COVER INFORMATION Station: JODRELL2 (Code Jb ) Experiment: Accurate Localization of FAST FRB 190520 and its Host Exp. Code: RZ001A 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 Email: zb@shao.ac.cn PLEASE TURN OFF CONTINUOUS-CAL AND AUTOMATIC GAIN CONTROL SYSTEMS AS WELL AS PHASE-CAL TONES 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 ---------------------------------------------------------------------------------------- --- Sun 14 Jun 2020 Day 166 --- 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 20 00 00 1600+335 13 25 05 55.8 109.4 -2.6 -42.5 0 0 20 00 00 20 02 00 --- 13 27 05 56.0 110.0 -2.6 -42.4 120 15 20 00 01 20 05 25 J1605-1139 13 30 31 17.0 139.9 -2.6 -23.2 70 15 20 05 25 20 06 45 --- 13 31 51 17.2 140.2 -2.6 -23.0 80 26 20 05 26 20 06 45 FRB190520 13 31 51 17.8 140.8 -2.5 -22.7 -15 26 No stop 20 11 45 --- 13 36 52 18.3 142.0 -2.4 -22.1 285 64 20 06 46 20 11 45 J1605-1139 13 36 52 17.6 141.4 -2.5 -22.4 -14 64 No stop 20 13 15 --- 13 38 22 17.8 141.8 -2.5 -22.2 76 76 20 11 46 20 13 55 FRB190520 13 39 02 18.5 142.6 -2.4 -21.8 25 76 20 13 55 20 18 55 --- 13 44 03 18.9 143.8 -2.3 -21.2 300 115 20 13 56 20 18 55 J1605-1139 13 44 03 18.3 143.1 -2.4 -21.5 -14 115 No stop 20 20 25 --- 13 45 33 18.4 143.5 -2.3 -21.3 76 126 20 18 56 20 21 05 FRB190520 13 46 14 19.1 144.3 -2.3 -20.9 25 126 20 21 05 20 26 05 --- 13 51 14 19.6 145.5 -2.2 -20.2 300 165 20 21 06 20 26 05 J1605-1139 13 51 14 18.9 144.8 -2.3 -20.6 -14 165 No stop 20 27 35 --- 13 52 45 19.1 145.2 -2.2 -20.4 76 176 20 26 06 20 28 15 FRB190520 13 53 25 19.7 146.0 -2.2 -19.9 25 176 20 28 15 20 33 15 --- 13 58 26 20.1 147.3 -2.1 -19.3 300 215 20 28 16 20 33 15 J1605-1139 13 58 26 19.5 146.6 -2.1 -19.7 -14 215 No stop 20 34 45 --- 13 59 56 19.7 147.0 -2.1 -19.5 76 227 20 33 16 20 35 25 FRB190520 14 00 36 20.3 147.8 -2.0 -19.0 24 227 20 35 25 20 40 25 --- 14 05 37 20.7 149.0 -2.0 -18.3 300 265 20 35 26 20 40 25 J1605-1139 14 05 37 20.1 148.4 -2.0 -18.7 -15 265 No stop 20 41 55 --- 14 07 07 20.2 148.7 -2.0 -18.5 75 277 20 40 26 20 42 35 FRB190520 14 07 47 20.9 149.6 -1.9 -18.0 24 277 20 42 35 20 47 35 --- 14 12 48 21.3 150.8 -1.8 -17.3 300 316 20 42 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 ---------------------------------------------------------------------------------------- --- Sun 14 Jun 2020 Day 166 --- 20 47 35 J1605-1139 14 12 48 20.7 150.1 -1.9 -17.7 -15 316 No stop 20 49 05 --- 14 14 18 20.8 150.5 -1.9 -17.5 75 327 20 47 36 20 49 45 FRB190520 14 14 58 21.4 151.4 -1.8 -17.0 24 327 20 49 45 20 54 45 --- 14 19 59 21.8 152.7 -1.7 -16.3 300 366 20 49 46 20 54 45 J1605-1139 14 19 59 21.2 151.9 -1.8 -16.7 -15 366 No stop 20 56 15 --- 14 21 29 21.3 152.3 -1.7 -16.5 75 377 20 54 46 20 56 55 FRB190520 14 22 09 21.9 153.2 -1.7 -16.0 24 377 20 56 55 21 01 55 --- 14 27 10 22.2 154.5 -1.6 -15.2 300 416 20 56 56 21 01 55 J1605-1139 14 27 10 21.7 153.8 -1.7 -15.7 -15 416 No stop 21 03 25 --- 14 28 40 21.8 154.1 -1.6 -15.5 75 428 21 01 56 21 04 05 FRB190520 14 29 21 22.4 155.0 -1.6 -14.9 24 428 21 04 05 21 09 05 --- 14 34 21 22.7 156.3 -1.5 -14.2 300 466 21 04 06 21 09 05 J1605-1139 14 34 21 22.1 155.6 -1.5 -14.6 -15 466 No stop 21 10 35 --- 14 35 52 22.2 156.0 -1.5 -14.4 75 478 21 09 06 21 14 10 1611+343 14 39 27 64.6 129.1 -1.6 -34.2 71 478 21 14 10 21 16 10 --- 14 41 38 64.8 129.9 -1.5 -33.7 120 493 21 14 11 21 19 45 J1605-1139 14 45 03 22.8 158.3 -1.4 -13.0 71 493 21 19 45 21 21 05 --- 14 46 23 22.8 158.7 -1.3 -12.8 80 504 21 19 46 21 21 05 FRB190520 14 46 23 23.4 159.4 -1.3 -12.4 -16 504 No stop 21 26 05 --- 14 51 24 23.6 160.8 -1.2 -11.6 284 542 21 21 06 21 26 05 J1605-1139 14 51 24 23.1 160.0 -1.3 -12.1 -15 542 No stop 21 