COVER INFORMATION Station: VLBA_FD (Code Fd ) Experiment: Global 7mm VLBI observations of Cygnus A Exp. Code: gb075b Schedule Version: 1.00 Processed by SCHED version: 11.30 Version 11.3 update 1. April 14, 2014 PI: Biagina Boccardi Address: Max Planck Institute for Radioastronomy Auf dem Huegel 69 Bonn, 53121 Germany Phone: +49 (0)228 525 366 EMAIL: bboccardi@mpifr-bonn.mpg.de Fax: +49-2257-301-106 Phone during observation: +49-2257-301-155 Observing mode: 1024-32-2 Notes: COVER LETTER: Schedule for VLBA_FD (Code Fd ) Page 2 Global 7mm VLBI observations of Cygnus A UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 19 Oct 2014 Day 292 --- Next scan frequencies: 43114.25 43114.25 43146.25 43146.25 43178.25 43178.25 43210.25 43210.25 Next BBC frequencies: 714.25 714.25 746.25 746.25 778.25 778.25 810.25 810.25 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 18 05 00 CYG-A 13 01 46 9.7 48.0 -7.0 -57.7 0 0 18 05 00 18 20 00 --- 13 16 48 12.2 49.5 -6.7 -59.8 900 116 18 05 01 18 21 00 CYG-A 13 17 48 12.3 49.6 -6.7 -60.0 54 116 18 21 00 18 26 00 --- 13 22 49 13.2 50.1 -6.6 -60.7 300 155 18 21 01 18 28 00 2013+370 13 24 49 9.0 51.8 -6.9 -58.2 103 155 18 28 00 18 31 00 --- 13 27 50 9.5 52.1 -6.8 -58.6 180 178 18 28 01 18 34 00 CYG-A 13 30 50 14.5 50.9 -6.5 -61.8 163 178 18 34 00 18 49 00 --- 13 45 53 17.0 52.2 -6.2 -63.9 900 294 18 34 01 18 50 00 CYG-A 13 46 53 17.2 52.3 -6.2 -64.1 54 294 18 50 00 18 55 00 --- 13 51 54 18.0 52.7 -6.1 -64.7 300 332 18 50 01 18 56 00 2013+370 13 52 54 13.8 54.7 -6.4 -61.8 43 332 18 56 00 18 59 00 --- 13 55 54 14.4 55.0 -6.3 -62.2 180 356 18 56 01 19 01 00 CYG-A 13 57 55 19.1 53.2 -6.0 -65.6 103 356 19 01 00 19 16 00 --- 14 12 57 21.7 54.5 -5.8 -67.6 900 471 19 01 01 19 22 00 CYG-A 14 18 58 22.8 54.9 -5.7 -68.4 354 471 19 22 00 19 28 00 --- 14 24 59 23.8 55.4 -5.6 -69.2 360 518 19 22 01 19 30 00 CYG-A 14 26 59 24.2 55.5 -5.6 -69.5 114 518 19 30 00 19 35 00 --- 14 32 00 25.1 55.9 -5.5 -70.2 300 556 19 30 01 19 37 00 2013+370 14 34 01 21.2 58.4 -5.7 -67.0 104 556 19 37 00 19 40 00 --- 14 37 01 21.8 58.6 -5.7 -67.3 180 580 19 37 01 19 42 00 CYG-A 14 39 01 26.3 56.4 -5.3 -71.1 104 580 19 42 00 19 57 00 --- 14 54 04 29.0 57.3 -5.1 -73.1 900 696 19 42 01 19 59 00 2013+370 14 56 04 25.3 60.1 -5.3 -69.6 104 696 19 59 00 20 02 00 --- 14 59 05 25.9 60.4 -5.3 -70.0 180 719 19 59 01 20 11 00 BLLAC 15 08 06 11.0 47.0 -6.9 -58.4 500 719 20 11 00 20 14 00 --- 15 11 07 11.5 47.3 -6.9 -58.8 180 742 20 11 01 20 23 00 2013+370 15 20 08 29.8 61.9 -4.9 -72.4 499 742 20 23 00 20 26 00 --- 15 23 09 30.4 62.1 -4.9 -72.8 180 765 20 23 01 Schedule for VLBA_FD (Code Fd ) Page 3 Global 7mm VLBI observations of Cygnus A UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 19 Oct 2014 Day 292 --- 20 27 00 CYG-A 15 24 09 34.5 59.1 -4.6 -77.1 44 765 20 27 00 20 42 00 --- 15 