COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: EVN 5 GHz and 22 GHz study of 43 compact radio sources Exp. Code: EC071D Schedule Version: 3.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Carolina Casadio Address: MPIfR Auf dem Huegel 69 D-53121 Bonn Germany Phone: 505 835 7247 EMAIL: casadio@mpifr-bonn.mpg.de Fax: 505 835 7027 Phone during observation: 505 835 7247 Observing mode: Continuum Notes: Schedule for URUMQI (Code Ur ) Page 2 EVN 5 GHz and 22 GHz study of 43 compact radio sources 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 ---------------------------------------------------------------------------------------- --- Wed 4 Mar 2020 Day 64 --- Next scan frequencies: 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 Next BBC frequencies: 139.49 139.49 139.49 139.49 203.49 203.49 203.49 203.49 267.49 267.49 267.49 267.49 331.49 331.49 331.49 331.49 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 01 00 00 J0927+3902 17 37 45 7.5 -41.5 8.2 38.2 0 0 01 00 00 01 02 00 --- 17 39 45 7.3 -41.2 8.2 37.9 120 31 01 00 01 01 06 20 J1310+3220 17 44 06 36.5 -77.7 4.5 57.0 197 31 01 06 20 01 09 20 --- 17 47 06 36.0 -77.3 4.6 56.8 180 77 01 06 21 01 11 20 J1148+1840 17 49 07 12.7 -76.4 6.0 48.1 71 77 01 11 20 01 12 50 --- 17 50 37 12.5 -76.2 6.0 48.0 90 100 01 11 21 01 12 50 J1143+1834 17 50 37 11.5 -75.4 6.1 47.8 -5 100 No stop 01 14 30 --- 17 52 17 11.2 -75.1 6.1 47.7 95 126 01 12 51 01 15 10 J1148+1840 17 52 57 12.1 -75.8 6.1 47.9 35 126 01 15 10 01 16 30 --- 17 54 18 11.8 -75.6 6.1 47.8 80 146 01 15 11 01 16 30 J1143+1834 17 54 18 10.9 -74.8 6.2 47.6 -5 146 No stop 01 18 10 --- 17 55 58 10.6 -74.5 6.2 47.5 95 172 01 16 31 01 18 10 J1148+1840 17 55 58 11.5 -75.3 6.1 47.8 -5 172 No stop 01 19 50 --- 17 57 38 11.2 -75.0 6.1 47.7 95 197 01 18 11 01 19 50 J1143+1834 17 57 38 10.3 -74.2 6.2 47.4 -5 197 No stop 01 21 30 --- 17 59 18 10.0 -74.0 6.2 47.3 95 223 01 19 51 01 21 30 J1148+1840 17 59 18 11.0 -74.7 6.2 47.6 -5 223 No stop 01 23 10 --- 18 00 59 10.7 -74.5 6.2 47.5 95 249 01 21 31 01 23 10 J1143+1834 18 00 59 9.7 -73.7 6.3 47.3 -5 249 No stop 01 24 50 --- 18 02 39 9.4 -73.4 6.3 47.2 95 274 01 23 11 01 25 30 J1148+1840 18 03 19 10.3 -74.1 6.2 47.4 35 274 01 25 30 01 26 50 --- 18 04 39 10.0 -73.9 6.2 47.3 80 295 01 25 31 01 26 50 J1143+1834 18 04 39 9.1 -73.1 6.3 47.1 -5 295 No stop 01 28 30 --- 18 06 20 8.8 -72.8 6.4 47.0 95 321 01 26 51 01 28 30 J1148+1840 18 06 20 9.7 -73.6 6.3 47.3 -5 321 No stop 01 30 10 --- 18 08 00 9.4 -73.3 6.3 47.2 95 346 01 28 31 Schedule for URUMQI (Code Ur ) Page 3 EVN 5 GHz and 22 GHz study of 43 compact radio sources 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 ---------------------------------------------------------------------------------------- --- Wed 4 Mar 2020 Day 64 --- 01 30 10 J1143+1834 18 08 00 8.5 -72.5 6.4 46.9 -5 346 No stop 01 31 50 --- 18 09 40 8.2 -72.3 6.4 46.8 95 372 01 30 11 01 31 50 J1148+1840 18 09 40 9.1 -73.1 6.3 47.1 -5 372 No stop 01 33 30 --- 18 11 20 8.9 -72.8 6.4 47.0 95 397 01 31 51 01 33 30 J1143+1834 18 11 20 7.9 -72.0 6.4 46.7 -5 397 No stop 01 35 10 --- 18 13 01 7.6 -71.7 6.5 46.6 95 423 01 33 31 01 35 10 J1148+1840 18 13 01 8.6 -72.5 6.4 46.9 -5 423 No stop 01 36 50 --- 18 14 41 8.3 -72.2 6.4 46.8 95 449 01 35 11 01 36 50 