COVER INFORMATION Station: HART (Code Hh ) Experiment: EVN+e-MERLIN -Growing black holes or supernova factories in extremely op Exp. Code: EB103D Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Ann Njeri Address: Newcastel University/Jodrell Bank Centre for Astrophysics Herschel Building NE1 7RU, United Kingdom Phone: +447459552429 EMAIL: ann.njeri@newcastle.ac.uk Fax: Phone during observation: Observing mode: Notes: **** Phase-cal off please **** Single pointing with all telescopes Schedule for HART (Code Hh ) Page 2 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 10 Mar 2024 Day 70 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 20 30 00 3C286 09 36 46 10.4 48.7 -3.9 0.0 0 0 20 30 00 20 35 00 --- 09 41 46 11.2 48.0 -3.8 0.0 300 39 20 30 01 20 35 00 J0927+3902 09 41 46 25.1 357.2 0.2 0.0 -150 39 No stop 20 45 30 =4C39.25 09 52 18 24.9 354.9 0.4 0.0 480 120 20 35 01 20 47 00 J1321+2216 09 53 48 20.3 51.2 -3.5 0.0 -53 120 20 47 00 20 52 00 --- 09 58 49 21.2 50.4 -3.4 0.0 247 158 20 47 01 20 52 00 IC860 09 58 49 20.6 47.5 -3.3 0.0 -32 158 No stop 20 55 00 --- 10 01 50 21.1 47.0 -3.2 0.0 148 182 20 52 01 20 55 00 J1321+2216 10 01 50 21.7 49.9 -3.3 0.0 -32 182 No stop 20 57 00 --- 10 03 50 22.0 49.6 -3.3 0.0 88 197 20 55 01 20 57 00 IC860 10 03 50 21.5 46.7 -3.2 0.0 -32 197 No stop 21 00 00 --- 10 06 50 21.9 46.2 -3.2 0.0 148 220 20 57 01 21 00 20 J1321+2216 10 07 10 22.6 49.0 -3.3 0.0 -12 220 21 00 20 21 02 00 --- 10 08 51 22.9 48.7 -3.2 0.0 88 233 21 00 21 21 02 00 IC860 10 08 51 22.3 45.8 -3.1 0.0 -32 233 No stop 21 05 00 --- 10 11 51 22.8 45.3 -3.1 0.0 148 256 21 02 01 21 05 00 J1321+2216 10 11 51 23.4 48.2 -3.2 0.0 -32 256 No stop 21 07 00 --- 10 13 52 23.7 47.9 -3.1 0.0 88 272 21 05 01 21 07 00 IC860 10 13 52 23.1 45.0 -3.0 0.0 -32 272 No stop 21 10 00 --- 10 16 52 23.5 44.4 -3.0 0.0 148 295 21 07 01 21 10 20 J1321+2216 10 17 12 24.3 47.3 -3.1 0.0 -12 295 21 10 20 21 12 00 --- 10 18 52 24.6 47.0 -3.1 0.0 88 308 21 10 21 21 12 00 IC860 10 18 52 23.9 44.1 -3.0 0.0 -32 308 No stop 21 15 00 --- 10 21 53 24.3 43.5 -2.9 0.0 148 331 21 12 01 21 15 00 J1321+2216 10 21 53 25.1 46.4 -3.0 0.0 -32 331 No stop 21 17 00 --- 10 23 53 25.4 46.1 -3.0 0.0 88 347 21 15 01 21 17 00 IC860 10 23 53 24.6 43.2 -2.9 0.0 -32 347 No stop 21 20 00 --- 10 26 54 25.1 42.6 -2.8 0.0 148 370 21 17 01 Schedule for HART (Code Hh ) Page 3 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 10 Mar 2024 Day 70 --- 21 20 20 J1321+2216 10 27 14 25.9 45.4 -2.9 0.0 -12 370 21 20 20 21 22 00 --- 10 28 54 26.2 45.1 -2.9 0.0 88 383 21 20 21 21 22 00 IC860 10 28 54 25.4 42.2 -2.8 0.0 -32 383 No stop 21 25 00 --- 10 31 55 25.9 41.6 -2.7 0.0 148 406 21 22 01 21 25 00 J1321+2216 10 31 55 26.7 44.6 -2.8 0.0 -32 406 No stop 21 27 00 --- 10 33 55 27.0 44.2 -2.8 0.0 88 421 21 25 01 21 27 00 IC860 10 33 55 26.2 41.3 -2.7 0.0 -32 421 No stop 21 30 00 --- 10 36 55 26.6 40.7 -2.7 0.0 148 444 21 27 01 21 30 20 J1321+2216 10 37 15 27.5 43.5 -2.8 0.0 -12 444 21 30 20 21 32 00 --- 10 38 56 27.8 43.2 -2.7 0.0 88 457 21 30 21 21 32 00 IC860 10 38 56 26.9 40.3 -2.6 0.0 -32 457 No stop 