COVER INFORMATION Station: VLBA_FD (Code Fd ) Experiment: Rotation measure imaging of the CSO J1826+18 Exp. Code: BT081B Schedule Version: 1.00 Processed by SCHED version: NRAO internal release of 4 October 2004 PI: Greg Taylor Address: KIPAC 974 Cottrell Way, Stanford CA 94305 Phone: (505) 838 7411 (work); (650) 493 0097 (home) EMAIL: gtaylor@nrao.edu Fax: (505) 835 7027 Phone during observation: (505) 838 7411 Observing mode: VLBA 256-8-2 at 4cm and 6cm Notes: Fringe finder and EVPA cal #1: J2136+00 Pol. EVPA cal #2: BLLAC Pol. EVPA cal #3: J2253+16 Pol. D-term cal: 3C84 Schedule for VLBA_FD (Code Fd ) Page 2 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 17 41 00 J2136+00 20 16 42 54.6 143.8 -1.3 -30.6 0 1 1 0 17 41 00 17 43 00 --- 20 18 42 54.8 144.5 -1.3 -30.0 120 F 1 1596 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 17 43 00 J2136+00 20 18 42 54.8 144.5 -1.3 -30.0 -4 1 1 1596 17 43 00 17 44 59 --- 20 20 42 55.1 145.3 -1.3 -29.3 116 F 1 3191 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 17 46 59 BLLAC 20 22 42 66.9 52.8 -1.7 -112.1 52 1 1 3191 17 46 59 17 48 59 --- 20 24 42 67.2 52.4 -1.6 -112.7 120 F 1 4787 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 17 48 59 BLLAC 20 24 42 67.2 52.4 -1.6 -112.7 -4 1 1 4787 17 48 59 17 50 58 --- 20 26 42 67.5 52.1 -1.6 -113.4 116 F 1 6383 17 50 58 J0000+40 20 26 42 46.0 61.1 -3.6 -85.8 -49 1 1 6383 17 50 58 18 00 57 --- 20 36 42 47.9 61.3 -3.4 -87.3 549 F 1 14361 Schedule for VLBA_FD (Code Fd ) Page 3 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 18 00 57 J0000+40 20 36 42 47.9 61.3 -3.4 -87.3 -4 1 2 14361 18 00 57 18 10 55 --- 20 46 42 49.8 61.4 -3.2 -88.9 594 R 1 12861 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 18 10 55 J0000+40 20 46 42 49.8 61.4 -3.2 -88.9 -4 1 2 12861 18 10 55 18 20 54 --- 20 56 42 51.7 61.4 -3.1 -90.5 594 R 1 4883 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 18 20 54 J0000+40 20 56 42 51.7 61.4 -3.1 -90.5 -4 1 3 4883 18 20 54 18 30 52 --- 21 06 42 53.6 61.3 -2.9 -92.2 594 F 1 3095 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 18 30 52 J0000+40 21 06 42 53.6 61.3 -2.9 -92.2 -4 1 3 3095 18 30 52 18 40 50 --- 21 16 42 55.5 61.2 -2.7 -94.0 594 F 1 11073 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 18 40 50 J0000+40 21 16 42 55.5 61.2 -2.7 -94.0 -4 1 4 11073 18 40 50 18 50 49 --- 21 26 42 57.3 60.9 -2.6 -95.9 594 R 1 16149 18 51 48 3C84 21 27 42 21.0 53.3 -5.9 -67.1 -19 1 4 16149 18 51 48 18 54 48 --- 21 30 42 21.6 53.5 -5.8 -67.6 161 R 1 13755 Schedule for VLBA_FD (Code Fd ) Page 4 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 18 54 48 3C84 21 30 42 21.6 53.5 -5.8 -67.6 -4 1 4 13755 18 54 48 18 57 47 --- 21 33 42 22.1 53.7 -5.8 -68.0 176 R 1 11362 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 18 59 47 BLLAC 21 35 42 77.1 23.1 -0.5 -152.8 4 1 4 11362 18 59 47 19 02 47 --- 21 38 42 77.4 20.9 -0.4 -155.5 180 R 1 8968 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 19 02 47 BLLAC 21 38 42 77.4 20.9 -0.4 -155.5 -4 1 4 8968 19 02 47 19 05 46 --- 21 41 42 77.6 18.5 -0.4 -158.3 176 R 1 6575 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 