1 LO sum= 43209.49 43209.49 43217.49 43217.49 BBC fr= 809.49 809.49 817.49 817.49 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_auto SOURCE LIST -- Polarimetric monitoring of the jet in NRAO 150 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). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) (B1950) (J2000) (Date) J0359+5057 03 55 45.261360 * 03 59 29.747261 03 59 52.984679 0355+508 50 49 20.28556 * 50 57 50.16151 50 58 52.99893 J0359+50 /home/filehost/cwalker/sched/catalogs/sources.vlba * NRAO150 ICRF - Ext.1 Source - 1998 IERS Annual Report 8.045 scan hours, 413.767 baseline hours above horizon. J0555+3948 05 52 01.407166 * 05 55 30.805609 05 55 52.734215 0552+398 39 48 21.94585 * 39 48 49.16500 39 48 58.70020 * DA193 /home/filehost/cwalker/sched/catalogs/sources.vlba J0555+39 ICRF - Ext.1 Source - 1998 IERS Annual Report 1.463 scan hours, 72.626 baseline hours above horizon. J0721+7120 07 16 13.029725 * 07 21 53.448460 07 22 30.604135 * 0716+714 71 26 15.17405 * 71 20 36.36339 71 20 02.56626 J0721+71 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report 1.828 scan hours, 95.987 baseline hours above horizon. 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) NRAO150 144.2 DA193 163.6 0716+714 130.6 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