21 35 00 --- 10 41 56 27.3 39.7 -2.6 0.0 148 480 21 32 01 21 35 00 J1321+2216 10 41 56 28.2 42.6 -2.7 0.0 -32 480 No stop 21 37 00 --- 10 43 57 28.5 42.2 -2.6 0.0 88 496 21 35 01 21 37 00 IC860 10 43 57 27.6 39.3 -2.5 0.0 -32 496 No stop 21 40 00 --- 10 46 57 28.0 38.7 -2.5 0.0 148 519 21 37 01 21 40 20 J1321+2216 10 47 17 29.0 41.6 -2.6 0.0 -12 519 21 40 20 21 42 00 --- 10 48 57 29.3 41.2 -2.6 0.0 88 532 21 40 21 21 42 00 IC860 10 48 57 28.3 38.3 -2.5 0.0 -32 532 No stop 21 45 00 --- 10 51 58 28.7 37.7 -2.4 0.0 148 555 21 42 01 21 45 00 J1321+2216 10 51 58 29.7 40.6 -2.5 0.0 -32 555 No stop 21 47 00 --- 10 53 58 30.0 40.2 -2.5 0.0 88 571 21 45 01 21 47 00 IC860 10 53 58 29.0 37.2 -2.4 0.0 -32 571 No stop 21 50 00 --- 10 56 59 29.4 36.6 -2.3 0.0 148 594 21 47 01 21 50 20 J1321+2216 10 57 19 30.5 39.5 -2.4 0.0 -12 594 21 50 20 21 52 00 --- 10 58 59 30.7 39.1 -2.4 0.0 88 607 21 50 21 21 52 00 IC860 10 58 59 29.7 36.2 -2.3 0.0 -32 607 No stop 21 55 00 --- 11 01 59 30.1 35.6 -2.2 0.0 148 630 21 52 01 21 55 00 J1321+2216 11 01 59 31.1 38.5 -2.3 0.0 -32 630 No stop 21 57 00 --- 11 04 00 31.4 38.0 -2.3 0.0 88 645 21 55 01 Schedule for HART (Code Hh ) Page 4 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 10 Mar 2024 Day 70 --- 21 57 00 IC860 11 04 00 30.3 35.1 -2.2 0.0 -32 645 No stop 22 00 00 --- 11 07 00 30.7 34.5 -2.2 0.0 148 669 21 57 01 22 00 20 J1321+2216 11 07 20 31.9 37.3 -2.3 0.0 -12 669 22 00 20 22 02 00 --- 11 09 01 32.1 36.9 -2.2 0.0 88 681 22 00 21 22 02 00 IC860 11 09 01 31.0 34.0 -2.1 0.0 -32 681 No stop 22 05 00 --- 11 12 01 31.4 33.4 -2.1 0.0 148 705 22 02 01 22 05 00 J1321+2216 11 12 01 32.5 36.3 -2.2 0.0 -32 705 No stop 22 07 00 --- 11 14 01 32.8 35.8 -2.1 0.0 88 720 22 05 01 22 07 00 IC860 11 14 01 31.6 32.9 -2.0 0.0 -32 720 No stop 22 10 00 --- 11 17 02 32.0 32.2 -2.0 0.0 148 743 22 07 01 22 10 20 J1321+2216 11 17 22 33.2 35.1 -2.1 0.0 -12 743 22 10 20 22 12 00 --- 11 19 02 33.4 34.7 -2.1 0.0 88 756 22 10 21 22 12 00 IC860 11 19 02 32.2 31.8 -2.0 0.0 -32 756 No stop 22 15 00 --- 11 22 03 32.6 31.1 -1.9 0.0 148 779 22 12 01 22 15 00 J1321+2216 11 22 03 33.8 34.0 -2.0 0.0 -32 779 No stop 22 17 00 --- 11 24 03 34.1 33.5 -2.0 0.0 88 795 22 15 01 22 17 00 IC860 11 24 03 32.8 30.6 -1.9 0.0 -32 795 No stop 22 20 00 --- 11 27 04 33.1 29.9 -1.8 0.0 148 818 22 17 01 22 20 20 J1321+2216 11 27 24 34.5 32.7 -1.9 0.0 -12 818 22 20 20 22 22 00 --- 11 29 04 34.7 32.3 -1.9 0.0 88 831 22 20 21 22 22 00 IC860 11 29 04 33.4 29.4 -1.8 0.0 -32 831 No stop 22 25 00 --- 11 32 04 33.7 28.7 -1.7 0.0 148 854 22 22 01 22 25 00 J1321+2216 11 32 04 35.0 31.6 -1.8 0.0 -32 854 No stop 22 27 00 --- 11 34 05 35.3 31.1 -1.8 0.0 88 870 22 25 01 22 27 00 IC860 11 34 05 33.9 28.2 -1.7 0.0 -32 870 No stop 22 30 00 --- 11 37 05 34.2 27.5 -1.7 0.0 148 893 22 27 01 22 30 20 J1321+2216 11 37 25 35.7 30.3 -1.7 0.0 -12 893 22 30 20 22 32 00 --- 11 39 06 35.8 29.8 -1.7 0.0 88 906 22 30 21 22 32 00 IC860 11 39 06 34.4 27.0 -1.6 0.0 -32 906 No stop 22 35 00 --- 11 42 06 34.7 26.2 -1.6 0.0 148 929 22 32 01 Schedule for HART (Code Hh ) Page 5 