19 07 46 J2136+00 21 43 42 60.0 183.4 0.1 2.9 4 1 4 6575 19 07 46 19 09 45 --- 21 45 42 60.0 184.4 0.1 3.8 120 R 1 4979 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 19 09 45 J2136+00 21 45 42 60.0 184.4 0.1 3.8 -4 1 4 4979 19 09 45 19 11 45 --- 21 47 42 60.0 185.4 0.2 4.7 116 R 1 3383 19 11 45 J0000+40 21 47 42 61.3 59.8 -2.2 -100.3 -90 1 5 3383 19 11 45 19 21 44 --- 21 57 42 63.1 59.0 -2.1 -102.6 509 F 1 4595 Schedule for VLBA_FD (Code Fd ) Page 5 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 19 21 44 J0000+40 21 57 42 63.1 59.0 -2.1 -102.6 -4 1 5 4595 19 21 44 19 31 42 --- 22 07 42 64.9 57.9 -1.9 -105.2 594 F 1 12573 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 19 31 42 J0000+40 22 07 42 64.9 57.9 -1.9 -105.2 -4 1 6 12573 19 31 42 19 41 40 --- 22 17 42 66.8 56.6 -1.7 -108.1 594 R 1 14649 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 19 41 40 J0000+40 22 17 42 66.8 56.6 -1.7 -108.1 -4 1 6 14649 19 41 40 19 51 39 --- 22 27 42 68.5 54.9 -1.6 -111.2 594 R 1 6671 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 19 51 39 J0000+40 22 27 42 68.5 54.9 -1.6 -111.2 -4 1 7 6671 19 51 39 20 01 37 --- 22 37 42 70.3 52.8 -1.4 -114.8 594 F 1 1307 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 20 01 37 J0000+40 22 37 42 70.3 52.8 -1.4 -114.8 -4 1 7 1307 20 01 37 20 11 35 --- 22 47 42 72.0 50.2 -1.2 -119.0 594 F 1 9285 20 12 35 J2253+16 22 48 42 75.5 174.7 -0.1 -4.7 -29 1 7 9285 20 12 35 20 14 35 --- 22 50 42 75.5 176.6 -0.1 -3.0 90 F 1 10881 Schedule for VLBA_FD (Code Fd ) Page 6 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 20 14 35 J2253+16 22 50 42 75.5 176.6 -0.1 -3.0 -4 1 7 10881 20 14 35 20 16 34 --- 22 52 42 75.5 178.6 0.0 -1.3 116 F 1 12477 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 20 18 34 3C84 22 54 42 36.6 58.7 -4.4 -79.0 34 1 7 12477 20 18 34 20 20 34 --- 22 56 42 37.0 58.8 -4.4 -79.3 120 F 1 14072 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 20 20 34 3C84 22 56 42 37.0 58.8 -4.4 -79.3 -4 1 7 14072 20 20 34 20 22 34 --- 22 58 42 37.3 58.8 -4.4 -79.6 116 F 1 15668 20 22 34 J0000+40 22 58 42 73.7 46.5 -1.0 -124.3 -79 1 8 15668 20 22 34 20 32 32 --- 23 08 42 75.2 42.2 -0.9 -130.1 520 R 1 11554 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 20 32 32 J0000+40 23 08 42 75.2 42.2 -0.9 -130.1 -4 1 8 11554 20 32 32 20 42 30 --- 23 18 42 76.6 36.9 -0.7 -136.9 594 R 1 3576 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 20 42 30 J0000+40 23 18 42 76.6 36.9 -0.7 -136.9 -4 1 9 3576 20 42 30 20 52 29 --- 23 28 42 77.8 30.3 -0.5 -145.0 594 F 1 4402 Schedule for VLBA_FD (Code Fd ) Page 7 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 20 52 29 J0000+40 23 28 42 77.8 30.3 -0.5 -145.0 -4 1 9 4402 20 52 29 21 02 27 --- 23 38 42 78.8 22.2 -0.4 -154.5 594 F 1 12381 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 21 02 27 J0000+40 23 38 42 78.8 22.2 -0.4 -154.5 -4 1 10 12381 21 02 27 21 12 25 --- 23 48 42 79.4 12.9 -0.2 -165.3 594 R 1 14841 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 21 12 25 J0000+40 23 48 42 79.4 12.9 -0.2 -165.3 -4 1 10 14841 21 12 25 21 22 24 --- 23 