COVER INFORMATION Station: VLBA_OV (Code Ov ) 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_OV (Code Ov ) 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 19 22 20.5 9.6-10.0 -24.6 0 1 1 0 07 16 36 07 20 36 --- 21 23 22 20.7 9.9-10.0 -25.4 239 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 07 20 36 0716+714 21 23 22 20.7 9.9-10.0 -25.4 -4 1 1 1596 07 20 36 07 28 34 --- 21 31 22 21.0 10.5 -9.8 -27.1 475 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 07 28 34 0716+714 21 31 22 21.0 10.5 -9.8 -27.1 -4 1 1 4787 07 28 34 07 38 33 --- 21 41 22 21.3 11.3 -9.7 -29.2 594 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 07 40 03 NRAO150 21 42 52 25.7 44.2 -6.3 -61.7 62 1 1 8776 07 40 03 07 44 02 --- 21 46 52 26.2 44.5 -6.2 -62.4 239 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 07 44 02 NRAO150 21 46 52 26.2 44.5 -6.2 -62.4 -4 1 1 10372 07 44 02 07 52 01 --- 21 54 52 27.3 45.1 -6.1 -63.6 475 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 07 52 01 NRAO150 21 54 52 27.3 45.1 -6.1 -63.6 -4 1 1 13563 07 52 01 08 01 59 --- 22 04 52 28.8 45.9 -5.9 -65.2 594 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 08 01 59 NRAO150 22 04 52 28.8 45.9 -5.9 -65.2 -4 1 2 17552 08 01 59 08 05 58 --- 22 08 52 29.3 46.2 -5.8 -65.9 235 R 1 15956 Schedule for VLBA_OV (Code Ov ) 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 08 52 29.3 46.2 -5.8 -65.9 -4 1 2 15956 08 05 58 08 13 57 --- 22 16 52 30.5 46.8 -5.7 -67.1 475 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 08 13 57 NRAO150 22 16 52 30.5 46.8 -5.7 -67.1 -4 1 2 12765 08 13 57 08 23 55 --- 22 26 52 31.9 47.5 -5.5 -68.7 594 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 26 52 31.9 47.5 -5.5 -68.7 -4 1 2 8776 08 23 55 08 27 55 --- 22 30 52 32.5 47.7 -5.5 -69.3 235 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 30 52 32.5 47.7 -5.5 -69.3 -4 1 2 7180 08 27 55 08 35 53 --- 22 38 52 33.7 48.2 -5.3 -70.6 475 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 38 52 33.7 48.2 -5.3 -70.6 -4 1 2 3989 08 35 53 08 45 52 --- 22 48 52 35.2 48.9 -5.2 -72.2 594 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 51 22 12.6 49.1 -7.1 H -51.6 98 1 3 0 08 48 21 08 52 21 --- 22 55 22 13.2 49.6 -7.0 H -52.1 0 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 55 22 13.2 49.6 -7.0 H -52.1 -4 1 3 1596 08 52 21 09 00 19 --- 23 03 22 14.4 50.6 -6.9 H -53.2 0 F 1 4787 Schedule for VLBA_OV (Code Ov ) 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 23 03 22 14.4 50.6 -6.9 H -53.2 -4 1 3 4787 09 00 19 09 10 18 --- 23 13 22 16.0 51.7 -6.7 -54.5 0 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 15 52 39.3 50.3 -4.7 -76.6 97 1 3 8776 09 12 47 09 16 47 --- 23 19 52 39.9 50.5 -4.7 -77.2 239 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 09 16 47 NRAO150 23 19 52 39.9 50.5 -4.7 -77.2 -4 1 3 10372 09 16 47 09 24 45 --- 23 27 52 41.1 50.8 -4.5 -78.6 475 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 09 24 45 NRAO150 23 27 52 41.1 50.8 -4.5 -78.6 -4 1 3 13563 09 24 45 09 34 44 --- 23 37 52 42.7 51.2 -4.4 -80.3 594 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 09 34 44 