COVER INFORMATION Station: KVNYS (Code Ky ) 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 KVNYS (Code Ky ) 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: 43130.25 43130.25 43130.25 43130.25 43162.25 43162.25 43162.25 43162.25 43194.25 43194.25 43194.25 43194.25 43226.25 43226.25 43226.25 43226.25 Next BBC frequencies: 9020.25 9020.25 9020.25 9020.25 9052.25 9052.25 9052.25 9052.25 9084.25 9084.25 9084.25 9084.25 9116.25 9116.25 9116.25 9116.25 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 12 00 00 2013+370 22 19 18 65.6 -81.2 2.1 79.7 0 0 12 00 00 12 03 00 --- 22 22 19 65.0 -81.0 2.1 79.5 180 23 12 00 01 12 04 00 CYG-A 22 23 19 62.2 -72.1 2.4 84.8 54 23 12 04 00 12 19 00 --- 22 38 21 59.4 -71.4 2.6 82.9 900 138 12 04 01 12 20 00 CYG-A 22 39 21 59.2 -71.4 2.7 82.8 58 138 12 20 00 12 25 00 --- 22 44 22 58.3 -71.2 2.7 82.2 300 177 12 20 01 12 26 00 CYG-A 22 45 22 58.1 -71.1 2.8 82.1 58 177 12 26 00 12 29 00 --- 22 48 23 57.5 -71.0 2.8 81.7 180 200 12 26 01 12 30 00 2013+370 22 49 23 59.8 -78.7 2.6 77.5 54 200 12 30 00 12 33 00 --- 22 52 24 59.2 -78.4 2.6 77.2 180 223 12 30 01 12 34 00 CYG-A 22 53 24 56.6 -70.7 2.9 81.1 54 223 12 34 00 12 49 00 --- 23 08 26 53.8 -69.8 3.1 79.3 900 338 12 34 01 12 50 00 CYG-A 23 09 26 53.6 -69.8 3.2 79.2 58 338 12 50 00 12 54 00 --- 23 13 27 52.8 -69.5 3.2 78.8 240 369 12 50 01 12 55 00 CYG-A 23 14 27 52.7 -69.5 3.2 78.7 58 369 12 55 00 12 59 00 --- 23 18 28 51.9 -69.2 3.3 78.2 240 400 12 55 01 13 00 00 BLLAC 23 19 28 74.7 -65.8 1.3 101.9 49 400 13 00 00 13 03 00 --- 23 22 29 74.1 -66.2 1.3 101.0 180 423 13 00 01 13 09 00 2013+370 23 28 29 52.2 -75.3 3.2 74.4 350 423 13 09 00 13 12 00 --- 23 31 30 51.6 -75.0 3.3 74.1 180 446 13 09 01 13 13 00 CYG-A 23 32 30 49.3 -68.3 3.5 76.6 55 446 13 13 00 13 28 00 --- 23 47 33 46.6 -67.3 3.8 74.9 900 562 13 13 01 13 29 00 CYG-A 23 48 33 46.4 -67.2 3.8 74.8 58 562 13 29 00 13 33 00 --- 23 52 33 45.6 -66.9 3.9 74.4 240 592 13 29 01 13 34 00 2013+370 23 53 34 47.4 -73.1 3.6 72.3 55 592 13 34 00 13 37 00 --- 23 56 34 46.9 -72.8 3.7 72.0 180 615 13 34 01 Schedule for KVNYS (Code Ky ) 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 --- 13 38 00 CYG-A 23 57 34 44.7 -66.5 4.0 73.8 55 615 13 38 00 13 53 00 --- 00 12 37 42.0 -65.4 4.2 72.1 900 731 13 38 01 13 54 00 CYG-A 00 13 37 41.8 -65.3 4.2 72.0 58 731 13 54 00 13 59 00 --- 00 18 38 