39 11 37.3 59.8 -4.3 -79.1 900 881 20 27 01 20 43 00 CYG-A 15 40 11 37.5 59.8 -4.3 -79.3 54 881 20 43 00 20 46 00 --- 15 43 12 38.1 60.0 -4.3 -79.7 180 904 20 43 01 20 47 00 2013+370 15 44 12 34.4 63.5 -4.5 -75.2 45 904 20 47 00 20 50 00 --- 15 47 13 35.0 63.7 -4.5 -75.6 180 927 20 47 01 20 51 00 CYG-A 15 48 13 39.0 60.2 -4.2 -80.4 44 927 20 51 00 21 06 00 --- 16 03 15 41.8 60.7 -3.9 -82.5 900 1043 20 51 01 21 08 00 CYG-A 16 05 16 42.2 60.8 -3.9 -82.7 114 1043 21 08 00 21 13 00 --- 16 10 16 43.1 61.0 -3.8 -83.4 300 1082 21 08 01 21 15 00 2013+370 16 12 17 39.9 65.1 -4.1 -78.5 105 1082 21 15 00 21 18 00 --- 16 15 17 40.5 65.2 -4.0 -78.9 180 1105 21 15 01 21 19 00 CYG-A 16 16 17 44.3 61.1 -3.7 -84.3 45 1105 21 19 00 21 34 00 --- 16 31 20 47.1 61.5 -3.5 -86.5 900 1221 21 19 01 21 35 00 CYG-A 16 32 20 47.3 61.5 -3.5 -86.7 54 1221 21 35 00 21 39 00 --- 16 36 21 48.0 61.5 -3.4 -87.3 240 1252 21 35 01 21 40 00 CYG-A 16 37 21 48.2 61.5 -3.4 -87.5 54 1252 21 40 00 21 46 00 --- 16 43 22 49.4 61.6 -3.3 -88.4 360 1298 21 40 01 21 47 00 2013+370 16 44 22 46.2 66.5 -3.5 -82.4 45 1298 21 47 00 21 50 00 --- 16 47 22 46.8 66.6 -3.5 -82.8 180 1322 21 47 01 21 51 00 CYG-A 16 48 23 50.3 61.6 -3.2 -89.2 45 1322 21 51 00 22 06 00 --- 17 03 25 53.2 61.6 -2.9 -91.7 900 1438 21 51 01 22 07 00 CYG-A 17 04 25 53.4 61.6 -2.9 -91.8 54 1438 22 07 00 22 12 00 --- 17 09 26 54.3 61.5 -2.8 -92.7 300 1476 22 07 01 22 14 00 CYG-A 17 11 26 54.7 61.5 -2.8 -93.1 114 1476 22 14 00 22 18 00 --- 17 15 27 55.4 61.4 -2.7 -93.8 240 1507 22 14 01 22 21 00 BLLAC 17 18 28 33.2 56.8 -4.7 -76.9 127 1507 22 21 00 22 24 00 --- 17 21 28 33.8 56.9 -4.7 -77.3 180 1530 22 21 01 22 33 00 2013+370 17 30 30 55.3 67.7 -2.8 -88.5 493 1530 22 33 00 22 36 00 --- 17 33 30 55.9 67.7 -2.7 -88.9 180 1554 22 33 01 Schedule for VLBA_FD (Code Fd ) Page 4 Global 7mm VLBI observations of Cygnus A UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 19 Oct 2014 Day 292 --- 22 37 30 CYG-A 17 35 00 59.1 60.7 -2.4 -97.5 76 1554 22 37 30 22 52 30 --- 17 50 03 61.9 59.8 -2.2 -100.8 900 1669 22 37 31 22 54 00 CYG-A 17 51 33 62.2 59.7 -2.1 -101.2 84 1669 22 54 00 22 59 00 --- 17 56 34 63.1 59.3 -2.1 -102.3 300 1708 22 54 01 23 00 00 2013+370 17 57 34 60.7 67.6 -2.3 -92.7 46 1708 23 00 00 23 03 00 --- 18 00 34 61.3 67.5 -2.3 -93.2 180 1731 23 00 01 23 05 00 CYG-A 18 02 35 64.3 58.7 -2.0 -103.9 106 1731 23 05 00 23 20 00 --- 18 17 37 67.0 56.8 -1.7 -108.0 900 1847 23 05 01 23 21 00 CYG-A 18 18 37 67.2 56.6 -1.7 -108.3 54 1847 23 21 00 23 26 00 --- 18 23 38 68.1 55.8 -1.6 -109.9 300 1886 23 21 01 23 27 00 2013+370 18 24 38 66.1 66.5 -1.9 -97.7 45 1886 23 27 00 23 30 00 --- 18 27 39 66.7 66.3 -1.8 -98.4 180 1909 23 27 01 23 31 00 CYG-A 18 28 39 69.0 54.9 -1.5 -111.6 44 1909 23 31 00 23 46 00 --- 18 43 42 71.5 51.4 -1.3 -117.3 900 2025 23 31 01 23 47 00 CYG-A 