NRAO150 23 37 52 42.7 51.2 -4.4 -80.3 -4 1 4 17552 09 34 44 09 38 43 --- 23 41 52 43.3 51.3 -4.3 -80.9 235 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 09 38 43 NRAO150 23 41 52 43.3 51.3 -4.3 -80.9 -4 1 4 15956 09 38 43 09 46 42 --- 23 49 52 44.6 51.6 -4.2 -82.3 475 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 09 46 42 NRAO150 23 49 52 44.6 51.6 -4.2 -82.3 -4 1 4 12765 09 46 42 09 56 40 --- 23 59 52 46.1 51.9 -4.0 -84.1 594 R 1 8776 Schedule for VLBA_OV (Code Ov ) 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 59 52 46.1 51.9 -4.0 -84.1 -4 1 4 8776 09 56 40 10 00 39 --- 00 03 52 46.7 52.0 -3.9 -84.8 235 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 10 00 39 NRAO150 00 03 52 46.7 52.0 -3.9 -84.8 -4 1 4 7180 10 00 39 10 08 38 --- 00 11 52 48.0 52.1 -3.8 -86.2 475 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 10 08 38 NRAO150 00 11 52 48.0 52.1 -3.8 -86.2 -4 1 4 3989 10 08 38 10 18 36 --- 00 21 52 49.6 52.2 -3.6 -88.1 594 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 23 22 30.6 21.1 -7.0 -63.4 46 1 5 0 10 20 06 10 24 06 --- 00 27 22 30.8 21.2 -6.9 -64.3 239 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 27 22 30.8 21.2 -6.9 -64.3 -4 1 5 1596 10 24 06 10 32 04 --- 00 35 22 31.4 21.5 -6.8 -66.0 475 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 35 22 31.4 21.5 -6.8 -66.0 -4 1 5 4787 10 32 04 10 42 03 --- 00 45 22 32.2 21.9 -6.6 -68.2 594 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 10 43 32 NRAO150 00 46 52 53.5 52.2 -3.2 -93.0 41 1 5 8776 10 43 32 10 47 32 --- 00 50 52 54.1 52.1 -3.1 -93.8 239 F 1 10372 Schedule for VLBA_OV (Code Ov ) 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 50 52 54.1 52.1 -3.1 -93.8 -4 1 5 10372 10 47 32 10 55 30 --- 00 58 52 55.4 51.9 -3.0 -95.5 475 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 10 55 30 NRAO150 00 58 52 55.4 51.9 -3.0 -95.5 -4 1 5 13563 10 55 30 11 05 29 --- 01 08 52 57.0 51.6 -2.8 -97.7 594 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 11 05 29 NRAO150 01 08 52 57.0 51.6 -2.8 -97.7 -4 1 6 17552 11 05 29 11 09 28 --- 01 12 52 57.6 51.4 -2.8 -98.6 235 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 12 52 57.6 51.4 -2.8 -98.6 -4 1 6 15956 11 09 28 11 17 27 --- 01 20 52 58.8 51.0 -2.6 -100.5 475 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 20 52 58.8 51.0 -2.6 -100.5 -4 1 6 12765 11 17 27 11 27 25 --- 01 30 52 60.4 50.4 -2.5 -103.0 594 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 11 27 25 NRAO150 01 30 52 60.4 50.4 -2.5 -103.0 -4 1 6 8776 11 27 25 11 31 25 --- 01 34 52 61.0 50.1 -2.4 -104.1 235 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 34 52 61.0 50.1 -2.4 -104.1 -4 1 6 7180 11 31 25 11 39 23 --- 01 42 52 62.2 49.4 -2.3 -106.2 475 R 1 3989 Schedule for VLBA_OV (Code Ov ) 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 42 52 62.2 49.4 -2.3 -106.2 -4 1 6 3989 11 39 23 11 49 22 --- 01 52 52 63.7 48.4 -2.1 -109.1 594 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 11 51 51 DA193 01 55 22 43.8 67.3 -4.0 -73.0 104 1 7 0 11 51 51 11 55 51 --- 01 59 22 44.5 67.6 -3.9 -73.5 239 