COVER INFORMATION Station: HART (Code Hh ) Experiment: Multi-freq study on FRB PRSs - FRB190520 Exp. Code: EB104I Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Bhandari Address: JIVE Oude Hoogeveensedijk 4 Dwingeloo Netherlands Phone: +31 521 596 508 EMAIL: marcote@jive.eu Fax: +31 521 596 508 Phone during observation: +31 521 596 508 Observing mode: evn Notes: ########################################################### ### Please, make sure PHASE CAL, CONT Tsys, AGC is OFF. ### ########################################################### Schedule for HART (Code Hh ) Page 2 Multi-freq study on FRB PRSs - FRB190520 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 10 Mar 2025 Day 69 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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 02 00 00 J1550+0527 15 02 46 56.5 22.6 -0.8 0.0 0 0 02 00 00 02 02 00 =1548+056 15 04 46 56.7 21.7 -0.8 0.0 120 31 02 00 01 02 02 20 J1550+0527 15 05 06 56.7 21.6 -0.8 0.0 -1 31 02 02 20 02 06 00 =1548+056 15 08 47 57.0 20.0 -0.7 0.0 219 88 02 02 21 02 06 20 J1550+0527 15 09 07 57.1 19.8 -0.7 0.0 -1 88 02 06 20 02 10 00 =1548+056 15 12 48 57.3 18.2 -0.7 0.0 219 144 02 06 21 02 12 00 J1605-1139 15 14 48 71.3 43.2 -0.9 0.0 59 144 02 12 00 02 13 30 =1602-115 15 16 18 71.5 42.3 -0.8 0.0 90 167 02 12 01 02 13 30 FRB190520 15 16 18 71.7 39.6 -0.8 0.0 -27 167 No stop 02 18 00 --- 15 20 49 72.3 36.7 -0.7 0.0 243 237 02 13 31 02 18 30 J1605-1139 15 21 19 72.3 39.2 -0.8 0.0 3 237 02 18 30 02 19 40 =1602-115 15 22 29 72.4 38.4 -0.7 0.0 70 255 02 18 31 02 19 40 FRB190520 15 22 29 72.5 35.5 -0.7 0.0 -27 255 No stop 02 24 10 --- 15 27 00 73.1 32.3 -0.6 0.0 243 325 02 19 41 02 24 10 J1605-1139 15 27 00 73.0 35.3 -0.7 0.0 -27 325 No stop 02 26 00 =1602-115 15 28 50 73.3 34.0 -0.6 0.0 83 353 02 24 11 02 26 00 FRB190520 15 28 50 73.3 31.0 -0.6 0.0 -27 353 No stop 02 30 30 --- 15 33 21 73.8 27.5 -0.5 0.0 243 423 02 26 01 02 31 00 J1605-1139 15 33 51 73.9 30.2 -0.5 0.0 3 423 02 31 00 02 32 10 =1602-115 15 35 01 74.0 29.3 -0.5 0.0 70 441 02 31 01 02 32 10 J1603-1007 15 35 01 72.8 25.5 -0.5 0.0 -29 441 No stop 02 36 40 =1600-099 15 39 32 73.2 21.9 -0.4 0.0 241 510 02 32 11 02 36 40 J1605-1139 15 39 32 74.5 25.6 -0.5 0.0 -29 510 No stop 02 38 30 =1602-115 15 41 22 74.6 24.0 -0.4 0.0 81 538 02 36 41 02 38 30 FRB190520 15 41 22 74.6 20.8 -0.4 0.0 -27 538 No stop 02 43 00 --- 15 45 53 74.9 16.8 -0.3 0.0 243 608 02 38 31 Schedule for HART (Code Hh ) Page 3 Multi-freq study on FRB PRSs - FRB190520 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 10 Mar 2025 Day 