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 10 Mar 2024 Day 70 --- 22 35 00 J1321+2216 11 42 06 36.2 29.1 -1.7 0.0 -32 929 No stop 22 37 00 --- 11 44 06 36.4 28.6 -1.6 0.0 88 944 22 35 01 22 37 00 IC860 11 44 06 34.9 25.7 -1.5 0.0 -32 944 No stop 22 40 00 --- 11 47 07 35.2 25.0 -1.5 0.0 148 967 22 37 01 22 40 20 J1321+2216 11 47 27 36.7 27.7 -1.6 0.0 -12 967 22 40 20 22 42 00 --- 11 49 07 36.9 27.3 -1.6 0.0 88 980 22 40 21 22 42 00 IC860 11 49 07 35.4 24.5 -1.5 0.0 -32 980 No stop 22 45 00 --- 11 52 08 35.7 23.7 -1.4 0.0 148 1004 22 42 01 22 45 00 J1321+2216 11 52 08 37.2 26.5 -1.5 0.0 -32 1004 No stop 22 47 00 --- 11 54 08 37.4 26.0 -1.5 0.0 88 1019 22 45 01 22 47 00 IC860 11 54 08 35.9 23.2 -1.4 0.0 -32 1019 No stop 22 50 00 --- 11 57 09 36.1 22.4 -1.3 0.0 148 1042 22 47 01 22 50 20 J1321+2216 11 57 29 37.8 25.1 -1.4 0.0 -12 1042 22 50 20 22 52 00 --- 11 59 09 37.9 24.6 -1.4 0.0 88 1055 22 50 21 22 52 00 IC860 11 59 09 36.3 21.9 -1.3 0.0 -32 1055 No stop 22 55 00 --- 12 02 09 36.5 21.1 -1.2 0.0 148 1078 22 52 01 22 55 00 J1321+2216 12 02 09 38.2 23.8 -1.3 0.0 -32 1078 No stop 22 57 00 --- 12 04 10 38.4 23.3 -1.3 0.0 88 1094 22 55 01 22 57 00 IC860 12 04 10 36.7 20.6 -1.2 0.0 -32 1094 No stop 23 00 00 --- 12 07 10 36.9 19.8 -1.2 0.0 148 1117 22 57 01 23 00 20 J1321+2216 12 07 30 38.7 22.4 -1.2 0.0 -12 1117 23 00 20 23 02 00 --- 12 09 10 38.8 21.9 -1.2 0.0 88 1130 23 00 21 23 02 00 IC860 12 09 10 37.1 19.2 -1.1 0.0 -32 1130 No stop 23 05 00 --- 12 12 11 37.3 18.4 -1.1 0.0 148 1153 23 02 01 23 05 00 J1321+2216 12 12 11 39.0 21.1 -1.2 0.0 -32 1153 No stop 23 07 00 --- 12 14 11 39.2 20.5 -1.1 0.0 88 1168 23 05 01 23 07 00 IC860 12 14 11 37.4 17.9 -1.0 0.0 -32 1168 No stop 23 10 00 --- 12 17 12 37.6 17.0 -1.0 0.0 148 1192 23 07 01 23 10 20 J1321+2216 12 17 32 39.5 19.6 -1.1 0.0 -12 1192 23 10 20 23 12 00 --- 12 19 12 39.6 19.1 -1.1 0.0 88 1204 23 10 21 Schedule for HART (Code Hh ) Page 6 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 10 Mar 2024 Day 70 --- 23 12 30 J0927+3902 12 19 42 13.8 327.0 2.9 0.0 -115 1204 23 12 30 23 22 30 =4C39.25 12 29 44 12.6 325.5 3.0 0.0 485 1282 23 12 31 23 24 30 J1321+2216 12 31 44 40.4 15.5 -0.8 0.0 -23 1282 23 24 30 23 30 30 --- 12 37 45 40.8 13.7 -0.7 0.0 337 1328 23 24 31 23 30 30 IC860 12 37 45 38.8 11.3 -0.6 0.0 -32 1328 No stop 23 33 30 --- 12 40 46 38.9 10.4 -0.6 0.0 148 1351 23 30 31 23 33 30 J1321+2216 12 40 46 40.9 12.8 -0.7 0.0 -32 1351 No stop 23 35 30 --- 12 42 46 41.0 12.2 -0.7 0.0 88 1367 23 33 31 23 35 30 IC860 12 42 46 39.0 9.8 -0.6 0.0 -32 1367 No stop 23 38 30 --- 12 45 46 39.1 8.9 -0.5 0.0 148 1390 23 35 31 23 38 50 J1321+2216 12 46 07 41.2 11.2 -0.6 0.0 -12 1390 23 38 50 23 40 30 --- 12 47 47 41.2 10.7 -0.6 0.0 88 1403 23 38 51 23 40 30 IC860 12 47 47 39.2 8.4 -0.5 0.0 -32 1403 No stop 23 43 30 --- 12 50 47 39.2 7.5 -0.4 0.0 148 1426 23 40 31 23 43 30 J1321+2216 12 50 47 41.4 9.8 -0.5 0.0 -32 1426 No stop 23 45 30 --- 12 52 48 41.4 9.1 -0.5 0.0 88 1441 23 43 31 23 45 30 IC860 12 52 48 39.3 6.9 -0.4 0.0 -32 1441 No stop 23 48 30 --- 12 55 48 39.4 6.0 -0.3 0.0 148 1465 23 45 31 23 48 50 J1321+2216 12 