COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: Polarimetric monitoring of the jet in NRAO 150 Exp. Code: BA071A Schedule Version: 1.00 Processed by SCHED version: Release of 18 Sept. 2003 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_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- 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 07 16 36 0716+714 21 13 45 31.1 10.1-10.1 -21.4 0 1 1 0 07 16 36 07 20 36 --- 21 17 45 31.2 10.4-10.1 -22.1 239 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 07 20 36 0716+714 21 17 45 31.2 10.4-10.1 -22.1 -4 1 1 1596 07 20 36 07 28 34 --- 21 25 45 31.5 11.1 -9.9 -23.7 475 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 07 28 34 0716+714 21 25 45 31.5 11.1 -9.9 -23.7 -4 1 1 4787 07 28 34 07 38 33 --- 21 35 45 31.8 11.9 -9.8 -25.6 594 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 07 40 03 NRAO150 21 37 15 32.5 48.0 -6.4 -51.9 60 1 1 8776 07 40 03 07 44 02 --- 21 41 15 33.0 48.4 -6.3 -52.5 239 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 07 44 02 NRAO150 21 41 15 33.0 48.4 -6.3 -52.5 -4 1 1 10372 07 44 02 07 52 01 --- 21 49 15 34.0 49.3 -6.2 -53.5 475 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 52 01 NRAO150 21 49 15 34.0 49.3 -6.2 -53.5 -4 1 1 13563 07 52 01 08 01 59 --- 21 59 15 35.3 50.5 -6.0 -54.8 594 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 08 01 59 NRAO150 21 59 15 35.3 50.5 -6.0 -54.8 -4 1 2 17552 08 01 59 08 05 58 --- 22 03 15 35.8 50.9 -5.9 -55.4 235 R 1 15956 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 08 05 58 NRAO150 22 03 15 35.8 50.9 -5.9 -55.4 -4 1 2 15956 08 05 58 08 13 57 --- 22 11 15 36.8 51.8 -5.8 -56.4 475 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 08 13 57 NRAO150 22 11 15 36.8 51.8 -5.8 -56.4 -4 1 2 12765 08 13 57 08 23 55 --- 22 21 15 38.2 52.9 -5.6 -57.7 594 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 08 23 55 NRAO150 22 21 15 38.2 52.9 -5.6 -57.7 -4 1 2 8776 08 23 55 08 27 55 --- 22 25 15 38.7 53.3 -5.6 -58.2 235 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 27 55 NRAO150 22 25 15 38.7 53.3 -5.6 -58.2 -4 1 2 7180 08 27 55 08 35 53 --- 22 33 15 39.8 54.1 -5.4 -59.2 475 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 35 53 NRAO150 22 33 15 39.8 54.1 -5.4 -59.2 -4 1 2 3989 08 35 53 08 45 52 --- 22 43 15 41.1 55.2 -5.3 -60.5 594 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 08 48 21 DA193 22 45 45 18.8 50.7 -7.2 -42.3 99 1 3 0 08 48 21 08 52 21 --- 22 49 45 19.3 51.3 -7.1 -42.7 239 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 52 21 DA193 22 49 45 19.3 51.3 -7.1 -42.7 -4 1 3 1596 08 52 21 09 00 19 --- 22 57 45 20.4 52.5 -7.0 -43.6 475 F 1 4787 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 09 00 19 DA193 22 57 45 20.4 52.5 -7.0 -43.6 -4 1 3 4787 09 00 19 09 10 18 --- 23 07 45 21.7 54.0 -6.8 -44.6 594 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 09 12 47 NRAO150 23 10 15 44.9 57.9 -4.8 -63.9 97 1 3 8776 09 12 47 09 16 47 --- 23 14 15 45.4 58.3 -4.8 -64.4 239 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 09 16 47 NRAO150 23 14 15 45.4 58.3 -4.8 -64.4 -4 1 3 10372 09 16 47 09 24 45 --- 23 22 15 46.6 59.0 -4.6 -65.4 475 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 09 24 45 NRAO150 23 22 15 46.6 59.0 -4.6 -65.4 -4 1 3 13563 09 24 45 09 34 44 --- 23 32 15 48.0 60.0 -4.5 -66.6 594 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 34 44 NRAO150 23 32 15 48.0 60.0 -4.5 -66.6 -4 1 4 17552 09 34 44 09 38 43 --- 23 36 15 