COVER INFORMATION Station: VLBA_HN (Code Hn ) 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_HN (Code Hn ) 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 17 00 00 BLLAC 14 04 25 11.0 40.8 -8.0 -40.4 0 0 17 00 00 17 03 00 --- 14 07 25 11.3 41.2 -7.9 -40.8 180 23 17 00 01 17 10 00 2013+370 14 14 26 24.1 60.7 -6.0 -53.3 386 23 17 10 00 17 13 00 --- 14 17 27 24.6 61.1 -6.0 -53.6 180 46 17 10 01 17 14 00 CYG-A 14 18 27 29.3 59.9 -5.7 -56.8 42 46 17 14 00 17 29 00 --- 14 33 30 31.7 61.7 -5.4 -58.4 900 162 17 14 01 17 30 00 CYG-A 14 34 30 31.9 61.8 -5.4 -58.5 54 162 17 30 00 17 33 00 --- 14 37 30 32.4 62.2 -5.4 -58.8 180 185 17 30 01 17 34 00 2013+370 14 38 30 28.0 63.8 -5.6 -55.6 42 185 17 34 00 17 37 00 --- 14 41 31 28.5 64.2 -5.6 -55.9 180 209 17 34 01 17 38 30 CYG-A 14 43 01 33.3 62.8 -5.3 -59.3 72 209 17 38 30 17 53 30 --- 14 58 04 35.7 64.5 -5.0 -60.8 900 325 17 38 31 17 54 00 CYG-A 14 58 34 35.8 64.6 -5.0 -60.9 24 325 17 54 00 17 58 30 --- 15 03 04 36.6 65.1 -4.9 -61.3 270 359 17 54 01 18 00 00 2013+370 15 04 35 32.3 67.1 -5.2 -57.9 72 359 18 00 00 18 03 00 --- 15 07 35 32.8 67.5 -5.1 -58.1 180 383 18 00 01 18 05 00 CYG-A 15 09 35 37.6 65.8 -4.8 -61.9 102 383 18 05 00 18 20 00 --- 15 24 38 40.2 67.5 -4.6 -63.3 900 499 18 05 01 18 21 00 CYG-A 15 25 38 40.3 67.6 -4.6 -63.4 54 499 18 21 00 18 26 00 --- 15 30 39 41.2 68.2 -4.5 -63.9 300 537 18 21 01 18 28 00 2013+370 15 32 39 37.1 70.6 -4.7 -60.1 102 537 18 28 00 18 31 00 --- 15 35 40 37.6 71.0 -4.7 -60.4 180 560 18 28 01 18 34 00 CYG-A 15 38 40 42.6 69.1 -4.4 -64.6 162 560 18 34 00 18 49 00 --- 15 53 43 45.1 70.7 -4.1 -65.9 900 676 18 34 01 18 50 00 CYG-A 15 54 43 45.3 70.8 -4.1 -66.0 54 676 18 50 00 18 55 00 --- 15 59 44 46.2 71.4 -4.0 -66.4 300 715 18 50 01 18 56 00 2013+370 16 00 44 42.0 74.1 -4.3 -62.2 43 715 18 56 00 18 59 00 --- 16 03 44 42.5 74.5 -4.2 -62.4 180 738 18 56 01 Schedule for VLBA_HN (Code Hn ) 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 --- 19 01 00 CYG-A 16 05 45 47.2 72.1 -3.9 -66.9 102 738 19 01 00 19 16 00 --- 16 20 47 49.9 73.7 -3.7 -68.1 900 854 19 01 01 19 22 00 CYG-A 16 26 48 50.9 74.4 -3.6 -68.6 354 854 19 22 00 19 28 00 --- 16 32 49 52.0 75.0 -3.5 -69.1 360 900 19 22 01 19 30 00 CYG-A 16 34 49 52.3 75.2 -3.4 -69.2 114 900 19 30 00 19 35 00 --- 16 39 50 