COVER INFORMATION Station: GBT_VLBA (Code Gb ) Experiment: Global 7mm VLBI observations of Cygnus A Exp. Code: GB075A Schedule Version: 5.00 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 GBT_VLBA (Code Gb ) 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 8 Jun 2014 Day 159 --- ---------- GBT pointing scan. ---------- 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 02 00 00 2013+370 13 46 10 17.2 55.7 -6.5 -54.4 0 0 Stopped 02 07 00 --- 13 53 11 18.3 56.6 -6.4 -55.2 420 0 02 08 00 2013+370 13 54 12 18.5 56.7 -6.4 -55.3 39 0 02 08 00 02 11 00 --- 13 57 12 19.0 57.0 -6.3 -55.6 180 23 02 08 01 02 12 00 CYG-A 13 58 12 23.7 55.8 -6.0 -58.8 19 23 02 12 00 02 21 00 --- 14 07 14 25.1 56.7 -5.9 -59.9 540 93 02 12 01 ---------- GBT pointing scan. ---------- 02 23 00 2013+370 14 09 14 20.9 58.5 -6.1 -57.0 79 93 Stopped 02 29 00 --- 14 15 15 22.0 59.1 -6.0 -57.6 360 93 02 30 00 BLLAC 14 16 15 9.1 41.9 -7.8 -45.1 -9 93 02 30 09 02 32 00 --- 14 18 16 9.3 42.2 -7.8 -45.4 111 107 02 30 01 ---------- GBT pointing scan. ---------- 02 34 00 2013+370 14 20 16 22.8 59.7 -5.9 -58.2 50 107 Stopped 02 40 00 --- 14 26 17 23.8 60.4 -5.8 -58.8 360 107 02 41 00 2013+370 14 27 17 24.0 60.5 -5.8 -58.9 39 107 02 41 00 02 44 00 --- 14 30 18 24.5 60.9 -5.8 -59.2 180 130 02 41 01 02 46 00 CYG-A 14 32 18 29.3 59.3 -5.5 -62.8 79 130 02 46 00 02 55 00 --- 14 41 19 30.8 60.2 -5.3 -63.8 540 200 02 46 01 03 01 00 2013+370 14 47 20 27.4 62.7 -5.5 -61.0 319 200 03 01 00 03 04 00 --- 14 50 21 28.0 63.1 -5.4 -61.3 180 223 03 01 01 03 06 00 CYG-A 14 52 21 32.7 61.2 -5.1 -65.1 79 223 03 06 00 03 15 00 --- 15 01 23 34.3 62.1 -5.0 -66.1 540 293 03 06 01 ---------- GBT pointing scan. ---------- 03 16 00 2013+370 15 02 23 30.1 64.4 -5.2 -62.5 20 293 Stopped 03 23 00 --- 15 09 24 31.3 65.1 -5.1 -63.2 420 293 Schedule for GBT_VLBA (Code Gb ) 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 8 Jun 2014 Day 159 --- 03 24 00 2013+370 15 10 24 31.5 65.2 -5.1 -63.3 39 293 03 24 00 03 26 00 --- 15 12 24 31.9 65.4 -5.1 -63.5 120 308 03 24 01 03 28 00 CYG-A 15 14 25 36.5 63.3 -4.8 -67.5 79 308 03 28 00 03 37 00 --- 15 23 26 38.1 64.1 -4.6 -68.5 540 378 03 28 01 03 43 00 2013+370 15 29 27 34.9 67.2 -4.8 -65.1 320 378 03 43 00 03 46 00 --- 15 32 28 35.5 67.5 -4.7 -65.3 180 401 03 43 01 03 48 00 CYG-A 15 34 28 40.1 65.0 -4.4 -69.7 80 401 03 48 00 03 57 00 --- 15 43 30 41.7 65.8 -4.3 -70.7 540 470 03 48 01 ---------- GBT pointing scan. ---------- 03 58 00 2013+370 15 44 30 37.7 68.7 -4.5 -66.4 20 470 Stopped 04 05 