COVER INFORMATION Station: ONSALA85 (Code O8 ) 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 ONSALA85 (Code O8 ) 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: 896.49 896.49 896.49 896.49 960.49 960.49 960.49 960.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 20 30 00 3C286 08 33 41 33.3 84.5 -5.0 0.0 0 0 20 30 00 20 35 00 --- 08 38 42 34.0 85.5 -4.9 0.0 300 39 20 30 01 20 35 00 J0927+3902 08 38 42 69.8 150.8 -0.8 0.0 -220 39 No stop 20 45 30 =4C39.25 08 49 14 70.5 156.6 -0.7 0.0 410 120 20 35 01 20 47 00 J1321+2216 08 50 44 30.3 96.0 -4.5 0.0 -116 120 20 47 00 20 52 00 --- 08 55 45 31.0 97.1 -4.4 0.0 184 158 20 47 01 20 52 00 IC860 08 55 45 33.7 96.8 -4.3 0.0 -19 158 No stop 20 55 00 --- 08 58 45 34.1 97.5 -4.3 0.0 161 182 20 52 01 20 55 00 J1321+2216 08 58 45 31.4 97.8 -4.4 0.0 -19 182 No stop 20 57 00 --- 09 00 46 31.7 98.2 -4.4 0.0 101 197 20 55 01 20 57 00 IC860 09 00 46 34.4 98.0 -4.3 0.0 -19 197 No stop 21 00 00 --- 09 03 46 34.8 98.6 -4.2 0.0 161 220 20 57 01 21 00 20 J1321+2216 09 04 06 32.1 99.0 -4.3 0.0 1 220 21 00 20 21 02 00 --- 09 05 47 32.4 99.3 -4.3 0.0 100 233 21 00 21 21 02 00 IC860 09 05 47 35.1 99.1 -4.2 0.0 -19 233 No stop 21 05 00 --- 09 08 47 35.5 99.8 -4.1 0.0 161 256 21 02 01 21 05 00 J1321+2216 09 08 47 32.8 100.0 -4.2 0.0 -19 256 No stop 21 07 00 --- 09 10 47 33.0 100.5 -4.2 0.0 101 272 21 05 01 21 07 00 IC860 09 10 47 35.7 100.2 -4.1 0.0 -19 272 No stop 21 10 00 --- 09 13 48 36.1 100.9 -4.0 0.0 161 295 21 07 01 21 10 20 J1321+2216 09 14 08 33.5 101.2 -4.1 0.0 1 295 21 10 20 21 12 00 --- 09 15 48 33.7 101.6 -4.1 0.0 100 308 21 10 21 21 12 00 IC860 09 15 48 36.4 101.4 -4.0 0.0 -19 308 No stop 21 15 00 --- 09 18 49 36.8 102.1 -4.0 0.0 161 331 21 12 01 21 15 00 J1321+2216 09 18 49 34.1 102.3 -4.1 0.0 -19 331 No stop 21 17 00 --- 09 20 49 34.3 102.8 -4.0 0.0 101 347 21 15 01 21 17 00 IC860 09 20 49 37.1 102.5 -3.9 0.0 -19 347 No stop 21 20 00 --- 09 23 49 37.5 103.2 -3.9 0.0 161 370 21 17 01 Schedule for ONSALA85 (Code O8 ) 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 09 24 10 34.8 103.5 -4.0 0.0 1 370 21 20 20 21 22 00 --- 09 25 50 35.0 103.9 -3.9 0.0 100 383 21 20 21 21 22 00 IC860 09 25 50 37.7 103.7 -3.8 0.0 -19 383 No stop 21 25 00 --- 09 28 50 38.1 104.4 -3.8 0.0 161 406 21 22 01 21 25 00 J1321+2216 09 28 50 35.4 104.6 -3.9 0.0 -19 406 No stop 21 27 00 --- 09 30 51 35.7 105.1 -3.9 0.0 101 421 21 25 01 21 27 00 IC860 09 30 51 38.4 104.9 -3.8 0.0 -19 421 No stop 21 30 00 --- 09 33 51 38.8 105.6 -3.7 0.0 161 444 21 27 01 21 30 20 J1321+2216 09 34 11 36.1 105.9 -3.8 0.0 1 444 21 30 20 21 32 00 --- 09 35 51 36.3 106.3 -3.8 0.0 100 457 21 30 21 21 32 00 IC860 09 35 51 39.0 106.1 -3.7 0.0 -19 457 No stop 21 35 00 --- 09 38 52 39.4 106.8 -3.6 0.0 161 480 21 32 01 21 35 00 J1321+2216 09 38 52 36.7 107.0 -3.7 0.0 -19 480 No stop 21 37 00 --- 09 40 52 36.9 107.5 -3.7 0.0 101 496 21 35 01 21 37 00 IC860 09 40 52 39.7 107.3 -3.6 0.0 -19 496 No stop 21 40 00 --- 09 43 53 40.1 108.0 -3.5 0.0 161 519 21 37 01 21 40 20 J1321+2216 09 44 13 37.4 108.3 -3.6 0.0 1 519 21 40 20 21 42 00 --- 09 45 53 37.6 108.7 -3.6 0.0 100 532 21 40 21 21 42 00 IC860 09 45 53 40.3 108.5 -3.5 0.0 -19 532 No stop 21 45 00 --- 09 48 54 40.7 109.3 -3.5 0.0 161 555 21 42 01 21 45 00 J1321+2216 09 48 54 38.0 109.4 -3.6 0.0 -19 555 No stop 21 47 00 --- 09 50 54 38.2 109.9 -3.5 0.0 101 571 21 45 01 21 47 00 IC860 09 50 54 41.0 109.8 -3.4 0.0 -19 571 No stop 21 50 00 --- 09 53 54 41.3 110.5 -3.4 0.0 161 594 21 47 01 21 50 20 J1321+2216 09 54 14 38.6 110.8 -3.5 0.0 1 594 21 50 20 21 52 00 --- 09 55 55 38.9 111.2 -3.4 0.0 100 607 21 50 21 21 52 00 IC860 09 55 55 41.6 111.0 -3.3 0.0 -19 607 No stop 21 55 00 --- 09 58 55 42.0 111.8 -3.3 0.0 161 630 21 52 01 21 55 00 J1321+2216 09 58 55 39.2 111.9 -3.4 0.0 -19 630 No stop 21 57 00 --- 10 00 56 39.5 112.4 -3.4 0.0 101 645 21 55 01 Schedule for ONSALA85 (Code O8 ) 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 10 00 56 42.2 112.3 -3.3 0.0 -19 645 No stop 22 00 00 --- 10 03 56 42.6 113.1 -3.2 0.0 161 669 21 57 01 22 00 20 J1321+2216 10 04 16 39.9 113.3 -3.3 0.0 1 669 22 00 20 22 02 00 --- 10 05 56 40.1 113.7 -3.3 0.0 100 681 22 00 21 22 02 00 IC860 10 05 56 42.8 113.6 -3.2 0.0 -19 681 No stop 22 05 00 --- 10 08 57 43.2 114.4 -3.1 0.0 161 705 22 02 01 22 05 00 J1321+2216 10 08 57 40.5 114.5 -3.2 0.0 -19 705 No stop 22 07 00 --- 10 10 57 40.7 115.0 -3.2 0.0 101 720 22 05 01 22 07 00 IC860 10 10 57 43.5 114.9 -3.1 0.0 -19 720 No stop 22 10 00 --- 10 13 58 43.8 115.7 -3.0 0.0 161 743 22 07 01 22 10 20 J1321+2216 10 14 18 41.1 115.9 -3.1 0.0 1 743 22 10 20 22 12 00 --- 10 15 58 41.3 116.3 -3.1 0.0 100 756 22 10 21 22 12 00 IC860 10 15 58 44.1 116.3 -3.0 0.0 -19 756 No stop 22 15 00 --- 10 18 59 44.4 117.1 -3.0 0.0 161 779 22 12 01 22 15 00 J1321+2216 10 18 59 41.7 117.1 -3.1 0.0 -19 779 No stop 22 17 00 --- 10 20 59 41.9 117.7 -3.0 0.0 101 795 22 15 01 22 17 00 IC860 10 20 59 44.7 117.6 -2.9 0.0 -19 795 No stop 22 20 00 --- 10 23 59 45.0 118.5 -2.9 0.0 161 818 22 17 01 22 20 20 J1321+2216 10 24 19 42.3 118.6 -3.0 0.0 1 818 22 20 20 22 22 00 --- 10 26 00 42.5 119.0 -2.9 0.0 100 831 22 20 21 22 22 00 IC860 10 26 00 45.3 119.0 -2.8 0.0 -19 831 No stop 22 25 00 --- 10 29 00 45.6 119.8 -2.8 0.0 161 854 22 22 01 22 25 00 J1321+2216 10 29 00 42.9 119.8 -2.9 0.0 -19 854 No stop 22 27 00 --- 10 31 00 43.1 120.4 -2.9 0.0 101 870 22 25 01 22 27 00 IC860 10 31 00 45.9 120.4 -2.8 0.0 -19 870 No stop 22 30 00 --- 10 34 01 46.2 121.3 -2.7 0.0 161 893 22 27 01 22 30 20 J1321+2216 10 34 21 43.5 121.3 -2.8 0.0 1 893 22 30 20 22 32 00 --- 10 36 01 43.7 121.8 -2.8 0.0 100 906 22 30 21 22 32 00 IC860 10 36 01 46.4 121.8 -2.7 0.0 -19 906 No stop 22 35 00 --- 10 39 02 46.8 122.7 -2.6 0.0 161 929 22 32 01 Schedule for ONSALA85 (Code O8 ) 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 10 39 02 44.0 122.6 -2.7 0.0 -19 929 No stop 22 37 00 --- 10 41 02 44.3 123.2 -2.7 0.0 101 944 22 35 01 22 37 00 IC860 10 41 02 47.0 123.3 -2.6 0.0 -19 944 No stop 22 40 00 --- 10 44 03 47.3 124.1 -2.5 0.0 161 967 22 37 01 22 40 20 J1321+2216 10 44 23 44.6 124.1 -2.6 0.0 1 967 22 40 20 22 42 00 --- 10 46 03 44.8 124.6 -2.6 0.0 100 980 22 40 21 22 42 00 IC860 10 46 03 47.6 124.7 -2.5 0.0 -19 980 No stop 22 45 00 --- 10 49 03 47.9 125.6 -2.5 0.0 161 1004 22 42 01 22 45 00 J1321+2216 10 49 03 45.2 125.5 -2.6 0.0 -19 1004 No stop 22 47 00 --- 10 51 04 45.4 126.0 -2.5 0.0 101 1019 22 45 01 22 47 00 IC860 10 51 04 48.1 126.2 -2.4 0.0 -19 1019 No stop 22 50 00 --- 10 54 04 48.4 127.1 -2.4 0.0 161 1042 22 47 01 22 50 20 J1321+2216 10 54 24 45.7 127.0 -2.5 0.0 1 1042 22 50 20 22 52 00 --- 10 56 05 45.9 127.5 -2.4 0.0 100 1055 22 50 21 22 52 00 IC860 10 56 05 48.6 127.7 -2.3 0.0 -19 1055 No stop 22 55 00 --- 10 59 05 49.0 128.7 -2.3 0.0 161 1078 22 52 01 22 55 00 J1321+2216 10 59 05 46.2 128.4 -2.4 0.0 -19 1078 No stop 22 57 00 --- 11 01 05 46.4 129.0 -2.4 0.0 101 1094 22 55 01 22 57 00 IC860 11 01 05 49.2 129.3 -2.3 0.0 -19 1094 No stop 23 00 00 --- 11 04 06 49.5 130.2 -2.2 0.0 161 1117 22 57 01 23 00 20 J1321+2216 11 04 26 46.8 130.0 -2.3 0.0 1 1117 23 00 20 23 02 00 --- 11 06 06 47.0 130.5 -2.3 0.0 100 1130 23 00 21 23 02 00 IC860 11 06 06 49.7 130.8 -2.2 0.0 -19 1130 No stop 23 05 00 --- 11 09 07 50.0 131.8 -2.1 0.0 161 1153 23 02 01 23 05 00 J1321+2216 11 09 07 47.3 131.4 -2.2 0.0 -19 1153 No stop 23 07 00 --- 11 11 07 47.5 132.0 -2.2 0.0 101 1168 23 05 01 23 07 00 IC860 11 11 07 50.2 132.4 -2.1 0.0 -19 1168 No stop 23 10 00 --- 11 14 08 50.5 133.4 -2.0 0.0 161 1192 23 07 01 23 10 20 J1321+2216 11 14 28 47.8 133.1 -2.1 0.0 1 1192 23 10 20 23 12 00 --- 11 16 08 48.0 133.6 -2.1 0.0 100 1204 23 10 21 Schedule for ONSALA85 (Code O8 ) 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 11 16 38 64.5 235.2 1.8 0.0 -181 1204 23 12 30 23 22 30 =4C39.25 11 26 40 63.4 238.9 2.0 0.0 419 1282 23 12 31 23 24 30 J1321+2216 11 28 40 49.2 137.6 -1.9 0.0 -86 1282 23 24 30 23 30 30 --- 11 34 41 49.7 139.6 -1.8 0.0 274 1328 23 24 31 23 30 30 IC860 11 34 41 52.4 140.3 -1.7 0.0 -19 1328 No