COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: Search for excited OH in Cygnus A Exp. Code: BP102 Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Y.M. Pihlstroem Address: NRAO Socorro P.O. Box O Socorro NM 87801 Phone: 505-835-7387 (work) EMAIL: ypihlstr@nrao.edu Fax: 505-835-7027 Phone during observation: 505-835-7387 Observing mode: VLBA non-standard Notes: 2cm line observations, IFs are overlapping in frequency *** Please make sure PHASE CAL is OFF *** Schedule for VLBA_HN (Code Hn ) Page 2 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- Next scan frequencies: 12701.16 12701.16 12713.66 12713.66 Next BBC frequencies: 801.16 801.16 813.66 813.66 Next scan bandwidths: 16.00 16.00 16.00 16.00 15 00 00 3C345 16 16 02 84.0 119.4 -0.5 -56.1 0 1 1 0 15 00 00 15 05 00 --- 16 21 03 84.8 125.3 -0.4 -51.0 300 F 1 4000 15 07 23 J2007+4029 16 23 27 48.8 73.5 -3.7 -67.4 65 1 1 4000 15 07 23 15 08 53 =2005+403 16 24 57 49.1 73.7 -3.7 -67.5 90 F 1 5200 15 09 16 CYGA 16 25 20 50.7 74.3 -3.6 -68.5 13 1 1 5200 15 09 16 15 16 16 --- 16 32 21 52.0 75.1 -3.5 -69.0 420 F 1 10800 15 16 38 J2007+4029 16 32 43 50.5 74.6 -3.6 -68.1 13 1 1 10800 15 16 38 15 18 08 =2005+403 16 34 13 50.7 74.7 -3.6 -68.3 90 F 1 12000 15 18 30 CYGA 16 34 36 52.4 75.3 -3.4 -69.2 13 1 1 12000 15 18 30 15 25 30 --- 16 41 37 53.6 76.1 -3.3 -69.7 420 F 1 17600 15 25 52 J2007+4029 16 41 59 52.1 75.6 -3.4 -68.8 13 1 2 17600 15 25 52 15 27 12 =2005+403 16 43 19 52.4 75.7 -3.4 -68.9 80 R 1 16533 15 27 35 CYGA 16 43 42 54.0 76.3 -3.3 -69.9 13 1 2 16533 15 27 35 15 33 35 --- 16 49 43 55.0 77.0 -3.2 -70.3 360 R 1 11733 15 33 57 J2007+4029 16 50 05 53.6 76.5 -3.3 -69.4 13 1 2 11733 15 33 57 15 35 17 =2005+403 16 51 25 53.8 76.6 -3.3 -69.5 80 R 1 10667 15 35 39 CYGA 16 51 47 55.4 77.2 -3.1 -70.5 13 1 2 10667 15 35 39 15 41 39 --- 16 57 48 56.5 77.9 -3.0 -70.9 360 R 1 5867 15 42 01 J2007+4029 16 58 10 55.0 77.4 -3.2 -70.0 13 1 2 5867 15 42 01 15 43 21 =2005+403 16 59 31 55.2 77.6 -3.1 -70.1 80 R 1 4800 15 43 44 CYGA 16 59 53 56.9 78.1 -3.0 -71.0 13 1 2 4800 15 43 44 15 49 44 --- 17 05 54 57.9 78.8 -2.9 -71.4 360 R 1 0 15 50 06 J2007+4029 17 06 16 56.4 78.3 -3.0 -70.6 13 1 3 0 15 50 06 15 51 26 =2005+403 17 07 36 56.7 78.5 -3.0 -70.7 80 F 1 1067 15 51 48 CYGA 17 07 59 58.3 79.1 -2.9 -71.6 13 1 3 1067 15 51 48 15 57 48 --- 17 14 00 59.4 79.7 -2.8 -72.0 360 F 1 5867 Schedule for VLBA_HN (Code Hn ) Page 3 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- 15 58 10 J2007+4029 17 14 22 57.9 79.3 -2.9 -71.1 13 1 3 5867 15 58 10 15 59 30 =2005+403 17 15 42 58.1 79.4 -2.9 -71.2 80 F 1 6933 15 59 53 CYGA 17 16 05 59.8 80.0 -2.7 -72.1 13 1 3 6933 15 59 53 16 05 53 --- 17 22 06 60.9 80.7 -2.6 -72.5 360 F 1 11733 16 06 15 J2007+4029 17 22 28 59.4 80.2 -2.8 -71.6 13 1 3 11733 16 06 15 16 07 35 =2005+403 17 23 48 59.6 80.4 -2.7 -71.7 80 F 1 12800 16 07 57 CYGA 17 24 11 61.2 80.9 -2.6 -72.6 13 1 3 12800 16 07 57 16 13 57 --- 17 30 12 62.3 81.6 -2.5 -73.0 360 F 1 17600 16 14 19 J2007+4029 17 30 34 60.8 81.2 -2.6 -72.1 13 1 4 17600 16 14 19 16 15 39 =2005+403 17 31 54 61.1 81.3 -2.6 -72.2 80 R 1 16533 16 16 02 CYGA 