00 --- 15 51 31 38.9 69.4 -4.4 -67.1 420 470 04 06 00 2013+370 15 52 31 39.1 69.5 -4.4 -67.1 39 470 04 06 00 04 08 00 --- 15 54 31 39.5 69.7 -4.4 -67.3 120 486 04 06 01 04 10 00 CYG-A 15 56 32 44.0 66.9 -4.1 -72.0 80 486 04 10 00 04 19 00 --- 16 05 33 45.6 67.6 -3.9 -73.0 540 555 04 10 01 ---------- GBT pointing scan. ---------- 04 21 00 BLLAC 16 07 33 25.4 54.9 -5.9 -60.1 26 555 Stopped 04 27 00 --- 16 13 34 26.4 55.5 -5.8 -60.9 360 555 04 28 00 BLLAC 16 14 35 26.6 55.6 -5.8 -61.0 39 555 04 28 00 04 30 00 --- 16 16 35 26.9 55.8 -5.8 -61.3 120 571 04 28 01 ---------- GBT pointing scan. ---------- 04 32 00 2013+370 16 18 35 43.9 72.1 -4.0 -69.4 38 571 Stopped 04 38 00 --- 16 24 36 45.1 72.7 -3.9 -69.9 360 571 04 39 00 2013+370 16 25 36 45.2 72.8 -3.8 -70.0 39 571 04 39 00 04 42 00 --- 16 28 37 45.8 73.0 -3.8 -70.2 180 594 04 39 01 04 44 00 CYG-A 16 30 37 50.2 69.5 -3.5 -75.7 80 594 04 44 00 04 53 00 --- 16 39 39 51.9 70.2 -3.3 -76.7 540 664 04 44 01 04 59 00 2013+370 16 45 40 49.0 74.7 -3.5 -71.6 321 664 04 59 00 05 02 00 --- 16 48 40 49.6 75.0 -3.5 -71.8 180 687 04 59 01 Schedule for GBT_VLBA (Code Gb ) 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 8 Jun 2014 Day 159 --- 05 03 00 CYG-A 16 49 40 53.7 70.9 -3.2 -77.7 21 687 05 03 00 05 12 00 --- 16 58 42 55.4 71.5 -3.0 -78.7 540 756 05 03 01 ---------- GBT pointing scan. ---------- 05 13 00 2013+370 16 59 42 51.7 76.0 -3.3 -72.7 21 756 Stopped 05 20 00 --- 17 06 43 53.0 76.7 -3.2 -73.2 420 756 05 21 00 2013+370 17 07 43 53.2 76.8 -3.1 -73.3 39 756 05 21 00 05 23 00 --- 17 09 44 53.6 77.0 -3.1 -73.4 120 772 05 21 01 05 24 00 CYG-A 17 10 44 57.6 72.2 -2.8 -80.1 20 772 05 24 00 05 33 00 --- 17 19 45 59.3 72.8 -2.7 -81.1 540 841 05 24 01 05 39 00 2013+370 17 25 46 56.7 78.5 -2.8 -74.6 320 841 05 39 00 05 42 00 --- 17 28 47 57.2 78.8 -2.8 -74.8 180 865 05 39 01 05 43 00 CYG-A 17 29 47 61.2 73.3 -2.5 -82.2 19 865 05 43 00 05 52 00 --- 17 38 48 62.9 73.8 -2.4 -83.3 540 934 05 43 01 ---------- GBT pointing scan. ---------- 05 53 00 2013+370 17 39 49 59.4 79.9 -2.6 -75.6 18 934 Stopped 05 59 00 --- 17 45 50 60.5 80.5 -2.5 -76.0 360 934 06 01 00 2013+370 17 47 50 60.9 80.7 -2.5 -76.1 99 934 06 01 00 06 03 00 --- 17 49 50 61.3 80.9 -2.4 -76.2 120 950 06 01 01 06 04 00 CYG-A 17 50 50 65.2 74.3 -2.2 -84.8 17 950 06 04 00 06 13 00 --- 17 59 52 66.9 74.7 -2.0 -85.9 540 1019 06 04 01 ---------- GBT pointing scan. ---------- 06 15 00 BLLAC 18 01 52 44.8 64.9 -4.0 -73.7 20 1019 Stopped 06 21 00 --- 18 07 53 45.9 65.4 -3.9 -74.4 360 1019 