COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Accurate Localization of FAST FRB 190520 and its Host Exp. Code: RZ001B Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Chenhui Niu Address: National Astronomical Observatories, CAS 20A Datun Road, Chaoyang District 100012, Beijing China Phone: 86 010 64888708 EMAIL: peterniu@@nao.cas.cn Fax: Phone during observation: Observing mode: Notes: SCHED key file contact person: Bo Zhang, zb@shao.ac.cn PLEASE TURN OFF CONTINUOUS-CAL AND AUTOMATIC GAIN CONTROL SYSTEMS AS WELL AS PHASE-CAL TONES v2 with out-stations Schedule for URUMQI (Code Ur ) Page 2 Accurate Localization of FAST FRB 190520 and its Host 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 22 Jun 2020 Day 174 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 310.49 310.49 310.49 310.49 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 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 19 30 00 1600+335 19 24 28 49.9 273.0 3.4 60.2 0 0 19 30 00 19 32 00 --- 19 26 29 49.5 273.3 3.4 60.2 120 15 19 30 01 19 35 25 J1605-1139 19 29 54 18.0 233.0 3.4 36.3 140 15 19 35 25 19 36 45 --- 19 31 14 17.8 233.3 3.4 36.4 80 26 19 35 26 19 36 45 FRB190520 19 31 14 17.6 234.2 3.5 36.9 -5 26 No stop 19 41 45 --- 19 36 15 16.9 235.2 3.6 37.4 295 64 19 36 46 19 41 45 J1605-1139 19 36 15 17.1 234.3 3.5 37.0 -5 64 No stop 19 43 15 --- 19 37 45 16.8 234.6 3.5 37.2 85 76 19 41 46 19 43 55 FRB190520 19 38 26 16.5 235.6 3.6 37.7 35 76 19 43 55 19 48 55 --- 19 43 26 15.8 236.7 3.7 38.2 300 114 19 43 56 19 48 55 J1605-1139 19 43 26 16.0 235.8 3.6 37.8 -5 114 No stop 19 50 25 --- 19 44 57 15.8 236.1 3.6 37.9 85 126 19 48 56 19 51 05 FRB190520 19 45 37 15.5 237.1 3.7 38.4 35 126 19 51 05 19 56 05 --- 19 50 38 14.7 238.1 3.8 38.9 300 164 19 51 06 19 56 05 J1605-1139 19 50 38 14.9 237.2 3.7 38.5 -5 164 No stop 19 57 35 --- 19 52 08 14.7 237.5 3.8 38.7 85 176 19 56 06 19 58 15 FRB190520 19 52 48 14.4 238.5 3.8 39.1 35 176 19 58 15 20 03 15 --- 19 57 49 13.6 239.5 3.9 39.6 300 214 19 58 16 20 03 15 J1605-1139 19 57 49 13.8 238.6 3.9 39.2 -5 214 No stop 20 04 45 --- 19 59 19 13.6 238.9 3.9 39.4 85 226 20 03 16 20 05 25 FRB190520 19 59 59 13.2 239.9 3.9 39.8 35 226 20 05 25 20 10 25 --- 20 05 00 12.4 240.9 4.0 40.3 300 264 20 05 26 20 10 25 J1605-1139 20 05 00 12.7 240.0 4.0 39.9 -5 264 No stop 20 11 55 --- 20 06 30 12.4 240.3 4.0 40.1 85 276 20 10 26 20 12 35 FRB190520 20 07 10 12.1 241.3 4.1 40.5 35 276 20 12 35 20 17 35 --- 20 12 11 11.3 242.2 4.2 40.9 300 314 20 12 36 Schedule for URUMQI (Code Ur ) Page 3 Accurate Localization of FAST FRB 190520 and its Host 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 22 Jun 2020 Day 174 --- 20 17 35 J1605-1139 20 12 11 11.5 241.4 4.1 40.6 -5 314 No stop 20 19 05 --- 20 13 41 11.3 241.7 4.1 40.7 85 326 20 17 36 20 19 45 FRB190520 20 14 21 10.9 242.6 4.2 41.1 35 326 20 19 45 20 24 45 --- 20 19 22 10.1 243.6 4.3 41.5 300 364 20 19 46 20 24 45 J1605-1139 20 19 22 10.4 242.7 4.2 41.2 -5 364 No stop 20 26 15 --- 20 20 53 10.1 243.0 4.2 