56 08 41.6 8.1 -0.4 0.0 -12 1465 23 48 50 23 50 30 --- 12 57 48 41.6 7.6 -0.4 0.0 88 1478 23 48 51 23 50 30 IC860 12 57 48 39.4 5.4 -0.3 0.0 -32 1478 No stop 23 53 30 --- 13 00 49 39.5 4.5 -0.3 0.0 148 1501 23 50 31 23 53 30 J1321+2216 13 00 49 41.7 6.7 -0.4 0.0 -32 1501 No stop 23 55 30 --- 13 02 49 41.7 6.1 -0.3 0.0 88 1516 23 53 31 23 55 30 IC860 13 02 49 39.5 4.0 -0.2 0.0 -32 1516 No stop 23 58 30 --- 13 05 50 39.6 3.1 -0.2 0.0 148 1539 23 55 31 --- Start: Sun 10 Mar 2024 Day 70 -- Stop: Mon 11 Mar 2024 Day 71 --- 23 58 50 J1321+2216 13 06 10 41.8 5.0 -0.3 0.0 -12 1539 23 58 50 00 00 30 --- 13 07 50 41.8 4.5 -0.2 0.0 88 1552 23 58 51 Schedule for HART (Code Hh ) Page 7 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 11 Mar 2024 Day 71 --- 00 00 30 IC860 13 07 50 39.6 2.5 -0.1 0.0 -32 1552 No stop 00 03 30 --- 13 10 51 39.6 1.6 -0.1 0.0 148 1575 00 00 31 00 03 30 J1321+2216 13 10 51 41.9 3.6 -0.2 0.0 -32 1575 No stop 00 05 30 --- 13 12 51 41.9 3.0 -0.2 0.0 88 1591 00 03 31 00 05 30 IC860 13 12 51 39.6 1.0 -0.1 0.0 -32 1591 No stop 00 08 30 --- 13 15 51 39.6 0.1 -0.0 0.0 148 1614 00 05 31 00 08 50 J1321+2216 13 16 11 41.9 1.9 -0.1 0.0 -12 1614 00 08 50 00 10 30 --- 13 17 52 42.0 1.4 -0.1 0.0 88 1627 00 08 51 00 10 30 IC860 13 17 52 39.6 359.5 0.0 0.0 -32 1627 No stop 00 13 30 --- 13 20 52 39.6 358.6 0.1 0.0 148 1650 00 10 31 00 13 30 J1321+2216 13 20 52 42.0 0.5 -0.0 0.0 -32 1650 No stop 00 15 30 --- 13 22 53 42.0 359.8 0.0 0.0 88 1666 00 13 31 00 15 30 IC860 13 22 53 39.6 358.0 0.1 0.0 -32 1666 No stop 00 18 30 --- 13 25 53 39.6 357.2 0.2 0.0 148 1689 00 15 31 00 18 50 J1321+2216 13 26 13 42.0 358.8 0.1 0.0 -12 1689 00 18 50 00 20 30 --- 13 27 53 42.0 358.3 0.1 0.0 88 1702 00 18 51 00 20 30 IC860 13 27 53 39.5 356.6 0.2 0.0 -32 1702 No stop 00 23 30 --- 13 30 54 39.5 355.7 0.2 0.0 148 1725 00 20 31 00 23 30 J1321+2216 13 30 54 41.9 357.3 0.1 0.0 -32 1725 No stop 00 25 30 --- 13 32 54 41.9 356.7 0.2 0.0 88 1740 00 23 31 00 25 30 IC860 13 32 54 39.5 355.1 0.3 0.0 -32 1740 No stop 00 28 30 --- 13 35 55 39.4 354.2 0.3 0.0 148 1764 00 25 31 00 28 50 J1321+2216 13 36 15 41.9 355.7 0.2 0.0 -12 1764 00 28 50 00 30 30 --- 13 37 55 41.8 355.2 0.3 0.0 88 1776 00 28 51 00 30 30 IC860 13 37 55 39.4 353.6 0.4 0.0 -32 1776 No stop 00 33 30 --- 13 40 56 39.3 352.7 0.4 0.0 148 1800 00 30 31 00 33 30 J1321+2216 13 40 56 41.8 354.2 0.3 0.0 -32 1800 No stop 00 35 30 --- 13 42 56 41.7 353.6 0.3 0.0 88 1815 00 33 31 00 35 30 IC860 13 42 56 39.2 352.2 0.4 0.0 -32 1815 No stop 00 38 30 --- 13 45 56 39.1 351.3 0.5 0.0 148 1838 00 35 31 Schedule for HART (Code Hh ) Page 8 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 11 Mar 2024 Day 71 --- 00 38 50 J1321+2216 13 46 16 41.6 352.6 0.4 0.0 -12 1838 00 38 50 00 40 30 --- 13 47 57 41.6 352.1 0.4 0.0 88 1851 00 38 51 00 40 30 IC860 13 47 57 39.0 350.7 0.5 0.0 -32 1851 No stop 00 43 30 --- 13 50 57 38.9 349.8 0.6 0.0 148 1874 00 40 31 00 43 30 J1321+2216 13 50 57 41.5 351.2 0.5 0.0 -32 1874 No stop 00 45 30 --- 13 52 57 41.4 350.5 0.5 0.0 88 1890 00 43 31 00 45 30 IC860 13 52 57 38.8 349.3 0.6 0.0 -32 1890 