06 22 00 BLLAC 18 08 53 46.1 65.4 -3.9 -74.6 39 1019 06 22 00 06 24 00 --- 18 10 54 46.4 65.6 -3.9 -74.8 120 1035 06 22 01 ---------- GBT pointing scan. ---------- 06 26 00 2013+370 18 12 54 65.8 83.2 -2.1 -77.6 30 1035 Stopped 06 32 00 --- 18 18 55 66.9 83.8 -2.0 -78.0 360 1035 Schedule for GBT_VLBA (Code Gb ) 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 8 Jun 2014 Day 159 --- 06 33 00 2013+370 18 19 55 67.1 83.9 -1.9 -78.0 39 1035 06 33 00 06 35 00 --- 18 21 55 67.5 84.1 -1.9 -78.1 120 1050 06 33 01 06 36 00 CYG-A 18 22 56 71.2 75.2 -1.6 -89.2 13 1050 06 36 00 06 45 00 --- 18 31 57 72.9 75.2 -1.5 -90.7 540 1120 06 36 01 06 51 00 2013+370 18 37 58 70.7 85.9 -1.6 -78.9 311 1120 06 51 00 06 54 00 --- 18 40 59 71.2 86.3 -1.6 -79.0 180 1143 06 51 01 06 55 00 CYG-A 18 41 59 74.8 75.0 -1.3 -92.5 9 1143 06 55 00 07 04 00 --- 18 51 00 76.5 74.6 -1.1 -94.4 540 1212 06 55 01 ---------- GBT pointing scan. ---------- 07 05 00 2013+370 18 52 00 73.4 87.6 -1.4 -79.4 6 1212 Stopped 07 12 00 --- 18 59 02 74.8 88.5 -1.3 -79.6 420 1212 07 13 00 2013+370 19 00 02 75.0 88.7 -1.3 -79.6 39 1212 07 13 00 07 15 00 --- 19 02 02 75.4 89.0 -1.2 -79.6 120 1228 07 13 01 07 17 00 CYG-A 19 04 02 79.0 73.3 -0.9 -97.7 62 1228 07 17 00 07 26 00 --- 19 13 04 80.7 71.8 -0.8 -100.7 540 1297 07 17 01 07 32 00 2013+370 19 19 05 78.7 91.7 -0.9 -79.5 296 1297 07 32 00 07 35 00 --- 19 22 05 79.3 92.3 -0.9 -79.4 180 1321 07 32 01 07 37 00 CYG-A 19 24 06 82.7 68.5 -0.6 -105.8 49 1321 07 37 00 07 46 00 --- 19 33 07 84.3 63.6 -0.4 -112.2 540 1390 07 37 01 ---------- GBT pointing scan. ---------- 07 48 00 2013+370 19 35 07 81.8 95.3 -0.7 -78.4 35 1390 Stopped 07 54 00 --- 19 41 08 83.0 97.2 -0.6 -77.4 360 1390 07 55 00 2013+370 19 42 09 83.2 97.6 -0.6 -77.2 38 1390 07 55 00 07 57 00 --- 19 44 09 83.6 98.4 -0.5 -76.7 120 1406 07 55 01 07 59 00 CYG-A 19 46 09 86.5 47.6 -0.2 -130.2 5 1406 07 59 00 08 08 00 --- 19 55 11 87.5 21.3 -0.1 -158.0 540 1475 07 59 01 08 18 00 CYG-A 20 05 12 87.5 -22.8 0.1 156.4 558 1475 08 18 00 08 27 00 --- 20 14 14 86.4 -48.4 0.2 129.4 540 1545 08 18 01 Schedule for GBT_VLBA (Code Gb ) 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 ---------------------------------------------------------------------------------------- --- Sun 8 Jun 2014 Day 159 --- ---------- GBT pointing scan. ---------- 08 31 00 BLLAC 20 18 15 69.7 70.5 -1.8 -92.3 10 1545 Stopped 08 37 00 --- 20 24 16 70.8 70.4 -1.7 -93.4 360 1545 08 38 00 BLLAC 20 25 16 71.0 70.3 -1.6 -93.6 39 1545 08 38 00 08 40 00 --- 20 27 16 