17 32 17 62.7 81.9 -2.5 -73.1 13 1 4 16533 16 16 02 16 22 02 --- 17 38 18 63.8 82.6 -2.4 -73.4 360 R 1 11733 16 22 24 J2007+4029 17 38 40 62.3 82.2 -2.5 -72.5 13 1 4 11733 16 22 24 16 23 44 =2005+403 17 40 00 62.5 82.3 -2.5 -72.6 80 R 1 10667 16 24 06 CYGA 17 40 23 64.2 82.9 -2.3 -73.5 13 1 4 10667 16 24 06 16 30 06 --- 17 46 24 65.3 83.6 -2.2 -73.8 360 R 1 5867 16 30 28 J2007+4029 17 46 46 63.8 83.2 -2.4 -73.0 13 1 4 5867 16 30 28 16 31 48 =2005+403 17 48 06 64.0 83.3 -2.3 -73.0 80 R 1 4800 16 32 11 CYGA 17 48 29 65.6 83.9 -2.2 -73.9 13 1 4 4800 16 32 11 16 38 11 --- 17 54 30 66.7 84.7 -2.1 -74.2 360 R 1 0 16 38 33 J2007+4029 17 54 52 65.2 84.2 -2.2 -73.3 13 1 5 0 16 38 33 16 39 53 =2005+403 17 56 12 65.5 84.4 -2.2 -73.4 80 F 1 1067 16 40 16 CYGA 17 56 34 67.1 84.9 -2.0 -74.3 13 1 5 1067 16 40 16 16 45 56 --- 18 02 15 68.2 85.7 -2.0 -74.5 340 F 1 5600 16 46 18 J2007+4029 18 02 38 66.6 85.2 -2.1 -73.7 13 1 5 5600 16 46 18 16 47 38 =2005+403 18 03 58 66.9 85.4 -2.1 -73.7 80 F 1 6667 16 48 00 CYGA 18 04 20 68.5 86.0 -1.9 -74.6 13 1 5 6667 16 48 00 16 53 40 --- 18 10 01 69.6 86.8 -1.8 -74.8 340 F 1 11200 Schedule for VLBA_HN (Code Hn ) Page 4 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- 16 54 02 J2007+4029 18 10 23 68.1 86.3 -2.0 -73.9 13 1 5 11200 16 54 02 16 55 22 =2005+403 18 11 44 68.3 86.5 -1.9 -74.0 80 F 1 12267 16 55 45 CYGA 18 12 06 70.0 87.1 -1.8 -74.8 13 1 5 12267 16 55 45 17 01 25 --- 18 17 47 71.0 87.9 -1.7 -74.9 340 F 1 16800 17 01 47 J2007+4029 18 18 09 69.5 87.4 -1.8 -74.1 13 1 5 16800 17 01 47 17 02 47 =2005+403 18 19 09 69.7 87.6 -1.8 -74.2 60 F 1 17600 17 07 06 3C345 18 23 29 71.0 269.1 1.7 72.3 132 1 6 17600 17 07 06 17 12 06 --- 18 28 30 70.1 270.0 1.8 72.4 300 R 1 13600 17 16 25 J2007+4029 18 32 50 72.2 449.7 -1.6 -74.3 134 1 6 13600 17 16 25 17 17 55 =2005+403 18 34 21 72.4 450.0 -1.6 -74.3 90 R 1 12400 17 22 00 CYGA 18 38 26 74.8 91.4 -1.4 -75.0 0 1 6 12400 17 22 00 17 29 00 --- 18 45 27 76.1 92.7 -1.2 -74.8 420 R 1 6800 17 29 23 J2007+4029 18 45 50 74.5 92.1 -1.4 -74.2 13 1 6 6800 17 29 23 17 30 53 =2005+403 18 47 20 74.8 92.4 -1.3 -74.2 90 R 1 5600 17 31 15 CYGA 18 47 42 76.5 93.2 -1.2 -74.8 13 1 6 5600 17 31 15 17 38 15 --- 18 54 43 77.8 94.8 -1.1 -74.4 420 R 1 0 17 38 37 J2007+4029 18 55 06 76.2 94.0 -1.2 -73.9 13 1 7 0 17 38 37 17 39 57 =2005+403 18 56 26 76.5 94.3 -1.2 -73.8 80 F 1 1067 17 40 20 CYGA 18 56 48 78.1 95.3 -1.0 -74.2 13 1 7 1067 17 40 20 17 46 20 --- 19 02 49 79.2 96.9 -0.9 -73.6 360 F 1 5867 17 46 42 J2007+4029 19 03 11 77.7 95.9 -1.1 -73.3 13 1 7 5867 17 46 42 17 48 02 =2005+403 19 04 32 78.0 96.3 -1.1 -73.2 80 F 1 6933 17 48 24 CYGA 19 04 54 79.6 97.5 -0.9 -73.3 13 1 7 6933 17 48 24 17 54 24 --- 19 10 55 80.7 99.5 -0.8 -72.4 360 F 1 11733 17 54 46 J2007+4029 19 11 17 79.2 98.2 -0.9 -72.4 13 1 7 11733 17 54 46 17 56 06 =2005+403 19 12 37 79.4 98.6 -0.9 -72.2 80 F 1 12800 17 56 28 CYGA 19 13 00 81.1 100.3 -0.8 -72.0 13 1 7 12800 17 56 28 18 02 28 --- 19 19 01 82.1 102.8 -0.7 -70.5 360 F 1 17600 Schedule for VLBA_HN (Code Hn ) Page 5 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- 18 02 50 J2007+4029 19 19 23 