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 59 22 44.5 67.6 -3.9 -73.5 -4 1 7 1596 11 55 51 12 03 49 --- 02 07 22 46.0 68.2 -3.8 -74.3 475 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 12 03 49 DA193 02 07 22 46.0 68.2 -3.8 -74.3 -4 1 7 4787 12 03 49 12 13 48 --- 02 17 22 47.9 69.0 -3.6 -75.4 594 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 12 16 17 NRAO150 02 19 52 67.6 44.2 -1.7 -118.1 104 1 7 8776 12 16 17 12 20 16 --- 02 23 52 68.1 43.4 -1.6 -119.6 239 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 12 20 16 NRAO150 02 23 52 68.1 43.4 -1.6 -119.6 -4 1 7 10372 12 20 16 12 28 15 --- 02 31 52 69.2 41.6 -1.5 -122.9 475 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 12 28 15 NRAO150 02 31 52 69.2 41.6 -1.5 -122.9 -4 1 7 13563 12 28 15 12 38 14 --- 02 41 52 70.5 39.0 -1.3 -127.3 594 F 1 17552 Schedule for VLBA_OV (Code Ov ) 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 41 52 70.5 39.0 -1.3 -127.3 -4 1 8 17552 12 38 14 12 42 13 --- 02 45 52 71.0 37.8 -1.2 -129.2 235 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 45 52 71.0 37.8 -1.2 -129.2 -4 1 8 15956 12 42 13 12 50 12 --- 02 53 52 71.9 35.2 -1.1 -133.2 475 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 12 50 12 NRAO150 02 53 52 71.9 35.2 -1.1 -133.2 -4 1 8 12765 12 50 12 13 00 10 --- 03 03 52 73.0 31.4 -0.9 -138.7 594 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 13 00 10 NRAO150 03 03 52 73.0 31.4 -0.9 -138.7 -4 1 8 8776 13 00 10 13 04 09 --- 03 07 52 73.4 29.8 -0.9 -141.1 235 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 07 52 73.4 29.8 -0.9 -141.1 -4 1 8 7180 13 04 09 13 12 08 --- 03 15 52 74.2 26.1 -0.7 -146.1 475 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 13 12 08 NRAO150 03 15 52 74.2 26.1 -0.7 -146.1 -4 1 8 3989 13 12 08 13 22 06 --- 03 25 52 75.0 21.0 -0.6 -153.0 594 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 13 23 36 0716+714 03 27 22 44.9 22.7 -3.9 -106.2 24 1 9 0 13 23 36 13 27 35 --- 03 31 22 45.2 22.6 -3.8 -107.2 239 F 1 1596 Schedule for VLBA_OV (Code Ov ) 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 31 22 45.2 22.6 -3.8 -107.2 -4 1 9 1596 13 27 35 13 35 34 --- 03 39 22 45.8 22.3 -3.7 -109.3 475 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 13 35 34 0716+714 03 39 22 45.8 22.3 -3.7 -109.3 -4 1 9 4787 13 35 34 13 45 32 --- 03 49 22 46.5 21.9 -3.5 -112.0 594 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 13 47 02 NRAO150 03 50 52 76.2 5.9 -0.1 -172.5 24 1 9 8776 13 47 02 13 51 02 --- 03 54 52 76.2 3.3 -0.1 -175.9 239 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 54 52 76.2 3.3 -0.1 -175.9 -4 1 9 10372 13 51 02 13 59 00 --- 04 02 52 76.2 -2.0 0.1 177.4 475 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 04 02 52 76.2 -2.0 0.1 177.4 -4 1 9 13563 13 59 00 14 08 59 --- 04 12 52 76.1 -8.6 0.2 169.2 594 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 14 08 59 NRAO150 04 12 52 76.1 -8.6 0.2 169.2 -4 1 10 17552 14 08 59 14 12 58 --- 04 16 52 75.9 -11.1 0.3 165.9 235 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 14 12 58 NRAO150 04 16 52 75.9 -11.1 0.3 165.9 -4 1 10 15956 14 12 58 14 20 57 --- 