58 42 79.7 2.5 0.0 -177.1 594 R 1 6863 21 23 24 J2253+16 23 59 42 69.2 229.7 1.1 43.1 -98 1 10 6863 21 23 24 21 25 23 --- 00 01 42 68.9 230.6 1.1 43.8 22 R 1 5267 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 21 25 23 J2253+16 00 01 42 68.9 230.6 1.1 43.8 -4 1 10 5267 21 25 23 21 27 23 --- 00 03 42 68.5 231.6 1.2 44.6 116 R 1 3672 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 21 29 23 3C84 00 05 42 49.8 60.5 -3.2 -89.6 0 1 10 3672 21 29 23 21 31 22 --- 00 07 42 50.2 60.5 -3.2 -90.0 120 R 1 2076 Schedule for VLBA_FD (Code Fd ) Page 8 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 21 31 22 3C84 00 07 42 50.2 60.5 -3.2 -90.0 -4 1 10 2076 21 31 22 21 33 22 --- 00 09 42 50.5 60.5 -3.2 -90.3 116 R 1 481 21 33 22 J0000+40 00 09 42 79.6 -9.0 0.1 169.8 -64 1 11 481 21 33 22 21 43 20 --- 00 19 42 79.0 -18.8 0.3 158.5 534 F 1 7498 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 21 43 20 J0000+40 00 19 42 79.0 -18.8 0.3 158.5 -4 1 11 7498 21 43 20 21 53 19 --- 00 29 42 78.2 -27.4 0.5 148.4 594 F 1 15476 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 21 53 19 J0000+40 00 29 42 78.2 -27.4 0.5 148.4 -4 1 12 15476 21 53 19 22 03 17 --- 00 39 42 77.1 -34.5 0.6 139.8 594 R 1 11746 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 22 03 17 J0000+40 00 39 42 77.1 -34.5 0.6 139.8 -4 1 12 11746 22 03 17 22 13 15 --- 00 49 42 75.8 -40.3 0.8 132.5 594 R 1 3768 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 22 13 15 J0000+40 00 49 42 75.8 -40.3 0.8 132.5 -4 1 13 3768 22 13 15 22 23 14 --- 00 59 42 74.3 -45.0 1.0 126.4 594 F 1 4210 Schedule for VLBA_FD (Code Fd ) Page 9 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 22 23 14 J0000+40 00 59 42 74.3 -45.0 1.0 126.4 -4 1 13 4210 22 23 14 22 33 12 --- 01 09 42 72.7 -48.7 1.1 121.2 594 F 1 12188 22 35 12 3C84 01 11 42 62.1 58.1 -2.1 -102.6 42 1 13 12188 22 35 12 22 37 11 --- 01 13 42 62.4 57.9 -2.1 -103.0 120 F 1 13784 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 22 37 11 3C84 01 13 42 62.4 57.9 -2.1 -103.0 -4 1 13 13784 22 37 11 22 39 11 --- 01 15 42 62.8 57.8 -2.1 -103.5 116 F 1 15380 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 22 41 11 BLLAC 01 17 42 49.7 -59.3 3.2 90.5 36 1 13 15380 22 41 11 22 43 10 --- 01 19 42 49.4 -59.3 3.3 90.1 120 F 1 16975 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 22 43 10 BLLAC 01 19 42 49.4 -59.3 3.3 90.1 -4 1 14 16975 22 43 10 22 45 10 --- 01 21 42 49.0 -59.3 3.3 89.8 116 R 1 16629 22 45 10 J0000+40 01 21 42 70.8 -52.1 1.3 115.9 -50 1 14 16629 22 45 10 22 55 08 --- 01 31 42 69.0 -54.4 1.5 112.2 549 R 1 8651 Schedule for VLBA_FD (Code Fd ) Page 10 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 22 55 08 J0000+40 01 31 42 69.0 -54.4 1.5 112.2 -4 1 14 8651 22 55 08 23 05 07 --- 01 41 42 67.3 -56.2 1.7 108.9 594 R 1 673 ----------- Tape Change ------------ Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 23 05 07 J0000+40 01 41 42 67.3 -56.2 1.7 108.9 -4 2 1 673 23 05 07 23 15 05 --- 01 51 42 65.5 -57.6 1.8 106.0 594 F 1 7305 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 23 15 05 J0000+40 01 51 42 65.5 -57.6 1.8 106.0 -4 2 1 