41.3 85 376 20 24 46 20 26 55 FRB190520 20 21 33 9.8 244.0 4.3 41.7 35 376 20 26 55 20 31 55 --- 20 26 33 9.0 244.9 4.4 42.1 300 414 20 26 56 20 31 55 J1605-1139 20 26 33 9.2 244.1 4.3 41.8 -5 414 No stop 20 33 25 --- 20 28 04 9.0 244.3 4.4 41.9 85 426 20 31 56 20 34 05 FRB190520 20 28 44 8.6 245.3 4.4 42.3 35 426 20 34 05 20 39 05 --- 20 33 45 7.8 246.2 4.5 42.6 300 464 20 34 06 20 39 05 J1605-1139 20 33 45 8.0 245.4 4.5 42.4 -5 464 No stop 20 40 35 --- 20 35 15 7.8 245.7 4.5 42.5 85 476 20 39 06 20 44 10 1611+343 20 38 51 39.0 283.2 4.4 58.7 149 476 20 44 10 20 46 10 --- 20 41 01 38.6 283.5 4.4 58.5 120 491 20 44 11 20 49 45 J1605-1139 20 44 27 6.3 247.3 4.6 43.1 148 491 20 49 45 20 51 05 --- 20 45 47 6.0 247.6 4.7 43.2 80 501 20 49 46 20 51 05 FRB190520 20 45 47 5.8 248.4 4.7 43.5 -5 501 No stop 20 56 05 --- 20 50 48 4.9 249.3 4.8 D 43.8 0 540 20 51 06 20 56 05 J1605-1139 20 50 48 5.2 248.5 4.7 43.6 -5 540 No stop 20 57 35 --- 20 52 18 4.9 248.7 4.8 D 43.7 0 551 20 56 06 21 58 05 1641+399 21 52 58 34.2 294.9 5.2 58.9 3548 551 21 58 05 22 00 05 --- 21 55 08 33.9 295.2 5.2 58.7 120 567 21 58 06 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess220.L1024 --- 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: 7 Station: URUMQI Total bit rate: 1024 Format: MARK5B 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= 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 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: 5 Setup file default. Used with PCAL = off LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 310.49 310.49 310.49 310.49 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 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= 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) * 1600+335 16 00 11.909370 * 16 02 07.263500 16 02 55.082054 0.00 33 35 09.59231 * 33 26 53.07200 33 23 41.36848 0.00 From catalog imbedded in main SCHED input file. * 1611+343 16 11 47.914209 * 16 13 41.064200 16 14 28.049355 0.00 34 20 19.83398 * 34 12 47.90900 34 09 53.80790 0.00 From catalog imbedded in main SCHED input file. * 1641+399 16 41 17.606263 * 16 42 58.810000 16 43 41.188996 0.00 39 54 10.81494 * 39 48 36.99400 39 46 29.58639 0.00 From catalog imbedded in main SCHED input file. * J1605-1139 16 02 31.767616 * 16 05 17.531700 16 06 25.527812 0.00 -11 31 20.63016 *-11 39 26.83100 -11 42 41.06438 0.00 From catalog imbedded in main SCHED input file. * FRB190520 15 59 16.359238 * 16 02 01.640000 16 03 09.430530 0.00 -11 09 09.88153 *-11 17 28.50000 -11 20 47.75530 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 1600+335 sess220.L1024 1 2 3 4 5 6 7 8 0.033 2.200 1611+343 sess220.L1024 1 2 3 4 5 6 7 8 0.033 2.200 1641+399 sess220.L1024 1 2 3 4 5 6 7 8 0.033 2.200 J1605-1139 sess220.L1024 1 2 3 4 5 6 7 8 0.479 23.505 FRB190520 sess220.L1024 1 2 3 4 5 6 7 8 1.500 90.093 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) 1600+335 115.8 1611+343 116.4 1641+399 113.8 J1605-1139 148.8 FRB190520 147.9 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