48.6 60.4 -4.4 -67.1 235 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 09 38 43 NRAO150 23 36 15 48.6 60.4 -4.4 -67.1 -4 1 4 15956 09 38 43 09 46 42 --- 23 44 15 49.8 61.1 -4.3 -68.1 475 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 46 42 NRAO150 23 44 15 49.8 61.1 -4.3 -68.1 -4 1 4 12765 09 46 42 09 56 40 --- 23 54 15 51.2 62.0 -4.1 -69.4 594 R 1 8776 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 09 56 40 NRAO150 23 54 15 51.2 62.0 -4.1 -69.4 -4 1 4 8776 09 56 40 10 00 39 --- 23 58 15 51.8 62.3 -4.0 -69.9 235 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 10 00 39 NRAO150 23 58 15 51.8 62.3 -4.0 -69.9 -4 1 4 7180 10 00 39 10 08 38 --- 00 06 15 53.0 63.0 -3.9 -70.9 475 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 10 08 38 NRAO150 00 06 15 53.0 63.0 -3.9 -70.9 -4 1 4 3989 10 08 38 10 18 36 --- 00 16 15 54.5 63.9 -3.7 -72.1 594 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 10 20 06 0716+714 00 17 45 40.2 23.8 -7.1 -57.1 55 1 5 0 10 20 06 10 24 06 --- 00 21 45 40.5 24.0 -7.0 -57.9 239 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 10 24 06 0716+714 00 21 45 40.5 24.0 -7.0 -57.9 -4 1 5 1596 10 24 06 10 32 04 --- 00 29 45 41.1 24.4 -6.9 -59.5 475 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 10 32 04 0716+714 00 29 45 41.1 24.4 -6.9 -59.5 -4 1 5 4787 10 32 04 10 42 03 --- 00 39 45 41.8 24.9 -6.7 -61.6 594 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 10 43 32 NRAO150 00 41 15 58.3 65.9 -3.3 -75.3 51 1 5 8776 10 43 32 10 47 32 --- 00 45 15 58.9 66.2 -3.2 -75.9 239 F 1 10372 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 10 47 32 NRAO150 00 45 15 58.9 66.2 -3.2 -75.9 -4 1 5 10372 10 47 32 10 55 30 --- 00 53 15 60.1 66.8 -3.1 -76.9 475 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 55 30 NRAO150 00 53 15 60.1 66.8 -3.1 -76.9 -4 1 5 13563 10 55 30 11 05 29 --- 01 03 15 61.7 67.5 -2.9 -78.2 594 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 11 05 29 NRAO150 01 03 15 61.7 67.5 -2.9 -78.2 -4 1 6 17552 11 05 29 11 09 28 --- 01 07 15 62.3 67.7 -2.9 -78.8 235 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 11 09 28 NRAO150 01 07 15 62.3 67.7 -2.9 -78.8 -4 1 6 15956 11 09 28 11 17 27 --- 01 15 15 63.5 68.2 -2.7 -79.9 475 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 11 17 27 NRAO150 01 15 15 63.5 68.2 -2.7 -79.9 -4 1 6 12765 11 17 27 11 27 25 --- 01 25 15 65.1 68.8 -2.6 -81.3 594 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 11 27 25 NRAO150 01 25 15 65.1 68.8 -2.6 -81.3 -4 1 6 8776 11 27 25 11 31 25 --- 01 29 15 65.7 69.1 -2.5 -81.9 235 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 11 31 25 NRAO150 01 29 15 65.7 69.1 -2.5 -81.9 -4 1 6 7180 11 31 25 11 39 23 --- 01 37 15 66.9 69.5 -2.4 -83.0 475 R 1 3989 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 11 39 23 NRAO150 01 37 15 66.9 69.5 -2.4 -83.0 -4 1 6 3989 11 39 23 11 49 22 --- 01 47 15 68.5 69.9 -2.2 -84.6 594 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 11 51 51 DA193 01 49 45 46.2 77.1 -4.1 -57.9 99 1 7 0 11 51 51 11 55 51 --- 01 53 45 46.8 77.7 -4.0 -58.1 239 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 11 55 51 DA193 01 53 45 46.8 77.7 -4.0 -58.1 -4 1 7 1596 11 55 51 12 03 49 --- 02 01 45 48.1 78.9 -3.9 -58.5 475 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 12 03 49 DA193 02 01 45 48.1 78.9 -3.9 -58.5 -4 1 7 4787 12 03 49 12 13 48 --- 02 11 45 49.8 80.4 -3.7 -59.0 594 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 12 16 17 NRAO150 