No stop 00 48 30 --- 13 55 58 38.7 348.4 0.7 0.0 148 1913 00 45 31 00 48 50 J1321+2216 13 56 18 41.3 349.5 0.6 0.0 -12 1913 00 48 50 00 50 30 --- 13 57 58 41.2 349.0 0.6 0.0 88 1926 00 48 51 00 50 30 IC860 13 57 58 38.6 347.8 0.7 0.0 -32 1926 No stop 00 53 30 --- 14 00 59 38.5 347.0 0.7 0.0 148 1949 00 50 31 00 53 30 J1321+2216 14 00 59 41.1 348.1 0.6 0.0 -32 1949 No stop 00 55 30 --- 14 02 59 41.0 347.5 0.7 0.0 88 1964 00 53 31 00 55 30 IC860 14 02 59 38.4 346.4 0.8 0.0 -32 1964 No stop 00 58 30 --- 14 06 00 38.2 345.6 0.8 0.0 148 1988 00 55 31 00 58 50 J1321+2216 14 06 20 40.8 346.5 0.7 0.0 -12 1988 00 58 50 01 00 30 --- 14 08 00 40.7 346.0 0.8 0.0 88 2001 00 58 51 01 00 30 IC860 14 08 00 38.1 345.0 0.9 0.0 -32 2001 No stop 01 03 30 --- 14 11 00 37.9 344.2 0.9 0.0 148 2024 01 00 31 01 03 30 J1321+2216 14 11 00 40.5 345.1 0.8 0.0 -32 2024 No stop 01 05 30 --- 14 13 01 40.4 344.5 0.8 0.0 88 2039 01 03 31 01 05 30 IC860 14 13 01 37.8 343.6 0.9 0.0 -32 2039 No stop 01 08 30 --- 14 16 01 37.6 342.8 1.0 0.0 148 2062 01 05 31 01 08 50 J1321+2216 14 16 21 40.2 343.6 0.9 0.0 -12 2062 01 08 50 01 10 30 --- 14 18 02 40.1 343.1 0.9 0.0 88 2075 01 08 51 01 10 30 IC860 14 18 02 37.5 342.2 1.0 0.0 -32 2075 No stop 01 13 30 --- 14 21 02 37.2 341.4 1.1 0.0 148 2098 01 10 31 01 13 30 J1321+2216 14 21 02 39.9 342.2 1.0 0.0 -32 2098 No stop 01 15 30 --- 14 23 02 39.8 341.6 1.0 0.0 88 2114 01 13 31 Schedule for HART (Code Hh ) Page 9 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 11 Mar 2024 Day 71 --- 01 15 30 IC860 14 23 02 37.1 340.9 1.1 0.0 -32 2114 No stop 01 18 30 --- 14 26 03 36.9 340.1 1.2 0.0 148 2137 01 15 31 01 18 50 J1321+2216 14 26 23 39.5 340.7 1.1 0.0 -12 2137 01 18 50 01 20 30 --- 14 28 03 39.4 340.2 1.1 0.0 88 2150 01 18 51 01 20 30 IC860 14 28 03 36.7 339.5 1.2 0.0 -32 2150 No stop 01 23 30 --- 14 31 04 36.5 338.7 1.2 0.0 148 2173 01 20 31 01 23 30 J1321+2216 14 31 04 39.2 339.3 1.1 0.0 -32 2173 No stop 01 25 30 --- 14 33 04 39.0 338.8 1.2 0.0 88 2189 01 23 31 01 25 30 IC860 14 33 04 36.3 338.2 1.3 0.0 -32 2189 No stop 01 28 30 --- 14 36 05 36.1 337.4 1.3 0.0 148 2212 01 25 31 01 28 50 J1321+2216 14 36 25 38.7 337.9 1.2 0.0 -12 2212 01 28 50 01 30 30 --- 14 38 05 38.6 337.4 1.3 0.0 88 2225 01 28 51 01 30 30 IC860 14 38 05 35.9 336.9 1.4 0.0 -32 2225 No stop 01 33 30 --- 14 41 05 35.6 336.1 1.4 0.0 148 2248 01 30 31 01 33 30 J1321+2216 14 41 05 38.3 336.6 1.3 0.0 -32 2248 No stop 01 35 30 --- 14 43 06 38.1 336.0 1.3 0.0 88 2263 01 33 31 01 35 30 IC860 14 43 06 35.4 335.6 1.4 0.0 -32 2263 No stop 01 38 30 --- 14 46 06 35.1 334.8 1.5 0.0 148 2287 01 35 31 01 38 50 J1321+2216 14 46 26 37.8 335.1 1.4 0.0 -12 2287 01 38 50 01 40 30 --- 14 48 07 37.7 334.7 1.4 0.0 88 2299 01 38 51 01 40 30 IC860 14 48 07 34.9 334.3 1.5 0.0 -32 2299 No stop 01 43 30 --- 14 51 07 34.7 333.6 1.6 0.0 148 2323 01 40 31 01 43 30 J1321+2216 14 51 07 37.4 333.9 1.5 0.0 -32 2323 No stop 01 45 30 --- 14 53 07 37.2 333.4 1.5 0.0 88 2338 01 43 31 01 45 30 IC860 14 53 07 34.4 333.1 1.6 0.0 -32 2338 No stop 01 48 30 --- 14 56 08 34.1 332.3 1.7 0.0 148 2361 01 45 31 01 48 