COVER INFORMATION Station: ONSALA60 (Code O6 ) 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 ONSALA60 (Code O6 ) 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: 687.49 687.49 687.49 687.49 719.49 719.49 719.49 719.49 751.49 751.49 751.49 751.49 783.49 783.49 783.49 783.49 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 15 55 52 48.4 446.3 -4.1 -45.2 0 0 04 00 00 04 10 00 --- 16 05 54 49.7 448.3 -3.9 -45.3 600 77 04 00 01 04 10 30 CYG-A 16 06 24 49.8 448.4 -3.9 -45.3 25 77 04 10 30 04 20 30 --- 16 16 25 51.2 450.5 -3.7 -45.4 600 155 04 10 31 04 21 30 2013+370 16 17 26 46.6 451.1 -4.0 -42.6 48 155 04 21 30 04 26 30 --- 16 22 26 47.3 452.1 -3.9 -42.6 300 193 04 21 31 04 27 30 CYG-A 16 23 27 52.1 452.0 -3.6 -45.3 48 193 04 27 30 04 37 30 --- 16 33 28 53.5 454.2 -3.4 -45.2 600 271 04 27 31 04 38 00 CYG-A 16 33 58 53.5 454.3 -3.4 -45.2 25 271 04 38 00 04 48 00 --- 16 44 00 54.9 456.6 -3.3 -45.0 600 348 04 38 01 04 48 30 CYG-A 16 44 30 54.9 456.7 -3.3 -45.0 25 348 04 48 30 04 58 30 --- 16 54 32 56.3 459.1 -3.1 -44.6 600 425 04 48 31 04 59 00 CYG-A 16 55 02 56.3 459.3 -3.1 -44.6 25 425 04 59 00 05 09 00 --- 17 05 03 57.7 461.7 -2.9 -44.2 600 502 04 59 01 05 09 30 CYG-A 17 05 33 57.7 461.9 -2.9 -44.1 25 502 05 09 30 05 19 30 --- 17 15 35 59.0 464.5 -2.7 -43.5 600 580 05 09 31 05 20 00 CYG-A 17 16 05 59.1 464.6 -2.7 -43.5 25 580 05 20 00 05 30 00 --- 17 26 07 60.4 467.4 -2.6 -42.8 600 657 05 20 01 ---------- 5-min gap for pointing ---------- 05 36 45 BLLAC 17 32 53 46.0 439.5 -4.5 -45.8 380 657 05 36 45 05 41 45 --- 17 37 54 46.6 440.5 -4.4 -46.0 300 696 05 36 46 05 43 30 CYG-A 17 39 39 62.1 471.3 -2.3 -41.5 80 696 05 43 30 05 53 30 --- 17 49 41 63.4 474.5 -2.2 -40.4 600 773 05 43 31 05 54 00 CYG-A 17 50 11 63.4 474.6 -2.2 -40.3 25 773 05 54 00 06 04 00 --- 18 00 12 64.7 478.0 -2.0 -38.9 600 850 05 54 01 Schedule for ONSALA60 (Code O6 ) 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 --- 06 04 30 CYG-A 18 00 43 64.7 478.1 -2.0 -38.9 25 850 06 04 30 06 14 30 --- 18 10 44 65.9 481.7 -1.8 -37.3 600 927 06 04 31 06 15 00 CYG-A 18 11 14 65.9 481.9 -1.8 -37.2 25 927 06 15 00 06 25 00 --- 18 21 16 67.1 485.7 -1.6 -35.3 600 1005 06 15 01 06 25 30 CYG-A 18 21 46 67.1 485.9 -1.6 -35.2 25 1005 06 25 30 06 35 30 --- 18 31 48 68.2 490.1 -1.5 -33.0 600 1082 06 25 31 06 36 00 CYG-A 18 32 18 68.2 490.3 -1.5 -32.9 25 1082 06 36 00 06 46 00 --- 18 42 19 69.2 494.7 -1.3 -30.4 600 1159 06 36 01 ---------- 6-min gap for pointing ---------- 06 52 00 2013+370 18 48 20 65.2 494.9 -1.5 -28.7 348 1159 06 52 00 06 57 00 --- 18 53 21 65.7 497.0 -1.4 -27.5 300 1198 06 52 01 06 58 00 CYG-A 18 54 21 70.3 500.5 -1.1 -26.9 48 1198 06 58 00 07 08 00 --- 19 04 23 71.1 505.7 -0.9 -23.6 600 1275 06 58 01 07 08 30 CYG-A 19 04 53 71.2 506.0 -0.9 -23.4 25 1275 07 08 30 07 18 30 --- 19 14 55 71.9 511.6 -0.8 -19.8 600 1353 07 08 31 07 19 00 CYG-A 19 15 25 71.9 511.9 -0.7 -19.6 25 1353 07 