40.9 -64.9 4.3 71.5 300 769 13 54 01 14 00 00 2013+370 00 19 38 42.5 -70.7 4.1 70.0 55 769 14 00 00 14 03 00 --- 00 22 38 42.0 -70.4 4.1 69.7 180 792 14 00 01 14 04 00 CYG-A 00 23 39 40.0 -64.5 4.4 70.9 55 792 14 04 00 14 19 00 --- 00 38 41 37.4 -63.3 4.6 69.2 900 908 14 04 01 14 20 00 CYG-A 00 39 41 37.2 -63.2 4.7 69.1 58 908 14 20 00 14 25 00 --- 00 44 42 36.3 -62.8 4.7 68.6 300 946 14 20 01 14 26 00 CYG-A 00 45 42 36.1 -62.7 4.8 68.5 58 946 14 26 00 14 29 00 --- 00 48 43 35.6 -62.4 4.8 68.1 180 969 14 26 01 14 30 00 2013+370 00 49 43 36.9 -67.9 4.6 67.3 55 969 14 30 00 14 33 00 --- 00 52 43 36.4 -67.6 4.6 67.0 180 992 14 30 01 14 34 00 CYG-A 00 53 43 34.7 -62.0 4.9 67.5 55 992 14 34 00 14 49 00 --- 01 08 46 32.1 -60.6 5.1 65.8 900 1108 14 34 01 14 50 00 CYG-A 01 09 46 31.9 -60.5 5.2 65.7 58 1108 14 50 00 14 54 00 --- 01 13 47 31.2 -60.2 5.2 65.3 240 1138 14 50 01 14 55 00 CYG-A 01 14 47 31.1 -60.1 5.2 65.1 58 1138 14 55 00 14 59 00 --- 01 18 48 30.4 -59.7 5.3 64.7 240 1169 14 55 01 15 00 00 BLLAC 01 19 48 52.6 -66.8 3.3 80.4 49 1169 15 00 00 15 03 00 --- 01 22 48 52.0 -66.7 3.3 80.1 180 1192 15 00 01 15 09 00 2013+370 01 28 49 29.9 -64.0 5.2 63.5 350 1192 15 09 00 15 12 00 --- 01 31 50 29.3 -63.7 5.3 63.2 180 1215 15 09 01 15 13 00 CYG-A 01 32 50 28.0 -58.4 5.5 63.0 55 1215 15 13 00 15 28 00 --- 01 47 52 25.5 -56.9 5.8 61.2 900 1331 15 13 01 15 29 00 CYG-A 01 48 52 25.3 -56.8 5.8 61.1 58 1331 15 29 00 15 33 00 --- 01 52 53 24.6 -56.4 5.9 60.6 240 1362 15 29 01 15 34 00 2013+370 01 53 53 25.5 -61.4 5.6 60.9 55 1362 15 34 00 15 37 00 --- 01 56 54 24.9 -61.0 5.7 60.6 180 1385 15 34 01 Schedule for KVNYS (Code Ky ) 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 --- 15 38 00 CYG-A 01 57 54 23.8 -55.9 6.0 60.0 55 1385 15 38 00 15 53 00 --- 02 12 56 21.4 -54.3 6.2 58.2 900 1500 15 38 01 15 54 00 CYG-A 02 13 57 21.2 -54.2 6.2 58.1 58 1500 15 54 00 15 59 00 --- 02 18 57 20.4 -53.6 6.3 57.4 300 1538 15 54 01 16 00 00 2013+370 02 19 58 21.0 -58.5 6.1 58.1 55 1538 16 00 00 16 03 00 --- 02 22 58 20.5 -58.2 6.1 57.8 180 1562 16 00 01 16 04 00 CYG-A 02 23 58 19.6 -53.1 6.4 56.8 55 1562 16 04 00 16 19 00 --- 02 39 01 17.2 -51.4 6.7 54.9 900 1677 16 04 01 16 20 00 CYG-A 02 40 01 17.1 -51.3 6.7 54.8 58 1677 16 20 00 16 25 00 --- 02 45 02 16.3 -50.7 6.8 54.1 300 1715 16 20 01 16 26 00 CYG-A 02 46 02 16.2 -50.6 6.8 54.0 58 1715 16 26 