50 J1321+2216 14 56 28 36.8 332.5 1.6 0.0 -12 2361 01 48 50 01 50 30 --- 14 58 08 36.7 332.1 1.6 0.0 88 2374 01 48 51 01 50 50 J1642+3948 14 58 28 19.9 21.3 -1.8 0.0 -107 2374 01 50 50 02 00 30 =3C345 15 08 10 20.7 19.5 -1.6 0.0 473 2449 01 50 51 Schedule for HART (Code Hh ) Page 10 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 11 Mar 2024 Day 71 --- 02 02 30 J1321+2216 15 10 10 35.3 329.0 1.8 0.0 -9 2449 02 02 30 02 07 30 --- 15 15 11 34.7 327.8 1.9 0.0 291 2487 02 02 31 02 07 30 IC860 15 15 11 32.0 327.8 2.0 0.0 -32 2487 No stop 02 10 30 --- 15 18 11 31.6 327.2 2.0 0.0 148 2511 02 07 31 02 10 30 J1321+2216 15 18 11 34.4 327.1 1.9 0.0 -32 2511 No stop 02 12 30 --- 15 20 12 34.1 326.6 2.0 0.0 88 2526 02 10 31 02 12 30 IC860 15 20 12 31.4 326.7 2.1 0.0 -32 2526 No stop 02 15 30 --- 15 23 12 31.0 326.0 2.1 0.0 148 2549 02 12 31 02 15 50 J1321+2216 15 23 32 33.7 325.8 2.0 0.0 -12 2549 02 15 50 02 17 30 --- 15 25 13 33.5 325.4 2.0 0.0 88 2562 02 15 51 02 17 30 IC860 15 25 13 30.8 325.6 2.1 0.0 -32 2562 No stop 02 20 30 --- 15 28 13 30.4 324.9 2.2 0.0 148 2585 02 17 31 02 20 30 J1321+2216 15 28 13 33.1 324.7 2.1 0.0 -32 2585 No stop 02 22 30 --- 15 30 13 32.8 324.3 2.1 0.0 88 2601 02 20 31 02 22 30 IC860 15 30 13 30.1 324.5 2.2 0.0 -32 2601 No stop 02 25 30 --- 15 33 14 29.7 323.9 2.3 0.0 148 2624 02 22 31 02 25 50 J1321+2216 15 33 34 32.4 323.5 2.2 0.0 -12 2624 02 25 50 02 27 30 --- 15 35 14 32.2 323.2 2.2 0.0 88 2637 02 25 51 02 27 30 IC860 15 35 14 29.5 323.4 2.3 0.0 -32 2637 No stop 02 30 30 --- 15 38 15 29.0 322.8 2.4 0.0 148 2660 02 27 31 02 30 30 J1321+2216 15 38 15 31.8 322.5 2.3 0.0 -32 2660 No stop 02 32 30 --- 15 40 15 31.5 322.1 2.3 0.0 88 2676 02 30 31 02 32 30 IC860 15 40 15 28.8 322.4 2.4 0.0 -32 2676 No stop 02 35 30 --- 15 43 16 28.4 321.8 2.5 0.0 148 2699 02 32 31 02 35 50 J1321+2216 15 43 36 31.0 321.3 2.4 0.0 -12 2699 02 35 50 02 37 30 --- 15 45 16 30.8 321.0 2.4 0.0 88 2712 02 35 51 02 37 30 IC860 15 45 16 28.1 321.4 2.5 0.0 -32 2712 No stop 02 40 30 --- 15 48 16 27.7 320.8 2.5 0.0 148 2735 02 37 31 02 40 30 J1321+2216 15 48 16 30.4 320.3 2.4 0.0 -32 2735 No stop 02 42 30 --- 15 50 17 30.1 319.9 2.5 0.0 88 2750 02 40 31 Schedule for HART (Code Hh ) Page 11 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 11 Mar 2024 Day 71 --- 02 42 30 IC860 15 50 17 27.4 320.4 2.6 0.0 -32 2750 No stop 02 45 30 --- 15 53 17 26.9 319.8 2.6 0.0 148 2773 02 42 31 02 45 50 J1321+2216 15 53 37 29.6 319.2 2.5 0.0 -12 2773 02 45 50 02 47 30 --- 15 55 18 29.3 318.9 2.5 0.0 88 2786 02 45 51 02 47 30 IC860 15 55 18 26.6 319.4 2.7 0.0 -32 2786 No stop 02 50 30 --- 15 58 18 26.2 318.8 2.7 0.0 148 2810 02 47 31 02 50 30 J1321+2216 15 58 18 28.9 318.3 2.6 0.0 -32 2810 No stop 02 52 30 --- 16 00 18 28.6 317.9 2.6 0.0 88 2825 02 50 31 02 52 30 IC860 16 00 18 25.9 318.4 2.7 0.0 -32 2825 No stop 02 55 30 --- 16 03 19 25.4 317.8 2.8 0.0 148 2848 02 52 31 02 55 50 J1321+2216 16 03 39 28.1 317.2 2.7 0.0 -12 2848 02 55 50 02 57 30 --- 16 05 19 27.8 316.9 2.7 0.0 88 2861 02 55 51 02 57 30 IC860 16 05 19 25.1 317.5 2.8 0.0 -32 2861 No stop 03 00 30 --- 