02 14 15 72.7 70.6 -1.8 -89.1 98 1 7 8776 12 16 17 12 20 16 --- 02 18 15 73.4 70.6 -1.7 -89.9 239 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 12 20 16 NRAO150 02 18 15 73.4 70.6 -1.7 -89.9 -4 1 7 10372 12 20 16 12 28 15 --- 02 26 15 74.6 70.6 -1.6 -91.5 475 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 12 28 15 NRAO150 02 26 15 74.6 70.6 -1.6 -91.5 -4 1 7 13563 12 28 15 12 38 14 --- 02 36 15 76.2 70.3 -1.4 -93.7 594 F 1 17552 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 12 38 14 NRAO150 02 36 15 76.2 70.3 -1.4 -93.7 -4 1 8 17552 12 38 14 12 42 13 --- 02 40 15 76.8 70.1 -1.3 -94.7 235 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 12 42 13 NRAO150 02 40 15 76.8 70.1 -1.3 -94.7 -4 1 8 15956 12 42 13 12 50 12 --- 02 48 15 78.1 69.5 -1.2 -96.8 475 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 12 50 12 NRAO150 02 48 15 78.1 69.5 -1.2 -96.8 -4 1 8 12765 12 50 12 13 00 10 --- 02 58 15 79.6 68.3 -1.0 -99.9 594 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 13 00 10 NRAO150 02 58 15 79.6 68.3 -1.0 -99.9 -4 1 8 8776 13 00 10 13 04 09 --- 03 02 15 80.3 67.7 -1.0 -101.4 235 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 13 04 09 NRAO150 03 02 15 80.3 67.7 -1.0 -101.4 -4 1 8 7180 13 04 09 13 12 08 --- 03 10 15 81.5 65.9 -0.8 -104.7 475 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 13 12 08 NRAO150 03 10 15 81.5 65.9 -0.8 -104.7 -4 1 8 3989 13 12 08 13 22 06 --- 03 20 15 83.0 62.4 -0.7 -110.1 594 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 13 23 36 0716+714 03 21 45 54.3 28.4 -4.0 -97.5 26 1 9 0 13 23 36 13 27 35 --- 03 25 45 54.6 28.3 -3.9 -98.5 239 F 1 1596 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 13 27 35 0716+714 03 25 45 54.6 28.3 -3.9 -98.5 -4 1 9 1596 13 27 35 13 35 34 --- 03 33 45 55.2 28.1 -3.8 -100.6 475 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 13 35 34 0716+714 03 33 45 55.2 28.1 -3.8 -100.6 -4 1 9 4787 13 35 34 13 45 32 --- 03 43 45 56.0 27.8 -3.6 -103.2 594 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 13 47 02 NRAO150 03 45 15 86.3 38.4 -0.2 -138.9 23 1 9 8776 13 47 02 13 51 02 --- 03 49 15 86.7 30.1 -0.2 -147.9 239 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 13 51 02 NRAO150 03 49 15 86.7 30.1 -0.2 -147.9 -4 1 9 10372 13 51 02 13 59 00 --- 03 57 15 87.1 8.1 0.0 -171.4 475 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 13 59 00 NRAO150 03 57 15 87.1 8.1 0.0 -171.4 -4 1 9 13563 13 59 00 14 08 59 --- 04 07 15 86.9 -22.2 0.1 156.4 594 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 14 08 59 NRAO150 04 07 15 86.9 -22.2 0.1 156.4 -4 1 10 17552 14 08 59 14 12 58 --- 04 11 15 86.6 -32.0 0.2 145.8 235 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 14 12 58 NRAO150 04 11 15 86.6 -32.0 0.2 145.8 -4 1 10 15956 14 12 58 14 20 57 --- 04 19 15 85.8 -46.1 0.3 130.2 475 R 1 12765 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 14 20 57 NRAO150 04 19 15 85.8 -46.1 0.3 130.2 -4 1 10 12765 14 20 57 14 30 55 --- 04 29 15 84.4 -56.4 0.5 118.0 594 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 14 30 55 NRAO150 04 29 15 84.4 -56.4 0.5 118.0 -4 1 10 8776 14 30 55 14 34 54 --- 04 33 15 83.9 -59.2 0.6 114.5 235 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 14 34 54 NRAO150 04 33 15 83.9 -59.2 0.6 114.5 -4 1 10 7180 14 34 54 14 42 53 --- 04 41 15 82.7 -63.2 0.7 108.9 475 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 14 42 53 NRAO150 04 41 15 82.7 -63.2 0.7 108.9 -4 1 10 3989 14 42 53 14 52 51 --- 