COVER INFORMATION Station: VLBA_OV (Code Ov ) 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_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) ---------------------------------------------------------------------------------------- --- 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 21 19 22 20.5 9.6-10.1 -24.5 0 1 1 0 23 13 00 23 16 59 --- 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 23 16 59 0716+714 21 23 22 20.7 9.9-10.0 -25.4 -4 1 1 1596 23 16 59 23 24 58 --- 21 31 22 21.0 10.5 -9.9 -27.0 475 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 23 24 58 0716+714 21 31 22 21.0 10.5 -9.9 -27.0 -4 1 1 4787 23 24 58 23 34 56 --- 21 41 22 21.3 11.3 -9.7 -29.1 594 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 23 36 26 NRAO150 21 42 52 25.7 44.1 -6.3 -61.7 62 1 1 8776 23 36 26 23 40 25 --- 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 23 40 25 NRAO150 21 46 52 26.2 44.5 -6.2 -62.4 -4 1 1 10372 23 40 25 23 48 24 --- 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 23 48 24 NRAO150 21 54 52 27.3 45.1 -6.1 -63.6 -4 1 1 13563 23 48 24 23 58 22 --- 22 04 52 28.7 45.9 -5.9 -65.2 594 F 1 17552 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) ---------------------------------------------------------------------------------------- --- 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 04 52 28.7 45.9 -5.9 -65.2 -4 1 2 17552 23 58 22 00 02 21 --- 22 08 52 29.3 46.2 -5.9 -65.9 235 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 08 52 29.3 46.2 -5.9 -65.9 -4 1 2 15956 00 02 21 00 10 20 --- 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 00 10 20 NRAO150 22 16 52 30.5 46.8 -5.7 -67.1 -4 1 2 12765 00 10 20 00 20 18 --- 22 26 52 31.9 47.5 -5.6 -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 00 20 18 NRAO150 22 26 52 31.9 47.5 -5.6 -68.7 -4 1 2 8776 00 20 18 00 24 18 --- 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 00 24 18 NRAO150 22 30 52 32.5 47.7 -5.5 -69.3 -4 1 2 7180 00 24 18 00 32 16 --- 22 38 52 33.7 48.2 -5.4 -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 00 32 16 NRAO150 22 38 52 33.7 48.2 -5.4 -70.6 -4 1 2 3989 00 32 16 00 42 15 --- 22 48 52 35.2 48.8 -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 00 44 44 DA193 22 51 22 12.6 49.1 -7.1 H -51.6 98 1 3 0 00 44 44 00 48 44 --- 22 55 22 13.2 49.6 -7.0 H -52.1 0 F 1 1596 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) ---------------------------------------------------------------------------------------- --- 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 22 55 22 13.2 49.6 -7.0 H -52.1 -4 1 3 1596 00 48 44 00 56 42 --- 23 03 22 14.4 50.6 -6.9 H -53.2 0 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 03 22 14.4 50.6 -6.9 H -53.2 -4 1 3 4787 00 56 42 01 06 41 --- 23 13 22 15.9 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 01 09 10 NRAO150 23 15 52 39.3 50.3 -4.7 -76.6 97 1 3 8776 01 09 10 01 13 10 --- 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 01 13 10 NRAO150 23 19 52 39.9 50.5 -4.7 -77.2 -4 1 3 10372 01 13 10 01 21 08 --- 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 01 21 08 NRAO150 23 27 52 41.1 50.8 -4.5 -78.6 -4 1 3 13563 01 21 08 01 31 07 --- 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 01 31 07 NRAO150 23 37 52 42.7 51.2 -4.4 -80.3 -4 1 4 17552 01 31 07 01 35 06 --- 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 01 35 06 NRAO150 23 41 52 43.3 51.3 -4.3 -80.9 -4 1 4 15956 01 35 06 01 43 05 --- 23 49 52 44.5 51.6 -4.2 -82.3 475 R 1 12765 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) ---------------------------------------------------------------------------------------- --- 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 23 49 52 44.5 51.6 -4.2 -82.3 -4 1 4 12765 01 43 05 01 53 03 --- 23 59 52 46.1 51.9 -4.0 -84.1 594 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 23 59 52 46.1 51.9 -4.0 -84.1 -4 1 4 8776 01 53 03 01 57 03 --- 00 03 52 46.7 51.9 -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 01 57 03 NRAO150 00 03 52 46.7 51.9 -3.9 -84.8 -4 1 4 7180 01 57 03 02 05 01 --- 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 02 05 01 NRAO150 00 11 52 48.0 52.1 -3.8 -86.2 -4 1 4 3989 02 05 01 02 15 00 --- 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 02 16 29 0716+714 00 23 22 30.5 21.1 -7.0 -63.4 46 1 5 0 02 16 29 02 20 29 --- 00 27 22 30.8 21.2 -6.9 -64.2 239 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 00 27 22 30.8 21.2 -6.9 -64.2 -4 1 5 1596 02 20 29 02 28 27 --- 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 02 28 27 0716+714 00 35 22 31.4 21.5 -6.8 -66.0 -4 1 5 4787 02 28 27 02 38 26 --- 00 45 22 32.1 21.9 -6.6 -68.1 594 F 1 8776 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) ---------------------------------------------------------------------------------------- --- 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 00 46 52 53.5 52.2 -3.2 -93.0 41 1 5 8776 02 39 56 02 43 55 --- 00 50 52 54.1 52.1 -3.2 -93.8 239 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 02 43 55 NRAO150 00 50 52 54.1 52.1 -3.2 -93.8 -4 1 5 10372 02 43 55 02 51 54 --- 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 02 51 54 NRAO150 00 58 52 55.4 51.9 -3.0 -95.5 -4 1 5 13563 02 51 54 03 01 52 --- 01 08 52 56.9 51.6 -2.9 -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 03 01 52 NRAO150 01 08 52 56.9 51.6 -2.9 -97.7 -4 1 6 17552 03 01 52 03 05 51 --- 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 03 05 51 NRAO150 01 12 52 57.6 51.4 -2.8 -98.6 -4 1 6 15956 03 05 51 03 13 50 --- 01 20 52 58.8 51.0 -2.7 -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 03 13 50 NRAO150 01 20 52 58.8 51.0 -2.7 -100.5 -4 1 6 12765 03 13 50 03 23 48 --- 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 03 23 48 NRAO150 01 30 52 60.4 50.4 -2.5 -103.0 -4 1 6 8776 03 23 48 03 27 48 --- 01 34 52 61.0 50.1 -2.4 -104.1 235 R 1 7180 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) ---------------------------------------------------------------------------------------- --- 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 01 34 52 61.0 50.1 -2.4 -104.1 -4 1 6 7180 03 27 48 03 35 46 --- 01 42 52 62.2 49.4 -2.3 -106.2 475 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 03 35 46 NRAO150 01 42 52 62.2 49.4 -2.3 -106.2 -4 1 6 3989 03 35 46 03 45 45 --- 01 52 52 63.7 48.3 -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 03 48 14 DA193 01 55 22 43.8 67.3 -4.0 -73.0 104 1 7 0 03 48 14 03 52 14 --- 01 59 22 44.5 67.6 -3.9 -73.4 239 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 03 52 14 DA193 01 59 22 44.5 67.6 -3.9 -73.4 -4 1 7 1596 03 52 14 04 00 12 --- 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 04 00 12 DA193 02 07 22 46.0 68.2 -3.8 -74.3 -4 1 7 4787 04 00 12 04 10 11 --- 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 04 12 40 NRAO150 02 19 52 67.6 44.2 -1.7 -118.1 104 1 7 8776 04 12 40 04 16 40 --- 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 04 16 40 NRAO150 02 23 52 68.1 43.4 -1.6 -119.6 -4 1 7 10372 04 16 40 04 24 38 --- 02 31 52 69.2 41.6 -1.5 -122.9 475 F 1 13563 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) ---------------------------------------------------------------------------------------- --- 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 02 31 52 69.2 41.6 -1.5 -122.9 -4 1 7 13563 04 24 38 04 34 37 --- 02 41 52 70.5 39.0 -1.3 -127.3 594 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 04 34 37 NRAO150 02 41 52 70.5 39.0 -1.3 -127.3 -4 1 8 17552 04 34 37 04 38 36 --- 02 45 52 71.0 37.8 -1.2 -129.1 235 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 04 38 36 NRAO150 02 45 52 71.0 37.8 -1.2 -129.1 -4 1 8 15956 04 38 36 04 46 35 --- 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 04 46 35 NRAO150 02 53 52 71.9 35.2 -1.1 -133.2 -4 1 8 12765 04 46 35 04 56 33 --- 03 03 52 73.0 31.5 -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 04 56 33 NRAO150 03 03 52 73.0 31.5 -0.9 -138.7 -4 1 8 8776 04 56 33 05 00 32 --- 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 05 00 32 NRAO150 03 07 52 73.4 29.8 -0.9 -141.1 -4 1 8 7180 05 00 32 05 08 31 --- 03 15 52 74.2 