69 --- 02 43 30 J1605-1139 15 46 23 75.1 19.6 -0.3 0.0 3 608 02 43 30 02 44 40 =1602-115 15 47 33 75.1 18.6 -0.3 0.0 70 626 02 43 31 02 44 40 FRB190520 15 47 33 75.0 15.2 -0.3 0.0 -27 626 No stop 02 49 10 --- 15 52 04 75.2 11.0 -0.2 0.0 243 696 02 44 41 02 49 10 J1605-1139 15 52 04 75.4 14.4 -0.2 0.0 -27 696 No stop 02 51 00 =1602-115 15 53 54 75.5 12.6 -0.2 0.0 83 724 02 49 11 02 51 00 FRB190520 15 53 54 75.3 9.3 -0.2 0.0 -27 724 No stop 02 55 30 --- 15 58 25 75.4 4.9 -0.1 0.0 243 794 02 51 01 02 56 00 J1605-1139 15 58 55 75.7 7.7 -0.1 0.0 3 794 02 56 00 02 57 10 =1602-115 16 00 05 75.8 6.6 -0.1 0.0 70 812 02 56 01 02 57 10 FRB190520 16 00 05 75.4 3.3 -0.1 0.0 -27 812 No stop 03 01 40 --- 16 04 36 75.5 358.9 0.0 0.0 243 881 02 57 11 03 01 40 J1605-1139 16 04 36 75.8 2.1 -0.0 0.0 -27 881 No stop 03 03 30 =1602-115 16 06 26 75.8 0.3 -0.0 0.0 83 909 03 01 41 03 03 30 FRB190520 16 06 26 75.5 357.1 0.0 0.0 -27 909 No stop 03 08 00 --- 16 10 57 75.4 352.7 0.1 0.0 243 979 03 03 31 03 08 30 J1605-1139 16 11 27 75.8 355.2 0.1 0.0 3 979 03 08 30 03 09 40 =1602-115 16 12 37 75.8 354.1 0.1 0.0 70 997 03 08 31 03 09 40 J1603-1007 16 12 37 74.2 352.8 0.1 0.0 -29 997 No stop 03 14 10 =1600-099 16 17 08 74.0 348.8 0.2 0.0 241 1067 03 09 41 03 14 10 J1605-1139 16 17 08 75.6 349.7 0.2 0.0 -29 1067 No stop 03 16 00 =1602-115 16 18 58 75.5 347.9 0.2 0.0 81 1095 03 14 11 03 16 00 FRB190520 16 18 58 75.0 345.1 0.3 0.0 -27 1095 No stop 03 20 30 --- 16 23 29 74.7 341.1 0.3 0.0 243 1165 03 16 01 03 21 00 J1605-1139 16 23 59 75.3 343.1 0.3 0.0 3 1165 03 21 00 03 22 10 =1602-115 16 25 09 75.2 342.1 0.3 0.0 70 1183 03 21 01 03 22 10 FRB190520 16 25 09 74.6 339.6 0.4 0.0 -27 1183 No stop 03 26 40 --- 16 29 40 74.2 335.7 0.4 0.0 243 1252 03 22 11 03 26 40 J1605-1139 16 29 40 74.8 338.0 0.4 0.0 -27 1252 No stop 03 28 30 =1602-115 16 31 30 74.7 336.4 0.4 0.0 83 1280 03 26 41 Schedule for HART (Code Hh ) Page 4 Multi-freq study on FRB PRSs - FRB190520 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 10 Mar 2025 Day 69 --- 03 28 30 FRB190520 16 31 30 74.0 334.2 0.5 0.0 -27 1280 No stop 03 33 00 --- 16 36 01 73.6 330.6 0.5 0.0 243 1350 03 28 31 03 33 30 J1605-1139 16 36 31 74.2 332.2 0.5 0.0 3 1350 03 33 30 03 34 40 =1602-115 16 37 41 74.1 331.3 0.5 0.0 70 1368 03 33 31 03 34 40 FRB190520 16 37 41 73.4 329.3 0.6 0.0 -27 1368 No stop 03 39 10 --- 16 42 12 72.8 326.0 0.6 0.0 243 1438 03 34 41 03 39 10 J1605-1139 16 42 12 73.5 327.8 0.6 0.0 -27 1438 No stop 03 41 00 =1602-115 16 44 02 73.3 326.4 0.6 0.0 83 1466 03 39 11 03 41 00 FRB190520 16 44 02 72.6 324.7 0.7 