16 08 20 24.7 316.9 2.9 0.0 148 2884 02 57 31 03 00 30 J1321+2216 16 08 20 27.4 316.3 2.8 0.0 -32 2884 No stop 03 02 30 --- 16 10 20 27.1 315.9 2.8 0.0 88 2900 03 00 31 03 02 30 IC860 16 10 20 24.4 316.5 2.9 0.0 -32 2900 No stop 03 05 30 --- 16 13 20 23.9 316.0 3.0 0.0 148 2923 03 02 31 03 05 50 J1321+2216 16 13 41 26.5 315.3 2.9 0.0 -12 2923 03 05 50 03 07 30 --- 16 15 21 26.3 315.0 2.9 0.0 88 2936 03 05 51 03 07 30 IC860 16 15 21 23.6 315.6 3.0 0.0 -32 2936 No stop 03 10 30 --- 16 18 21 23.1 315.1 3.0 0.0 148 2959 03 07 31 03 10 30 J1321+2216 16 18 21 25.8 314.4 2.9 0.0 -32 2959 No stop 03 12 30 --- 16 20 22 25.5 314.0 3.0 0.0 88 2974 03 10 31 03 12 30 IC860 16 20 22 22.8 314.7 3.1 0.0 -32 2974 No stop 03 15 30 --- 16 23 22 22.3 314.2 3.1 0.0 148 2998 03 12 31 03 15 50 J1321+2216 16 23 42 24.9 313.4 3.0 0.0 -12 2998 03 15 50 03 17 30 --- 16 25 22 24.6 313.1 3.1 0.0 88 3011 03 15 51 03 17 30 IC860 16 25 22 22.0 313.9 3.2 0.0 -32 3011 No stop 03 20 30 --- 16 28 23 21.5 313.3 3.2 0.0 148 3034 03 17 31 Schedule for HART (Code Hh ) Page 12 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 11 Mar 2024 Day 71 --- 03 20 30 J1321+2216 16 28 23 24.1 312.6 3.1 0.0 -32 3034 No stop 03 22 30 --- 16 30 23 23.8 312.2 3.1 0.0 88 3049 03 20 31 03 22 30 IC860 16 30 23 21.2 313.0 3.2 0.0 -32 3049 No stop 03 25 30 --- 16 33 24 20.7 312.5 3.3 0.0 148 3072 03 22 31 03 25 50 J1321+2216 16 33 44 23.3 311.6 3.2 0.0 -12 3072 03 25 50 03 27 30 --- 16 35 24 23.0 311.4 3.2 0.0 88 3085 03 25 51 03 27 30 IC860 16 35 24 20.3 312.2 3.3 0.0 -32 3085 No stop 03 30 30 --- 16 38 25 19.8 311.7 3.4 0.0 148 3108 03 27 31 03 30 30 J1321+2216 16 38 25 22.5 310.8 3.3 0.0 -32 3108 No stop 03 32 30 --- 16 40 25 22.1 310.5 3.3 0.0 88 3124 03 30 31 03 32 30 IC860 16 40 25 19.5 311.3 3.4 0.0 -32 3124 No stop 03 35 30 --- 16 43 25 19.0 310.9 3.5 0.0 148 3147 03 32 31 03 35 50 J1321+2216 16 43 45 21.5 309.9 3.4 0.0 -12 3147 03 35 50 03 37 30 --- 16 45 26 21.3 309.7 3.4 0.0 88 3160 03 35 51 03 37 30 IC860 16 45 26 18.6 310.5 3.5 0.0 -32 3160 No stop 03 40 30 --- 16 48 26 18.1 310.1 3.5 0.0 148 3183 03 37 31 03 40 30 J1321+2216 16 48 26 20.7 309.2 3.4 0.0 -32 3183 No stop 03 42 30 --- 16 50 27 20.4 308.8 3.5 0.0 88 3199 03 40 31 03 42 30 IC860 16 50 27 17.8 309.8 3.6 0.0 -32 3199 No stop 03 45 30 --- 16 53 27 17.3 309.3 3.6 0.0 148 3222 03 42 31 03 45 50 J1321+2216 16 53 47 19.8 308.3 3.5 0.0 -12 3222 03 45 50 03 47 30 --- 16 55 27 19.5 308.0 3.6 0.0 88 3235 03 45 51 03 47 30 IC860 16 55 27 16.9 309.0 3.7 0.0 -32 3235 No stop 03 50 30 --- 16 58 28 16.4 308.5 3.7 0.0 148 3258 03 47 31 03 50 30 J1321+2216 16 58 28 19.0 307.6 3.6 0.0 -32 3258 No stop 03 52 30 --- 17 00 28 18.6 307.3 3.6 0.0 88 3273 03 50 31 03 52 30 IC860 17 00 28 16.0 308.2 3.7 0.0 -32 3273 No stop 03 55 30 --- 17 03 29 15.5 307.8 3.8 0.0 148 3296 03 52 31 03 55 50 J1321+2216 17 03 49 18.0 306.7 3.7 0.0 -12 3296 03 55 50 03 57 30 --- 17 05 29 17.7 306.5 3.7 0.0 88 3309 03 55 51 Schedule for HART (Code Hh ) Page 13 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 11 Mar 2024 Day 71 --- 03 57 30 IC860 17 05 29 15.1 