19 00 07 29 00 --- 19 25 26 72.5 517.8 -0.6 -15.6 600 1430 07 19 01 07 29 30 CYG-A 19 25 56 72.5 518.1 -0.6 -15.4 24 1430 07 29 30 07 39 30 --- 19 35 58 72.9 524.3 -0.4 -11.1 600 1507 07 29 31 07 40 00 CYG-A 19 36 28 73.0 524.6 -0.4 -10.9 24 1507 07 40 00 07 50 00 --- 19 46 30 73.2 531.1 -0.2 -6.3 600 1584 07 40 01 07 50 30 CYG-A 19 47 00 73.3 531.4 -0.2 -6.1 24 1584 07 50 30 08 00 30 --- 19 57 02 73.4 538.0 -0.1 -1.4 600 1662 07 50 31 ---------- 5-min gap for pointing ---------- 08 07 10 BLLAC 20 03 43 65.9 475.6 -2.0 -41.1 364 1662 08 07 10 08 12 10 --- 20 08 43 66.5 477.3 -1.9 -40.4 300 1700 08 07 11 08 15 39 CYG-A 20 12 13 73.3 548.0 0.2 5.7 171 1700 08 15 39 08 25 39 --- 20 22 14 73.0 554.5 0.4 10.3 600 1778 08 15 40 08 26 09 CYG-A 20 22 44 73.0 554.8 0.4 10.5 24 1778 08 26 09 08 36 09 --- 20 32 46 72.6 561.1 0.5 14.8 600 1855 08 26 10 Schedule for ONSALA60 (Code O6 ) 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 --- 08 36 39 CYG-A 20 33 16 72.5 561.4 0.6 15.0 24 1855 08 36 39 08 46 39 --- 20 43 18 72.0 567.3 0.7 19.1 600 1932 08 36 40 08 47 09 CYG-A 20 43 48 72.0 567.6 0.7 19.3 24 1932 08 47 09 08 57 09 --- 20 53 49 71.3 573.3 0.9 23.0 600 2010 08 47 10 08 57 39 CYG-A 20 54 19 71.2 573.5 0.9 23.1 25 2010 08 57 39 09 07 39 --- 21 04 21 70.4 578.8 1.1 26.5 600 2087 08 57 40 09 08 09 CYG-A 21 04 51 70.4 579.0 1.1 26.6 25 2087 09 08 09 09 18 09 --- 21 14 53 69.5 583.9 1.2 29.6 600 2164 09 08 10 ---------- 6-min gap for pointing ---------- 09 24 09 2013+370 21 20 54 67.2 574.9 1.1 22.8 342 2164 09 24 09 09 29 09 --- 21 25 55 66.8 577.3 1.2 24.2 300 2203 09 24 10 09 30 28 CYG-A 21 27 14 68.3 589.5 1.5 32.7 62 2203 09 30 28 09 40 28 --- 21 37 16 67.2 593.6 1.6 35.0 600 2280 09 30 29 09 40 58 CYG-A 21 37 46 67.2 593.8 1.6 35.1 25 2280 09 40 58 09 50 58 --- 21 47 48 66.1 597.7 1.8 37.0 600 2357 09 40 59 09 51 28 CYG-A 21 48 18 66.0 597.9 1.8 37.1 25 2357 09 51 28 10 01 28 --- 21 58 19 64.8 601.5 2.0 38.7 600 2435 09 51 29 10 01 58 CYG-A 21 58 49 64.8 601.7 2.0 38.8 25 2435 10 01 58 10 11 58 --- 22 08 51 63.6 605.0 2.1 40.2 600 2512 10 01 59 10 12 28 CYG-A 22 09 21 63.5 605.2 2.2 40.2 25 2512 10 12 28 10 22 28 --- 22 19 23 62.3 608.4 2.3 41.4 600 2589 10 12 29 10 22 58 CYG-A 22 19 53 62.2 608.5 2.3 41.5 25 2589 10 22 58 10 32 58 --- 22 29 54 60.9 611.5 2.5 42.4 600 2667 10 22 59 ---------- 6-min gap for pointing ---------- 10 38 58 2013+370 22 35 55 59.5 603.9 2.3 37.4 344 2667 10 38 58 10 43 58 --- 22 40 56 58.9 605.4 2.4 38.0 300 2705 10 38 59 10 45 00 CYG-A 22 41 58 59.4 614.8 2.7 43.4 46 2705 10 45 00 10 55 00 --- 22 52 00 58.1 617.5 2.9 44.0 600 2782 10 45 01 10 55 30 CYG-A 22 52 30 58.0 617.6 2.9 44.0 25 2782 10 55 30 11 05 30 --- 23 02 32 56.7 620.1 3.0 44.5 600 2860 10 55 31 Schedule for ONSALA60 (Code O6 ) 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 --- 11 06 00 CYG-A 23 03 02 56.6 620.2 3.0 44.5 25 2860 11 06 00 11 16 00 --- 23 13 03 55.3 