COVER INFORMATION Station: URUMQI (Code Ur ) 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 URUMQI (Code Ur ) 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: 56.00 56.00 56.00 56.00 120.00 120.00 120.00 120.00 184.00 184.00 184.00 184.00 248.00 248.00 248.00 248.00 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 11 42 03 75.2 164.0 -0.3 -13.2 0 0 04 00 00 04 07 00 --- 11 49 04 75.5 170.0 -0.2 -8.3 420 108 04 00 01 04 07 40 1156+295 11 49 44 75.5 170.6 -0.2 -7.8 38 108 04 07 40 04 16 40 --- 11 58 46 75.7 178.5 -0.0 -1.3 540 246 04 07 41 04 17 20 1156+295 11 59 26 75.7 179.1 -0.0 -0.8 37 246 04 17 20 04 26 20 --- 12 08 27 75.6 187.0 0.1 5.8 540 385 04 17 21 04 28 30 NGC4261 12 10 38 52.2 176.0 -0.2 -2.9 80 385 04 28 30 04 38 30 --- 12 20 39 52.2 180.1 0.0 0.1 600 538 04 28 31 04 39 10 NGC4261 12 21 19 52.2 180.4 0.0 0.3 38 538 04 39 10 04 49 10 --- 12 31 21 52.2 184.5 0.2 3.3 600 692 04 39 11 04 49 50 NGC4261 12 32 01 52.2 184.7 0.2 3.4 38 692 04 49 50 04 59 50 --- 12 42 03 51.9 188.8 0.4 6.4 600 846 04 49 51 05 00 30 NGC4261 12 42 43 51.9 189.0 0.4 6.6 38 846 05 00 30 05 10 30 --- 12 52 44 51.6 193.0 0.5 9.5 600 1000 05 00 31 05 18 30 1156+295 13 00 46 71.3 225.0 1.0 36.0 436 1000 05 18 30 05 21 30 --- 13 03 46 70.9 226.6 1.1 37.2 180 1046 05 18 31 05 23 45 NGC4261 13 06 02 50.9 198.2 0.8 13.2 92 1046 05 23 45 05 33 45 --- 13 16 03 50.3 202.0 0.9 15.9 600 1200 05 23 46 05 34 25 NGC4261 13 16 43 50.3 202.3 0.9 16.0 38 1200 05 34 25 05 44 25 --- 13 26 45 49.5 206.0 1.1 18.6 600 1354 05 34 26 05 45 05 NGC4261 13 27 25 49.5 206.2 1.1 18.8 38 1354 05 45 05 05 55 05 --- 13 37 27 48.6 209.8 1.3 21.2 600 1508 05 45 06 06 03 05 1156+295 13 45 28 64.6 244.3 1.7 48.5 443 1508 06 03 05 06 06 05 --- 13 48 29 64.1 245.3 1.8 49.0 180 1554 06 03 06 06 08 20 NGC4261 13 50 44 47.3 214.3 1.5 24.3 99 1554 06 08 20 06 18 20 --- 14 00 46 46.3 217.6 1.7 26.4 600 1708 06 08 21 Schedule for URUMQI (Code Ur ) 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 14 01 26 46.2 217.8 1.7 26.6 38 1708 06 19 00 06 29 00 --- 14 11 27 45.0 221.0 1.9 28.6 600 1862 06 19 01 06 29 40 NGC4261 14 12 07 44.9 221.2 1.9 28.7 38 1862 06 29 40 06 39 40 --- 14 22 09 43.7 224.2 2.0 30.6 600 2015 06 29 41 06 47 40 3C273 14 30 10 40.6 221.2 2.0 28.6 471 2015 06 47 40 06 50 40 --- 14 33 11 40.3 222.1 2.1 29.1 180 2062 06 47 41 06 51 50 NGC4261 14 34 21 42.1 227.8 2.2 32.7 61 2062 06 51 50 07 01 50 --- 14 44 23 40.7 230.5 2.4 34.3 600 2215 06 51 51 07 02 30 NGC4261 14 45 03 40.7 230.7 2.4 34.4 38 2215 07 02 30 07 12 30 --- 14 55 04 39.2 233.4 2.6 35.8 600 2369 07 02 31 07 13 10 NGC4261 14 55 45 39.1 233.6 2.6 35.9 38 2369 07 13 10 07 23 10 --- 15 05 46 37.6 236.1 2.8 37.3 600 2523 07 13 11 07 31 10 3C273 15 13 48 34.8 232.9 2.7 35.4 471 2523 07 31 10 07 34 10 --- 15 16 48 34.4 233.7 2.8 35.8 180 2569 07 