COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: ET048C Exp. Code: ET048C Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Oleg Titov Address: Geoscience Australia Cnr Jerrabomberra Avenue and Hindmarsh Drive Symonston ACT 2609 GPO Box 378 Canberra ACT 2601 Australia Phone: +61 2 6249 9064 EMAIL: Oleg.Titov@ga.gov.au Fax: Phone during observation: +61 2 6249 9064 Observing mode: Notes: Imaging extragalactic radio sources with extremely large radio-optical offsets Devided on 3 epochs: ET048A, ET048B, ET048C 6cm, 1024 Mbps, RCP & LCP, 2 bit sampling Prepared by Alexey Melnikov, aem@iaaras.ru Schedule for URUMQI (Code Ur ) Page 2 ET048C 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 ---------------------------------------------------------------------------------------- --- Mon 14 Mar 2022 Day 73 --- Next scan frequencies: 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 338.49 338.49 338.49 338.49 402.49 402.49 402.49 402.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 30 00 J1327+2210 14 48 38 62.9 224.4 1.3 33.2 0 0 21 30 00 21 33 00 =1324+224 14 51 38 62.5 225.6 1.4 34.0 180 23 21 30 01 21 33 00 J1310+3220 14 51 38 67.4 248.6 1.7 53.0 -27 23 No stop 21 40 00 =1308+326 14 58 40 66.2 250.8 1.8 54.1 393 77 21 33 01 21 41 00 J1333+2725 14 59 40 66.4 233.9 1.4 41.3 39 77 21 41 00 21 46 00 =1330+276 15 04 40 65.6 235.9 1.5 42.6 300 115 21 41 01 21 46 00 J1333+2725 15 04 40 65.6 235.9 1.5 42.6 -2 115 No stop 21 47 30 =1330+276 15 06 11 65.4 236.5 1.5 42.9 88 127 21 46 01 21 47 30 1328+254 15 06 11 63.3 234.0 1.6 40.4 -7 127 No stop 21 51 00 --- 15 09 41 62.8 235.3 1.6 41.2 203 154 21 47 31 21 51 00 J1333+2725 15 09 41 64.9 237.8 1.6 43.7 -7 154 No stop 21 52 30 =1330+276 15 11 12 64.6 238.4 1.6 44.1 83 165 21 51 01 21 52 30 1328+254 15 11 12 62.6 235.9 1.7 41.5 -7 165 No stop 21 56 00 --- 15 14 42 62.1 237.1 1.7 42.3 203 192 21 52 31 21 56 40 J1333+2725 15 15 22 64.0 239.9 1.7 45.0 33 192 21 56 40 21 58 10 =1330+276 15 16 52 63.7 240.5 1.7 45.3 90 204 21 56 41 21 58 10 1328+254 15 16 52 61.7 237.9 1.8 42.7 -7 204 No stop 22 01 40 --- 15 20 23 61.2 239.1 1.8 43.4 203 231 21 58 11 22 01 40 J1333+2725 15 20 23 63.2 241.7 1.8 46.0 -7 231 No stop 22 03 10 =1330+276 15 21 53 62.9 242.2 1.8 46.3 83 242 22 01 41 22 03 10 1328+254 15 21 53 60.9 239.6 1.8 43.7 -7 242 No stop 22 06 40 --- 15 25 24 60.4 240.8 1.9 44.4 203 269 22 03 11 22 07 20 J1333+2725 15 26 04 62.3 243.6 1.9 47.0 33 269 22 07 20 22 08 50 =1330+276 15 27 34 62.0 244.1 1.9 47.3 90 281 22 07 21 22 08 50 1328+254 15 27 34 60.0 241.5 1.9 44.7 -7 281 No stop 22 12 20 --- 15 31 05 59.5 242.6 2.0 45.3 203 308 22 08 51 22 12 20 J1333+2725 15 31 05 61.4 245.2 1.9 47.8 -7 308 No stop 22 13 50 =1330+276 15 32 35 61.2 245.7 2.0 48.1 83 319 22 12 21 Schedule for URUMQI (Code Ur ) Page 3 ET048C 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 ---------------------------------------------------------------------------------------- --- Mon 14 Mar 2022 Day 73 --- 22 13 50 1328+254 15 32 35 59.2 243.1 2.0 45.6 -7 319 No stop 22 17 20 --- 15 36 06 58.7 244.2 2.1 46.1 203 346 22 13 51 22 18 00 J1333+2725 15 36 46 60.5 246.9 2.0 48.7 33 346 22 18 00 22 19 30 =1330+276 15 38 16 60.3 247.4 2.1 48.9 90 358 22 18 01 22 19 30 1328+254 15 38 16 58.3 244.8 2.1 46.5 -7 358 No stop 22 23 00 --- 15 41 47 57.7 245.8 2.2 47.0 203 385 22 19 31 22 23 00 J1333+2725 15 41 47 59.7 248.4 2.1 49.4 -7 385 No stop 22 24 30 =1330+276 15 43 17 59.4 248.8 2.2 49.6 83 396 22 23 01 22 24 30 1328+254 15 43 17 57.5 246.3 2.2 47.2 -7 396 No stop 22 28 00 --- 15 46 47 56.9 247.3 2.3 47.6 203 423 22 24 31 22 28 40 J1333+2725 15 47 28 58.7 250.0 2.2 50.1 33 423 22 28 40 22 30 10 =1330+276 15 48 58 58.4 250.4 2.2 50.3 90 435 22 28 41 22 30 10 1328+254 15 48 58 56.5 247.9 2.3 47.9 -7 435 No stop 22 33 40 --- 15 52 28 55.9 248.8 2.3 48.3 203 462 22 30 11 22 33 40 J1333+2725 15 52 28 57.8 251.3 2.3 50.7 -7 462 No stop 22 35 10 =1330+276 15 53 59 57.6 251.7 2.3 50.9 83 473 22 33 41 22 35 10 1328+254 15 53 59 55.7 249.2 2.4 48.5 -7 473 No stop 22 38 40 --- 15 57 29 55.1 250.2 2.4 48.9 203 500 22 35 11 22 39 20 J1333+2725 15 58 09 56.9 252.8 2.4 51.3 33 500 22 39 20 22 40 50 =1330+276 15 59 40 56.6 253.2 2.4 51.4 90 512 22 39 21 22 40 50 1328+254 15 59 40 54.7 250.7 2.5 49.1 -7 512 No stop 22 44 20 --- 16 03 10 54.1 251.6 2.5 49.5 203 538 22 40 51 22 44 20 J1333+2725 16 03 10 56.0 254.1 2.5 51.7 -7 538 No stop 22 45 50 =1330+276 16 04 40 55.7 254.4 2.5 51.9 83 550 22 44 21 22 45 50 1328+254 16 04 40 53.9 252.0 2.5 49.6 -7 550 No stop 22 49 20 --- 16 08 11 53.3 252.8 2.6 49.9 203 577 22 45 51 22 50 00 J1333+2725 16 08 51 55.0 255.4 2.6 52.2 33 577 22 50 00 22 51 30 =1330+276 16 10 21 54.7 255.8 2.6 52.3 90 588 22 50 01 22 51 30 1328+254 16 10 21 52.9 253.4 2.6 50.1 -7 588 No stop 22 55 00 --- 16 13 52 52.3 254.2 2.7 50.4 203 615 22 51 31 Schedule for URUMQI (Code Ur ) Page 4 ET048C 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 ---------------------------------------------------------------------------------------- --- Mon 14 Mar 2022 Day 73 --- 22 55 00 J1333+2725 16 13 52 54.1 256.6 2.7 52.6 -7 615 No stop 22 56 30 =1330+276 16 15 22 53.8 256.9 2.7 52.7 83 627 22 55 01 22 56 30 1328+254 16 15 22 52.0 254.6 2.7 50.5 -7 627 No stop 23 00 00 --- 16 18 53 51.4 255.4 2.8 50.8 203 654 22 56 31 23 00 40 J1333+2725 16 19 33 53.1 257.9 2.8 53.0 33 654 23 00 40 23 02 10 =1330+276 16 21 03 52.8 258.2 2.8 53.1 90 665 23 00 41 23 02 10 1328+254 16 21 03 51.0 255.9 2.8 51.0 -7 665 No stop 23 05 40 --- 16 24 34 50.4 256.7 2.9 51.2 203 692 23 02 11 23 05 40 J1333+2725 16 24 34 52.2 259.0 2.8 53.3 -7 692 No stop 23 07 10 =1330+276 16 26 04 51.9 259.3 2.9 53.4 83 704 23 05 41 23 07 10 1328+254 16 26 04 50.1 257.0 