80.7 100.9 -0.8 -71.0 13 1 8 17600 18 02 50 18 04 10 =2005+403 19 20 43 80.9 101.5 -0.8 -70.7 80 R 1 16533 18 04 33 CYGA 19 21 06 82.5 103.8 -0.6 -69.8 13 1 8 16533 18 04 33 18 10 33 --- 19 27 07 83.6 107.2 -0.5 -67.4 360 R 1 11733 18 10 55 J2007+4029 19 27 29 82.1 104.5 -0.7 -68.8 13 1 8 11733 18 10 55 18 12 15 =2005+403 19 28 49 82.3 105.2 -0.7 -68.3 80 R 1 10667 18 12 37 CYGA 19 29 11 83.9 108.6 -0.5 -66.3 13 1 8 10667 18 12 37 18 18 37 --- 19 35 12 85.0 113.8 -0.4 -62.2 360 R 1 5867 18 18 59 J2007+4029 19 35 34 83.5 109.3 -0.5 -65.4 13 1 8 5867 18 18 59 18 20 19 =2005+403 19 36 54 83.7 110.2 -0.5 -64.6 80 R 1 4800 18 20 41 CYGA 19 37 17 85.3 116.0 -0.4 -60.3 13 1 8 4800 18 20 41 18 26 41 --- 19 43 18 86.3 124.6 -0.3 -52.7 360 R 1 0 18 27 03 J2007+4029 19 43 40 84.9 116.3 -0.4 -59.7 10 1 9 0 18 27 03 18 28 23 =2005+403 19 45 00 85.1 117.8 -0.4 -58.4 80 F 1 1067 18 28 46 CYGA 19 45 22 86.6 128.5 -0.2 -49.1 9 1 9 1067 18 28 46 18 34 46 --- 19 51 23 87.3 144.6 -0.1 -34.0 360 F 1 5867 18 35 08 J2007+4029 19 51 46 86.1 127.7 -0.3 -49.7 5 1 9 5867 18 35 08 18 36 28 =2005+403 19 53 06 86.3 130.2 -0.2 -47.3 80 F 1 6933 18 36 51 CYGA 19 53 29 87.5 152.3 -0.1 -26.7 3 1 9 6933 18 36 51 18 42 51 --- 19 59 30 87.8 179.8 0.0 -0.1 360 F 1 11733 18 43 18 J2007+4029 19 59 57 87.2 148.2 -0.1 -30.5 0 1 9 11733 18 43 18 18 44 38 =2005+403 20 01 18 87.3 152.8 -0.1 -26.1 80 F 1 12800 18 45 10 CYGA 20 01 49 87.8 191.2 0.0 10.8 0 1 9 12800 18 45 10 18 51 10 --- 20 07 50 87.3 215.9 0.1 34.5 360 F 1 17600 18 51 39 J2007+4029 20 08 19 87.6 182.3 0.0 2.2 1 1 10 17600 18 51 39 18 52 59 =2005+403 20 09 40 87.5 188.2 0.0 7.9 80 R 1 16533 18 53 31 CYGA 20 10 11 87.0 223.1 0.2 41.3 3 1 10 16533 18 53 31 18 59 11 --- 20 15 52 86.3 235.6 0.3 52.9 340 R 1 12000 Schedule for VLBA_HN (Code Hn ) Page 6 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- 18 59 47 J2007+4029 20 16 29 87.1 214.4 0.1 33.0 17 1 10 12000 18 59 47 19 01 07 =2005+403 20 17 50 86.9 218.4 0.2 36.7 80 R 1 10933 19 01 51 CYGA 20 18 33 85.8 239.9 0.3 56.7 23 1 10 10933 19 01 51 19 07 31 --- 20 24 14 84.9 246.6 0.4 62.5 340 R 1 6400 19 08 24 J2007+4029 20 25 07 86.0 234.5 0.3 51.6 39 1 10 6400 19 08 24 19 09 44 =2005+403 20 26 27 85.8 236.6 0.3 53.5 80 R 1 5333 19 10 53 CYGA 20 27 37 84.3 249.6 0.5 64.9 55 1 10 5333 19 10 53 19 16 33 --- 20 33 18 83.3 253.6 0.6 68.0 340 R 1 800 19 17 43 J2007+4029 20 34 28 84.5 246.2 0.4 61.8 59 1 10 800 19 17 43 19 18 43 =2005+403 20 35 28 84.3 247.1 0.5 62.5 60 R 1 0 19 21 23 3C345 20 38 08 46.7 286.7 3.9 65.9 79 1 11 0 19 21 23 19 26 23 --- 20 43 09 45.8 287.3 4.0 65.5 300 F 1 4000 19 28 45 J2007+4029 20 45 32 82.6 254.1 0.6 67.9 63 1 11 4000 19 28 45 19 30 15 =2005+403 20 47 02 82.3 255.0 0.7 68.4 90 F 1 5200 19 31 00 CYGA 20 47 47 80.8 260.4 0.8 72.3 35 1 11 5200 19 31 00 19 38 00 --- 20 54 48 79.5 262.7 0.9 73.4 420 F 1 10800 19 38 27 J2007+4029 20 55 16 80.8 258.7 0.8 70.8 19 1 11 10800 19 38 27 19 39 57 =2005+403 20 56 46 80.6 259.3 0.8 71.1 90 F 1 12000 19 40 24 CYGA 20 57 13 79.1 263.4 1.0 73.7 18 1 11 12000 19 40 24 19 47 24 --- 21 04 14 77.8 265.2 1.1 74.3 420 F 1 17600 19 47 46 