J1143+1834 18 14 41 7.3 -71.4 6.5 46.5 -5 449 No stop 01 38 30 --- 18 16 21 7.0 -71.2 6.5 46.4 95 474 01 36 51 01 39 10 J1148+1840 18 17 01 7.9 -71.8 6.5 46.7 35 474 01 39 10 01 40 30 --- 18 18 21 7.6 -71.6 6.5 46.6 80 495 01 39 11 01 40 30 J1143+1834 18 18 21 6.7 -70.8 6.6 46.3 -5 495 No stop 01 42 10 --- 18 20 02 6.4 -70.6 6.6 46.2 95 521 01 40 31 01 42 10 J1148+1840 18 20 02 7.4 -71.4 6.5 46.5 -5 521 No stop 01 43 50 --- 18 21 42 7.1 -71.1 6.5 46.4 95 546 01 42 11 01 43 50 J1143+1834 18 21 42 6.1 -70.3 6.6 46.1 -5 546 No stop 01 45 30 --- 18 23 22 5.8 -70.0 6.6 46.0 95 572 01 43 51 01 46 10 J1148+1840 18 24 02 6.7 -70.7 6.6 46.3 35 572 01 46 10 01 47 30 --- 18 25 23 6.4 -70.5 6.6 46.2 80 592 01 46 11 01 47 30 J1143+1834 18 25 23 5.5 -69.7 6.7 45.8 -5 592 No stop 01 49 10 --- 18 27 03 5.2 -69.4 6.7 45.7 95 618 01 47 31 01 49 10 J1148+1840 18 27 03 6.2 -70.2 6.6 46.1 -5 618 No stop 01 50 50 --- 18 28 43 5.9 -69.9 6.7 46.0 95 644 01 49 11 01 52 30 J1148+1840 18 30 23 5.6 -69.6 6.7 45.9 98 644 01 52 30 01 54 10 --- 18 32 04 5.3 -69.4 6.7 45.8 100 669 01 52 31 02 16 10 J1308+0401 18 54 07 5.4 270.2 5.7 46.7 979 669 02 16 10 02 17 50 --- 18 55 48 5.1 270.5 5.8 46.7 100 695 02 16 11 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess120.K2048 --- 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: 12 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: 4 Setup file default. Used with PCAL = off LO sum= 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 BBC fr= 139.49 139.49 139.49 139.49 203.49 203.49 203.49 203.49 267.49 267.49 267.49 267.49 331.49 331.49 331.49 331.49 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: 4 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) * J1143+1834 11 40 50.579123 * 11 43 26.100000 11 44 29.030195 0.00 18 51 16.95576 * 18 34 38.00000 18 27 52.30340 0.00 From catalog imbedded in main SCHED input file. * J1306+0341 13 03 43.483483 * 13 06 16.000000 13 07 17.572712 0.00 03 57 40.04903 * 03 41 38.00000 03 35 08.63311 0.00 From catalog imbedded in main SCHED input file. * J1148+1840 11 46 02.761062 * 11 48 37.776789 11 49 40.501036 0.00 18 56 49.43689 * 18 40 08.96963 18 33 22.61520 0.00 From catalog imbedded in main SCHED input file. * J1308+0401 13 05 43.183380 * 13 08 15.553073 13 09 17.060890 0.00 04 17 08.92278 * 04 01 09.35140 03 54 40.92565 0.00 From catalog imbedded in main SCHED input file. * J1310+3220 13 08 07.556269 * 13 10 28.660000 13 11 25.773663 0.00 32 36 40.23602 * 32 20 43.78000 32 14 12.42588 0.00 From catalog imbedded in main SCHED input file. * J0927+3902 09 23 55.315268 * 09 27 03.010000 09 28 18.795020 0.00 39 15 23.56442 * 39 02 20.85000 38 57 05.54633 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 J1143+1834 sess120.K2048 1 2 3 4 5 6 7 9 10 12 1.167 36.972 J1306+0341 sess120.K2048 1 2 3 5 6 7 9 10 12 1.153 34.534 J1148+1840 sess120.K2048 1 2 3 4 5 6 7 9 10 12 1.100 42.226 J1308+0401 sess120.K2048 1 2 3 4 5 6 7 9 10 12 1.175 40.444 J1310+3220 sess120.K2048 1 2 3 4 5 6 7 9 10 12 0.092 3.633 J0927+3902 sess120.K2048 1 2 3 4 5 6 7 9 10 0.033 1.500 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) J1143+1834 163.9 J1306+0341 148.5 J1148+1840 163.0 J1308+0401 148.0 J1310+3220 140.1 J0927+3902 141.2 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