COVER INFORMATION Station: KVNTN (Code Kt ) 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 KVNTN (Code Kt ) 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 ---------------------------------------------------------------------------------------- --- Sat 7 Jun 2014 Day 158 --- 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 21 00 00 2013+370 22 30 33 62.4 -72.2 2.2 88.0 0 0 21 00 00 21 03 00 --- 22 33 33 61.8 -72.1 2.3 87.6 180 23 21 00 01 21 04 00 CYG-A 22 34 34 58.5 -64.9 2.6 91.2 55 23 21 04 00 21 13 00 --- 22 43 35 56.8 -64.9 2.7 89.7 540 92 21 04 01 21 19 00 2013+370 22 49 36 58.6 -71.7 2.6 85.5 355 92 21 19 00 21 22 00 --- 22 52 37 58.0 -71.6 2.6 85.1 180 115 21 19 01 21 23 00 CYG-A 22 53 37 54.9 -64.9 2.9 88.1 55 115 21 23 00 21 32 00 --- 23 02 38 53.2 -64.8 3.0 86.7 540 185 21 23 01 21 38 00 2013+370 23 08 39 54.8 -71.1 2.9 83.2 355 185 21 38 00 21 41 00 --- 23 11 40 54.3 -70.9 2.9 82.9 180 208 21 38 01 21 42 00 CYG-A 23 12 40 51.3 -64.5 3.2 85.3 55 208 21 42 00 21 51 00 --- 23 21 41 49.6 -64.3 3.4 84.0 540 277 21 42 01 21 57 00 2013+370 23 27 42 51.1 -70.2 3.2 81.0 355 277 21 57 00 22 00 00 --- 23 30 43 50.5 -70.0 3.2 80.7 180 300 21 57 01 22 01 00 CYG-A 23 31 43 47.7 -64.0 3.5 82.6 55 300 22 01 00 22 10 00 --- 23 40 44 46.0 -63.6 3.7 81.4 540 369 22 01 01 22 16 00 2013+370 23 46 45 47.4 -69.2 3.5 78.9 355 369 22 16 00 22 19 00 --- 23 49 46 46.8 -69.0 3.6 78.6 180 392 22 16 01 22 20 00 CYG-A 23 50 46 44.2 -63.2 3.8 80.1 55 392 22 20 00 22 29 00 --- 23 59 48 42.5 -62.7 4.0 78.9 540 462 22 20 01 22 36 00 BLLAC 00 06 49 64.2 -60.5 2.1 100.3 409 462 22 36 00 22 38 00 --- 00 08 49 63.8 -60.6 2.1 99.8 120 477 22 36 01 22 45 00 2013+370 00 15 50 41.7 -67.4 4.0 75.7 410 477 22 45 00 22 48 00 --- 00 18 51 41.1 -67.2 4.0 75.4 180 500 22 45 01 22 49 00 CYG-A 00 19 51 38.8 -61.7 4.3 76.3 55 500 22 49 00 22 58 00 --- 00 28 52 37.1 -61.1 4.5 75.2 540 569 22 49 01 Schedule for KVNTN (Code Kt ) 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 ---------------------------------------------------------------------------------------- --- Sat 7 Jun 2014 Day 158 --- 23 04 00 2013+370 00 34 53 38.1 -66.1 4.3 73.7 355 569 23 04 00 23 07 00 --- 00 37 54 37.5 -65.9 4.4 73.4 180 592 23 04 01 23 08 00 CYG-A 00 38 54 35.3 -60.5 4.6 73.9 55 592 23 08 00 23 17 00 --- 00 47 55 33.7 -59.9 4.8 72.8 540 662 23 08 01 23 