J2007+4029 21 04 36 79.1 261.9 0.9 72.4 13 1 12 17600 19 47 46 19 49 06 =2005+403 21 05 56 78.9 262.3 1.0 72.6 80 R 1 16533 19 49 29 CYGA 21 06 19 77.4 265.7 1.1 74.5 13 1 12 16533 19 49 29 19 55 29 --- 21 12 20 76.3 267.0 1.2 74.8 360 R 1 11733 19 55 51 J2007+4029 21 12 42 77.7 264.2 1.1 73.3 13 1 12 11733 19 55 51 19 57 11 =2005+403 21 14 02 77.4 264.5 1.1 73.4 80 R 1 10667 19 57 36 CYGA 21 14 28 75.9 267.4 1.2 74.9 17 1 12 10667 19 57 36 20 03 36 --- 21 20 29 74.8 268.6 1.3 75.0 360 R 1 5867 Schedule for VLBA_HN (Code Hn ) Page 7 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- 20 04 24 J2007+4029 21 21 16 76.1 266.2 1.2 73.9 39 1 12 5867 20 04 24 20 05 44 =2005+403 21 22 36 75.9 266.5 1.2 74.0 80 R 1 4800 20 06 39 CYGA 21 23 32 74.2 269.2 1.4 75.1 46 1 12 4800 20 06 39 20 12 39 --- 21 29 33 73.1 270.2 1.5 75.1 360 R 1 0 20 13 09 J2007+4029 21 30 02 74.5 268.0 1.4 74.2 21 1 13 0 20 13 09 20 14 29 =2005+403 21 31 23 74.3 268.2 1.4 74.3 80 F 1 1067 20 14 56 CYGA 21 31 50 72.7 270.6 1.5 75.1 18 1 13 1067 20 14 56 20 20 56 --- 21 37 51 71.6 271.5 1.6 75.0 360 F 1 5867 20 21 18 J2007+4029 21 38 13 73.0 269.5 1.5 74.3 13 1 13 5867 20 21 18 20 22 38 =2005+403 21 39 33 72.8 269.7 1.5 74.3 80 F 1 6933 20 23 00 CYGA 21 39 56 71.2 271.9 1.7 75.0 13 1 13 6933 20 23 00 20 29 00 --- 21 45 57 70.1 272.8 1.8 74.8 360 F 1 11733 20 29 22 J2007+4029 21 46 19 71.5 270.9 1.6 74.3 13 1 13 11733 20 29 22 20 30 42 =2005+403 21 47 39 71.3 271.1 1.7 74.3 80 F 1 12800 20 31 05 CYGA 21 48 02 69.8 273.1 1.8 74.8 13 1 13 12800 20 31 05 20 37 05 --- 21 54 03 68.7 273.9 1.9 74.6 360 F 1 17600 20 37 27 J2007+4029 21 54 25 70.0 272.1 1.8 74.2 13 1 14 17600 20 37 27 20 38 47 =2005+403 21 55 45 69.8 272.3 1.8 74.2 80 R 1 16533 20 39 09 CYGA 21 56 07 68.3 274.2 1.9 74.5 13 1 14 16533 20 39 09 20 45 09 --- 22 02 08 67.2 275.0 2.0 74.3 360 R 1 11733 20 45 31 J2007+4029 22 02 30 68.6 273.3 1.9 74.0 13 1 14 11733 20 45 31 20 46 51 =2005+403 22 03 51 68.3 273.5 1.9 74.0 80 R 1 10667 20 47 14 CYGA 22 04 13 66.8 275.3 2.1 74.2 13 1 14 10667 20 47 14 20 53 14 --- 22 10 14 65.7 276.1 2.2 73.9 360 R 1 5867 20 53 36 J2007+4029 22 10 36 67.1 274.5 2.0 73.7 13 1 14 5867 20 53 36 20 54 56 =2005+403 22 11 56 66.8 274.6 2.1 73.7 80 R 1 4800 20 55 18 CYGA 22 12 19 65.3 276.3 2.2 73.8 13 1 14 4800 20 55 18 21 01 18 --- 22 18 20 64.2 277.1 2.3 73.5 360 R 1 0 Schedule for VLBA_HN (Code Hn ) Page 8 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- ----------- Tape Change ------------ 21 01 40 J2007+4029 22 18 42 65.6 275.5 2.2 73.4 13 2 1 0 21 01 40 21 03 00 =2005+403 22 20 02 65.4 275.7 2.2 73.4 80 F 1 1067 21 03 22 CYGA 22 20 25 63.9 277.3 2.3 73.4 13 2 1 1067 21 03 22 21 09 02 --- 22 26 06 62.8 278.0 2.4 73.1 340 F 1 5600 21 09 24 J2007+4029 22 26 28 64.2 276.5 2.3 73.1 13 2 1 5600 21 09 24 21 10 44 =2005+403 22 27 48 64.0 276.7 2.3 73.0 80 F 1 6667 21 11 07 CYGA 22 28 10 62.5 278.3 2.5 73.0 13 2 1 6667 21 11 07 21 16 47 --- 22 33 51 61.4 278.9 2.6 72.7 340 F 1 11200 21 17 09 J2007+4029 22 34 13 62.8 277.5 2.4 72.7 13 2 1 11200 21 17 09 21 18 29 =2005+403 22 35 33 62.5 277.7 2.5 72.6 80 F 1 12267 21 18 51 