0.0 -27 1466 No stop 03 45 30 --- 16 48 33 72.0 321.7 0.8 0.0 243 1536 03 41 01 03 46 00 J1605-1139 16 49 03 72.7 322.8 0.7 0.0 3 1536 03 46 00 03 47 10 =1602-115 16 50 13 72.5 322.0 0.7 0.0 70 1554 03 46 01 03 47 10 J1603-1007 16 50 13 71.0 323.5 0.8 0.0 -29 1554 No stop 03 51 40 =1600-099 16 54 44 70.3 320.7 0.8 0.0 241 1623 03 47 11 03 51 40 J1605-1139 16 54 44 71.9 319.1 0.8 0.0 -29 1623 No stop 03 53 30 =1602-115 16 56 35 71.6 318.0 0.8 0.0 81 1651 03 51 41 03 53 30 FRB190520 16 56 35 70.8 316.8 0.9 0.0 -27 1651 No stop 03 58 00 --- 17 01 05 70.1 314.2 1.0 0.0 243 1721 03 53 31 03 58 30 J1605-1139 17 01 35 70.8 315.0 0.9 0.0 3 1721 03 58 30 03 59 40 =1602-115 17 02 46 70.6 314.4 0.9 0.0 70 1739 03 58 31 03 59 40 FRB190520 17 02 46 69.8 313.3 1.0 0.0 -27 1739 No stop 04 04 10 --- 17 07 16 69.1 311.0 1.1 0.0 243 1809 03 59 41 04 04 10 J1605-1139 17 07 16 69.9 311.9 1.0 0.0 -27 1809 No stop 04 06 00 =1602-115 17 09 07 69.6 311.0 1.0 0.0 83 1837 04 04 11 04 06 00 FRB190520 17 09 07 68.8 310.1 1.1 0.0 -27 1837 No stop 04 10 30 --- 17 13 37 68.0 308.0 1.2 0.0 243 1907 04 06 01 04 11 00 J1605-1139 17 14 07 68.7 308.6 1.1 0.0 3 1907 04 11 00 04 12 10 =1602-115 17 15 18 68.5 308.0 1.1 0.0 70 1925 04 11 01 04 12 10 FRB190520 17 15 18 67.7 307.3 1.2 0.0 -27 1925 No stop 04 16 40 --- 17 19 48 66.9 305.3 1.3 0.0 243 1994 04 12 11 Schedule for HART (Code Hh ) Page 5 Multi-freq study on FRB PRSs - FRB190520 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 10 Mar 2025 Day 69 --- 04 16 40 J1605-1139 17 19 48 67.7 306.0 1.2 0.0 -27 1994 No stop 04 18 30 =1602-115 17 21 39 67.4 305.2 1.2 0.0 83 2022 04 16 41 04 18 30 FRB190520 17 21 39 66.5 304.6 1.3 0.0 -27 2022 No stop 04 23 00 --- 17 26 09 65.7 302.8 1.4 0.0 243 2092 04 18 31 04 23 30 J1605-1139 17 26 39 66.4 303.2 1.3 0.0 3 2092 04 23 30 04 24 40 =1602-115 17 27 50 66.2 302.7 1.4 0.0 70 2110 04 23 31 04 24 40 J1603-1007 17 27 50 64.8 304.8 1.4 0.0 -29 2110 No stop 04 29 10 =1600-099 17 32 20 64.0 303.1 1.5 0.0 241 2180 04 24 41 04 29 10 J1605-1139 17 32 20 65.3 301.0 1.4 0.0 -29 2180 No stop 04 31 00 =1602-115 17 34 11 65.0 300.4 1.5 0.0 81 2208 04 29 11 04 31 00 FRB190520 17 34 11 64.1 299.9 1.5 0.0 -27 2208 No stop 04 35 30 --- 17 38 41 63.2 298.5 1.6 0.0 243 2278 04 31 01 04 36 00 J1605-1139 17 39 11 64.0 298.7 1.5 0.0 3 2278 04 36 00 04 37 10 =1602-115 17 40 22 63.8 298.3 1.6 0.0 70 2296 04 36 01 04 37 10 FRB190520 17 40 22 62.9 297.9 1.6 0.0 -27 2296 No stop 04 41 40 --- 17 44 52 62.0 296.5 1.7 0.0 243 2365 04 37 11 04 41 40 J1605-1139 17 44 52 62.9 296.9 1.6 0.0 -27 2365 No stop 