307.5 3.8 0.0 -32 3309 No stop 04 00 30 --- 17 08 30 14.6 307.1 3.9 0.0 148 3333 03 57 31 04 00 30 J1321+2216 17 08 30 17.2 306.0 3.8 0.0 -32 3333 No stop 04 02 30 --- 17 10 30 16.8 305.7 3.8 0.0 88 3348 04 00 31 04 02 30 IC860 17 10 30 14.2 306.8 3.9 0.0 -32 3348 No stop 04 05 30 --- 17 13 30 13.7 306.3 4.0 0.0 148 3371 04 02 31 04 05 50 J1321+2216 17 13 50 16.2 305.2 3.9 0.0 -12 3371 04 05 50 04 07 30 --- 17 15 31 15.9 305.0 3.9 0.0 88 3384 04 05 51 04 07 30 IC860 17 15 31 13.3 306.1 4.0 0.0 -32 3384 No stop 04 10 30 --- 17 18 31 12.8 305.6 4.0 0.0 148 3407 04 07 31 04 10 30 J1321+2216 17 18 31 15.3 304.6 3.9 0.0 -32 3407 No stop 04 12 30 --- 17 20 31 14.9 304.3 4.0 0.0 88 3423 04 10 31 04 12 30 IC860 17 20 31 12.4 305.4 4.1 0.0 -32 3423 No stop 04 15 30 --- 17 23 32 11.9 304.9 4.1 0.0 148 3446 04 12 31 04 15 50 J1321+2216 17 23 52 14.3 303.8 4.0 0.0 -12 3446 04 15 50 04 17 30 --- 17 25 32 14.0 303.6 4.1 0.0 88 3459 04 15 51 04 18 00 J1642+3948 17 26 02 23.6 351.2 0.7 0.0 -97 3459 04 18 00 04 30 00 =3C345 17 38 04 23.1 348.7 0.9 0.0 623 3552 04 18 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess124.L1024 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: hh18cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 122.49 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 5 Station: HART Total bit rate: 1024 Format: VDIF 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= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 10 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * IC860 13 12 39.496724 * 13 15 03.510000 13 16 14.331378 0.00 24 52 58.07250 * 24 37 07.70000 24 29 16.36500 0.00 From catalog imbedded in main SCHED input file. Target * J1321+2216 13 18 46.850235 * 13 21 11.202556 13 22 22.129757 0.00 22 31 53.67224 * 22 16 12.10843 22 08 24.94908 0.00 From catalog imbedded in main SCHED input file. Phaseref approx 2.74 degrees from IC860 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 35.045126 0.31 * J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 05.33481 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 observations. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 16.584387 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 22 52.03752 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 observations. 3C345 16 41 17.606229 * 16 42 58.809967 16 43 47.992001 0.79 * J1642+3948 39 54 10.81492 * 39 48 36.99399 39 45 31.39589 0.59 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 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 IC860 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 4.100 375.286 J1321+2216 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 2.772 228.078 J0927+3902 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 0.342 24.161 3C286 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 0.083 10.000 J1642+3948 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 0.361 24.470 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) IC860 146.3 J1321+2216 146.4 J0927+3902 135.6 3C286 140.0 J1642+3948 100.5 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