71.4 70.2 -1.6 -94.0 120 1560 08 38 01 08 47 00 2013+370 20 34 17 86.2 252.9 0.3 70.1 87 1560 08 47 00 08 50 00 --- 20 37 18 85.6 255.6 0.4 72.4 180 1583 08 47 01 08 52 00 CYG-A 20 39 18 82.1 290.3 0.7 104.0 30 1583 08 52 00 09 01 00 --- 20 48 19 80.4 287.9 0.8 100.2 540 1653 08 52 01 ---------- GBT pointing scan. ---------- 09 03 00 2013+370 20 50 20 83.1 262.6 0.6 77.3 45 1653 Stopped 09 09 00 --- 20 56 21 82.0 264.5 0.7 78.3 360 1653 09 10 00 2013+370 20 57 21 81.8 264.8 0.7 78.4 39 1653 09 10 00 09 13 00 --- 21 00 21 81.2 265.6 0.7 78.8 180 1676 09 10 01 09 15 00 CYG-A 21 02 22 77.8 285.9 1.0 96.0 54 1676 09 15 00 09 24 00 --- 21 11 23 76.1 285.3 1.2 93.9 540 1746 09 15 01 09 30 00 2013+370 21 17 24 77.8 269.1 1.0 79.6 299 1746 09 30 00 09 33 00 --- 21 20 25 77.2 269.6 1.1 79.7 180 1769 09 30 01 09 34 00 CYG-A 21 21 25 74.2 284.9 1.4 91.9 2 1769 09 34 00 09 43 00 --- 21 30 26 72.5 284.8 1.5 90.3 540 1838 09 34 01 ---------- GBT pointing scan. ---------- 09 44 00 2013+370 21 31 27 75.1 271.2 1.3 79.6 5 1838 Stopped 09 50 00 --- 21 37 28 73.9 272.0 1.4 79.5 360 1838 09 52 00 2013+370 21 39 28 73.5 272.3 1.4 79.4 99 1838 09 52 00 09 55 00 --- 21 42 28 72.9 272.7 1.4 79.3 180 1862 09 52 01 09 56 00 CYG-A 21 43 29 70.0 284.9 1.7 88.3 8 1862 09 56 00 10 05 00 --- 21 52 30 68.3 285.1 1.9 87.0 540 1931 09 56 01 10 06 00 2013+370 21 53 30 70.8 274.0 1.6 78.9 9 1931 10 06 00 10 09 00 --- 21 56 31 70.2 274.4 1.7 78.8 180 1954 10 06 01 Schedule for GBT_VLBA (Code Gb ) 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 ---------------------------------------------------------------------------------------- --- Sun 8 Jun 2014 Day 159 --- 10 10 00 CYG-A 21 57 31 67.4 285.3 2.0 86.3 10 1954 10 10 00 10 19 00 --- 22 06 32 65.6 285.6 2.1 85.1 540 2024 10 10 01 ---------- GBT pointing scan. ---------- 10 22 00 BLLAC 22 09 33 85.9 343.7 0.1 162.7 46 2024 Stopped 10 28 00 --- 22 15 34 85.4 330.2 0.2 148.3 360 2024 10 29 00 BLLAC 22 16 34 85.3 328.3 0.2 146.1 34 2024 10 29 00 10 31 00 --- 22 18 34 85.1 324.7 0.3 142.2 120 2039 10 29 01 ---------- GBT pointing scan. ---------- 10 33 00 2013+370 22 20 35 65.5 277.0 2.1 77.6 8 2039 Stopped 10 39 00 --- 22 26 36 64.3 277.6 2.2 77.2 360 2039 10 40 00 2013+370 22 27 36 64.1 277.7 2.2 77.2 39 2039 10 40 00 10 43 00 --- 22 30 36 63.6 278.0 2.2 77.0 180 2063 10 40 01 10 45 00 CYG-A 22 32 37 60.7 286.8 2.5 81.9 73 2063 10 45 00 10 54 00 --- 22 41 38 59.1 287.3 2.7 80.9 540 2132 10 45 01 10 56 00 2013+370 22 43 38 61.0 279.3 2.5 76.1 74 2132 10 56 