04 43 30 =1602-115 17 46 43 62.5 296.3 1.7 0.0 83 2393 04 41 41 04 43 30 FRB190520 17 46 43 61.6 296.0 1.7 0.0 -27 2393 No stop 04 48 00 --- 17 51 13 60.7 294.7 1.8 0.0 243 2463 04 43 31 04 48 30 J1605-1139 17 51 44 61.5 294.8 1.8 0.0 3 2463 04 48 30 04 49 40 =1602-115 17 52 54 61.2 294.5 1.8 0.0 70 2481 04 48 31 04 49 40 FRB190520 17 52 54 60.4 294.3 1.8 0.0 -27 2481 No stop 04 54 10 --- 17 57 24 59.5 293.1 1.9 0.0 243 2551 04 49 41 04 54 10 J1605-1139 17 57 24 60.3 293.3 1.8 0.0 -27 2551 No stop 04 56 00 =1602-115 17 59 15 59.9 292.8 1.9 0.0 83 2579 04 54 11 04 56 00 FRB190520 17 59 15 59.1 292.6 1.9 0.0 -27 2579 No stop 05 00 30 --- 18 03 46 58.1 291.5 2.0 0.0 243 2649 04 56 01 05 01 00 J1605-1139 18 04 16 58.9 291.5 2.0 0.0 3 2649 05 01 00 05 02 10 =1602-115 18 05 26 58.7 291.2 2.0 0.0 70 2667 05 01 01 Schedule for HART (Code Hh ) Page 6 Multi-freq study on FRB PRSs - FRB190520 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 10 Mar 2025 Day 69 --- 05 02 10 J1603-1007 18 05 26 57.4 293.2 2.0 0.0 -29 2667 No stop 05 06 40 =1600-099 18 09 57 56.5 292.1 2.1 0.0 241 2736 05 02 11 05 06 40 J1605-1139 18 09 57 57.7 290.2 2.1 0.0 -29 2736 No stop 05 08 30 =1602-115 18 11 47 57.3 289.8 2.1 0.0 81 2764 05 06 41 05 08 30 FRB190520 18 11 47 56.4 289.6 2.1 0.0 -27 2764 No stop 05 13 00 --- 18 16 18 55.5 288.6 2.2 0.0 243 2834 05 08 31 05 13 30 J1605-1139 18 16 48 56.2 288.6 2.2 0.0 3 2834 05 13 30 05 14 40 =1602-115 18 17 58 56.0 288.4 2.2 0.0 70 2852 05 13 31 05 14 40 FRB190520 18 17 58 55.1 288.3 2.2 0.0 -27 2852 No stop 05 19 10 --- 18 22 29 54.2 287.3 2.3 0.0 243 2922 05 14 41 05 19 10 J1605-1139 18 22 29 55.0 287.4 2.3 0.0 -27 2922 No stop 05 21 00 =1602-115 18 24 19 54.6 287.1 2.3 0.0 83 2950 05 19 11 05 21 00 FRB190520 18 24 19 53.8 287.0 2.3 0.0 -27 2950 No stop 05 25 30 --- 18 28 50 52.8 286.1 2.4 0.0 243 3020 05 21 01 05 26 00 J1605-1139 18 29 20 53.6 286.1 2.4 0.0 3 3020 05 26 00 05 27 10 =1602-115 18 30 30 53.3 285.9 2.4 0.0 70 3038 05 26 01 05 27 10 FRB190520 18 30 30 52.4 285.8 2.5 0.0 -27 3038 No stop 05 31 40 --- 18 35 01 51.5 284.9 2.5 0.0 243 3107 05 27 11 05 31 40 J1605-1139 18 35 01 52.3 285.0 2.5 0.0 -27 3107 No stop 05 33 30 =1602-115 18 36 51 51.9 284.7 2.5 0.0 83 3135 05 31 41 05 33 30 FRB190520 18 36 51 51.1 284.6 2.6 0.0 -27 3135 No stop 05 38 00 --- 18 41 22 50.1 283.8 2.6 0.0 243 3205 05 33 31 05 38 30 J1605-1139 18 41 52 50.8 283.8 2.6 0.0 3 3205 05 38 30 05 39 40 =1602-115 18 43 02 50.6 283.6 2.6 0.0 70 3223 05 38 31 05 39 40 J1603-1007 18 43 02 49.4 285.3 2.6 0.0 -29 3223 No stop 05 44 10 =1600-099 18 