00 16 29 00 --- 02 49 02 15.7 -50.2 6.8 53.6 180 1738 16 26 01 16 30 00 2013+370 02 50 03 16.0 -55.0 6.6 54.6 55 1738 16 30 00 16 33 00 --- 02 53 03 15.5 -54.6 6.6 54.3 180 1762 16 30 01 16 34 00 CYG-A 02 54 03 14.9 -49.6 6.9 52.9 55 1762 16 34 00 16 49 00 --- 03 09 06 12.7 -47.8 7.2 50.9 900 1877 16 34 01 16 50 00 CYG-A 03 10 06 12.6 -47.7 7.2 50.8 58 1877 16 50 00 16 53 00 --- 03 13 06 12.1 -47.3 7.2 50.3 180 1900 16 50 01 16 54 00 CYG-A 03 14 06 12.0 -47.2 7.2 50.2 58 1900 16 54 00 16 58 00 --- 03 18 07 11.4 -46.7 7.3 49.6 240 1931 16 54 01 --- Mon 20 Oct 2014 Day 293 --- 03 07 00 2013+370 13 28 47 13.9 53.4 -6.8 -53.1 36535 1931 03 07 00 03 10 00 --- 13 31 48 14.3 53.8 -6.7 -53.4 180 1954 03 07 01 03 11 00 CYG-A 13 32 48 19.1 52.7 -6.5 -56.4 55 1954 03 11 00 03 26 00 --- 13 47 50 21.5 54.4 -6.2 -58.3 900 2069 03 11 01 03 27 00 2013+370 13 48 50 17.1 55.8 -6.5 -55.4 55 2069 03 27 00 03 30 00 --- 13 51 51 17.6 56.2 -6.4 -55.8 180 2092 03 27 01 03 31 00 CYG-A 13 52 51 22.3 54.9 -6.1 -58.9 55 2092 03 31 00 03 46 00 --- 14 07 54 24.8 56.4 -5.9 -60.7 900 2208 03 31 01 Schedule for KVNYS (Code Ky ) 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 --- 03 47 00 CYG-A 14 08 54 24.9 56.6 -5.9 -60.9 58 2208 03 47 00 03 52 00 --- 14 13 55 25.8 57.1 -5.8 -61.5 300 2246 03 47 01 03 55 00 2013+370 14 16 55 21.8 59.0 -6.0 -58.6 176 2246 03 55 00 03 58 00 --- 14 19 56 22.3 59.4 -5.9 -58.9 180 2269 03 55 01 03 59 00 CYG-A 14 20 56 26.9 57.8 -5.7 -62.3 56 2269 03 59 00 04 14 00 --- 14 35 58 29.5 59.2 -5.4 -64.1 900 2385 03 59 01 04 15 00 CYG-A 14 36 58 29.6 59.3 -5.4 -64.2 58 2385 04 15 00 04 23 00 --- 14 45 00 31.0 60.1 -5.2 -65.1 480 2446 04 15 01 04 32 00 BLLAC 14 54 01 13.7 46.5 -7.2 -51.1 531 2446 04 32 00 04 35 00 --- 14 57 02 14.1 46.9 -7.1 -51.6 180 2469 04 32 01 04 44 00 2013+370 15 06 03 30.4 64.3 -5.2 -63.8 531 2469 04 44 00 04 47 00 --- 15 09 04 30.9 64.6 -5.1 -64.1 180 2492 04 44 01 04 48 00 CYG-A 15 10 04 35.4 62.3 -4.8 -68.0 56 2492 04 48 00 05 03 00 --- 15 25 06 38.0 63.6 -4.6 -69.7 900 2608 04 48 01 05 04 00 2013+370 15 26 06 34.0 66.3 -4.8 -65.7 56 2608 05 04 00 05 07 00 --- 15 29 07 34.5 66.6 -4.8 -66.0 180 2631 05 04 01 05 08 00 CYG-A 15 30 07 38.9 64.0 -4.5 -70.2 56 2631 05 08 00 05 23 00 --- 15 45 09 41.6 65.2 -4.2 -71.9 900 2746 05 08 01 05 24 00 CYG-A 15 46 10 41.8 65.3 -4.2 -72.0 58 2746 05 24 00 05 28 00 --- 