31 11 07 35 20 NGC4261 15 17 58 35.8 239.1 3.0 38.7 61 2569 07 35 20 07 45 20 --- 15 28 00 34.2 241.5 3.1 39.8 600 2723 07 35 21 07 46 00 NGC4261 15 28 40 34.1 241.6 3.1 39.9 38 2723 07 46 00 07 56 00 --- 15 38 42 32.5 243.9 3.3 40.9 600 2877 07 46 01 07 56 40 NGC4261 15 39 22 32.4 244.0 3.3 41.0 38 2877 07 56 40 08 06 40 --- 15 49 23 30.7 246.2 3.5 41.9 600 3031 07 56 41 08 14 40 3C273 15 57 25 28.1 243.0 3.5 40.3 471 3031 08 14 40 08 17 40 --- 16 00 25 27.7 243.7 3.5 40.6 180 3077 08 14 41 08 18 50 NGC4261 16 01 35 28.7 248.8 3.7 42.8 61 3077 08 18 50 08 28 50 --- 16 11 37 26.9 250.9 3.9 43.6 600 3231 08 18 51 08 29 30 NGC4261 16 12 17 26.8 251.0 3.9 43.6 38 3231 08 29 30 08 39 30 --- 16 22 19 25.1 253.0 4.0 44.2 600 3385 08 29 31 08 40 10 NGC4261 16 22 59 25.0 253.1 4.0 44.3 38 3385 08 40 10 08 50 10 --- 16 33 01 23.2 255.1 4.2 44.8 600 3538 08 40 11 08 58 10 3C273 16 41 02 20.8 251.9 4.2 43.6 471 3538 08 58 10 09 01 10 --- 16 44 02 20.3 252.5 4.2 43.8 180 3585 08 58 11 Schedule for URUMQI (Code Ur ) Page 4 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 --- 09 02 20 NGC4261 16 45 13 21.1 257.4 4.4 45.4 61 3585 09 02 20 09 12 20 --- 16 55 14 19.3 259.2 4.6 45.8 600 3738 09 02 21 09 13 00 NGC4261 16 55 54 19.2 259.4 4.6 45.8 38 3738 09 13 00 09 23 00 --- 17 05 56 17.4 261.2 4.8 46.1 600 3892 09 13 01 09 23 40 NGC4261 17 06 36 17.3 261.3 4.8 46.1 38 3892 09 23 40 09 33 40 --- 17 16 38 15.5 263.1 4.9 46.4 600 4046 09 23 41 09 40 40 3C273 17 23 39 13.3 259.8 4.9 45.6 411 4046 09 40 40 09 43 40 --- 17 26 39 12.8 260.4 4.9 45.7 180 4092 09 40 41 09 44 50 NGC4261 17 27 50 13.5 265.1 5.1 46.6 61 4092 09 44 50 09 54 50 --- 17 37 51 11.6 266.8 5.3 46.7 600 4246 09 44 51 09 55 30 NGC4261 17 38 31 11.5 267.0 5.3 46.7 38 4246 09 55 30 10 05 30 --- 17 48 33 9.7 268.7 5.5 46.8 600 4400 09 55 31 10 06 10 NGC4261 17 49 13 9.6 268.8 5.5 46.8 38 4400 10 06 10 10 16 10 --- 17 59 15 7.8 270.5 5.6 46.8 600 4554 10 06 11 10 23 10 3C273 18 06 16 5.7 267.3 5.6 46.5 412 4554 10 23 10 10 26 10 --- 18 09 16 5.1 267.8 5.7 46.5 180 4600 10 23 11 10 27 20 NGC4261 18 10 27 5.7 272.5 5.8 46.8 62 4600 10 27 20 10 37 20 --- 18 20 28 3.9 274.2 6.0 D 46.7 0 4754 10 27 21 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: 13 Station: URUMQI Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 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 = A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 The following frequency sets based on these setups were used. Frequency Set: 6 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= 56.00 56.00 56.00 56.00 120.00 120.00 120.00 120.00 184.00 184.00 184.00 184.00 248.00 248.00 248.00 248.00 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: 6 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) * 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