26.2 -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 05 08 31 NRAO150 03 15 52 74.2 26.2 -0.7 -146.1 -4 1 8 3989 05 08 31 05 18 29 --- 03 25 52 75.0 21.1 -0.6 -153.0 594 R 1 0 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) ---------------------------------------------------------------------------------------- --- 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 03 27 22 44.9 22.7 -3.9 -106.2 23 1 9 0 05 19 59 05 23 59 --- 03 31 22 45.2 22.6 -3.9 -107.2 239 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 03 31 22 45.2 22.6 -3.9 -107.2 -4 1 9 1596 05 23 59 05 31 57 --- 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 05 31 57 0716+714 03 39 22 45.8 22.3 -3.7 -109.3 -4 1 9 4787 05 31 57 05 41 56 --- 03 49 22 46.5 21.9 -3.6 -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 05 43 25 NRAO150 03 50 52 76.2 5.9 -0.2 -172.5 24 1 9 8776 05 43 25 05 47 25 --- 03 54 52 76.2 3.3 -0.1 -175.8 239 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 05 47 25 NRAO150 03 54 52 76.2 3.3 -0.1 -175.8 -4 1 9 10372 05 47 25 05 55 23 --- 04 02 52 76.2 -2.0 0.0 177.5 475 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 05 55 23 NRAO150 04 02 52 76.2 -2.0 0.0 177.5 -4 1 9 13563 05 55 23 06 05 22 --- 04 12 52 76.1 -8.5 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 06 05 22 NRAO150 04 12 52 76.1 -8.5 0.2 169.2 -4 1 10 17552 06 05 22 06 09 21 --- 04 16 52 75.9 -11.0 0.3 166.0 235 R 1 15956 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) ---------------------------------------------------------------------------------------- --- 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 04 16 52 75.9 -11.0 0.3 166.0 -4 1 10 15956 06 09 21 06 17 20 --- 04 24 52 75.6 -15.9 0.4 159.7 475 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 06 17 20 NRAO150 04 24 52 75.6 -15.9 0.4 159.7 -4 1 10 12765 06 17 20 06 27 18 --- 04 34 52 74.9 -21.6 0.6 152.3 594 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 06 27 18 NRAO150 04 34 52 74.9 -21.6 0.6 152.3 -4 1 10 8776 06 27 18 06 31 18 --- 04 38 52 74.6 -23.7 0.6 149.5 235 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 06 31 18 NRAO150 04 38 52 74.6 -23.7 0.6 149.5 -4 1 10 7180 06 31 18 06 39 16 --- 04 46 52 73.9 -27.6 0.8 144.2 475 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 06 39 16 NRAO150 04 46 52 73.9 -27.6 0.8 144.2 -4 1 10 3989 06 39 16 06 49 15 --- 04 56 52 72.9 -31.8 0.9 138.1 594 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 06 51 44 DA193 04 59 22 78.7 72.5 -0.9 -98.7 74 1 11 0 06 51 44 06 55 43 --- 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 06 55 43 DA193 05 03 22 79.4 71.8 -0.9 -100.0 -4 1 11 1596 06 55 43 07 03 42 --- 05 11 22 80.9 70.0 -0.7 -103.0 475 F 1 4787 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) ---------------------------------------------------------------------------------------- --- 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 11 22 80.9 70.0 -0.7 -103.0 -4 1 11 4787 07 03 42 07 13 41 --- 05 21 22 82.8 66.4 -0.6 -108.2 594 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 16 10 NRAO150 05 23 52 69.7 -40.6 1.4 124.6 72 1 11 8776 07 16 10 07 20 09 --- 05 27 52 69.2 -41.6 1.5 122.9 239 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 07 20 09 NRAO150 05 27 52 69.2 -41.6 1.5 122.9 -4 1 11 10372 07 20 09 07 28 08 --- 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 07 28 08 NRAO150 05 35 52 68.1 -43.4 1.6 119.6 -4 1 11 13563 07 28 08 07 38 07 --- 05 45 52 66.7 -45.3 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 07 38 07 NRAO150 05 45 52 66.7 -45.3 1.8 115.9 -4 1 12 17552 07 38 07 07 42 06 --- 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 07 42 06 NRAO150 05 49 52 66.2 -46.0 1.8 114.5 -4 1 12 15956 07 42 06 07 50 05 --- 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 07 50 05 NRAO150 05 57 52 65.0 -47.2 2.0 111.9 -4 1 12 12765 07 50 05 08 00 03 --- 06 07 52 63.5 -48.5 2.1 108.8 594 R 1 8776 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) ---------------------------------------------------------------------------------------- --- 