18 44 42 71.7 51.1 -1.3 -117.8 54 2025 23 47 00 23 55 00 --- 18 52 43 73.0 48.7 -1.1 -121.4 480 2087 23 47 01 --- Mon 20 Oct 2014 Day 293 --- 00 00 00 CYG-A 18 57 44 73.8 46.9 -1.0 -124.0 294 2087 00 00 00 00 04 00 --- 19 01 44 74.5 45.3 -1.0 -126.2 240 2118 00 00 01 00 07 00 BLLAC 19 04 45 52.7 59.0 -3.0 -93.4 128 2118 00 07 00 00 10 00 --- 19 07 45 53.3 59.0 -2.9 -93.9 180 2141 00 07 01 00 23 00 2013+370 19 20 48 76.8 56.3 -0.9 -115.9 730 2141 00 23 00 00 26 00 --- 19 23 48 77.3 55.1 -0.9 -117.6 180 2164 00 23 01 00 28 00 CYG-A 19 25 48 77.7 31.9 -0.6 -143.0 96 2164 00 28 00 00 43 00 --- 19 40 51 79.1 19.6 -0.3 -157.6 900 2280 00 28 01 00 44 00 CYG-A 19 41 51 79.2 18.7 -0.3 -158.7 54 2280 00 44 00 00 50 00 --- 19 47 52 79.6 12.8 -0.2 -165.5 360 2326 00 44 01 00 51 00 2013+370 19 48 52 81.3 38.6 -0.5 -137.6 33 2326 00 51 00 00 54 00 --- 19 51 53 81.7 35.6 -0.4 -141.1 180 2350 00 51 01 Schedule for VLBA_FD (Code Fd ) Page 5 Global 7mm VLBI observations of Cygnus A UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 20 Oct 2014 Day 293 --- 00 55 00 CYG-A 19 52 53 79.8 7.6 -0.1 -171.4 33 2350 00 55 00 01 10 00 --- 20 07 55 79.7 -8.4 0.1 170.4 900 2466 00 55 01 01 11 00 CYG-A 20 08 55 79.7 -9.5 0.1 169.2 54 2466 01 11 00 01 16 00 --- 20 13 56 79.5 -14.6 0.2 163.4 300 2504 01 11 01 01 18 00 2013+370 20 15 57 83.4 0.2 -0.0 -179.8 99 2504 01 18 00 01 21 00 --- 20 18 57 83.4 -5.0 0.0 174.6 180 2527 01 18 01 01 23 00 CYG-A 20 20 57 79.0 -21.3 0.3 155.7 102 2527 01 23 00 01 38 00 --- 20 36 00 77.5 -33.2 0.6 141.5 900 2643 01 23 01 01 39 00 CYG-A 20 37 00 77.4 -33.9 0.6 140.7 54 2643 01 39 00 01 44 00 --- 20 42 01 76.8 -37.1 0.7 136.7 300 2682 01 39 01 01 46 00 2013+370 20 44 01 81.2 -39.4 0.5 136.7 103 2682 01 46 00 01 49 00 --- 20 47 02 80.8 -42.1 0.5 133.5 180 2705 01 46 01 01 51 00 CYG-A 20 49 02 75.8 -41.0 0.8 131.8 103 2705 01 51 00 02 06 00 --- 21 04 05 73.5 -47.5 1.1 123.0 900 2821 01 51 01 02 15 00 BLLAC 21 13 06 74.6 37.2 -0.8 -135.3 469 2821 02 15 00 02 18 00 --- 21 16 07 74.9 35.6 -0.8 -137.3 180 2844 02 15 01 02 27 00 2013+370 21 25 08 74.3 -60.6 1.2 109.7 465 2844 02 27 00 02 30 00 --- 21 28 08 73.7 -61.3 1.2 108.6 180 2868 02 27 01 02 31 00 CYG-A 21 29 09 69.3 -54.5 1.5 112.4 44 2868 02 31 00 02 46 00 --- 21 44 11 66.7 -57.1 1.7 107.5 900 2983 02 31 01 02 47 00 CYG-A 21 45 11 66.5 -57.2 1.8 107.2 54 2983 02 47 00 02 59 00 --- 21 57 13 64.3 -58.7 2.0 103.9 720 3076 02 47 01 03 07 00 2013+370 22 05 15 66.5 -66.3 1.8 98.2 465 3076 03 07 00 03 10 00 --- 22 08 15 65.9 -66.5 1.9 97.6 180 3099 03 07 01 03 11 00 CYG-A 22 09 15 62.1 -59.8 2.2 101.0 45 3099 03 11 00 03 26 00 --- 22 24 18 59.3 -60.7 2.4 97.7 900 3215 03 11 01 03 27 00 2013+370 22 25 18 62.5 -67.3 2.2 94.3 45 3215 03 27 00 03 30 00 --- 22 28 18 61.9 -67.4 2.2 93.7 180 3239 03 27 01 03 31 00 CYG-A 22 29 18 58.3 -60.9 