COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: A second active nucleus in Cygnus A? Exp. Code: EB060B Schedule Version: 3.00 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 B of EB060 at 18cm. It involves 14 antennas Jb2, Ef, Wb, Mc, On85, T6, Ur, Tr, Sv, Zc, Bd, Hh, Ir, and Ro and runs at a standard 1 Gbps continuum mode. 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 ---------------------------------------------------------------------------------------- --- Sat 27 May 2017 Day 147 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 350.49 350.49 350.49 350.49 382.49 382.49 382.49 382.49 414.49 414.49 414.49 414.49 446.49 446.49 446.49 446.49 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 22 30 00 CYG-A 17 38 56 63.9 444.3 -2.4 -71.6 0 0 22 30 00 22 40 00 --- 17 48 57 65.7 445.7 -2.2 -71.9 600 77 22 30 01 22 40 30 CYG-A 17 49 27 65.8 445.7 -2.2 -71.9 24 77 22 40 30 22 50 30 --- 17 59 29 67.6 447.2 -2.0 -72.2 600 154 22 40 31 22 51 30 2013+370 18 00 29 63.6 452.6 -2.3 -64.9 34 154 22 51 30 22 56 30 --- 18 05 30 64.5 453.6 -2.2 -64.8 300 192 22 51 31 22 57 30 CYG-A 18 06 30 68.9 448.3 -1.9 -72.4 34 192 22 57 30 23 07 30 --- 18 16 32 70.7 450.0 -1.7 -72.4 600 269 22 57 31 23 08 00 CYG-A 18 17 02 70.8 450.1 -1.7 -72.4 24 269 23 08 00 23 18 00 --- 18 27 03 72.6 451.9 -1.6 -72.3 600 346 23 08 01 23 18 30 CYG-A 18 27 34 72.7 452.0 -1.5 -72.3 24 346 23 18 30 23 28 30 --- 18 37 35 74.5 454.0 -1.4 -72.0 600 423 23 18 31 23 29 00 CYG-A 18 38 05 74.6 454.2 -1.4 -72.0 24 423 23 29 00 23 39 00 --- 18 48 07 76.4 456.5 -1.2 -71.3 600 500 23 29 01 23 39 30 CYG-A 18 48 37 76.5 456.7 -1.2 -71.2 24 500 23 39 30 23 49 30 --- 18 58 39 78.3 459.6 -1.0 -70.1 600 577 23 39 31 23 50 00 CYG-A 18 59 09 78.4 459.7 -1.0 -70.0 24 577 23 50 00 23 59 59 --- 19 09 10 80.1 463.3 -0.8 D -68.1 0 654 23 50 01 --- Sun 28 May 2017 Day 148 --- 00 44 00 BLLAC 19 53 18 66.3 442.1 -2.2 -75.4 2582 654 00 44 00 00 49 00 --- 19 58 18 67.2 442.7 -2.1 -75.7 300 692 00 44 01 01 33 00 CYG-A 20 42 26 81.6 612.6 0.7 D 65.5 2513 692 01 33 00 01 43 00 --- 20 52 27 79.9 617.2 0.9 68.4 0 769 01 33 01 01 43 30 CYG-A 20 52 57 79.8 617.4 0.9 68.5 24 769 01 43 30 01 53 30 --- 21 02 59 78.0 620.9 1.0 70.3 600 846 01 43 31 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 ---------------------------------------------------------------------------------------- --- Sun 28 May 2017 Day 148 --- 01 54 00 CYG-A 21 03 29 77.9 621.1 1.1 70.4 24 846 01 54 00 02 04 00 --- 21 13 31 76.1 623.8 1.2 71.4 600 923 01 54 01 02 04 30 CYG-A 21 14 01 76.0 623.9 1.2 71.5 24 923 02 04 30 02 14 30 --- 21 24 02 74.2 626.3 1.4 72.1 600 1000 02 04 31 02 15 30 2013+370 21 25 03 75.4 609.2 1.1 58.0 18 1000 02 15 30 02 20 30 --- 21 30 03 74.5 611.2 1.2 59.2 300 1038 02 15 31 02 21 30 CYG-A 21 31 04 73.0 627.7 1.5 72.3 19 1038 02 21 30 02 31 30 --- 21 41 05 71.2 629.6 1.7 72.4 600 1115 02 21 31 02 32 00 CYG-A 21 41 35 71.1 629.7 1.7 72.4 24 1115 02 32 00 02 42 00 --- 21 51 37 69.3 631.4 1.9 72.4 600 1192 02 32 01 02 42 30 CYG-A 21 52 07 69.2 631.4 1.9 72.4 24 1192 02 42 30 02 52 30 --- 22 02 09 67.4 633.0 2.0 72.2 600 1269 02 42 31 02 53 00 CYG-A 22 02 39 67.3 633.1 2.0 72.2 24 1269 02 53 00 03 03 00 --- 22 12 40 65.5 634.5 2.2 71.9 600 1346 02 53 01 03 03 30 CYG-A 22 13 11 65.4 634.6 2.2 71.9 24 1346 03 03 30 03 13 30 --- 22 23 12 63.6 636.0 2.4 71.5 600 1423 03 03 31 03 14 00 CYG-A 22 23 42 63.5 636.1 2.4 71.5 24 1423 03 14 00 03 24 00 --- 22 33 44 61.7 637.4 2.6 71.0 600 1500 03 14 01 03 24 30 CYG-A 22 34 14 61.6 637.4 2.6 71.0 24 1500 03 24 30 03 34 30 --- 22 44 16 59.8 638.7 2.7 70.4 600 1577 03 24 31 03 35 00 CYG-A 22 44 46 59.7 