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 07 52 63.5 -48.5 2.1 108.8 -4 1 12 8776 08 00 03 08 04 02 --- 06 11 52 62.9 -48.9 2.2 107.6 235 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 08 04 02 NRAO150 06 11 52 62.9 -48.9 2.2 107.6 -4 1 12 7180 08 04 02 08 12 01 --- 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 08 12 01 NRAO150 06 19 52 61.7 -49.7 2.3 105.4 -4 1 12 3989 08 12 01 08 21 59 --- 06 29 52 60.2 -50.5 2.5 102.8 594 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 06 31 22 55.3 7.1 -0.9 -162.0 45 1 13 0 08 23 29 08 27 28 --- 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 08 27 28 0716+714 06 35 22 55.4 6.6 -0.8 -163.4 -4 1 13 1596 08 27 28 08 35 27 --- 06 43 22 55.5 5.5 -0.7 -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 08 35 27 0716+714 06 43 22 55.5 5.5 -0.7 -166.2 -4 1 13 4787 08 35 27 08 45 25 --- 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 08 47 55 DA193 06 55 52 78.0 -73.0 1.0 97.7 92 1 13 8776 08 47 55 08 51 54 --- 06 59 52 77.2 -73.4 1.1 96.6 239 F 1 10372 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) ---------------------------------------------------------------------------------------- --- 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 06 59 52 77.2 -73.4 1.1 96.6 -4 1 13 10372 08 51 54 08 59 53 --- 07 07 52 75.7 -74.0 1.2 94.7 475 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 08 59 53 DA193 07 07 52 75.7 -74.0 1.2 94.7 -4 1 13 13563 08 59 53 09 09 51 --- 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 09 12 21 NRAO150 07 20 22 52.3 -52.2 3.3 91.5 101 1 14 17552 09 12 21 09 16 20 --- 07 24 22 51.7 -52.2 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 09 16 20 NRAO150 07 24 22 51.7 -52.2 3.4 90.7 -4 1 14 15956 09 16 20 09 24 19 --- 07 32 22 50.4 -52.2 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 09 24 19 NRAO150 07 32 22 50.4 -52.2 3.5 89.1 -4 1 14 12765 09 24 19 09 34 17 --- 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 09 34 17 NRAO150 07 42 22 48.9 -52.2 3.7 87.2 -4 1 14 8776 09 34 17 09 38 17 --- 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 09 38 17 NRAO150 07 46 22 48.2 -52.1 3.8 86.5 -4 1 14 7180 09 38 17 09 46 15 --- 07 54 22 47.0 -52.0 3.9 85.1 475 R 1 3989 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) ---------------------------------------------------------------------------------------- --- 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 07 54 22 47.0 -52.0 3.9 85.1 -4 1 14 3989 09 46 15 09 56 14 --- 08 04 22 45.4 -51.7 4.1 83.3 594 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 04 22 45.4 -51.7 4.1 83.3 -4 2 1 0 09 56 14 10 00 13 --- 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 10 00 13 NRAO150 08 08 22 44.8 -51.6 4.1 82.6 -4 2 1 1596 10 00 13 10 08 12 --- 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 10 08 12 NRAO150 08 16 22 43.5 -51.4 4.3 81.2 -4 2 1 4787 10 08 12 10 18 10 --- 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 10 19 40 0716+714 08 27 52 54.9 -9.0 1.1 157.1 56 2 1 8776 10 19 40 10 23 39 --- 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 10 23 39 0716+714 08 31 52 54.7 -9.5 1.2 155.7 -4 2 1 10372 10 23 39 10 31 38 --- 08 39 52 54.5 -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 10 31 38 0716+714 08 39 52 54.5 -10.5 1.3 153.0 -4 2 1 13563 10 31 38 10 41 36 --- 08 49 52 54.1 -11.7 1.5 149.7 594 F 1 17552 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) ---------------------------------------------------------------------------------------- --- 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 08 51 22 38.1 -49.9 4.9 75.4 52 2 2 17552 10 43 06 10 47 05 --- 08 55 22 37.5 -49.7 4.9 74.7 239 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 10 47 05 NRAO150 08 55 22 37.5 -49.7 4.9 74.7 -4 2 2 15956 10 47 05 10 55 04 --- 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 10 55 04 NRAO150 09 03 22 36.3 -49.3 5.1 73.4 -4 2 2 12765 10 55 04 11 05 03 --- 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). 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