CYGA 22 35 56 61.1 279.2 2.6 72.5 13 2 1 12267 21 18 51 21 24 31 --- 22 41 37 60.0 279.9 2.7 72.2 340 F 1 16800 21 24 53 J2007+4029 22 41 59 61.4 278.5 2.6 72.3 13 2 1 16800 21 24 53 21 25 53 =2005+403 22 42 59 61.2 278.6 2.6 72.2 60 F 1 17600 21 32 18 3C454.3 22 49 25 63.2 177.5 -0.1 -1.9 312 2 2 17600 21 32 18 21 37 18 --- 22 54 26 63.2 180.2 0.0 0.1 300 R 1 13600 21 40 52 J2007+4029 22 58 00 58.5 280.4 2.8 71.3 141 2 2 13600 21 40 52 21 42 22 =2005+403 22 59 31 58.2 280.5 2.9 71.2 90 R 1 12400 21 42 44 CYGA 22 59 53 56.7 281.9 3.0 71.0 13 2 2 12400 21 42 44 21 49 44 --- 23 06 54 55.5 282.7 3.1 70.5 420 R 1 6800 21 50 07 J2007+4029 23 07 17 56.8 281.4 3.0 70.7 14 2 2 6800 21 50 07 21 51 37 =2005+403 23 08 47 56.6 281.6 3.0 70.6 90 R 1 5600 21 52 01 CYGA 23 09 11 55.1 283.0 3.2 70.3 15 2 2 5600 21 52 01 21 59 01 --- 23 16 12 53.8 283.8 3.3 69.8 420 R 1 0 21 59 23 J2007+4029 23 16 34 55.2 282.5 3.1 70.1 13 2 3 0 21 59 23 22 00 43 =2005+403 23 17 54 54.9 282.6 3.2 70.0 80 F 1 1067 22 01 05 CYGA 23 18 17 53.5 284.0 3.3 69.7 13 2 3 1067 22 01 05 22 07 05 --- 23 24 18 52.4 284.7 3.4 69.2 360 F 1 5867 Schedule for VLBA_HN (Code Hn ) Page 9 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- 22 07 27 J2007+4029 23 24 40 53.7 283.4 3.3 69.5 13 2 3 5867 22 07 27 22 08 47 =2005+403 23 26 00 53.5 283.6 3.3 69.4 80 F 1 6933 22 09 09 CYGA 23 26 22 52.0 284.9 3.4 69.1 13 2 3 6933 22 09 09 22 15 09 --- 23 32 23 51.0 285.5 3.5 68.6 360 F 1 11733 22 15 31 J2007+4029 23 32 45 52.3 284.3 3.4 68.9 13 2 3 11733 22 15 31 22 16 51 =2005+403 23 34 05 52.0 284.5 3.4 68.8 80 F 1 12800 22 17 13 CYGA 23 34 27 50.6 285.8 3.6 68.4 13 2 3 12800 22 17 13 22 23 13 --- 23 40 28 49.5 286.4 3.7 68.0 360 F 1 17600 22 23 35 J2007+4029 23 40 50 50.8 285.2 3.6 68.3 13 2 4 17600 22 23 35 22 24 55 =2005+403 23 42 10 50.6 285.4 3.6 68.2 80 R 1 16533 22 25 17 CYGA 23 42 33 49.2 286.7 3.7 67.8 13 2 4 16533 22 25 17 22 31 17 --- 23 48 34 48.1 287.3 3.8 67.3 360 R 1 11733 22 31 39 J2007+4029 23 48 55 49.4 286.1 3.7 67.7 13 2 4 11733 22 31 39 22 32 59 =2005+403 23 50 16 49.2 286.3 3.7 67.6 80 R 1 10667 22 33 21 CYGA 23 50 38 47.8 287.5 3.9 67.1 13 2 4 10667 22 33 21 22 39 21 --- 23 56 39 46.7 288.2 4.0 66.6 360 R 1 5867 22 39 43 J2007+4029 23 57 01 48.0 287.0 3.8 67.0 13 2 4 5867 22 39 43 22 41 03 =2005+403 23 58 21 47.8 287.2 3.8 66.9 80 R 1 4800 22 41 25 CYGA 23 58 43 46.4 288.4 4.0 66.5 13 2 4 4800 22 41 25 22 47 25 --- 00 04 44 45.3 289.1 4.1 65.9 360 R 1 0 22 47 46 J2007+4029 00 05 06 46.6 287.9 4.0 66.4 13 2 5 0 22 47 46 22 49 06 =2005+403 00 06 26 46.4 288.1 4.0 66.3 80 F 1 1067 22 49 28 CYGA 00 06 48 45.0 289.3 4.1 65.8 13 2 5 1067 22 49 28 22 55 28 --- 00 12 49 43.9 290.0 4.2 65.3 360 F 1 5867 22 55 50 J2007+4029 00 13 11 45.2 288.8 4.1 65.7 13 2 5 5867 22 55 50 22 57 10 =2005+403 00 14 31 45.0 289.0 4.1 65.6 80 F 1 6933 22 57 32 CYGA 00 14 53 43.6 290.2 4.3 65.1 13 2 5 6933 22 57 32 23 03 32 --- 00 20 54 42.5 290.9 4.4 64.5 360 F 1 11733 Schedule for VLBA_HN (Code Hn ) Page 10 Search for excited OH in Cygnus A 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 22 Dec 2002 Day 356 --- 23 03 54 