53.2 75.8 -3.3 -69.6 300 939 19 30 01 19 37 00 2013+370 16 41 51 49.3 79.3 -3.6 -64.6 103 939 19 37 00 19 40 00 --- 16 44 51 49.9 79.7 -3.5 -64.8 180 962 19 37 01 19 42 00 CYG-A 16 46 51 54.5 76.6 -3.2 -70.1 103 962 19 42 00 19 57 00 --- 17 01 54 57.2 78.2 -3.0 -71.2 900 1078 19 42 01 19 59 00 2013+370 17 03 54 53.3 82.3 -3.2 -65.7 103 1078 19 59 00 20 02 00 --- 17 06 55 53.9 82.7 -3.2 -65.8 180 1101 19 59 01 20 11 00 BLLAC 17 15 56 38.9 64.4 -4.8 -63.3 495 1101 20 11 00 20 14 00 --- 17 18 57 39.4 64.7 -4.7 -63.6 180 1125 20 11 01 20 23 00 2013+370 17 27 58 57.7 85.7 -2.8 -66.5 494 1125 20 23 00 20 26 00 --- 17 30 59 58.2 86.1 -2.8 -66.6 180 1148 20 23 01 20 27 00 CYG-A 17 31 59 62.6 81.7 -2.5 -73.1 43 1148 20 27 00 20 42 00 --- 17 47 01 65.3 83.6 -2.2 -73.9 900 1264 20 27 01 20 43 00 CYG-A 17 48 01 65.5 83.7 -2.2 -74.0 54 1264 20 43 00 20 46 00 --- 17 51 02 66.0 84.1 -2.1 -74.1 180 1287 20 43 01 20 47 00 2013+370 17 52 02 62.1 89.5 -2.4 -66.9 43 1287 20 47 00 20 50 00 --- 17 55 03 62.6 90.0 -2.3 -66.9 180 1310 20 47 01 20 51 00 CYG-A 17 56 03 67.0 84.7 -2.1 -74.3 43 1310 20 51 00 21 06 00 --- 18 11 05 69.7 86.8 -1.8 -74.9 900 1426 20 51 01 21 08 00 CYG-A 18 13 06 70.1 87.0 -1.8 -74.9 114 1426 21 08 00 21 13 00 --- 18 18 06 71.0 87.8 -1.7 -75.1 300 1465 21 08 01 21 15 00 2013+370 18 20 07 67.2 94.6 -1.9 -66.4 103 1465 21 15 00 21 18 00 --- 18 23 07 67.8 95.3 -1.9 -66.3 180 1488 21 15 01 21 19 00 CYG-A 18 24 07 72.1 88.7 -1.6 -75.2 43 1488 21 19 00 21 34 00 --- 18 39 10 74.8 91.3 -1.3 -75.2 900 1604 21 19 01 Schedule for VLBA_HN (Code Hn ) 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 --- 21 35 00 CYG-A 18 40 10 75.0 91.5 -1.3 -75.2 54 1604 21 35 00 21 39 00 --- 18 44 11 75.8 92.2 -1.3 -75.1 240 1635 21 35 01 21 40 00 CYG-A 18 45 11 75.9 92.4 -1.2 -75.0 54 1635 21 40 00 21 46 00 --- 18 51 12 77.0 93.7 -1.1 -74.8 360 1681 21 40 01 21 47 00 2013+370 18 52 12 73.0 102.5 -1.4 -63.8 43 1681 21 47 00 21 50 00 --- 18 55 12 73.6 103.5 -1.3 -63.4 180 1704 21 47 01 21 51 00 CYG-A 18 56 13 77.9 94.9 -1.1 -74.5 43 1704 21 51 00 22 06 00 --- 19 11 15 80.7 99.2 -0.8 -72.6 900 1820 21 51 01 22 07 00 CYG-A 19 12 15 80.9 99.6 -0.8 -72.5 54 1820 22 07 00 22 12 00 --- 19 17 16 81.8 101.5 -0.7 -71.3 300 1859 22 07 01 22 14 00 CYG-A 19 19 16 82.1 102.4 -0.7 -70.8 