622.7 3.2 44.9 600 2937 11 06 01 11 16 30 CYG-A 23 13 33 55.2 622.8 3.2 44.9 25 2937 11 16 30 11 26 30 --- 23 23 35 53.9 625.1 3.4 45.2 600 3014 11 16 31 11 27 00 CYG-A 23 24 05 53.8 625.2 3.4 45.2 25 3014 11 27 00 11 37 00 --- 23 34 07 52.5 627.4 3.6 45.3 600 3092 11 27 01 11 37 30 CYG-A 23 34 37 52.4 627.5 3.6 45.3 25 3092 11 37 30 11 47 30 --- 23 44 38 51.0 629.7 3.7 45.4 600 3169 11 37 31 ---------- 6-min gap for pointing ---------- 11 53 30 2013+370 23 50 39 49.8 623.6 3.6 42.3 345 3169 11 53 30 11 58 30 --- 23 55 40 49.2 624.8 3.7 42.4 300 3208 11 53 31 11 59 30 CYG-A 23 56 40 49.4 632.2 3.9 45.3 45 3208 11 59 30 12 09 30 --- 00 06 42 48.1 634.2 4.1 45.2 600 3285 11 59 31 12 10 00 CYG-A 00 07 12 48.0 634.3 4.1 45.2 25 3285 12 10 00 12 20 00 --- 00 17 14 46.7 636.3 4.3 45.0 600 3362 12 10 01 12 20 30 CYG-A 00 17 44 46.6 636.4 4.3 45.0 25 3362 12 20 30 12 30 30 --- 00 27 46 45.2 638.3 4.5 44.8 600 3439 12 20 31 12 31 00 CYG-A 00 28 16 45.2 638.4 4.5 44.7 25 3439 12 31 00 12 41 00 --- 00 38 17 43.8 640.3 4.6 44.4 600 3517 12 31 01 12 41 30 CYG-A 00 38 47 43.8 640.4 4.6 44.4 25 3517 12 41 30 12 51 30 --- 00 48 49 42.5 642.3 4.8 44.1 600 3594 12 41 31 12 52 00 CYG-A 00 49 19 42.4 642.4 4.8 44.0 25 3594 12 52 00 13 02 00 --- 00 59 21 41.1 644.2 5.0 43.6 600 3671 12 52 01 ---------- 6-min gap for pointing ---------- 13 08 00 2013+370 01 05 22 39.8 639.2 4.8 41.9 346 3671 13 08 00 13 13 00 --- 01 10 23 39.1 640.1 4.9 41.8 300 3710 13 08 01 13 14 00 CYG-A 01 11 23 39.5 646.4 5.2 43.1 46 3710 13 14 00 13 24 00 --- 01 21 24 38.2 648.2 5.4 42.5 600 3787 13 14 01 13 24 30 CYG-A 01 21 54 38.2 648.3 5.4 42.5 25 3787 13 24 30 13 33 00 --- 01 30 26 37.1 649.8 5.5 42.0 510 3853 13 24 31 Schedule for ONSALA60 (Code O6 ) Page 6 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 --- 13 33 30 CYG-A 01 30 56 37.0 649.8 5.5 42.0 25 3853 13 33 30 13 42 00 --- 01 39 27 35.9 651.3 5.7 41.5 510 3919 13 33 31 13 42 30 CYG-A 01 39 57 35.9 651.4 5.7 41.5 25 3919 13 42 30 13 51 00 --- 01 48 29 34.8 652.9 5.8 41.0 510 3984 13 42 31 13 51 30 CYG-A 01 48 59 34.7 653.0 5.8 40.9 25 3984 13 51 30 14 00 00 --- 01 57 30 33.7 654.5 6.0 40.4 510 4050 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 --- 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: 6 Station: ONSALA60 Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 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 3 11 3 11 5 13 5 13 7 15 7 15 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 B1 D1 B1 D1 B1 D1 B1 D1 The following frequency sets based on these setups were used. Frequency Set: 5 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= 687.49 687.49 687.49 687.49 719.49 719.49 719.49 719.49 751.49 751.49 751.49 751.49 783.49 783.49 783.49 783.49 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: 5 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 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