00 10 59 00 --- 22 46 39 60.4 279.6 2.5 76.0 180 2155 10 56 01 11 00 00 CYG-A 22 47 39 57.9 287.7 2.8 80.2 15 2155 11 00 00 11 09 00 --- 22 56 41 56.2 288.2 2.9 79.2 540 2225 11 00 01 ---------- GBT pointing scan. ---------- 11 12 00 2013+370 22 59 41 57.9 280.8 2.7 75.1 135 2225 Stopped 11 19 00 --- 23 06 42 56.6 281.5 2.8 74.6 420 2225 11 20 00 2013+370 23 07 42 56.4 281.6 2.9 74.5 39 2225 11 20 00 11 23 00 --- 23 10 43 55.8 281.9 2.9 74.3 180 2248 11 20 01 11 24 00 CYG-A 23 11 43 53.5 289.2 3.2 77.6 16 2248 11 24 00 11 33 00 --- 23 20 44 51.8 289.9 3.3 76.6 540 2318 11 24 01 11 34 00 2013+370 23 21 45 53.7 283.0 3.1 73.5 16 2318 11 34 00 11 37 00 --- 23 24 45 53.1 283.2 3.1 73.3 180 2341 11 34 01 11 38 00 CYG-A 23 25 45 50.9 290.2 3.4 76.1 16 2341 11 38 00 11 47 00 --- 23 34 47 49.2 290.9 3.6 75.1 540 2410 11 38 01 Schedule for GBT_VLBA (Code Gb ) Page 8 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 8 Jun 2014 Day 159 --- 11 48 00 2013+370 23 35 47 51.0 284.3 3.3 72.4 17 2410 11 48 00 11 51 00 --- 23 38 47 50.5 284.6 3.4 72.2 180 2434 11 48 01 11 52 00 CYG-A 23 39 48 48.3 291.3 3.7 74.6 17 2434 11 52 00 12 00 00 --- 23 47 49 46.8 291.9 3.8 73.7 480 2495 11 52 01 ---------- GBT pointing scan. ---------- 12 01 00 2013+370 23 48 49 48.6 285.5 3.5 71.4 17 2495 Stopped 12 07 00 --- 23 54 50 47.4 286.1 3.6 70.9 360 2495 12 08 00 2013+370 23 55 50 47.2 286.2 3.7 70.8 39 2495 12 08 00 12 11 00 --- 23 58 51 46.7 286.5 3.7 70.6 180 2519 12 08 01 12 12 00 CYG-A 23 59 51 44.7 292.8 4.0 72.4 18 2519 12 12 00 12 21 00 --- 00 08 52 43.0 293.6 4.1 71.5 540 2588 12 12 01 ---------- GBT pointing scan. ---------- 12 23 00 BLLAC 00 10 53 65.5 289.4 2.1 88.4 19 2588 Stopped 12 29 00 --- 00 16 54 64.4 289.5 2.2 87.5 360 2588 12 30 00 BLLAC 00 17 54 64.3 289.5 2.2 87.3 39 2588 12 30 00 12 32 00 --- 00 19 54 63.9 289.6 2.3 87.0 120 2604 12 30 01 ---------- GBT pointing scan. ---------- 12 34 00 2013+370 00 21 54 42.4 288.8 4.1 68.7 23 2604 Stopped 12 40 00 --- 00 27 55 41.3 289.3 4.2 68.2 360 2604 12 41 00 2013+370 00 28 56 41.1 289.4 4.2 68.1 39 2604 12 41 00 12 44 00 --- 00 31 56 40.5 289.7 4.3 67.8 180 2627 12 41 01 12 45 00 CYG-A 00 32 56 38.8 295.6 4.5 68.9 18 2627 12 45 00 12 54 00 --- 00 41 58 37.2 296.4 4.7 67.9 540 2696 12 45 01 12 55 00 2013+370 00 42 58 38.5 290.8 4.4 66.8 19 2696 12 55 00 12 58 00 --- 00 45 58 37.9 291.1 4.5 66.6 180 2720 12 55 01 13 00 00 CYG-A 00 47 59 36.1 296.9 4.8 67.2 79 2720 13 00 00 13 09 00 --- 00 57 00 34.5 297.8 5.0 66.2 540 2789 13 00 01 Schedule for