114 1859 22 14 00 22 18 00 --- 19 23 17 82.8 104.4 -0.6 -69.5 240 1890 22 14 01 22 21 00 BLLAC 19 26 18 61.4 77.5 -2.6 -75.3 123 1890 22 21 00 22 24 00 --- 19 29 18 61.9 77.8 -2.6 -75.6 180 1913 22 21 01 22 33 00 2013+370 19 38 20 80.8 125.2 -0.6 -48.7 493 1913 22 33 00 22 36 00 --- 19 41 20 81.3 127.8 -0.6 -46.6 180 1936 22 33 01 22 37 30 CYG-A 19 42 50 86.1 122.5 -0.3 -54.6 72 1936 22 37 30 22 52 30 --- 19 57 53 87.8 169.5 -0.0 -10.2 900 2052 22 37 31 22 54 00 CYG-A 19 59 23 87.8 176.9 -0.0 -3.0 82 2052 22 54 00 22 59 00 --- 20 04 24 87.7 201.2 0.1 20.5 300 2091 22 54 01 23 00 00 2013+370 20 05 24 84.0 159.5 -0.2 -18.8 21 2091 23 00 00 23 03 00 --- 20 08 24 84.1 165.0 -0.1 -13.8 180 2114 23 00 01 23 05 00 CYG-A 20 10 25 87.1 222.9 0.2 41.2 72 2114 23 05 00 23 20 00 --- 20 25 27 84.8 247.7 0.4 63.5 900 2230 23 05 01 23 21 00 CYG-A 20 26 27 84.6 248.6 0.4 64.2 54 2230 23 21 00 23 26 00 --- 20 31 28 83.8 252.5 0.5 67.2 300 2269 23 21 01 23 27 00 2013+370 20 32 28 83.5 210.2 0.3 27.6 20 2269 23 27 00 23 30 00 --- 20 35 29 83.2 214.7 0.3 31.6 180 2292 23 27 01 23 31 00 CYG-A 20 36 29 82.9 255.5 0.6 69.4 22 2292 23 31 00 23 46 00 --- 20 51 32 80.2 261.7 0.9 73.1 900 2408 23 31 01 Schedule for VLBA_HN (Code Hn ) 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 ---------------------------------------------------------------------------------------- --- Sun 19 Oct 2014 Day 292 --- 23 47 00 CYG-A 20 52 32 80.0 262.0 0.9 73.3 54 2408 23 47 00 23 55 00 --- 21 00 33 78.5 264.3 1.0 74.2 480 2469 23 47 01 --- Mon 20 Oct 2014 Day 293 --- 00 00 00 CYG-A 21 05 34 77.6 265.6 1.1 74.6 294 2469 00 00 00 00 04 00 --- 21 09 34 76.9 266.5 1.2 74.8 240 2500 00 00 01 00 07 00 BLLAC 21 12 35 80.7 89.2 -0.8 -82.2 41 2500 00 07 00 00 10 00 --- 21 15 35 81.2 89.7 -0.8 -82.2 180 2524 00 07 01 00 23 00 2013+370 21 28 38 75.0 253.7 1.2 62.0 654 2524 00 23 00 00 26 00 --- 21 31 38 74.5 254.8 1.3 62.6 180 2547 00 23 01 00 28 00 CYG-A 21 33 38 72.5 270.9 1.6 75.2 100 2547 00 28 00 00 43 00 --- 21 48 41 69.7 273.2 1.8 74.9 900 2663 00 28 01 00 44 00 CYG-A 21 49 41 69.6 273.4 1.8 74.9 54 2663 00 44 00 00 50 00 --- 21 55 42 68.5 274.2 1.9 74.7 360 2709 00 44 01 00 51 00 2013+370 21 56 42 70.0 262.0 1.7 65.6 43 2709 00 51 00 00 54 00 --- 21 59 43 69.5 262.7 1.7 65.8 180 2732 00 51 01 