15 50 10 42.5 65.6 -4.2 -72.5 240 2777 05 24 01 05 29 00 CYG-A 15 51 10 42.7 65.7 -4.1 -72.6 58 2777 05 29 00 05 35 00 --- 15 57 11 43.8 66.2 -4.0 -73.2 360 2823 05 29 01 05 36 00 2013+370 15 58 12 39.9 69.4 -4.3 -68.7 56 2823 05 36 00 05 39 00 --- 16 01 12 40.4 69.7 -4.2 -69.0 180 2846 05 36 01 05 40 00 CYG-A 16 02 12 44.7 66.5 -4.0 -73.8 56 2846 05 40 00 05 55 00 --- 16 17 15 47.4 67.6 -3.7 -75.5 900 2962 05 40 01 05 56 00 CYG-A 16 18 15 47.6 67.7 -3.7 -75.6 58 2962 05 56 00 06 00 00 --- 16 22 16 48.4 68.0 -3.6 -76.0 240 2992 05 56 01 06 02 00 CYG-A 16 24 16 48.7 68.1 -3.6 -76.2 118 2992 06 02 00 06 07 00 --- 16 29 17 49.7 68.4 -3.5 -76.8 300 3031 06 02 01 Schedule for KVNYS (Code Ky ) 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 --- 06 09 00 BLLAC 16 31 17 28.8 56.8 -5.5 -63.9 110 3031 06 09 00 06 12 00 --- 16 34 18 29.3 57.1 -5.5 -64.3 180 3054 06 09 01 06 21 00 2013+370 16 43 19 48.3 73.5 -3.5 -72.7 531 3054 06 21 00 06 24 00 --- 16 46 20 48.9 73.8 -3.5 -72.9 180 3077 06 21 01 06 25 00 CYG-A 16 47 20 53.0 69.6 -3.2 -78.9 56 3077 06 25 00 06 40 00 --- 17 02 22 55.8 70.5 -3.0 -80.6 900 3192 06 25 01 06 41 00 2013+370 17 03 22 52.2 75.3 -3.2 -74.3 55 3192 06 41 00 06 44 00 --- 17 06 23 52.7 75.5 -3.2 -74.6 180 3215 06 41 01 06 45 00 CYG-A 17 07 23 56.7 70.7 -2.9 -81.2 55 3215 06 45 00 07 00 00 --- 17 22 25 59.5 71.5 -2.6 -83.0 900 3331 06 45 01 07 01 00 CYG-A 17 23 26 59.7 71.5 -2.6 -83.2 58 3331 07 01 00 07 11 00 --- 17 33 27 61.6 71.9 -2.4 -84.4 600 3408 07 01 01 07 12 00 2013+370 17 34 27 58.2 78.0 -2.7 -76.8 55 3408 07 12 00 07 15 00 --- 17 37 28 58.7 78.2 -2.6 -77.1 180 3431 07 12 01 07 16 00 CYG-A 17 38 28 62.6 72.1 -2.4 -85.1 55 3431 07 16 00 07 31 00 --- 17 53 31 65.4 72.6 -2.1 -87.1 900 3546 07 16 01 07 32 00 2013+370 17 54 31 62.1 79.7 -2.4 -78.4 55 3546 07 32 00 07 35 00 --- 17 57 31 62.6 79.9 -2.3 -78.6 180 3569 07 32 01 07 36 00 CYG-A 17 58 31 66.4 72.7 -2.0 -87.9 55 3569 07 36 00 07 51 00 --- 18 13 34 69.2 72.8 -1.8 -90.2 900 3685 07 36 01 07 52 00 2013+370 18 14 34 66.0 81.4 -2.0 -79.9 54 3685 07 52 00 07 55 00 --- 18 17 34 66.6 81.7 -2.0 -80.1 180 3708 07 52 01 08 00 00 BLLAC 18 22 35 48.2 65.5 -3.7 -77.4 290 3708 08 00 00 08 03 00 --- 18 25 36 48.7 65.7 -3.6 -77.8 180 3731 08 00 01 08 05 00 2013+370 18 27 36 68.5 82.5 -1.8 -80.8 110 3731 08 05 00 08 08 00 --- 18 30 37 69.1 82.8 -1.8 -81.0 180 