638.8 2.7 70.4 24 1577 03 35 00 03 45 00 --- 22 54 47 57.9 640.0 2.9 69.8 600 1654 03 35 01 03 45 30 CYG-A 22 55 17 57.8 640.1 2.9 69.8 24 1654 03 45 30 03 55 30 --- 23 05 19 56.1 641.3 3.1 69.2 600 1731 03 45 31 03 57 00 2013+370 23 06 49 57.3 633.4 2.8 64.8 60 1731 03 57 00 04 02 00 --- 23 11 50 56.4 634.1 2.9 64.7 300 1769 03 57 01 04 03 30 CYG-A 23 13 20 54.6 642.3 3.2 68.7 60 1769 04 03 30 04 13 30 --- 23 23 22 52.9 643.5 3.4 68.0 600 1846 04 03 31 04 14 00 CYG-A 23 23 52 52.8 643.5 3.4 68.0 24 1846 04 14 00 04 24 00 --- 23 33 54 51.0 644.7 3.6 67.2 600 1923 04 14 01 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 ---------------------------------------------------------------------------------------- --- Sun 28 May 2017 Day 148 --- 04 24 30 CYG-A 23 34 24 50.9 644.7 3.6 67.2 24 1923 04 24 30 04 34 30 --- 23 44 25 49.2 645.9 3.7 66.5 600 2000 04 24 31 04 35 00 CYG-A 23 44 56 49.1 646.0 3.7 66.4 24 2000 04 35 00 04 45 00 --- 23 54 57 47.4 647.1 3.9 65.7 600 2077 04 35 01 04 45 30 CYG-A 23 55 27 47.3 647.2 3.9 65.6 24 2077 04 45 30 04 55 30 --- 00 05 29 45.6 648.3 4.1 64.8 600 2154 04 45 31 04 56 00 CYG-A 00 05 59 45.5 648.4 4.1 64.8 24 2154 04 56 00 05 06 00 --- 00 16 01 43.8 649.6 4.3 63.9 600 2231 04 56 01 05 11 00 BLLAC 00 21 01 65.0 638.8 2.3 74.9 241 2231 05 11 00 05 16 00 --- 00 26 02 64.1 639.3 2.4 74.6 300 2269 05 11 01 05 21 00 CYG-A 00 31 03 41.2 651.3 4.5 62.7 241 2269 05 21 00 05 30 00 --- 00 40 05 39.7 652.3 4.7 61.9 540 2338 05 21 01 05 30 30 CYG-A 00 40 35 39.6 652.4 4.7 61.8 24 2338 05 30 30 05 40 00 --- 00 50 06 38.0 653.5 4.8 61.0 570 2412 05 30 31 05 40 30 CYG-A 00 50 36 38.0 653.6 4.8 60.9 24 2412 05 40 30 05 50 00 --- 01 00 08 36.4 654.7 5.0 60.0 570 2485 05 40 31 05 50 30 CYG-A 01 00 38 36.3 654.7 5.0 60.0 24 2485 05 50 30 06 00 00 --- 01 10 10 34.8 655.9 5.2 59.1 570 2558 05 50 31 06 00 30 CYG-A 01 10 40 34.7 655.9 5.2 59.0 24 2558 06 00 30 06 10 00 --- 01 20 11 33.1 657.0 5.3 58.1 570 2631 06 00 31 06 10 30 CYG-A 01 20 41 33.1 657.1 5.3 58.1 24 2631 06 10 30 06 20 00 --- 01 30 13 31.5 658.2 5.5 57.1 570 2704 06 10 31 06 20 30 CYG-A 01 30 43 31.5 658.3 5.5 57.1 24 2704 06 20 30 06 30 00 --- 01 40 14 30.0 659.5 5.7 56.1 570 2777 06 20 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess217.L1024 Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: kvzr_l passed by Alexey Melnikov, Mar2014 ****** Only 251.02 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 3 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= 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 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: 9 Setup file default. Used with PCAL = off LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 350.49 350.49 350.49 350.49 382.49 382.49 382.49 382.49 414.49 414.49 414.49 414.49 446.49 446.49 446.49 446.49 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: 9 10 11 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 05.412198 0.80 J1959+4044 40 35 46.36249 * 40 44 02.09630 40 46 48.72390 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 08.323309 0.13 J2015+3710 37 01 44.45895 * 37 10 59.51482 37 14 06.42135 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 26.639813 0.00 J2202+4216 42 02 08.59077 * 42 16 39.97990 42 21 29.20552 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 sess217.L1024 1 2 3 4 5 6 7 8 9 12 13 14 6.933 476.482 2013+370 sess217.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.250 19.583 BLLAC sess217.L1024 1 2 3 4 5 6 7 8 9 12 13 0.167 12.000 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 99.6 2013+370 99.3 BLLAC 78.7 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