04 24 52 75.6 -16.0 0.4 159.6 475 R 1 12765 Schedule for VLBA_OV (Code Ov ) 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 24 52 75.6 -16.0 0.4 159.6 -4 1 10 12765 14 20 57 14 30 55 --- 04 34 52 74.9 -21.6 0.6 152.2 594 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 14 30 55 NRAO150 04 34 52 74.9 -21.6 0.6 152.2 -4 1 10 8776 14 30 55 14 34 54 --- 04 38 52 74.6 -23.7 0.7 149.4 235 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 14 34 54 NRAO150 04 38 52 74.6 -23.7 0.7 149.4 -4 1 10 7180 14 34 54 14 42 53 --- 04 46 52 73.9 -27.6 0.8 144.1 475 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 14 42 53 NRAO150 04 46 52 73.9 -27.6 0.8 144.1 -4 1 10 3989 14 42 53 14 52 51 --- 04 56 52 72.9 -31.9 1.0 138.1 594 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 14 55 21 DA193 04 59 22 78.7 72.5 -0.9 -98.7 74 1 11 0 14 55 21 14 59 20 --- 05 03 22 79.4 71.8 -0.9 -100.0 239 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 14 59 20 DA193 05 03 22 79.4 71.8 -0.9 -100.0 -4 1 11 1596 14 59 20 15 07 19 --- 05 11 22 80.9 70.0 -0.7 -103.0 475 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 11 22 80.9 70.0 -0.7 -103.0 -4 1 11 4787 15 07 19 15 17 17 --- 05 21 22 82.8 66.4 -0.6 -108.3 594 F 1 8776 Schedule for VLBA_OV (Code Ov ) 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 23 52 69.7 -40.7 1.4 124.5 72 1 11 8776 15 19 47 15 23 46 --- 05 27 52 69.2 -41.6 1.5 122.8 239 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 15 23 46 NRAO150 05 27 52 69.2 -41.6 1.5 122.8 -4 1 11 10372 15 23 46 15 31 45 --- 05 35 52 68.1 -43.4 1.6 119.6 475 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 15 31 45 NRAO150 05 35 52 68.1 -43.4 1.6 119.6 -4 1 11 13563 15 31 45 15 41 43 --- 05 45 52 66.7 -45.4 1.8 115.9 594 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 15 41 43 NRAO150 05 45 52 66.7 -45.4 1.8 115.9 -4 1 12 17552 15 41 43 15 45 43 --- 05 49 52 66.2 -46.0 1.8 114.5 235 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 15 45 43 NRAO150 05 49 52 66.2 -46.0 1.8 114.5 -4 1 12 15956 15 45 43 15 53 41 --- 05 57 52 65.0 -47.2 2.0 111.9 475 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 57 52 65.0 -47.2 2.0 111.9 -4 1 12 12765 15 53 41 16 03 40 --- 06 07 52 63.5 -48.5 2.1 108.8 594 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 07 52 63.5 -48.5 2.1 108.8 -4 1 12 8776 16 03 40 16 07 39 --- 06 11 52 62.9 -48.9 2.2 107.6 235 R 1 7180 Schedule for VLBA_OV (Code Ov ) 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 11 52 62.9 -48.9 2.2 107.6 -4 1 12 7180 16 07 39 16 15 38 --- 06 19 52 61.7 -49.7 2.3 105.4 475 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 19 52 61.7 -49.7 2.3 105.4 -4 1 12 3989 16 15 38 16 25 36 --- 06 29 52 60.2 -50.5 2.5 102.7 594 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 31 22 55.3 7.1 -0.8 -162.0 45 1 13 0 16 27 06 16 31 05 --- 06 35 22 55.4 6.6 -0.8 -163.4 239 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 16 31 05 0716+714 06 35 22 55.4 6.6 -0.8 -163.4 -4 1 13 1596 16 31 05 16 39 04 --- 06 43 22 55.5 5.5 -0.6 -166.2 475 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 16 39 04 