3754 08 05 01 08 10 00 CYG-A 18 32 37 72.8 72.4 -1.5 -93.7 114 3754 08 10 00 08 25 00 --- 18 47 39 75.6 71.4 -1.2 -97.1 900 3869 08 10 01 08 26 00 2013+370 18 48 40 72.7 84.4 -1.5 -82.2 53 3869 08 26 00 08 29 00 --- 18 51 40 73.3 84.7 -1.4 -82.4 180 3892 08 26 01 Schedule for KVNYS (Code Ky ) 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 --- 08 30 00 CYG-A 18 52 40 76.6 70.9 -1.1 -98.4 52 3892 08 30 00 08 45 00 --- 19 07 43 79.4 68.3 -0.9 -103.4 900 4008 08 30 01 08 46 00 2013+370 19 08 43 76.6 86.3 -1.1 -83.5 51 4008 08 46 00 08 49 00 --- 19 11 43 77.2 86.6 -1.1 -83.6 180 4031 08 46 01 08 50 00 CYG-A 19 12 43 80.3 67.0 -0.8 -105.5 50 4031 08 50 00 09 05 00 --- 19 27 46 83.0 60.2 -0.5 -114.7 900 4146 08 50 01 09 06 00 2013+370 19 28 46 80.6 88.4 -0.8 -84.4 48 4146 09 06 00 09 09 00 --- 19 31 47 81.2 88.8 -0.7 -84.5 180 4169 09 06 01 09 10 00 CYG-A 19 32 47 83.8 56.5 -0.5 -119.2 46 4169 09 10 00 09 25 00 --- 19 47 49 86.0 35.3 -0.2 -142.8 900 4285 09 10 01 09 26 00 2013+370 19 48 49 84.6 91.4 -0.5 -84.5 38 4285 09 26 00 09 29 00 --- 19 51 50 85.2 92.1 -0.4 -84.3 180 4308 09 26 01 09 30 00 CYG-A 19 52 50 86.5 22.8 -0.1 -156.1 34 4308 09 30 00 09 45 00 --- 20 07 53 86.4 -24.8 0.1 154.0 900 4423 09 30 01 09 46 00 2013+370 20 08 53 88.5 102.5 -0.1 -76.4 14 4423 09 46 00 09 49 00 --- 20 11 53 89.1 111.4 -0.1 -67.9 180 4446 09 46 01 09 50 00 CYG-A 20 12 53 85.9 -36.8 0.2 141.1 7 4446 09 50 00 10 00 00 --- 20 22 55 84.5 -52.3 0.4 124.1 600 4523 09 50 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 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 12 Station: KVNYS Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 34110.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 BBC SB= L L U U L L U U L L U U L L U U IF = D C D C D C D C D C D C D C D C The following frequency sets based on these setups were used. Frequency Set: 6 Setup file default. Used with PCAL = 1MHz LO sum= 43130.25 43130.25 43130.25 43130.25 43162.25 43162.25 43162.25 43162.25 43194.25 43194.25 43194.25 43194.25 43226.25 43226.25 43226.25 43226.25 BBC fr= 9020.25 9020.25 9020.25 9020.25 9052.25 9052.25 9052.25 9052.25 9084.25 9084.25 9084.25 9084.25 9116.25 9116.25 9116.25 9116.25 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 6 7 8 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 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