7305 23 15 05 23 25 04 --- 02 01 42 63.6 -58.7 2.0 103.3 594 F 1 15283 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 23 25 04 J0000+40 02 01 42 63.6 -58.7 2.0 103.3 -4 2 2 15283 23 25 04 23 35 02 --- 02 11 42 61.8 -59.6 2.2 100.9 594 R 1 11938 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 23 35 02 J0000+40 02 11 42 61.8 -59.6 2.2 100.9 -4 2 2 11938 23 35 02 23 45 00 --- 02 21 42 59.9 -60.2 2.3 98.7 594 R 1 3960 Schedule for VLBA_FD (Code Fd ) Page 11 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sat 12 Feb 2005 Day 43 --- 23 47 00 3C84 02 23 42 74.3 42.3 -0.9 -129.3 45 2 2 3960 23 47 00 23 49 00 --- 02 25 42 74.6 41.4 -0.9 -130.5 120 R 1 2365 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 23 49 00 3C84 02 25 42 74.6 41.4 -0.9 -130.5 -4 2 2 2365 23 49 00 23 50 59 --- 02 27 42 74.8 40.5 -0.9 -131.8 116 R 1 769 --- Start: Sat 12 Feb 2005 Day 43 -- Stop: Sun 13 Feb 2005 Day 44 --- 23 50 59 J0000+40 02 27 42 58.8 -60.5 2.4 97.5 -73 2 3 769 23 50 59 00 00 58 --- 02 37 42 56.9 -60.9 2.6 95.5 525 F 1 7209 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 00 00 58 J0000+40 02 37 42 56.9 -60.9 2.6 95.5 -4 2 3 7209 00 00 58 00 10 56 --- 02 47 42 55.0 -61.2 2.8 93.6 594 F 1 15187 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 00 10 56 J0000+40 02 47 42 55.0 -61.2 2.8 93.6 -4 2 4 15187 00 10 56 00 20 54 --- 02 57 42 53.2 -61.4 2.9 91.9 594 R 1 12034 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 00 20 54 J0000+40 02 57 42 53.2 -61.4 2.9 91.9 -4 2 4 12034 00 20 54 00 30 53 --- 03 07 42 51.3 -61.4 3.1 90.2 594 R 1 4056 Schedule for VLBA_FD (Code Fd ) Page 12 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sun 13 Feb 2005 Day 44 --- Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 00 30 53 J0000+40 03 07 42 51.3 -61.4 3.1 90.2 -4 2 5 4056 00 30 53 00 40 51 --- 03 17 42 49.4 -61.4 3.3 88.6 594 F 1 3922 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 00 40 51 J0000+40 03 17 42 49.4 -61.4 3.3 88.6 -4 2 5 3922 00 40 51 00 50 49 --- 03 27 42 47.5 -61.3 3.4 87.0 594 F 1 11900 00 51 49 3C84 03 28 42 79.0 -8.4 0.1 170.3 -9 2 5 11900 00 51 49 00 53 49 --- 03 30 42 78.9 -10.3 0.2 168.1 111 F 1 13496 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 00 53 49 3C84 03 30 42 78.9 -10.3 0.2 168.1 -4 2 5 13496 00 53 49 00 55 49 --- 03 32 42 78.8 -12.2 0.2 165.9 116 F 1 15091 00 55 49 J0000+40 03 32 42 46.6 -61.2 3.5 86.3 -71 2 6 15091 00 55 49 01 05 47 --- 03 42 42 44.7 -61.0 3.7 84.8 528 R 1 12131 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 01 05 47 J0000+40 03 42 42 44.7 -61.0 3.7 84.8 -4 2 6 12131 01 05 47 01 15 45 --- 03 52 42 42.8 -60.7 3.9 83.3 594 R 1 4152 Schedule for VLBA_FD (Code Fd ) Page 13 Rotation measure imaging of the CSO J1826+18 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) ---------------------------------------------------------------------------------------- --- Sun 13 Feb 2005 Day 44 --- Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 01 15 45 J0000+40 03 52 42 42.8 -60.7 3.9 83.3 -4 2 7 4152 01 15 45 01 25 44 --- 04 02 42 40.9 -60.4 4.0 81.9 594 F 1 3826 Next scan frequencies: 