2.9 51.3 -7 704 No stop 23 10 40 --- 16 29 34 49.5 257.8 3.0 51.5 203 731 23 07 11 23 11 20 J1333+2725 16 30 15 51.2 260.2 2.9 53.6 33 731 23 11 20 23 12 50 =1330+276 16 31 45 50.9 260.5 3.0 53.7 90 742 23 11 21 23 12 50 1328+254 16 31 45 49.1 258.2 3.0 51.6 -7 742 No stop 23 16 20 --- 16 35 15 48.5 259.0 3.1 51.8 203 769 23 12 51 23 16 20 J1333+2725 16 35 15 50.3 261.2 3.0 53.8 -7 769 No stop 23 17 50 =1330+276 16 36 46 50.0 261.5 3.0 53.9 83 781 23 16 21 23 17 50 1328+254 16 36 46 48.2 259.3 3.1 51.9 -7 781 No stop 23 21 20 --- 16 40 16 47.6 260.0 3.1 52.1 203 808 23 17 51 23 22 00 J1333+2725 16 40 56 49.3 262.4 3.1 54.0 33 808 23 22 00 23 23 30 =1330+276 16 42 27 49.0 262.7 3.1 54.1 90 819 23 22 01 23 23 30 1328+254 16 42 27 47.2 260.5 3.2 52.2 -7 819 No stop 23 27 00 --- 16 45 57 46.6 261.2 3.2 52.3 203 846 23 23 31 23 27 00 J1333+2725 16 45 57 48.4 263.4 3.2 54.2 -7 846 No stop 23 30 00 =1330+276 16 48 58 47.8 264.0 3.2 54.3 173 869 23 27 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess122.C1024 --- 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: URUMQI Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A2 C1 A2 C1 A2 C1 A2 C1 The following frequency sets based on these setups were used. Frequency Set: 8 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 338.49 338.49 338.49 338.49 402.49 402.49 402.49 402.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 8 Track assignments are: track1= 10, 14, 2, 6, 12, 16, 4, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 1328+254 13 28 15.929959 * 13 30 37.695072 13 31 41.190061 0.00 J1330+2509 25 24 37.58506 * 25 09 10.98324 25 02 12.09646 0.00 3C287 From catalog imbedded in main SCHED input file. Titov,ET048C 1308+326 13 08 07.560130 * 13 10 28.663850 13 11 32.041704 0.22 * J1310+3220 32 36 40.23884 * 32 20 43.78291 32 13 32.21631 0.20 J1310+32 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 116159 observations. 1324+224 13 24 37.118627 * 13 27 00.861311 13 28 05.194029 0.00 * J1327+2210 22 26 22.70245 * 22 10 50.16289 22 03 49.11127 0.00 J1327+22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 46958 observations. 1330+276 13 30 47.332194 * 13 33 07.490724 13 34 10.307850 0.08 * J1333+2725 27 40 40.74242 * 27 25 18.38262 27 18 21.03569 0.11 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 150 observations. 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 1328+254 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 1.108 204.668 J1310+3220 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.117 21.662 J1327+2210 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.050 10.500 J1333+2725 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.608 112.769 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) 1328+254 144.6 J1310+3220 143.0 J1327+2210 147.0 J1333+2725 142.8 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