COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: A second active nucleus in Cygnus A? Exp. Code: EB060A Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Uwe Bach Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121 Bonn Germany Phone: 0049-2257-301-168 EMAIL: ubach@mpifr-bonn.mpg.de Fax: 0049-2257-301-106 Phone during observation: 0049-2257-301-155 Observing mode: Notes: Use 2013+370 as fring tracer and BL Lac as 2nd calibrators COVER LETTER: This is the schedule for epoch A of EB060 at 1.3cm. It involves 15 antennas Jb2, Ef, Mc, Nt, On60, Tr, Ys, Sv, Zc, Bd, Hh, Mh, Kt, Ky, and Ku and runs at a standard 1 Gbps continuum mode. Gaps between scans are adjusted to allow time for Tsys measurements on source and some pointing time every 1.5 hours, because the observation happen during sunrise at Effelsberg. Fringe finders are 2013+370 and BL Lac. Schedule for ZELENCHK (Code Zc ) Page 2 A second active nucleus in 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2017 Day 68 --- Next scan frequencies: 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 Next BBC frequencies: 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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 04 00 00 CYG-A 17 54 25 66.7 446.5 -2.1 -72.1 0 0 04 00 00 04 10 00 --- 18 04 27 68.5 448.0 -1.9 -72.3 600 77 04 00 01 04 10 30 CYG-A 18 04 57 68.6 448.1 -1.9 -72.3 24 77 04 10 30 04 20 30 --- 18 14 59 70.4 449.7 -1.8 -72.4 600 154 04 10 31 04 21 30 2013+370 18 15 59 66.4 455.8 -2.0 -64.4 33 154 04 21 30 04 26 30 --- 18 21 00 67.3 456.9 -1.9 -64.2 300 192 04 21 31 04 27 30 CYG-A 18 22 00 71.7 451.0 -1.6 -72.4 33 192 04 27 30 04 37 30 --- 18 32 02 73.5 452.9 -1.5 -72.2 600 269 04 27 31 04 38 00 CYG-A 18 32 32 73.6 453.0 -1.5 -72.2 24 269 04 38 00 04 48 00 --- 18 42 33 75.4 455.2 -1.3 -71.7 600 346 04 38 01 04 48 30 CYG-A 18 43 03 75.5 455.3 -1.3 -71.7 24 346 04 48 30 04 58 30 --- 18 53 05 77.3 457.9 -1.1 -70.8 600 423 04 48 31 04 59 00 CYG-A 18 53 35 77.4 458.0 -1.1 -70.7 24 423 04 59 00 05 09 00 --- 19 03 37 79.2 461.2 -0.9 -69.2 600 500 04 59 01 05 09 30 CYG-A 19 04 07 79.2 461.4 -0.9 -69.1 24 500 05 09 30 05 19 30 --- 19 14 08 81.0 465.6 -0.8 D -66.7 0 577 05 09 31 ---------- 5-min gap for pointing ---------- 05 36 45 BLLAC 19 31 26 62.5 439.6 -2.5 -73.9 979 577 05 36 45 05 41 45 --- 19 36 27 63.3 440.2 -2.4 -74.3 300 615 05 36 46 06 58 00 CYG-A 20 52 55 79.8 617.4 0.9 68.5 4503 615 06 58 00 07 08 00 --- 21 02 56 78.0 620.9 1.0 70.3 600 692 06 58 01 07 08 30 CYG-A 21 03 26 77.9 621.0 1.1 70.3 24 692 07 08 30 07 18 30 --- 21 13 28 76.1 623.8 1.2 71.4 600 769 07 08 31 07 19 00 CYG-A 21 13 58 76.0 623.9 1.2 71.4 24 769 07 19 00 07 29 00 --- 21 24 00 74.2 626.3 1.4 72.0 600 846 07 19 01 Schedule for ZELENCHK (Code Zc ) Page 3 A second active nucleus in 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2017 Day 68 --- 07 29 30 CYG-A 21 24 30 74.1 626.4 1.4 72.1 24 846 07 29 30 07 39 30 --- 21 34 31 72.3 628.4 1.6 72.4 600 923 07 29 31 07 40 00 CYG-A 21 35 02 72.2 628.5 1.6 72.4 24 923 07 40 00 07 50 00 --- 21 45 03 70.4 630.3 1.8 72.4 600 1000 07 40 01 07 50 30 CYG-A 21 45 33 70.3 630.4 1.8 72.4 24 1000 07 50 30 08 00 30 --- 21 55 