J2007+4029 00 21 16 43.8 289.7 4.2 65.0 13 2 5 11733 23 03 54 23 05 14 =2005+403 00 22 36 43.6 289.8 4.2 64.9 80 F 1 12800 23 05 36 CYGA 00 22 58 42.2 291.1 4.4 64.4 13 2 5 12800 23 05 36 23 11 36 --- 00 28 59 41.2 291.8 4.5 63.8 360 F 1 17600 23 11 57 J2007+4029 00 29 21 42.4 290.6 4.4 64.3 13 2 6 17600 23 11 57 23 13 17 =2005+403 00 30 41 42.2 290.7 4.4 64.2 80 R 1 16533 23 13 39 CYGA 00 31 03 40.8 292.0 4.5 63.6 13 2 6 16533 23 13 39 23 19 19 --- 00 36 44 39.8 292.6 4.6 63.1 340 R 1 12000 23 19 41 J2007+4029 00 37 05 41.1 291.5 4.5 63.7 13 2 6 12000 23 19 41 23 21 01 =2005+403 00 38 26 40.9 291.6 4.5 63.5 80 R 1 10933 23 21 23 CYGA 00 38 48 39.5 292.9 4.7 62.9 13 2 6 10933 23 21 23 23 27 03 --- 00 44 29 38.5 293.5 4.7 62.4 340 R 1 6400 23 27 24 J2007+4029 00 44 50 39.8 292.3 4.6 63.0 13 2 6 6400 23 27 24 23 28 44 =2005+403 00 46 10 39.5 292.5 4.6 62.8 80 R 1 5333 23 29 06 CYGA 00 46 32 38.2 293.7 4.8 62.2 13 2 6 5333 23 29 06 23 34 46 --- 00 52 13 37.2 294.4 4.9 61.7 340 R 1 800 23 35 08 J2007+4029 00 52 35 38.5 293.2 4.7 62.3 13 2 6 800 23 35 08 23 36 08 =2005+403 00 53 35 38.3 293.3 4.8 62.2 60 R 1 0 23 38 53 3C454.3 00 56 21 52.7 233.6 2.0 37.9 119 2 7 0 23 38 53 23 43 53 --- 01 01 21 51.9 235.2 2.1 38.7 300 F 1 4000 23 45 52 J2007+4029 01 03 21 36.7 294.4 4.9 61.2 73 2 7 4000 23 45 52 23 47 22 =2005+403 01 04 51 36.4 294.6 5.0 61.1 90 F 1 5200 23 47 44 CYGA 01 05 13 35.1 295.8 5.1 60.4 13 2 7 5200 23 47 44 23 54 44 --- 01 12 14 33.9 296.6 5.2 59.7 420 F 1 10800 23 55 05 J2007+4029 01 12 35 35.1 295.5 5.1 60.4 13 2 7 10800 23 55 05 23 56 35 =2005+403 01 14 06 34.9 295.7 5.1 60.2 90 F 1 12000 --- Start: Sun 22 Dec 2002 Day 356 -- Stop: Mon 23 Dec 2002 Day 357 --- 23 56 57 CYGA 01 14 27 33.6 296.9 5.2 59.5 13 2 7 12000 23 56 57 00 03 57 --- 01 21 29 32.4 297.7 5.4 58.8 420 F 1 17600 Schedule for VLBA_HN (Code Hn ) Page 11 Search for excited OH in Cygnus A 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 23 Dec 2002 Day 357 --- 00 04 18 J2007+4029 01 21 50 33.6 296.6 5.2 59.5 13 2 8 17600 00 04 18 00 05 38 =2005+403 01 23 10 33.4 296.7 5.3 59.3 80 R 1 16533 00 06 00 CYGA 01 23 32 32.1 298.0 5.4 58.6 13 2 8 16533 00 06 00 00 12 00 --- 01 29 33 31.1 298.7 5.5 58.0 360 R 1 11733 00 12 21 J2007+4029 01 29 54 32.3 297.5 5.4 58.7 13 2 8 11733 00 12 21 00 13 41 =2005+403 01 31 14 32.1 297.6 5.4 58.5 80 R 1 10667 00 14 03 CYGA 01 31 36 30.8 298.9 5.5 57.8 13 2 8 10667 00 14 03 00 20 03 --- 01 37 37 29.8 299.6 5.6 57.2 360 R 1 5867 00 20 24 J2007+4029 01 37 58 31.0 298.4 5.5 57.9 13 2 8 5867 00 20 24 00 21 44 =2005+403 01 39 19 30.8 298.6 5.5 57.7 80 R 1 4800 00 22 06 CYGA 01 39 40 29.5 299.9 5.7 56.9 13 2 8 4800 00 22 06 00 28 06 --- 01 45 41 28.6 300.6 5.8 56.3 360 R 1 0 00 28 27 J2007+4029 01 46 03 29.7 299.4 5.6 57.0 13 2 9 0 00 28 27 00 29 47 =2005+403 01 47 23 29.5 299.6 5.7 56.9 80 F 1 1067 00 30 08 CYGA 01 47 44 28.2 300.8 5.8 56.1 13 2 9 1067 00 30 08 00 36 08 --- 01 53 45 27.3 301.5 5.9 55.4 360 F 1 5867 00 36 29 J2007+4029 01 54 07 28.4 300.4 5.8 56.2 13 2 9 5867 00 36 29 00 37 49 =2005+403 01 55 27 28.2 300.5 5.8 56.0 80 F 1 6933 00 38 11 CYGA 01 55 48 27.0 