23 00 2013+370 00 53 56 34.4 -64.7 4.6 71.6 355 662 23 23 00 23 26 00 --- 00 56 57 33.9 -64.5 4.7 71.3 180 685 23 23 01 23 27 00 CYG-A 00 57 57 31.9 -59.2 5.0 71.5 55 685 23 27 00 23 36 00 --- 01 06 59 30.2 -58.6 5.1 70.4 540 754 23 27 01 23 42 00 2013+370 01 13 00 30.9 -63.2 4.9 69.6 355 754 23 42 00 23 45 00 --- 01 16 00 30.3 -63.0 5.0 69.2 180 777 23 42 01 23 46 00 CYG-A 01 17 00 28.5 -57.8 5.3 69.1 55 777 23 46 00 23 55 00 --- 01 26 02 26.9 -57.1 5.4 67.9 540 846 23 46 01 --- Sun 8 Jun 2014 Day 159 --- 00 01 00 2013+370 01 32 03 27.3 -61.6 5.3 67.5 355 846 00 01 00 00 04 00 --- 01 35 03 26.8 -61.4 5.3 67.1 180 869 00 01 01 00 05 00 CYG-A 01 36 03 25.1 -56.3 5.6 66.7 55 869 00 05 00 00 14 00 --- 01 45 05 23.6 -55.5 5.8 65.5 540 938 00 05 01 00 21 00 BLLAC 01 52 06 44.8 -61.1 3.8 81.9 409 938 00 21 00 00 23 00 --- 01 54 06 44.4 -61.0 3.8 81.6 120 954 00 21 01 00 30 00 2013+370 02 01 07 22.0 -59.0 5.8 64.2 410 954 00 30 00 00 33 00 --- 02 04 08 21.5 -58.7 5.8 63.8 180 977 00 30 01 00 34 00 CYG-A 02 05 08 20.1 -53.7 6.1 62.9 55 977 00 34 00 00 43 00 --- 02 14 10 18.6 -52.9 6.2 61.7 540 1046 00 34 01 00 49 00 2013+370 02 20 11 18.7 -57.2 6.1 61.9 355 1046 00 49 00 00 52 00 --- 02 23 11 18.1 -56.9 6.1 61.5 180 1069 00 49 01 00 53 00 CYG-A 02 24 11 17.0 -51.9 6.4 60.4 55 1069 00 53 00 01 02 00 --- 02 33 13 15.5 -51.0 6.6 59.1 540 1138 00 53 01 01 08 00 2013+370 02 39 14 15.4 -55.2 6.4 59.6 355 1138 01 08 00 01 11 00 --- 02 42 14 14.8 -54.9 6.4 59.2 180 1162 01 08 01 Schedule for KVNTN (Code Kt ) 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 --- 01 12 00 CYG-A 02 43 14 13.9 -50.0 6.7 57.8 55 1162 01 12 00 01 21 00 --- 02 52 16 12.4 -49.1 6.9 56.5 540 1231 01 12 01 01 27 00 2013+370 02 58 17 12.1 -53.2 6.7 57.2 355 1231 01 27 00 01 30 00 --- 03 01 17 11.6 -52.9 6.8 56.8 180 1254 01 27 01 12 01 00 CYG-A 13 34 01 16.7 51.8 -6.4 -60.1 37855 1254 12 01 00 12 07 00 --- 13 40 02 17.7 52.3 -6.3 -60.9 360 1300 12 01 01 12 08 00 2013+370 13 41 02 13.3 54.0 -6.6 -58.1 55 1300 12 08 00 12 11 00 --- 13 44 03 13.9 54.3 -6.5 -58.5 180 1323 12 08 01 12 12 00 CYG-A 13 45 03 18.5 52.8 -6.2 -61.6 55 1323 12 12 00 12 21 00 --- 13 54 04 20.0 53.7 -6.1 -62.8 540 1392 12 12 01 12 22 00 CYG-A 13 55 04 20.2 53.8 -6.1 -62.9 58 1392 12 22 00 12 28 00 --- 14 01 05 21.2 54.3 -6.0 -63.7 360 1438 12 22 01 12 41 00 2013+370 14 14 07 19.1 57.4 -6.0 -62.2 776 1438 12 41 00 12 44 00 --- 14 17 08 19.6 57.7 -6.0 -62.5 180 1462 12 41 01 12 45 00 CYG-A 14 18 08 24.1 55.8 -5.7 -65.9 56 1462 12 45 00 12 54 00 --- 14 27 10 25.7 56.6 -5.5 -67.1 540 1531 12 45 01 12 55 00 2013+370 14 28 10 21.5 58.7 -5.8 -63.8 56 1531 12 55 00 12 58 00 --- 14 31 10 22.1 59.0 -5.7 -64.2 180 1554 12 55 01 13 00 00 CYG-A 14 33 11 26.7 57.0 -5.4 -67.8 116 1554 13 00 00 13 09 00 --- 14 42 12 28.3 57.7 -5.3 -69.0 540 1623 13 00 01 13 10 00 CYG-A 14 43 12 28.5 57.8 -5.3 -69.1 58 1623 13 10 00 13 16 00 --- 14 49 13 29.6 58.3 -5.2 -69.9 360 1669 13 10 01 13 17 00 2013+370 14 50 13 25.5 60.8 -5.4 -66.4 56 1669 13 17 00 13 20 00 --- 14 53 14 26.1 61.0 -5.4 -66.7 180 1692 13 17 01 13 21 00 CYG-A 14 54 14 30.5 58.7 -5.1 -70.5 56 1692 13 21 00 13 30 00 --- 15 03 16 32.1 59.3 -4.9 -71.6 540 1762 13 21 01 13 31 00 2013+370 15 04 16 28.1 62.0 -5.2 -67.9 56 1762 13 31 00 13 34 00 --- 15 07 16 28.7 62.2 -5.1 -68.3 180 1785 13 31 01 13 35 00 CYG-A 15 08 16 33.0 59.6 -4.9 -72.3 56 1785 13 35 00 13 44 00 --- 15 17 18 34.6 60.3 -4.7 -73.4 540 1854 13 35 01 Schedule for KVNTN (Code Kt ) 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 --- 13 45 00 CYG-A 15 18 18 34.8 60.3 -4.7 -73.5 58 1854 13 45 00 13 51 00 --- 15 24 19 35.9 60.7 -4.6 -74.3 360 1900 13 45 01 13 52 00 2013+370 15 25 19 32.0 63.7 -4.8 -70.3 56 1900 13 52 00 13 55 00 --- 15 28 20 32.6 63.9 -4.8 -70.6 180 1923 13 52 01 13 56 00 CYG-A 15 29 20 36.8 61.0 -4.5 -74.9 56 1923 13 56 00 14 05 00 --- 15 38 21 38.5 61.6 -4.4 -76.1 540 1992 13 56 01 14 06 00 2013+370 15 39 21 34.7 64.8 -4.6 -71.8 56 1992 14 06 00 14 09 00 --- 15 42 22 35.2 65.0 -4.6 -72.1 180 2015 14 06 01 14 10 00 CYG-A 15 43 22 39.4 61.8 -4.3 -76.7 56 2015 14 10 00 14 19 00 --- 15 52 24 41.0 62.3 -4.1 -77.9 540 2085 14 10 01 14 20 00 CYG-A 15 53 24 41.2 62.4 -4.1 -78.0 58 2085 14 20 00 14 26 00 --- 15 59 25 42.3 62.7 -4.0 -78.8 360 2131 14 20 01 14 28 00 BLLAC 16 01 25 21.4 52.5 -6.0 -63.9 110 2131 14 28 00 14 30 00 --- 16 03 25 21.7 52.7 -6.0 -64.1 120 2146 14 28 01 14 31 00 BLLAC 16 04 26 21.9 52.8 -6.0 -64.3 58 2146 14 31 00 14 33 00 --- 16 06 26 22.2 53.0 -5.9 -64.5 120 2162 14 31 01 14 39 00 2013+370 16 12 27 41.0 67.2 -4.1 -75.3 351 2162 14 39 00 14 42 00 --- 16 15 27 41.6 67.3 -4.0 -75.7 180 2185 14 39 01 14 43 00 CYG-A 16 16 28 45.5 63.5 -3.7 -81.0 56 2185 14 43 00 14 52 00 --- 16 25 29 47.2 63.8 -3.6 -82.2 540 2254 14 43 01 14 53 00 2013+370 16 26 29 43.7 68.1 -3.8 -76.9 56 2254 14 53 00 14 56 00 --- 16 29 30 44.3 68.2 -3.8 -77.2 180 2277 14 53 01 14 57 00 CYG-A 16 30 30 48.2 64.0 -3.5 -82.9 56 2277 14 57 00 15 06 00 --- 16 39 31 49.8 64.3 -3.3 -84.2 540 2346 14 57 01 15 07 00 2013+370 16 40 31 46.4 68.9 -3.6 -78.4 55 2346 15 07 00 15 10 00 --- 16 43 32 47.0 69.1 -3.5 -78.7 180 2369 15 07 01 15 11 00 CYG-A 16 44 32 50.8 64.5 -3.3 -84.9 55 2369 15 11 00 15 20 00 --- 16 53 34 52.5 64.7 -3.1 -86.2 540 2438 15 11 01 15 21 00 CYG-A 16 54 34 52.7 64.7 -3.1 -86.3 58 2438 15 21 00 15 27 00 --- 17 00 35 53.8 64.8 -3.0 -87.2 360 2485 15 21 01 Schedule for KVNTN (Code Kt ) 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 --- 15 28 00 2013+370 17 01 35 50.5 70.1 -3.2 -80.7 55 2485 15 28 00 15 31 00 --- 17 04 35 51.1 70.2 -3.2 -81.0 180 2508 15 28 01 15 32 00 CYG-A 17 05 36 54.8 64.9 -2.9 -88.0 55 2508 15 32 00 15 41 00 --- 17 14 37 56.5 64.9 -2.8 -89.4 540 2577 15 32 01 15 42 00 2013+370 17 15 37 53.3 70.7 -3.0 -82.3 55 2577 15 42 00 15 45 00 --- 17 18 38 53.9 70.9 -3.0 -82.6 180 2600 15 42 01 15 46 00 CYG-A 17 19 38 57.4 65.0 -2.7 -90.2 55 2600 15 46 00 15 55 00 --- 17 28 39 59.1 64.9 -2.5 -91.7 540 2669 15 46 01 15 56 00 CYG-A 17 29 40 59.3 64.9 -2.5 -91.9 58 2669 15 56 00 16 02 00 --- 17 35 41 60.5 64.8 -2.4 -93.0 360 2715 15 56 01 16 03 00 2013+370 17 36 41 57.5 71.6 -2.7 -84.8 55 2715 16 03 00 16 06 00 --- 17 39 41 58.1 71.7 -2.6 -85.2 180 2738 16 03 01 16 07 00 CYG-A 17 40 41 61.4 64.7 -2.3 -93.9 55 2738 16 07 00 16 16 00 --- 17 49 43 63.1 64.4 -2.2 -95.6 540 2808 16 07 01 16 18 00 BLLAC 17 51 43 40.6 60.1 -4.2 -78.7 109 2808 16 18 00 16 20 00 --- 17 53 43 41.0 60.2 -4.2 -78.9 120 2823 16 18 01 16 22 00 2013+370 17 55 44 61.3 72.1 -2.3 -87.2 110 2823 16 22 00 16 25 00 --- 17 58 44 61.9 72.1 -2.3 -87.6 180 2846 16 22 01 16 26 00 CYG-A 17 59 44 65.0 63.9 -2.0 -97.7 54 2846 16 26 00 16 35 00 --- 18 08 46 66.7 63.2 -1.9 -99.8 540 2915 16 26 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 --- 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: 15 Station: KVNTN 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: 5 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: 5 6 7 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 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