00 55 00 CYG-A 22 00 43 67.5 274.9 2.0 74.5 43 2732 00 55 00 01 10 00 --- 22 15 45 64.8 276.8 2.3 73.8 900 2848 00 55 01 01 11 00 CYG-A 22 16 45 64.6 276.9 2.3 73.7 54 2848 01 11 00 01 16 00 --- 22 21 46 63.7 277.5 2.4 73.5 300 2887 01 11 01 01 18 00 2013+370 22 23 47 65.1 267.7 2.1 66.8 105 2887 01 18 00 01 21 00 --- 22 26 47 64.5 268.2 2.2 66.8 180 2910 01 18 01 01 23 00 CYG-A 22 28 47 62.4 278.4 2.5 73.1 105 2910 01 23 00 01 38 00 --- 22 43 50 59.7 280.1 2.7 72.1 900 3026 01 23 01 01 39 00 CYG-A 22 44 50 59.5 280.3 2.7 72.1 54 3026 01 39 00 01 44 00 --- 22 49 51 58.6 280.8 2.8 71.8 300 3065 01 39 01 01 46 00 2013+370 22 51 51 59.9 272.4 2.6 66.7 106 3065 01 46 00 01 49 00 --- 22 54 52 59.4 272.9 2.6 66.7 180 3088 01 46 01 01 51 00 CYG-A 22 56 52 57.4 281.6 2.9 71.3 106 3088 01 51 00 02 06 00 --- 23 11 55 54.7 283.3 3.2 70.2 900 3204 01 51 01 Schedule for VLBA_HN (Code Hn ) 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 --- 02 15 00 BLLAC 23 20 56 75.8 274.3 1.3 81.1 482 3204 02 15 00 02 18 00 --- 23 23 56 75.2 274.7 1.3 80.9 180 3227 02 15 01 02 27 00 2013+370 23 32 58 52.4 278.4 3.3 65.5 484 3227 02 27 00 02 30 00 --- 23 35 58 51.9 278.8 3.3 65.3 180 3250 02 27 01 02 31 00 CYG-A 23 36 59 50.3 286.1 3.6 68.3 47 3250 02 31 00 02 46 00 --- 23 52 01 47.6 287.7 3.9 67.1 900 3366 02 31 01 02 47 00 CYG-A 23 53 01 47.4 287.8 3.9 67.0 54 3366 02 47 00 02 59 00 --- 00 05 03 45.4 289.1 4.1 66.0 720 3459 02 47 01 03 07 00 2013+370 00 13 05 45.2 283.6 4.0 63.3 467 3459 03 07 00 03 10 00 --- 00 16 05 44.7 284.0 4.0 63.2 180 3482 03 07 01 03 11 00 CYG-A 00 17 05 43.3 290.4 4.3 65.0 48 3482 03 11 00 03 26 00 --- 00 32 08 40.7 292.1 4.5 63.6 900 3598 03 11 01 03 27 00 2013+370 00 33 08 41.7 286.1 4.3 62.0 48 3598 03 27 00 03 30 00 --- 00 36 08 41.2 286.5 4.3 61.8 180 3621 03 27 01 03 31 00 CYG-A 00 37 08 39.9 292.7 4.6 63.2 48 3621 03 31 00 03 46 00 --- 00 52 11 37.3 294.4 4.9 61.7 900 3737 03 31 01 03 47 00 CYG-A 00 53 11 37.2 294.5 4.9 61.7 54 3737 03 47 00 03 52 00 --- 00 58 12 36.3 295.0 5.0 61.2 300 3776 03 47 01 03 55 00 2013+370 01 01 12 36.8 289.6 4.8 60.0 168 3776 03 55 00 03 58 00 --- 01 04 13 36.3 290.0 4.8 59.8 180 3799 03 55 01 03 59 00 CYG-A 01 05 13 35.2 295.8 5.1 60.5 48 3799 03 59 00 04 14 00 --- 01 20 16 32.7 297.6 5.3 59.0 900 3915 03 59 