COVER INFORMATION Station: JODRELL2 (Code Jb ) 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 JODRELL2 (Code Jb ) 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: 661.51 661.51 661.51 661.51 629.51 629.51 629.51 629.51 597.51 597.51 597.51 597.51 565.51 565.51 565.51 565.51 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 13 26 33 56.0 109.8 -2.6 -42.4 0 0 19 30 00 19 32 00 --- 13 28 33 56.3 110.4 -2.6 -42.2 120 15 19 30 01 19 35 25 J1605-1139 13 31 58 17.2 140.2 -2.6 -23.0 70 15 19 35 25 19 36 45 --- 13 33 19 17.3 140.6 -2.6 -22.9 80 26 19 35 26 19 36 45 FRB190520 13 33 19 18.0 141.2 -2.5 -22.5 -15 26 No stop 19 41 45 --- 13 38 20 18.4 142.4 -2.4 -21.9 285 64 19 36 46 19 41 45 J1605-1139 13 38 20 17.8 141.7 -2.5 -22.2 -14 64 No stop 19 43 15 --- 13 39 50 17.9 142.1 -2.4 -22.1 76 76 19 41 46 19 43 55 FRB190520 13 40 30 18.6 142.9 -2.4 -21.6 25 76 19 43 55 19 48 55 --- 13 45 31 19.1 144.1 -2.3 -21.0 300 115 19 43 56 19 48 55 J1605-1139 13 45 31 18.4 143.5 -2.3 -21.3 -14 115 No stop 19 50 25 --- 13 47 01 18.6 143.8 -2.3 -21.2 76 126 19 48 56 19 51 05 FRB190520 13 47 41 19.2 144.6 -2.3 -20.7 25 126 19 51 05 19 56 05 --- 13 52 42 19.7 145.9 -2.2 -20.0 300 165 19 51 06 19 56 05 J1605-1139 13 52 42 19.1 145.2 -2.2 -20.4 -14 165 No stop 19 57 35 --- 13 54 12 19.2 145.6 -2.2 -20.2 76 176 19 56 06 19 58 15 FRB190520 13 54 52 19.9 146.4 -2.1 -19.7 25 176 19 58 15 20 03 15 --- 13 59 53 20.3 147.6 -2.1 -19.1 300 215 19 58 16 20 03 15 J1605-1139 13 59 53 19.7 146.9 -2.1 -19.5 -14 215 No stop 20 04 45 --- 14 01 23 19.8 147.3 -2.1 -19.3 76 227 20 03 16 20 05 25 FRB190520 14 02 03 20.4 148.2 -2.0 -18.8 24 227 20 05 25 20 10 25 --- 14 07 04 20.8 149.4 -1.9 -18.1 300 265 20 05 26 20 10 25 J1605-1139 14 07 04 20.2 148.7 -2.0 -18.5 -15 265 No stop 20 11 55 --- 14 08 34 20.3 149.1 -2.0 -18.3 75 277 20 10 26 20 12 35 FRB190520 14 09 15 21.0 150.0 -1.9 -17.8 24 277 20 12 35 20 17 35 --- 14 14 15 21.4 151.2 -1.8 -17.1 300 316 20 12 36 Schedule for JODRELL2 (Code Jb ) 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 14 14 15 20.8 150.5 -1.9 -17.5 -15 316 No stop 20 19 05 --- 14 15 46 20.9 150.9 -1.8 -17.3 75 327 20 17 36 20 19 45 FRB190520 14 16 26 21.5 151.8 -1.8 -16.8 24 327 20 19 45 20 24 45 --- 14 21 27 21.9 153.0 -1.7 -16.1 300 366 20 19 46 20 24 45 J1605-1139 14 21 27 21.3 152.3 -1.7 -16.5 -15 366 No stop 20 26 15 --- 14 22 57 21.4 152.7 -1.7 -16.3 75 377 20 24 46 20 26 55 FRB190520 14 23 37 22.0 153.6 -1.7 -15.8 24 377 20 26 55 20 31 55 --- 14 28 38 22.3 154.9 -1.6 -15.0 300 416 20 26 56 20 31 55 J1605-1139 14 28 38 21.8 154.1 -1.6 -15.5 -15 416 No stop 20 33 25 --- 14 30 08 21.9 154.5 -1.6 -15.3 75 428 20 31 56 20 34 05 FRB190520 14 30 48 22.5 155.4 -1.5 -14.7 24 428 20 34 05 20 39 05 --- 14 35 49 22.8 156.7 -1.5 -14.0 300 466 20 34 06 20 39 05 J1605-1139 14 35 49 22.2 156.0 -1.5 -14.4 -15 466 No stop 20 40 35 --- 14 37 19 22.3 156.3 -1.5 -14.2 75 478 20 39 06 20 44 10 1611+343 14 40 55 64.7 129.7 -1.6 -33.8 71 478 20 44 10 20 46 10 --- 14 43 05 65.0 130.5 -1.5 -33.4 120 493 20 44 11 20 49 45 J1605-1139 14 46 31 22.8 158.7 -1.3 -12.8 71 493 20 49 45 20 51 05 --- 14 47 51 22.9 159.1 -1.3 -12.6 80 504 20 49 46 20 51 05 FRB190520 14 47 51 23.4 159.8 -1.3 -12.2 -16 504 No stop 