47 33 48.5 284.5 2.7 0.0 241 3293 05 39 41 05 44 10 J1605-1139 18 47 33 49.6 282.8 2.7 0.0 -29 3293 No stop 05 46 00 =1602-115 18 49 23 49.2 282.5 2.7 0.0 81 3321 05 44 11 05 47 40 J1550+0527 18 51 03 36.5 299.2 3.0 0.0 39 3321 05 47 40 05 52 00 =1548+056 18 55 24 35.6 298.4 3.1 0.0 260 3388 05 47 41 Schedule for HART (Code Hh ) Page 7 Multi-freq study on FRB PRSs - FRB190520 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 10 Mar 2025 Day 69 --- ---------- pulsar-check ---------- 05 56 00 B1933+16 18 59 25 46.8 13.2 -0.6 0.0 101 3388 05 56 00 06 00 00 --- 19 03 25 47.0 11.8 -0.6 0.0 240 3450 05 56 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.C2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: hh6cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 256.00 of 512.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 4 Station: HART Total bit rate: 2048 Format: VDIF 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 8 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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: 8 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) * FRB190520 15 59 18.982305 * 16 02 04.261100 16 03 28.002499 0.00 -11 08 58.91332 *-11 17 17.36600 -11 21 37.43389 0.00 From catalog imbedded in main SCHED input file. * B1933+16 19 33 31.814330 * 19 35 47.800000 19 36 55.486576 0.00 16 09 57.63427 * 16 16 39.90000 16 19 45.42432 0.00 From catalog imbedded in main SCHED input file. 1548+056 15 48 06.931007 * 15 50 35.269240 15 51 50.575185 0.01 * J1550+0527 05 36 11.23091 * 05 27 10.44845 05 22 23.36345 0.01 J1550+05 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 9440 observations. 1600-099 16 00 34.687412 * 16 03 18.778244 16 04 41.915178 0.13 * J1603-1007 -09 59 07.60341 *-10 07 21.29503 -10 11 39.39431 0.27 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 134 observations. 1602-115 16 02 31.767572 * 16 05 17.531656 16 06 41.499810 0.02 * J1605-1139 -11 31 20.63028 *-11 39 26.83112 -11 43 40.60186 0.04 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 2275 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 FRB190520 sess125.C2048 1 2 3 4 5 6 7 8 9 2.100 60.271 B1933+16 sess125.C2048 1 2 3 4 5 6 7 8 9 0.067 2.226 J1550+0527 sess125.C2048 1 2 3 4 5 6 7 8 9 0.228 7.554 J1603-1007 sess125.C2048 1 2 3 4 5 6 7 8 9 0.450 12.574 J1605-1139 sess125.C2048 1 2 3 4 5 6 7 8 9 0.875 21.477 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) FRB190520 108.5 B1933+16 59.4 J1550+0527 112.9 J1603-1007 108.4 J1605-1139 107.7 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