01 04 15 00 CYG-A 01 21 16 32.6 297.7 5.4 58.9 54 3915 04 15 00 04 23 00 --- 01 29 17 31.3 298.6 5.5 58.1 480 3977 04 15 01 04 32 00 BLLAC 01 38 18 51.2 288.2 3.6 70.3 484 3977 04 32 00 04 35 00 --- 01 41 19 50.6 288.5 3.6 70.0 180 4000 04 32 01 04 44 00 2013+370 01 50 20 28.5 295.8 5.6 55.9 486 4000 04 44 00 04 47 00 --- 01 53 21 28.0 296.2 5.6 55.6 180 4023 04 44 01 04 48 00 CYG-A 01 54 21 27.3 301.6 5.9 55.4 48 4023 04 48 00 05 03 00 --- 02 09 24 25.0 303.4 6.2 53.8 900 4139 04 48 01 Schedule for VLBA_HN (Code Hn ) 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 --- 05 04 00 2013+370 02 10 24 25.2 298.4 5.9 54.0 48 4139 05 04 00 05 07 00 --- 02 13 24 24.8 298.8 6.0 53.7 180 4162 05 04 01 05 08 00 CYG-A 02 14 24 24.2 304.0 6.2 53.2 48 4162 05 08 00 05 23 00 --- 02 29 27 22.0 305.9 6.5 51.5 900 4278 05 08 01 05 24 00 CYG-A 02 30 27 21.8 306.1 6.5 51.4 54 4278 05 24 00 05 28 00 --- 02 34 28 21.2 306.6 6.6 50.9 240 4309 05 24 01 05 29 00 CYG-A 02 35 28 21.1 306.7 6.6 50.8 54 4309 05 29 00 05 35 00 --- 02 41 29 20.2 307.5 6.7 50.1 360 4355 05 29 01 05 36 00 2013+370 02 42 29 20.2 302.6 6.4 50.8 48 4355 05 36 00 05 39 00 --- 02 45 30 19.7 303.0 6.5 50.5 180 4379 05 36 01 05 40 00 CYG-A 02 46 30 19.5 308.1 6.8 49.5 48 4379 05 40 00 05 55 00 --- 03 01 32 17.3 310.1 7.0 47.7 900 4495 05 40 01 05 56 00 CYG-A 03 02 32 17.2 310.2 7.0 47.6 54 4495 05 56 00 06 00 00 --- 03 06 33 16.6 310.8 7.1 47.1 240 4525 05 56 01 06 02 00 CYG-A 03 08 33 16.4 311.1 7.1 46.8 114 4525 06 02 00 06 07 00 --- 03 13 34 15.7 311.7 7.2 46.2 300 4564 06 02 01 06 09 00 BLLAC 03 15 34 34.8 298.3 5.2 60.7 69 4564 06 09 00 06 12 00 --- 03 18 35 34.3 298.6 5.3 60.4 180 4587 06 09 01 06 21 00 2013+370 03 27 36 13.5 308.8 7.2 45.8 488 4587 06 21 00 06 24 00 --- 03 30 37 13.1 309.3 7.2 45.4 180 4610 06 21 01 06 25 00 CYG-A 03 31 37 13.2 314.2 7.5 43.9 49 4610 06 25 00 06 40 00 --- 03 46 40 11.3 316.4 7.8 41.9 900 4726 06 25 01 06 41 00 2013+370 03 47 40 10.7 311.7 7.5 43.3 49 4726 06 41 00 06 44 00 --- 03 50 40 10.3 312.2 7.6 43.0 180 4750 06 41 01 06 45 00 CYG-A 03 51 40 10.7 317.1 7.9 41.2 49 4750 06 45 00 07 00 00 --- 04 06 43 8.8 319.3 8.1 39.1 900 4866 06 45 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: 1 Station: VLBA_HN 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