04 51 15 81.2 -66.3 0.9 103.9 594 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 14 55 21 DA193 04 53 45 76.1 121.1 -1.0 -48.1 19 1 11 0 14 55 21 14 59 20 --- 04 57 45 76.7 123.3 -1.0 -46.6 239 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 14 59 20 DA193 04 57 45 76.7 123.3 -1.0 -46.6 -4 1 11 1596 14 59 20 15 07 19 --- 05 05 45 77.8 128.2 -0.8 -43.1 475 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 15 07 19 DA193 05 05 45 77.8 128.2 -0.8 -43.1 -4 1 11 4787 15 07 19 15 17 17 --- 05 15 45 79.0 135.5 -0.7 -37.5 594 F 1 8776 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 15 19 47 NRAO150 05 18 15 77.0 290.0 1.3 95.0 41 1 11 8776 15 19 47 15 23 46 --- 05 22 15 76.4 289.8 1.4 94.0 239 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 15 23 46 NRAO150 05 22 15 76.4 289.8 1.4 94.0 -4 1 11 10372 15 23 46 15 31 45 --- 05 30 15 75.1 289.5 1.5 92.2 475 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 15 31 45 NRAO150 05 30 15 75.1 289.5 1.5 92.2 -4 1 11 13563 15 31 45 15 41 43 --- 05 40 15 73.6 289.4 1.7 90.1 594 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 15 41 43 NRAO150 05 40 15 73.6 289.4 1.7 90.1 -4 1 12 17552 15 41 43 15 45 43 --- 05 44 15 72.9 289.4 1.7 89.4 235 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 15 45 43 NRAO150 05 44 15 72.9 289.4 1.7 89.4 -4 1 12 15956 15 45 43 15 53 41 --- 05 52 15 71.7 289.5 1.9 87.9 475 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 15 53 41 NRAO150 05 52 15 71.7 289.5 1.9 87.9 -4 1 12 12765 15 53 41 16 03 40 --- 06 02 15 70.1 289.7 2.0 86.2 594 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 16 03 40 NRAO150 06 02 15 70.1 289.7 2.0 86.2 -4 1 12 8776 16 03 40 16 07 39 --- 06 06 15 69.5 289.9 2.1 85.5 235 R 1 7180 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 16 07 39 NRAO150 06 06 15 69.5 289.9 2.1 85.5 -4 1 12 7180 16 07 39 16 15 38 --- 06 14 15 68.2 290.2 2.2 84.3 475 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 16 15 38 NRAO150 06 14 15 68.2 290.2 2.2 84.3 -4 1 12 3989 16 15 38 16 25 36 --- 06 24 15 66.6 290.6 2.4 82.8 594 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 16 27 06 0716+714 06 25 45 65.9 371.0 -0.9 -156.5 30 1 13 0 16 27 06 16 31 05 --- 06 29 45 66.0 370.3 -0.9 -158.1 239 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 16 31 05 0716+714 06 29 45 66.0 370.3 -0.9 -158.1 -4 1 13 1596 16 31 05 16 39 04 --- 06 37 45 66.2 368.8 -0.7 -161.3 475 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 16 39 04 0716+714 06 37 45 66.2 368.8 -0.7 -161.3 -4 1 13 4787 16 39 04 16 49 02 --- 06 47 45 66.4 366.9 -0.6 -165.4 594 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 16 51 32 DA193 06 50 15 77.2 234.6 0.9 45.1 55 1 13 8776 16 51 32 16 55 31 --- 06 54 15 76.6 236.9 1.0 46.7 239 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 16 55 31 DA193 06 54 15 76.6 236.9 1.0 46.7 -4 1 13 10372 16 55 31 17 03 30 --- 07 02 15 75.5 241.2 1.1 49.6 475 F 1 13563 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 43209.49 43209.49 43217.49 43217.49 Next BBC frequencies: 809.49 809.49 817.49 817.49 17 03 30 DA193 07 02 15 75.5 241.2 1.1 49.6 -4 1 13 13563 17 03 30 17 13 28 --- 07 12 15 74.0 245.8 1.3 52.4 594 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 17 15 58 NRAO150 07 14 45 58.8 293.9 3.2 75.8 112 1 14 17552 17 15 58 17 19 57 --- 07 18 45 58.2 294.2 3.3 75.3 239 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 17 19 57 NRAO150 07 18 45 58.2 294.2 3.3 75.3 -4 1 14 15956 17 19 57 17 27 