20 56 05 --- 14 52 52 23.7 161.1 -1.2 -11.4 284 542 20 51 06 20 56 05 J1605-1139 14 52 52 23.2 160.4 -1.2 -11.9 -15 542 No stop 20 57 35 --- 14 54 22 23.3 160.8 -1.2 -11.6 75 554 20 56 06 20 58 15 FRB190520 14 55 02 23.8 161.7 -1.1 -11.0 23 554 20 58 15 21 03 15 --- 15 00 03 24.0 163.0 -1.1 -10.3 300 593 20 58 16 21 03 15 J1605-1139 15 00 03 23.5 162.2 -1.1 -10.7 -15 593 No stop 21 04 38 --- 15 01 27 23.6 162.6 -1.1 -10.5 68 603 21 03 16 21 05 18 FRB190520 15 02 07 24.1 163.6 -1.0 -9.9 23 603 21 05 18 21 10 18 --- 15 07 07 24.3 164.9 -0.9 -9.1 300 642 21 05 19 21 10 18 J1605-1139 15 07 07 23.8 164.1 -1.0 -9.6 -16 642 No stop 21 11 41 --- 15 08 31 23.9 164.5 -1.0 -9.4 67 653 21 10 19 Schedule for JODRELL2 (Code Jb ) Page 4 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 --- 21 12 21 FRB190520 15 09 11 24.4 165.5 -0.9 -8.8 23 653 21 12 21 21 17 21 --- 15 14 12 24.6 166.8 -0.8 -8.0 300 691 21 12 22 21 17 21 J1605-1139 15 14 12 24.1 166.0 -0.9 -8.5 -16 691 No stop 21 18 44 --- 15 15 35 24.1 166.3 -0.8 -8.3 67 702 21 17 22 21 19 24 FRB190520 15 16 15 24.6 167.3 -0.8 -7.7 23 702 21 19 24 21 24 24 --- 15 21 16 24.8 168.7 -0.7 -6.9 300 741 21 19 25 21 24 24 J1605-1139 15 21 16 24.3 167.9 -0.8 -7.4 -16 741 No stop 21 25 47 --- 15 22 39 24.4 168.2 -0.7 -7.2 67 751 21 24 25 21 26 27 FRB190520 15 23 19 24.9 169.2 -0.7 -6.6 23 751 21 26 27 21 31 27 --- 15 28 20 25.0 170.6 -0.6 -5.7 300 790 21 26 28 21 31 27 J1605-1139 15 28 20 24.5 169.7 -0.6 -6.3 -16 790 No stop 21 32 50 --- 15 29 43 24.6 170.1 -0.6 -6.0 67 801 21 31 28 21 33 30 FRB190520 15 30 23 25.0 171.1 -0.5 -5.4 23 801 21 33 30 21 38 30 --- 15 35 24 25.1 172.5 -0.5 -4.6 300 839 21 33 31 21 38 30 J1605-1139 15 35 24 24.7 171.6 -0.5 -5.1 -16 839 No stop 21 39 53 --- 15 36 47 24.7 172.0 -0.5 -4.9 67 850 21 38 31 21 40 33 FRB190520 15 37 27 25.2 173.0 -0.4 -4.2 23 850 21 40 33 21 45 33 --- 15 42 28 25.3 174.4 -0.3 -3.4 300 889 21 40 34 21 45 33 J1605-1139 15 42 28 24.9 173.5 -0.4 -3.9 -16 889 No stop 21 46 56 --- 15 43 51 24.9 173.9 -0.4 -3.7 67 899 21 45 34 21 47 36 FRB190520 15 44 32 25.3 174.9 -0.3 -3.1 23 899 21 47 36 21 52 36 --- 15 49 32 25.4 176.3 -0.2 -2.3 300 938 21 47 37 21 52 36 J1605-1139 15 49 32 25.0 175.4 -0.3 -2.8 -16 938 No stop 21 53 59 --- 15 50 56 25.0 175.8 -0.3 -2.6 67 949 21 52 37 21 58 05 1641+399 15 55 02 74.2 143.5 -0.8 -27.6 81 949 21 58 05 22 00 05 --- 15 57 12 74.4 144.9 -0.8 -26.6 120 964 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: 3 Station: JODRELL2 Total bit rate: 1024 Format: VDIF 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= 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 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 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= U U L L U U L L U U L L U U L L IF = A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 The following frequency sets based on these setups were used. Frequency Set: 1 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= 661.51 661.51 661.51 661.51 629.51 629.51 629.51 629.51 597.51 597.51 597.51 597.51 565.51 565.51 565.51 565.51 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: 1 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) * 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