COVER INFORMATION Station: KVNTN (Code Kt ) Experiment: EVN observation of 22 GHZ H2O maser line Exp. Code: EK045A Schedule Version: 4.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Dongjin Kim Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121 Bonn Germany Phone: 0049-176457-18197 EMAIL: dongjin@mpifr-bonn.mpg.de Fax: 0049-2257-301-106 Phone during observation: 0049-2257-301-155 Observing mode: 5cm 2048 Mbps, 32-16-2 Notes: Schedule for KVNTN (Code Kt ) Page 2 EVN observation of 22 GHZ H2O maser line 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 20 Oct 2019 Day 293 --- Next scan frequencies: 22056.00 22056.00 22056.00 22056.00 22120.00 22120.00 22120.00 22120.00 22184.00 22184.00 22184.00 22184.00 22248.00 22248.00 22248.00 22248.00 Next BBC frequencies: 7944.00 7944.00 7944.00 7944.00 7880.00 7880.00 7880.00 7880.00 7816.00 7816.00 7816.00 7816.00 7752.00 7752.00 7752.00 7752.00 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 04 00 00 1156+295 14 19 10 60.2 -88.5 2.3 73.1 0 0 04 00 00 04 07 00 --- 14 26 12 58.7 -87.7 2.4 73.0 420 108 04 00 01 04 07 40 1156+295 14 26 52 58.6 -87.6 2.4 73.0 38 108 04 07 40 04 16 40 --- 14 35 53 56.7 -86.5 2.6 72.8 540 247 04 07 41 04 17 20 1156+295 14 36 33 56.6 -86.4 2.6 72.8 38 247 04 17 20 04 26 20 --- 14 45 35 54.7 -85.4 2.8 72.5 540 386 04 17 21 04 28 30 NGC4261 14 47 45 46.1 239.3 2.5 46.3 17 386 04 28 30 04 38 30 --- 14 57 47 44.3 241.8 2.6 47.7 600 541 04 28 31 04 39 10 NGC4261 14 58 27 44.1 241.9 2.6 47.8 38 541 04 39 10 04 49 10 --- 15 08 28 42.3 244.2 2.8 49.1 600 696 04 39 11 04 49 50 NGC4261 15 09 09 42.1 244.3 2.8 49.2 38 696 04 49 50 04 59 50 --- 15 19 10 40.2 246.5 3.0 50.4 600 850 04 49 51 05 00 30 NGC4261 15 19 50 40.1 246.6 3.0 50.4 38 850 05 00 30 05 10 30 --- 15 29 52 38.2 248.6 3.2 51.5 600 1005 05 00 31 05 18 30 1156+295 15 37 53 43.9 280.2 3.6 70.4 467 1005 05 18 30 05 21 30 --- 15 40 54 43.2 280.5 3.7 70.2 180 1051 05 18 31 05 23 45 NGC4261 15 43 09 35.6 251.2 3.4 52.7 122 1051 05 23 45 05 33 45 --- 15 53 11 33.6 253.0 3.5 53.4 600 1206 05 23 46 05 34 25 NGC4261 15 53 51 33.4 253.1 3.6 53.5 38 1206 05 34 25 05 44 25 --- 16 03 53 31.4 254.8 3.7 54.2 600 1360 05 34 26 05 45 05 NGC4261 16 04 33 31.3 255.0 3.7 54.2 38 1360 05 45 05 05 55 05 --- 16 14 34 29.3 256.6 3.9 54.8 600 1515 05 45 06 06 03 05 1156+295 16 22 36 34.7 284.7 4.4 67.8 468 1515 06 03 05 06 06 05 --- 16 25 36 34.1 285.0 4.4 67.6 180 1561 06 03 06 06 08 20 NGC4261 16 27 52 26.5 258.8 4.1 55.5 123 1561 06 08 20 06 18 20 --- 16 37 53 24.5 260.3 4.3 55.9 600 1716 06 08 21 Schedule for KVNTN (Code Kt ) Page 3 EVN observation of 22 GHZ H2O maser line 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 20 Oct 2019 Day 293 --- 06 19 00 NGC4261 16 38 33 24.3 260.4 4.3 55.9 38 1716 06 19 00 06 29 00 --- 16 48 35 22.3 261.9 4.5 56.3 600 1870 06 19 01 06 29 40 NGC4261 16 49 15 22.1 262.0 4.5 56.3 38 1870 06 29 40 06 39 40 --- 16 59 17 20.1 263.5 4.6 56.6 600 2025 06 29 41 06 47 40 3C273 17 07 18 18.3 260.0 4.6 55.4 475 2025 06 47 40 06 50 40 --- 17 10 18 17.7 260.4 4.7 55.6 180 2071 06 47 41 06 51 50 NGC4261 17 11 29 17.5 265.3 4.9 56.9 65 2071 06 51 50 07 01 50 --- 17 21 30 15.4 266.7 5.0 57.0 600 2226 06 51 51 07 02 30 NGC4261 17 22 10 15.3 266.8 5.0 57.0 38 2226 07 02 30 07 12 30 --- 17 32 12 13.2 268.2 5.2 57.1 600 2381 07 02 31 07 13 10 NGC4261 17 32 52 13.1 268.3 5.2 57.1 38 2381 07 13 10 07 23 10 --- 17 42 54 11.0 269.7 5.4 57.1 600 2535 07 13 11 07 31 10 3C273 17 50 55 9.2 266.2 5.3 56.6 475 2535 07 31 10 07 34 10 --- 17 53 56 8.6 266.6 5.4 56.6 180 2582 07 31 11 07 35 20 NGC4261 17 55 06 8.4 271.3 5.6 57.1 65 2582 07 35 20 07 45 20 --- 18 05 07 6.3 272.7 5.7 57.1 600 2736 07 35 21 07 46 00 NGC4261 18 05 48 6.2 272.8 5.8 57.0 38 2736 07 46 00 07 56 00 --- 18 15 49 4.1 274.2 5.9 D 56.9 0 2891 07 46 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.K2048line --- 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: 14 Station: KVNTN Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 30000.00 Net SB= L L U U L L U U L L U U L L U U IF SB = L L L L L L L L L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 BBC SB= U U L L U U L L U U L L U U L L 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: 14 Setup file default. Used with PCAL = off LO sum= 22056.00 22056.00 22056.00 22056.00 22120.00 22120.00 22120.00 22120.00 22184.00 22184.00 22184.00 22184.00 22248.00 22248.00 22248.00 22248.00 BBC fr= 7944.00 7944.00 7944.00 7944.00 7880.00 7880.00 7880.00 7880.00 7816.00 7816.00 7816.00 7816.00 7752.00 7752.00 7752.00 7752.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 14 15 16 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) * NGC4261 12 16 50.004473 * 12 19 23.216071 12 20 21.570488 0.00 06 06 08.63926 * 05 49 29.70008 05 43 08.20006 0.00 From catalog imbedded in main SCHED input file. * 3C273 12 26 33.245835 * 12 29 06.699731 12 30 05.155415 0.00 02 19 43.30577 * 02 03 08.59827 01 56 49.52867 0.00 From catalog imbedded in main SCHED input file. * 1156+295 11 56 57.786210 * 11 59 31.833911 12 00 30.259088 0.00 29 31 25.73872 * 29 14 43.82682 29 08 16.03268 0.00 From catalog imbedded in main SCHED input file. 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 NGC4261 sess319.K2048line 1 2 3 4 5 6 7 8 9 10 11 14 + 5.400 749.000 3C273 sess319.K2048line 1 2 3 4 5 6 7 8 9 10 11 14 + 0.400 56.300 1156+295 sess319.K2048line 1 2 3 4 5 6 7 8 9 10 11 14 + 1.200 136.917 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) NGC4261 25.3 3C273 21.0 1156+295 46.0 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