56 --- 07 26 45 57.0 294.8 3.4 74.3 475 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 17 27 56 NRAO150 07 26 45 57.0 294.8 3.4 74.3 -4 1 14 12765 17 27 56 17 37 54 --- 07 36 45 55.5 295.6 3.6 73.0 594 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 17 37 54 NRAO150 07 36 45 55.5 295.6 3.6 73.0 -4 1 14 8776 17 37 54 17 41 54 --- 07 40 45 54.9 295.9 3.7 72.5 235 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 17 41 54 NRAO150 07 40 45 54.9 295.9 3.7 72.5 -4 1 14 7180 17 41 54 17 49 52 --- 07 48 45 53.7 296.6 3.8 71.5 475 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 17 49 52 NRAO150 07 48 45 53.7 296.6 3.8 71.5 -4 1 14 3989 17 49 52 17 59 51 --- 07 58 45 52.2 297.4 4.0 70.2 594 R 1 0 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- ----------- Tape Change ------------ Next scan frequencies: 15357.49 15357.49 15365.49 15365.49 Next BBC frequencies: 757.49 757.49 765.49 765.49 17 59 51 NRAO150 07 58 45 52.2 297.4 4.0 70.2 -4 2 1 0 17 59 51 18 03 50 --- 08 02 45 51.6 297.8 4.0 69.7 235 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 18 03 50 NRAO150 08 02 45 51.6 297.8 4.0 69.7 -4 2 1 1596 18 03 50 18 11 49 --- 08 10 45 50.4 298.5 4.2 68.7 475 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 18 11 49 NRAO150 08 10 45 50.4 298.5 4.2 68.7 -4 2 1 4787 18 11 49 18 21 47 --- 08 20 45 49.0 299.4 4.3 67.4 594 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 18 23 17 0716+714 08 22 15 65.8 348.4 1.0 155.2 50 2 1 8776 18 23 17 18 27 16 --- 08 26 15 65.6 347.7 1.1 153.6 239 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 18 27 16 0716+714 08 26 15 65.6 347.7 1.1 153.6 -4 2 1 10372 18 27 16 18 35 15 --- 08 34 15 65.3 346.3 1.2 150.4 475 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 18 35 15 0716+714 08 34 15 65.3 346.3 1.2 150.4 -4 2 1 13563 18 35 15 18 45 13 --- 08 44 15 64.9 344.7 1.4 146.6 594 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 18 46 43 NRAO150 08 45 45 45.4 301.8 4.8 64.3 45 2 2 17552 18 46 43 18 50 42 --- 08 49 45 44.8 302.1 4.8 63.8 239 R 1 15956 Schedule for VLBA_BR (Code Br ) 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) ---------------------------------------------------------------------------------------- --- Fri 20 Aug 2004 Day 233 --- Next scan frequencies: 22225.49 22225.49 22233.49 22233.49 Next BBC frequencies: 725.49 725.49 733.49 733.49 18 50 42 NRAO150 08 49 45 44.8 302.1 4.8 63.8 -4 2 2 15956 18 50 42 18 58 41 --- 08 57 45 43.7 302.9 5.0 62.8 475 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 18 58 41 NRAO150 08 57 45 43.7 302.9 5.0 62.8 -4 2 2 12765 18 58 41 19 08 39 --- 09 07 45 42.3 303.9 5.1 61.6 594 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) J0359+5057 03 55 45.261360 * 03 59 29.747261 03 59 49.352137 0355+508 50 49 20.28556 * 50 57 50.16151 50 58 31.24697 J0359+50 /home/filehost/cwalker/sched/catalogs/sources.vlba * NRAO150 ICRF - Ext.1 Source - 1998 IERS Annual Report J0555+3948 05 52 01.407166 * 05 55 30.805609 05 55 48.568663 0552+398 39 48 21.94585 * 39 48 49.16500 39 48 53.67963 * DA193 /home/filehost/cwalker/sched/catalogs/sources.vlba J0555+39 ICRF - Ext.1 Source - 1998 IERS Annual Report J0721+7120 07 16 13.029725 * 07 21 53.448460 07 22 20.976795 * 0716+714 71 26 15.17405 * 71 20 36.36339 71 20 04.04771 J0721+71 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report 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 80.6 DA193 60.1 0716+714 63.8 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