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 01 25 44 J0000+40 04 02 42 40.9 -60.4 4.0 81.9 -4 2 7 3826 01 25 44 01 35 42 --- 04 12 42 39.1 -60.0 4.2 80.5 594 F 1 11804 01 37 12 3C84 04 14 12 74.6 -41.2 0.9 130.7 13 2 7 11804 01 37 12 01 39 12 --- 04 16 12 74.3 -42.1 0.9 129.5 120 F 1 13400 Next scan frequencies: 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 Next BBC frequencies: 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 01 39 12 3C84 04 16 12 74.3 -42.1 0.9 129.5 -4 2 7 13400 01 39 12 01 41 11 --- 04 18 12 74.0 -43.0 1.0 128.4 116 F 1 14995 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: rm6cmv.set Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C VLBA FE= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 4609.49 4609.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 BBC fr= 509.49 509.49 575.49 575.49 890.49 890.49 991.49 991.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto Setup file: rm4cmv.set Matches group v4cm_3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 2 Station: VLBA Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 7.6 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 2 Setup file default. Used pcal sets: 2 LO sum= 8110.99 8110.99 8186.99 8186.99 8416.99 8416.99 8580.49 8580.49 BBC fr= 510.99 510.99 586.99 586.99 816.99 816.99 980.49 980.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 10 10 10 510 6010 6010 6010 6510 PCALFR2= 10 10 10 510 6010 6010 6010 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- Rotation measure imaging of the CSO J1826+18 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) * J0000+40 23 58 19.409691 * 00 00 53.081500 00 01 06.636969 40 37 19.87256 * 40 54 01.80600 40 55 45.13967 From catalog imbedded in main SCHED input file. 6.648 scan hours, 289.136 baseline hours above horizon. J0319+4130 03 16 29.567273 * 03 19 48.160103 03 20 07.699816 0316+413 41 19 51.91592 * 41 30 42.10305 41 32 01.09025 * 3C84 /home/filehost/cwalker/sched/catalogs/sources.vlba J0319+41 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.499 scan hours, 19.998 baseline hours above horizon. J2136+0041 21 34 05.207365 * 21 36 38.586300 21 36 52.589528 2134+00 00 28 25.08052 * 00 41 54.21335 00 43 03.87998 2134+004 /home/filehost/cwalker/sched/catalogs/sources.vlba * J2136+00 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.133 scan hours, 5.489 baseline hours above horizon. J2202+4216 22 00 39.362511 * 22 02 43.291378 22 02 53.488314 2200+420 42 02 08.59080 * 42 16 39.97994 42 18 00.48375 * BLLAC /home/filehost/cwalker/sched/catalogs/sources.vlba J2202+42 ICRF - Ext.1 Source - 1998 IERS Annual Report VR42220 0.233 scan hours, 10.298 baseline hours above horizon. J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 11.146811 2251+158 15 52 54.34806 * 16 08 53.56089 16 10 22.92993 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba * J2253+16 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.133 scan hours, 5.028 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) J0000+40 62.7 3C84 94.1 J2136+00 14.3 BLLAC 55.9 J2253+16 34.0 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