0716+714 06 43 22 55.5 5.5 -0.6 -166.2 -4 1 13 4787 16 39 04 16 49 02 --- 06 53 22 55.7 4.1 -0.5 -169.7 594 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 16 51 32 DA193 06 55 52 78.0 -73.0 1.0 97.6 92 1 13 8776 16 51 32 16 55 31 --- 06 59 52 77.2 -73.4 1.1 96.6 239 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 16 55 31 DA193 06 59 52 77.2 -73.4 1.1 96.6 -4 1 13 10372 16 55 31 17 03 30 --- 07 07 52 75.7 -74.1 1.2 94.7 475 F 1 13563 Schedule for VLBA_OV (Code Ov ) 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 07 52 75.7 -74.1 1.2 94.7 -4 1 13 13563 17 03 30 17 13 28 --- 07 17 52 73.8 -74.5 1.4 92.6 594 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 17 15 58 NRAO150 07 20 22 52.3 -52.2 3.3 91.5 101 1 14 17552 17 15 58 17 19 57 --- 07 24 22 51.7 -52.3 3.4 90.7 239 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 24 22 51.7 -52.3 3.4 90.7 -4 1 14 15956 17 19 57 17 27 56 --- 07 32 22 50.4 -52.3 3.5 89.1 475 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 17 27 56 NRAO150 07 32 22 50.4 -52.3 3.5 89.1 -4 1 14 12765 17 27 56 17 37 54 --- 07 42 22 48.9 -52.2 3.7 87.2 594 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 17 37 54 NRAO150 07 42 22 48.9 -52.2 3.7 87.2 -4 1 14 8776 17 37 54 17 41 54 --- 07 46 22 48.2 -52.1 3.8 86.5 235 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 46 22 48.2 -52.1 3.8 86.5 -4 1 14 7180 17 41 54 17 49 52 --- 07 54 22 47.0 -52.0 3.9 85.0 475 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 54 22 47.0 -52.0 3.9 85.0 -4 1 14 3989 17 49 52 17 59 51 --- 08 04 22 45.4 -51.8 4.1 83.3 594 R 1 0 Schedule for VLBA_OV (Code Ov ) 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 08 04 22 45.4 -51.8 4.1 83.3 -4 2 1 0 17 59 51 18 03 50 --- 08 08 22 44.8 -51.6 4.1 82.6 235 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 08 22 44.8 -51.6 4.1 82.6 -4 2 1 1596 18 03 50 18 11 49 --- 08 16 22 43.5 -51.4 4.3 81.2 475 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 18 11 49 NRAO150 08 16 22 43.5 -51.4 4.3 81.2 -4 2 1 4787 18 11 49 18 21 47 --- 08 26 22 42.0 -51.0 4.4 79.5 594 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 27 52 54.9 -9.0 1.1 157.0 56 2 1 8776 18 23 17 18 27 16 --- 08 31 52 54.7 -9.5 1.2 155.7 239 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 18 27 16 0716+714 08 31 52 54.7 -9.5 1.2 155.7 -4 2 1 10372 18 27 16 18 35 15 --- 08 39 52 54.4 -10.5 1.3 153.0 475 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 18 35 15 0716+714 08 39 52 54.4 -10.5 1.3 153.0 -4 2 1 13563 18 35 15 18 45 13 --- 08 49 52 54.1 -11.7 1.5 149.6 594 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 51 22 38.1 -49.9 4.9 75.3 52 2 2 17552 18 46 43 18 50 42 --- 08 55 22 37.5 -49.7 4.9 74.7 239 R 1 15956 Schedule for VLBA_OV (Code Ov ) 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 55 22 37.5 -49.7 4.9 74.7 -4 2 2 15956 18 50 42 18 58 41 --- 09 03 22 36.3 -49.3 5.1 73.4 475 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 18 58 41 NRAO150 09 03 22 36.3 -49.3 5.1 73.4 -4 2 2 12765 18 58 41 19 08 39 --- 09 13 22 34.8 -48.7 5.2 71.8 594 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