2.5 96.7 45 3239 03 31 00 03 46 00 --- 22 44 21 55.5 -61.4 2.7 93.8 900 3354 03 31 01 Schedule for VLBA_FD (Code Fd ) Page 6 Global 7mm VLBI observations of Cygnus A UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 20 Oct 2014 Day 293 --- 03 47 00 CYG-A 22 45 21 55.3 -61.4 2.8 93.6 54 3354 03 47 00 03 52 00 --- 22 50 22 54.3 -61.5 2.8 92.7 300 3393 03 47 01 03 55 00 2013+370 22 53 22 56.9 -67.7 2.6 89.7 166 3393 03 55 00 03 58 00 --- 22 56 23 56.4 -67.7 2.7 89.2 180 3416 03 55 01 03 59 00 CYG-A 22 57 23 53.0 -61.6 3.0 91.5 46 3416 03 59 00 04 14 00 --- 23 12 26 50.2 -61.6 3.2 89.1 900 3532 03 59 01 04 15 00 CYG-A 23 13 26 50.0 -61.6 3.2 88.9 54 3532 04 15 00 04 23 00 --- 23 21 27 48.5 -61.6 3.4 87.6 480 3594 04 15 01 04 32 00 BLLAC 23 30 29 69.0 -50.0 1.5 116.9 489 3594 04 32 00 04 35 00 --- 23 33 29 68.5 -50.7 1.5 115.7 180 3617 04 32 01 04 44 00 2013+370 23 42 30 47.2 -66.7 3.4 83.0 493 3617 04 44 00 04 47 00 --- 23 45 31 46.6 -66.6 3.5 82.7 180 3640 04 44 01 04 48 00 CYG-A 23 46 31 43.7 -61.1 3.8 83.9 47 3640 04 48 00 05 03 00 --- 00 01 34 40.9 -60.6 4.0 81.8 900 3756 04 48 01 05 04 00 2013+370 00 02 34 43.2 -65.9 3.8 80.6 47 3756 05 04 00 05 07 00 --- 00 05 34 42.7 -65.8 3.8 80.2 180 3780 05 04 01 05 08 00 CYG-A 00 06 34 40.0 -60.4 4.1 81.1 47 3780 05 08 00 05 23 00 --- 00 21 37 37.2 -59.8 4.4 79.0 900 3895 05 08 01 05 24 00 CYG-A 00 22 37 37.0 -59.7 4.4 78.9 54 3895 05 24 00 05 28 00 --- 00 26 38 36.2 -59.5 4.4 78.3 240 3926 05 24 01 05 29 00 CYG-A 00 27 38 36.0 -59.5 4.5 78.2 54 3926 05 29 00 05 35 00 --- 00 33 39 34.9 -59.2 4.6 77.4 360 3973 05 29 01 05 36 00 2013+370 00 34 39 37.0 -64.3 4.3 76.8 48 3973 05 36 00 05 39 00 --- 00 37 40 36.4 -64.1 4.4 76.4 180 3996 05 36 01 05 40 00 CYG-A 00 38 40 34.0 -58.9 4.6 76.7 48 3996 05 40 00 05 55 00 --- 00 53 42 31.2 -58.1 4.9 74.7 900 4112 05 40 01 05 56 00 CYG-A 00 54 42 31.1 -58.0 4.9 74.6 54 4112 05 56 00 06 00 00 --- 00 58 43 30.3 -57.8 5.0 74.0 240 4143 05 56 01 06 02 00 CYG-A 01 00 43 30.0 -57.7 5.0 73.8 114 4143 06 02 00 06 07 00 --- 01 05 44 29.1 -57.4 5.1 73.1 300 4181 06 02 01 Schedule for VLBA_FD (Code Fd ) Page 7 Global 7mm VLBI observations of Cygnus A UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 20 Oct 2014 Day 293 --- 06 09 00 BLLAC 01 07 44 51.7 -59.1 3.1 92.4 67 4181 06 09 00 06 12 00 --- 01 10 45 51.1 -59.1 3.1 91.8 180 4205 06 09 01 06 21 00 2013+370 01 19 46 28.3 -61.3 5.1 71.5 490 4205 06 21 00 06 24 00 --- 01 22 47 27.8 -61.1 5.1 71.2 180 4228 06 21 01 06 25 00 CYG-A 01 23 47 25.8 -56.2 5.4 70.7 48 4228 06 25 00 06 40 00 --- 01 38 50 23.1 -55.1 5.6 68.7 900 4344 06 25 01 06 41 00 2013+370 01 39 50 24.6 -59.8 5.4 69.1 49 4344 06 41 00 06 44 00 --- 01 42 50 24.0 -59.6 5.4 68.8 180 4367 06 41 01 06 45 00 CYG-A 01 43 50 22.3 -54.7 5.7 68.0 49 4367 06 45 00 07 00 00 --- 01 58 53 19.6 -53.5 6.0 