GBT_VLBA (Code Gb ) Page 9 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 8 Jun 2014 Day 159 --- ---------- GBT pointing scan. ---------- 13 10 00 2013+370 00 58 00 35.8 292.4 4.7 65.5 19 2789 Stopped 13 16 00 --- 01 04 01 34.7 293.0 4.8 64.9 360 2789 13 17 00 2013+370 01 05 02 34.5 293.1 4.8 64.8 39 2789 13 17 00 13 20 00 --- 01 08 02 33.9 293.4 4.9 64.6 180 2812 13 17 01 13 21 00 CYG-A 01 09 02 32.5 298.9 5.2 64.9 19 2812 13 21 00 13 30 00 --- 01 18 04 30.9 299.8 5.3 63.9 540 2882 13 21 01 13 31 00 2013+370 01 19 04 32.0 294.5 5.1 63.5 19 2882 13 31 00 13 34 00 --- 01 22 04 31.4 294.8 5.1 63.2 180 2905 13 31 01 13 35 00 CYG-A 01 23 04 30.1 300.3 5.4 63.3 19 2905 13 35 00 13 44 00 --- 01 32 06 28.6 301.2 5.5 62.3 540 2975 13 35 01 ---------- GBT pointing scan. ---------- 13 45 00 2013+370 01 33 06 29.5 296.0 5.3 62.1 20 2975 Stopped 13 51 00 --- 01 39 07 28.4 296.7 5.4 61.6 360 2975 13 52 00 2013+370 01 40 07 28.3 296.8 5.4 61.5 39 2975 13 52 00 13 55 00 --- 01 43 08 27.7 297.1 5.5 61.1 180 2998 13 52 01 13 56 00 CYG-A 01 44 08 26.6 302.4 5.7 60.9 20 2998 13 56 00 14 05 00 --- 01 53 09 25.1 303.3 5.9 59.8 540 3067 13 56 01 14 06 00 2013+370 01 54 10 25.8 298.3 5.6 60.0 20 3067 14 06 00 14 09 00 --- 01 57 10 25.3 298.6 5.7 59.7 180 3091 14 06 01 14 10 00 CYG-A 01 58 10 24.2 303.8 6.0 59.2 20 3091 14 10 00 14 19 00 --- 02 07 12 22.8 304.8 6.1 58.1 540 3160 14 10 01 ---------- GBT pointing scan. ---------- 14 21 00 BLLAC 02 09 12 44.0 295.4 4.1 73.2 23 3160 Stopped 14 27 00 --- 02 15 13 43.0 295.8 4.2 72.5 360 3160 14 28 00 BLLAC 02 16 13 42.8 295.9 4.2 72.4 39 3160 14 28 00 14 30 00 --- 02 18 14 42.5 296.1 4.2 72.2 120 3176 14 28 01 Schedule for GBT_VLBA (Code Gb ) Page 10 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 8 Jun 2014 Day 159 --- ---------- GBT pointing scan. ---------- 14 32 00 2013+370 02 20 14 21.4 301.2 6.1 57.3 24 3176 Stopped 14 38 00 --- 02 26 15 20.4 301.9 6.2 56.6 360 3176 14 39 00 2013+370 02 27 15 20.2 302.1 6.2 56.5 39 3176 14 39 00 14 42 00 --- 02 30 16 19.7 302.4 6.2 56.2 180 3199 14 39 01 14 43 00 CYG-A 02 31 16 19.0 307.5 6.5 55.2 20 3199 14 43 00 14 52 00 --- 02 40 17 17.6 308.5 6.7 54.0 540 3268 14 43 01 14 53 00 2013+370 02 41 17 17.9 303.7 6.4 54.9 20 3268 14 53 00 14 56 00 --- 02 44 18 17.4 304.1 6.5 54.6 180 3291 14 53 01 14 57 00 CYG-A 02 45 18 16.8 309.1 6.8 53.4 20 3291 14 57 00 15 06 00 --- 02 54 19 15.5 310.2 6.9 52.2 540 3361 14 57 01 15 07 00 2013+370 02 55 20 15.6 305.4 6.7 53.3 20 3361 15 07 00 15 10 00 --- 02 58 20 