35 68.5 632.0 1.9 72.3 600 1077 07 50 31 08 15 39 CYG-A 22 10 46 65.8 634.3 2.2 71.9 902 1077 08 15 39 08 25 39 --- 22 20 48 64.0 635.7 2.3 71.6 600 1154 08 15 40 08 26 09 CYG-A 22 21 18 63.9 635.7 2.4 71.5 24 1154 08 26 09 08 36 09 --- 22 31 19 62.1 637.1 2.5 71.1 600 1231 08 26 10 08 36 39 CYG-A 22 31 49 62.0 637.1 2.5 71.1 24 1231 08 36 39 08 46 39 --- 22 41 51 60.2 638.4 2.7 70.6 600 1308 08 36 40 08 47 09 CYG-A 22 42 21 60.1 638.5 2.7 70.5 24 1308 08 47 09 08 57 09 --- 22 52 23 58.3 639.7 2.9 70.0 600 1385 08 47 10 08 57 39 CYG-A 22 52 53 58.3 639.8 2.9 70.0 24 1385 08 57 39 09 07 39 --- 23 02 54 56.5 641.0 3.0 69.3 600 1462 08 57 40 09 08 09 CYG-A 23 03 25 56.4 641.1 3.1 69.3 24 1462 09 08 09 09 18 09 --- 23 13 26 54.6 642.3 3.2 68.7 600 1538 09 08 10 ---------- 6-min gap for pointing ---------- 09 24 09 2013+370 23 19 27 55.0 635.3 3.1 64.5 330 1538 09 24 09 09 29 09 --- 23 24 28 54.1 636.0 3.1 64.4 300 1577 09 24 10 09 30 28 CYG-A 23 25 47 52.4 643.7 3.4 67.8 50 1577 09 30 28 09 40 28 --- 23 35 49 50.7 644.9 3.6 67.1 600 1654 09 30 29 09 40 58 CYG-A 23 36 19 50.6 645.0 3.6 67.1 24 1654 09 40 58 09 50 58 --- 23 46 21 48.9 646.1 3.8 66.3 600 1731 09 40 59 09 51 28 CYG-A 23 46 51 48.8 646.2 3.8 66.3 24 1731 09 51 28 10 01 28 --- 23 56 53 47.0 647.4 3.9 65.5 600 1808 09 51 29 10 01 58 CYG-A 23 57 23 47.0 647.4 4.0 65.5 24 1808 10 01 58 10 11 58 --- 00 07 24 45.2 648.6 4.1 64.7 600 1885 10 01 59 Schedule for ZELENCHK (Code Zc ) Page 4 A second active nucleus in 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2017 Day 68 --- 10 12 28 CYG-A 00 07 54 45.1 648.6 4.1 64.6 24 1885 10 12 28 10 22 28 --- 00 17 56 43.4 649.8 4.3 63.8 600 1962 10 12 29 10 22 58 CYG-A 00 18 26 43.4 649.8 4.3 63.7 24 1962 10 22 58 10 32 58 --- 00 28 28 41.7 651.0 4.5 62.9 600 2038 10 22 59 ---------- 6-min gap for pointing ---------- 10 38 58 2013+370 00 34 29 41.7 645.6 4.3 60.9 333 2038 10 38 58 10 43 58 --- 00 39 30 40.8 646.2 4.4 60.5 300 2077 10 38 59 10 45 00 CYG-A 00 40 32 39.6 652.4 4.7 61.8 35 2077 10 45 00 10 55 00 --- 00 50 33 38.0 653.6 4.8 60.9 600 2154 10 45 01 10 55 30 CYG-A 00 51 03 37.9 653.6 4.9 60.9 24 2154 10 55 30 11 05 30 --- 01 01 05 36.2 654.8 5.0 59.9 600 2231 10 55 31 11 06 00 CYG-A 01 01 35 36.2 654.8 5.0 59.9 24 2231 11 06 00 11 16 00 --- 01 11 37 34.5 656.0 5.2 58.9 600 2308 11 06 01 11 16 30 CYG-A 01 12 07 34.4 656.1 5.2 58.9 24 2308 11 16 30 11 26 30 --- 01 22 08 32.8 657.3 5.4 57.9 600 2385 11 16 31 11 27 00 CYG-A 01 22 38 32.7 657.3 5.4 57.9 24 2385 11 27 00 11 37 00 --- 01 32 40 31.1 658.5 5.5 56.9 600 2462 11 27 01 11 37 30 CYG-A 01 33 10 31.1 658.6 5.6 56.8 24 2462 11 37 30 11 47 30 --- 01 43 12 29.5 659.8 5.7 55.8 600 2538 11 37 31 ---------- 6-min gap for pointing ---------- 11 53 30 2013+370 01 49 13 29.1 655.2 5.6 55.1 334 2538 11 53 30 11 58 30 --- 01 54 14 28.3 655.9 5.6 54.7 300 2577 11 53 31 11 59 30 CYG-A 01 55 14 27.6 661.3 5.9 54.5 34 2577 11 59 30 12 09 30 --- 02 05 15 26.1 662.6 6.1 53.5 600 2654 11 59 31 12 10 00 CYG-A 02 05 45 26.0 662.6 6.1 53.4 24 2654 12 10 00 12 20 00 --- 02 15 47 24.5 663.9 6.3 52.3 600 2731 12 10 01 12 20 30 CYG-A 02 16 17 24.4 664.0 6.3 52.3 24 2731 12 20 30 12 30 30 --- 02 26 19 22.9 665.2 6.4 51.1 600 2808 12 20 31 12 31 00 CYG-A 02 26 49 22.8 665.3 6.4 51.1 24 2808 12 31 00 12 41 00 --- 02 36 51 21.4 666.6 6.6 49.9 600 2885 12 31 01 Schedule for ZELENCHK (Code Zc ) Page 5 A second active nucleus in 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2017 Day 68 --- 12 41 30 CYG-A 02 37 21 21.3 666.7 6.6 49.9 24 2885 12 41 30 12 51 30 --- 02 47 22 19.9 668.0 6.8 48.7 600 2962 12 41 31 12 52 00 CYG-A 02 47 52 19.8 668.1 6.8 48.6 24 2962 12 52 00 13 02 00 --- 02 57 54 18.4 669.4 7.0 47.4 600 3038 12 52 01 ---------- 6-min gap for pointing ---------- 13 08 00 2013+370 03 03 55 17.4 665.3 6.8 47.8 335 3038 13 08 00 13 13 00 --- 03 08 56 16.7 666.0 6.9 47.2 300 3077 13 08 01 13 14 00 CYG-A 03 09 56 16.7 671.0 7.2 46.0 35 3077 13 14 00 13 24 00 --- 03 19 58 15.4 672.4 7.3 44.7 600 3154 13 14 01 13 24 30 CYG-A 03 20 28 15.3 672.5 7.3 44.7 24 3154 13 24 30 13 33 00 --- 03 28 59 14.2 673.7 7.5 43.6 510 3219 13 24 31 13 33 30 CYG-A 03 29 29 14.1 673.8 7.5 43.5 24 3219 13 33 30 13 42 00 --- 03 38 01 13.0 675.0 7.6 42.4 510 3285 13 33 31 13 42 30 CYG-A 03 38 31 13.0 675.1 7.6 42.3 24 3285 13 42 30 13 51 00 --- 03 47 02 11.9 676.3 7.8 41.2 510 3350 13 42 31 13 51 30 CYG-A 03 47 32 11.8 676.4 7.8 41.1 24 3350 13 51 30 14 00 00 --- 03 56 04 10.8 677.6 7.9 40.0 510 3415 13 51 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess117.K1024 Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: kvzr_k Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK 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= 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 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 = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 8 Setup file default. Used with PCAL = off LO sum= 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 BBC fr= 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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: 8 9 10 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) CYGNUS-A 19 57 44.440804 * 19 59 28.356482 20 00 02.828353 0.80 J1959+4044 40 35 46.36249 * 40 44 02.09630 40 46 44.12306 0.53 * CYG-A /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc.2015feb J1959+40 GSFC 2015a astro solution, unpublished 27 observations. 1957+405 1957+404 * 2013+370 20 13 37.014511 * 20 15 28.729797 20 16 05.839219 0.13 J2015+3710 37 01 44.45895 * 37 10 59.51482 37 14 02.44324 0.18 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc.2015feb GSFC 2015a astro solution, unpublished 131 observations. VR422201 22 00 39.362505 * 22 02 43.291372 22 03 24.328092 0.00 J2202+4216 42 02 08.59077 * 42 16 39.97990 42 21 32.31957 0.00 * BLLAC /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc.2015feb 2200+420 GSFC 2015a astro solution, unpublished 51226 observations. J2202+42 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 sess117.K1024 1 2 3 4 5 6 7 8 11 12 13 8.067 575.499 2013+370 sess117.K1024 1 2 3 4 5 6 7 8 11 12 13 0.500 34.833 BLLAC sess117.K1024 1 2 3 4 5 6 7 8 11 12 13 0.167 15.167 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 64.1 2013+370 59.5 BLLAC 49.8 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