66.0 900 4483 06 45 01 07 01 00 CYG-A 01 59 53 19.5 -53.4 6.0 65.9 54 4483 07 01 00 07 11 00 --- 02 09 55 17.7 -52.6 6.2 64.5 600 4560 07 01 01 07 12 00 2013+370 02 10 55 18.9 -57.3 5.9 65.4 49 4560 07 12 00 07 15 00 --- 02 13 55 18.3 -57.0 6.0 65.0 180 4583 07 12 01 07 16 00 CYG-A 02 14 55 16.9 -52.2 6.2 63.8 49 4583 07 16 00 07 31 00 --- 02 29 58 14.4 -50.8 6.5 61.7 900 4699 07 16 01 07 32 00 2013+370 02 30 58 15.3 -55.4 6.2 62.9 49 4699 07 32 00 07 35 00 --- 02 33 59 14.8 -55.2 6.3 62.5 180 4723 07 32 01 07 36 00 CYG-A 02 34 59 13.5 -50.3 6.6 61.0 49 4723 07 36 00 07 51 00 --- 02 50 01 11.1 -48.9 6.8 58.9 900 4838 07 36 01 07 52 00 2013+370 02 51 01 11.8 -53.5 6.6 60.3 49 4838 07 52 00 07 55 00 --- 02 54 02 11.3 -53.2 6.6 59.9 180 4862 07 52 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: /home/bboccardi/SCHED/setups/sess314QG.setini Matching groups in /home/bboccardi/SCHED/catalogs/freq_RDBE.dat: v7mm_c8 Setup group: 6 Station: VLBA_FD Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U U U U U IF 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= 7mm omit 7mm omit VLBA Synth= 15.1 7.6 11.6 The following frequency sets based on these setups were used. See the crd files for VLBA legacy system setups and pcal detection details. Frequency Set: 9 Setup file default. Used with PCAL = 1MHz LO sum= 43114.25 43114.25 43146.25 43146.25 43178.25 43178.25 43210.25 43210.25 BBC fr= 714.25 714.25 746.25 746.25 778.25 778.25 810.25 810.25 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 754.25 754.25 786.25 786.25 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 9 10 11 12 13 14 15 16 17 19 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) J1959+4044 19 57 44.453094 * 19 59 28.368821 19 59 59.565661 167.68 * CYG-A 40 35 46.31273 * 40 44 02.04732 40 46 56.28727 120.15 CYGNUS-A /home/bboccardi/SCHED/catalogs/sources.vlba J1959+40 rfc_2012b Petrov, 2012, unpublished 3 observations 1957+405 1957+404 J2015+3710 20 13 37.014489 * 20 15 28.729775 20 16 02.361112 0.16 * 2013+370 37 01 44.45943 * 37 10 59.51531 37 14 10.46269 0.16 /home/bboccardi/SCHED/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 282 observations J2202+4216 22 00 39.362504 * 22 02 43.291371 22 03 21.587829 0.14 * BLLAC 42 02 08.59073 * 42 16 39.97987 42 21 20.82381 0.10 2200+420 /home/bboccardi/SCHED/catalogs/sources.vlba J2202+42 rfc_2012b Petrov, 2012, unpublished 59418 observations VR422201 SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline CYG-A tups/sess314QG.setini 1 2 3 4 5 6 9 18 14.458 883.767 2013+370 tups/sess314QG.setini 1 2 3 4 5 6 9 18 2.300 140.650 BLLAC tups/sess314QG.setini 1 2 3 4 5 6 9 18 0.500 32.550 EFFECT OF SOLAR CORONA 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) CYG-A 100.7 2013+370 103.6 BLLAC 123.4 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