15.2 305.8 6.7 52.9 180 3384 15 07 01 15 11 00 CYG-A 02 59 20 14.7 310.8 7.0 51.5 20 3384 15 11 00 15 20 00 --- 03 08 22 13.4 311.9 7.1 50.3 540 3454 15 11 01 ---------- GBT pointing scan. ---------- 15 21 00 2013+370 03 09 22 13.4 307.2 6.9 51.6 20 3454 Stopped 15 27 00 --- 03 15 23 12.5 308.0 7.0 50.9 360 3454 15 28 00 2013+370 03 16 23 12.3 308.1 7.0 50.7 39 3454 15 28 00 15 31 00 --- 03 19 24 11.9 308.5 7.1 50.4 180 3477 15 28 01 15 32 00 CYG-A 03 20 24 11.7 313.4 7.3 48.7 20 3477 15 32 00 15 41 00 --- 03 29 25 10.4 314.6 7.5 47.4 540 3547 15 32 01 15 42 00 2013+370 03 30 25 10.2 309.9 7.2 49.0 20 3547 15 42 00 15 45 00 --- 03 33 26 9.8 310.3 7.3 48.6 180 3570 15 42 01 15 46 00 CYG-A 03 34 26 9.7 315.3 7.6 46.7 20 3570 15 46 00 15 55 00 --- 03 43 27 8.5 316.5 7.7 45.4 540 3639 15 46 01 ---------- GBT pointing scan. ---------- 15 56 00 2013+370 03 44 28 8.1 311.8 7.5 47.1 21 3639 Stopped 16 02 00 --- 03 50 29 7.3 312.7 7.6 46.3 360 3639 Schedule for GBT_VLBA (Code Gb ) Page 11 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 8 Jun 2014 Day 159 --- 16 03 00 2013+370 03 51 29 7.1 312.8 7.6 46.2 39 3639 16 03 00 16 06 00 --- 03 54 29 6.7 313.2 7.6 45.8 180 3662 16 03 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ./sess214.Q1024 Matching groups in /aux/vlb056a/p459kri/sched-11.3/catalogs/freq_RDBE.dat: gbt7mm_c8 LO1=37.168, LO2=15.732, LO3=10.5 Setup group: 1 Station: GBT_VLBA 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 The following frequency sets based on these setups were used. Frequency Set: 8 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: 8 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 20 00 00.195809 167.68 * CYG-A 40 35 46.31273 * 40 44 02.04732 40 46 25.12046 120.15 CYGNUS-A /aux/vlb056a/p459kri/sched-11.3/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 02.683977 0.16 * 2013+370 37 01 44.45943 * 37 10 59.51531 37 13 39.55603 0.16 /aux/vlb056a/p459kri/sched-11.3/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 282 observations J2202+4216 22 00 39.362504 * 22 02 43.291371 22 03 20.430294 0.14 * BLLAC 42 02 08.59073 * 42 16 39.97987 42 20 44.72528 0.10 2200+420 /aux/vlb056a/p459kri/sched-11.3/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 ./sess214.Q1024 1 2 3 4 5 8 9 9.983 678.351 2013+370 ./sess214.Q1024 1 2 3 4 5 8 9 2.783 179.750 BLLAC ./sess214.Q1024 1 2 3 4 5 8 9 0.483 31.313 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 104.6 2013+370 105.0 BLLAC 85.4 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