27 35 --- 14 52 54 23.2 160.4 -1.2 -11.8 75 554 21 26 06 21 28 15 FRB190520 14 53 35 23.7 161.3 -1.2 -11.3 23 554 21 28 15 21 33 15 --- 14 58 35 24.0 162.6 -1.1 -10.5 300 593 21 28 16 21 33 15 J1605-1139 14 58 35 23.5 161.9 -1.1 -11.0 -15 593 No stop 21 34 45 --- 15 00 06 23.5 162.3 -1.1 -10.7 75 604 21 33 16 21 35 25 FRB190520 15 00 46 24.1 163.2 -1.0 -10.2 23 604 21 35 25 21 40 25 --- 15 05 47 24.3 164.5 -1.0 -9.4 300 643 21 35 26 21 40 25 J1605-1139 15 05 47 23.8 163.7 -1.0 -9.8 -16 643 No stop 21 41 55 --- 15 07 17 23.8 164.1 -1.0 -9.6 74 654 21 40 26 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 ---------------------------------------------------------------------------------------- --- Sun 14 Jun 2020 Day 166 --- 21 42 35 FRB190520 15 07 57 24.3 165.1 -0.9 -9.0 23 654 21 42 35 21 47 35 --- 15 12 58 24.5 166.5 -0.8 -8.2 300 693 21 42 36 21 47 35 J1605-1139 15 12 58 24.1 165.6 -0.9 -8.7 -16 693 No stop 21 49 05 --- 15 14 28 24.1 166.0 -0.9 -8.5 74 705 21 47 36 21 49 45 FRB190520 15 15 08 24.6 167.0 -0.8 -7.9 23 705 21 49 45 21 54 45 --- 15 20 09 24.8 168.4 -0.7 -7.1 300 743 21 49 46 21 54 45 J1605-1139 15 20 09 24.3 167.6 -0.8 -7.6 -16 743 No stop 21 56 15 --- 15 21 39 24.4 168.0 -0.7 -7.3 74 755 21 54 46 21 56 55 FRB190520 15 22 19 24.8 169.0 -0.7 -6.7 23 755 21 56 55 22 01 55 --- 15 27 20 25.0 170.3 -0.6 -5.9 300 794 21 56 56 22 01 55 J1605-1139 15 27 20 24.5 169.5 -0.7 -6.4 -16 794 No stop 22 03 25 --- 15 28 50 24.6 169.9 -0.6 -6.2 74 805 22 01 56 22 04 05 FRB190520 15 29 30 25.0 170.9 -0.6 -5.5 23 805 22 04 05 22 09 05 --- 15 34 31 25.1 172.2 -0.5 -4.7 300 844 22 04 06 22 09 05 J1605-1139 15 34 31 24.7 171.4 -0.5 -5.2 -16 844 No stop 22 10 35 --- 15 36 02 24.7 171.8 -0.5 -5.0 74 855 22 09 06 22 11 15 FRB190520 15 36 42 25.2 172.8 -0.4 -4.4 23 855 22 11 15 22 16 15 --- 15 41 42 25.3 174.2 -0.4 -3.5 300 894 22 11 16 22 16 15 J1605-1139 15 41 42 24.8 173.3 -0.4 -4.1 -16 894 No stop 22 17 45 --- 15 43 13 24.9 173.7 -0.4 -3.8 74 906 22 16 16 22 18 25 FRB190520 15 43 53 25.3 174.8 -0.3 -3.2 23 906 22 18 25 22 23 25 --- 15 48 54 25.3 176.1 -0.2 -2.4 300 944 22 18 26 22 23 25 J1605-1139 15 48 54 24.9 175.3 -0.3 -2.9 -16 944 No stop 22 24 55 --- 15 50 24 25.0 175.7 -0.3 -2.6 74 956 22 23 26 22 29 01 1641+399 15 54 30 74.2 143.2 -0.8 -27.8 81 956 22 29 01 22 31 01 --- 15 56 40 74.3 144.5 -0.8 -26.9 120 971 22 29 02 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: 5 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 55.105237 0.00 33 35 09.59231 * 33 26 53.07200 33 23 39.41806 0.00 From catalog imbedded in main SCHED input file. * 1611+343 16 11 47.914209 * 16 13 41.064200 16 14 28.065333 0.00 34 20 19.83398 * 34 12 47.90900 34 09 51.77979 0.00 From catalog imbedded in main SCHED input file. * 1641+399 16 41 17.606263 * 16 42 58.810000 16 43 41.192334 0.00 39 54 10.81494 * 39 48 36.99400 39 46 27.29361 0.00 From catalog imbedded in main SCHED input file. * J1605-1139 16 02 31.767616 * 16 05 17.531700 16 06 25.500829 0.00 -11 31 20.63016 *-11 39 26.83100 -11 42 41.49265 0.00 From catalog imbedded in main SCHED input file. * FRB190520 15 59 16.359238 * 16 02 01.640000 16 03 09.405926 0.00 -11 09 09.88153 *-11 17 28.50000 -11 20 48.19364 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 9 10 0.033 1.500 1611+343 sess220.L1024 1 2 3 4 5 6 7 9 10 0.033 1.500 1641+399 sess220.L1024 1 2 3 4 5 6 7 9 10 0.033 1.500 J1605-1139 sess220.L1024 1 2 3 4 5 6 7 9 10 0.494 16.408 FRB190520 sess220.L1024 1 2 3 4 5 6 7 9 10 1.500 61.006 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+335 119.2 1611+343 119.4 1641+399 115.8 J1605-1139 156.0 FRB190520 155.1 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