301.8 5.9 55.2 13 2 9 6933 00 38 11 00 44 11 --- 02 01 49 26.0 302.5 6.0 54.6 360 F 1 11733 00 44 32 J2007+4029 02 02 11 27.1 301.3 5.9 55.3 13 2 9 11733 00 44 32 00 45 52 =2005+403 02 03 31 26.9 301.5 5.9 55.2 80 F 1 12800 00 46 14 CYGA 02 03 52 25.7 302.8 6.1 54.3 13 2 9 12800 00 46 14 00 52 14 --- 02 09 53 24.8 303.5 6.2 53.7 360 F 1 17600 00 52 35 J2007+4029 02 10 14 25.9 302.3 6.0 54.5 13 2 10 17600 00 52 35 00 53 55 =2005+403 02 11 35 25.7 302.5 6.1 54.3 80 R 1 16533 00 54 16 CYGA 02 11 56 24.5 303.8 6.2 53.5 13 2 10 16533 00 54 16 01 00 16 --- 02 17 57 23.6 304.5 6.3 52.8 360 R 1 11733 Schedule for VLBA_HN (Code Hn ) Page 12 Search for excited OH in Cygnus A 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 23 Dec 2002 Day 357 --- 01 00 37 J2007+4029 02 18 18 24.6 303.3 6.2 53.6 13 2 10 11733 01 00 37 01 01 57 =2005+403 02 19 38 24.4 303.5 6.2 53.4 80 R 1 10667 01 02 18 CYGA 02 20 00 23.3 304.8 6.3 52.5 13 2 10 10667 01 02 18 01 08 18 --- 02 26 01 22.4 305.5 6.4 51.9 360 R 1 5867 01 08 39 J2007+4029 02 26 22 23.4 304.3 6.3 52.7 13 2 10 5867 01 08 39 01 09 59 =2005+403 02 27 42 23.2 304.5 6.3 52.5 80 R 1 4800 01 10 21 CYGA 02 28 03 22.1 305.8 6.5 51.6 13 2 10 4800 01 10 21 01 16 21 --- 02 34 04 21.2 306.6 6.6 50.9 360 R 1 0 01 16 42 J2007+4029 02 34 25 22.2 305.3 6.4 51.8 13 2 11 0 01 16 42 01 18 02 =2005+403 02 35 46 22.0 305.5 6.5 51.6 80 F 1 1067 01 18 23 CYGA 02 36 07 20.9 306.8 6.6 50.7 13 2 11 1067 01 18 23 01 24 03 --- 02 41 48 20.1 307.5 6.7 50.0 340 F 1 5600 01 24 24 J2007+4029 02 42 09 21.1 306.3 6.6 50.9 13 2 11 5600 01 24 24 01 25 44 =2005+403 02 43 29 20.9 306.5 6.6 50.7 80 F 1 6667 01 26 05 CYGA 02 43 50 19.8 307.8 6.7 49.8 13 2 11 6667 01 26 05 01 31 45 --- 02 49 31 18.9 308.6 6.8 49.1 340 F 1 11200 01 32 06 J2007+4029 02 49 52 19.9 307.3 6.7 50.0 13 2 11 11200 01 32 06 01 33 26 =2005+403 02 51 12 19.7 307.5 6.7 49.8 80 F 1 12267 01 33 47 CYGA 02 51 33 18.6 308.8 6.9 48.8 13 2 11 12267 01 33 47 01 39 27 --- 02 57 14 17.8 309.6 7.0 48.1 340 F 1 16800 01 39 48 J2007+4029 02 57 35 18.8 308.3 6.8 49.1 13 2 11 16800 01 39 48 01 40 48 =2005+403 02 58 35 18.7 308.5 6.8 48.9 60 F 1 17600 01 42 21 3C454.3 03 00 09 31.7 262.7 4.1 49.1 57 2 12 17600 01 42 21 01 47 21 --- 03 05 09 30.8 263.6 4.2 49.2 300 R 1 13600 01 48 56 J2007+4029 03 06 45 17.5 309.6 7.0 47.9 59 2 12 13600 01 48 56 01 50 26 =2005+403 03 08 15 17.3 309.8 7.0 47.8 90 R 1 12400 01 50 47 CYGA 03 08 36 16.3 311.1 7.2 46.7 13 2 12 12400 01 50 47 01 57 47 --- 03 15 37 15.3 312.0 7.3 45.9 420 R 1 6800 Schedule for VLBA_HN (Code Hn ) Page 13 Search for excited OH in Cygnus A 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 23 Dec 2002 Day 357 --- 01 58 07 J2007+4029 03 15 58 16.2 310.8 7.1 46.8 13 2 12 6800 01 58 07 01 59 37 =2005+403 03 17 28 16.0 311.0 7.2 46.6 90 R 1 5600 01 59 58 CYGA 03 17 49 15.0 312.3 7.3 45.6 13 2 12 5600 01 59 58 02 06 58 --- 03 24 50 14.1 313.3 7.4 44.7 420 R 1 0 02 07 19 J2007+4029 03 25 11 15.0 312.0 7.3 45.6 13 2 13 0 02 07 19 02 08 39 =2005+403 03 26 31 14.8 312.2 7.3 45.5 80 F 1 1067 02 09 00 CYGA 03 26 52 13.8 313.6 7.5 44.4 13 2 13 1067 02 09 00 02 15 00 --- 03 32 53 13.0 314.4 7.6 43.6 360 F 1 5867 02 15 20 J2007+4029 03 33 14 13.9 313.2 7.4 44.6 13 2 13 5867 02 15 20 02 16 40 =2005+403 03 34 34 13.7 313.3 7.4 44.4 80 F 1 6933 02 17 01 CYGA 03 34 55 12.7 314.7 7.6 43.4 13 2 13 6933 02 17 01 02 23 01 --- 03 40 56 12.0 315.6 7.7 42.6 360 F 1 11733 02 23 21 J2007+4029 03 41 16 12.8 314.3 7.6 43.6 13 2 13 11733 02 23 21 02 24 41 =2005+403 03 42 36 12.6 314.5 7.6 43.4 80 F 1 12800 02 25 02 CYGA 03 42 57 11.7 315.9 7.7 42.3 13 2 13 12800 02 25 02 02 31 02 --- 03 48 58 10.9 316.7 7.8 41.5 360 F 1 17600 02 31 22 J2007+4029 03 49 18 11.8 315.4 7.7 42.5 13 2 14 17600 02 31 22 02 32 42 =2005+403 03 50 39 11.6 315.6 7.7 42.3 80 R 1 16533 02 33 03 CYGA 03 50 59 10.7 317.0 7.9 41.2 13 2 14 16533 02 33 03 02 38 43 --- 03 56 40 10.0 317.9 8.0 40.4 340 R 1 12000 02 39 03 J2007+4029 03 57 00 10.8 316.5 7.8 41.5 13 2 14 12000 02 39 03 02 40 23 =2005+403 03 58 21 10.6 316.7 7.8 41.3 80 R 1 10933 02 40 44 CYGA 03 58 41 9.7 318.2 8.0 40.1 13 2 14 10933 02 40 44 02 46 24 --- 04 04 22 9.0 319.0 8.1 39.4 340 R 1 6400 02 46 44 J2007+4029 04 04 42 9.8 317.7 7.9 40.4 13 2 14 6400 02 46 44 02 48 04 =2005+403 04 06 03 9.7 317.9 8.0 40.2 80 R 1 5333 02 48 24 CYGA 04 06 23 8.8 319.3 8.1 39.1 13 2 14 5333 02 48 24 02 54 04 --- 04 12 04 8.1 320.1 8.2 38.3 340 R 1 800 Schedule for VLBA_HN (Code Hn ) Page 14 Search for excited OH in Cygnus A 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 23 Dec 2002 Day 357 --- 02 54 24 J2007+4029 04 12 24 8.9 318.8 8.1 39.4 13 2 14 800 02 54 24 02 55 24 =2005+403 04 13 24 8.8 319.0 8.1 39.2 60 R 1 0 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bp102.set Matches group v2cm_a4 in freq.ymp First 2cm filter Setup group: 1 Station: VLBA Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 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= 11900.00 11900.00 11900.00 11900.00 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= 11.9 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= 12701.16 12701.16 12713.66 12713.66 BBC fr= 801.16 801.16 813.66 813.66 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 OFF OFF OFF OFF PCALXB2= M1 M2 M3 M4 OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_auto SOURCE LIST -- Search for excited OH in Cygnus A 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) * CYGA 19 57 44.440998 * 19 59 28.356676 19 59 32.206178 40 35 46.36276 * 40 44 02.09658 40 44 32.69550 From catalog imbedded in main SCHED input file. J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 02.555553 1641+399 39 54 10.81489 * 39 48 36.99395 39 48 11.98992 * 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report * J2007+4029 20 05 59.558900 * 20 07 44.944851 20 07 48.907269 2005+403 40 21 01.80229 * 40 29 48.60414 40 30 21.30204 J2007+40 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 05.165389 2251+158 15 52 54.34806 * 16 08 53.56089 16 09 49.36498 * 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba J2253+16 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) CYGA 69.6 3C345 66.0 J2007+4029 70.2 3C454.3 81.2 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