stop 23 33 30 --- 11 37 41 52.6 141.3 -1.6 0.0 161 1351 23 30 31 23 33 30 J1321+2216 11 37 41 49.9 140.6 -1.7 0.0 -19 1351 No stop 23 35 30 --- 11 39 42 50.1 141.3 -1.7 0.0 101 1367 23 33 31 23 35 30 IC860 11 39 42 52.8 142.0 -1.6 0.0 -19 1367 No stop 23 38 30 --- 11 42 42 53.1 143.1 -1.6 0.0 161 1390 23 35 31 23 38 50 J1321+2216 11 43 02 50.4 142.4 -1.7 0.0 1 1390 23 38 50 23 40 30 --- 11 44 43 50.5 143.0 -1.6 0.0 100 1403 23 38 51 23 40 30 IC860 11 44 43 53.2 143.8 -1.5 0.0 -19 1403 No stop 23 43 30 --- 11 47 43 53.5 144.8 -1.5 0.0 161 1426 23 40 31 23 43 30 J1321+2216 11 47 43 50.8 144.0 -1.6 0.0 -19 1426 No stop 23 45 30 --- 11 49 43 50.9 144.7 -1.5 0.0 101 1441 23 43 31 23 45 30 IC860 11 49 43 53.6 145.6 -1.4 0.0 -19 1441 No stop 23 48 30 --- 11 52 44 53.8 146.7 -1.4 0.0 161 1465 23 45 31 23 48 50 J1321+2216 11 53 04 51.2 145.8 -1.5 0.0 1 1465 23 48 50 23 50 30 --- 11 54 44 51.3 146.4 -1.5 0.0 100 1478 23 48 51 23 50 30 IC860 11 54 44 54.0 147.4 -1.4 0.0 -19 1478 No stop 23 53 30 --- 11 57 45 54.2 148.5 -1.3 0.0 161 1501 23 50 31 23 53 30 J1321+2216 11 57 45 51.5 147.5 -1.4 0.0 -19 1501 No stop 23 55 30 --- 11 59 45 51.7 148.2 -1.4 0.0 101 1516 23 53 31 23 55 30 IC860 11 59 45 54.3 149.2 -1.3 0.0 -19 1516 No stop 23 58 30 --- 12 02 46 54.5 150.4 -1.2 0.0 161 1539 23 55 31 --- Start: Sun 10 Mar 2024 Day 70 -- Stop: Mon 11 Mar 2024 Day 71 --- 23 58 50 J1321+2216 12 03 06 51.9 149.4 -1.3 0.0 1 1539 23 58 50 00 00 30 --- 12 04 46 52.0 150.0 -1.3 0.0 100 1552 23 58 51 Schedule for ONSALA85 (Code O8 ) 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 12 04 46 54.7 151.1 -1.2 0.0 -19 1552 No stop 00 03 30 --- 12 07 46 54.9 152.3 -1.1 0.0 161 1575 00 00 31 00 03 30 J1321+2216 12 07 46 52.2 151.1 -1.2 0.0 -19 1575 No stop 00 05 30 --- 12 09 47 52.4 151.8 -1.2 0.0 101 1591 00 03 31 00 05 30 IC860 12 09 47 55.0 153.0 -1.1 0.0 -19 1591 No stop 00 08 30 --- 12 12 47 55.2 154.2 -1.1 0.0 161 1614 00 05 31 00 08 50 J1321+2216 12 13 07 52.6 153.0 -1.2 0.0 1 1614 00 08 50 00 10 30 --- 12 14 47 52.7 153.7 -1.1 0.0 100 1627 00 08 51 00 10 30 IC860 12 14 47 55.3 155.0 -1.0 0.0 -19 1627 No stop 00 13 30 --- 12 17 48 55.5 156.1 -1.0 0.0 161 1650 00 10 31 00 13 30 J1321+2216 12 17 48 52.8 154.8 -1.1 0.0 -19 1650 No stop 00 15 30 --- 12 19 48 53.0 155.5 -1.0 0.0 101 1666 00 13 31 00 15 30 IC860 12 19 48 55.6 156.9 -0.9 0.0 -19 1666 No stop 00 18 30 --- 12 22 49 55.7 158.1 -0.9 0.0 161 1689 00 15 31 00 18 50 J1321+2216 12 23 09 53.1 156.8 -1.0 0.0 1 1689 00 18 50 00 20 30 --- 12 24 49 53.2 157.4 -1.0 0.0 100 1702 00 18 51 00 20 30 IC860 12 24 49 55.8 158.9 -0.9 0.0 -19 1702 No stop 00 23 30 --- 12 27 50 56.0 160.1 -0.8 0.0 161 1725 00 20 31 00 23 30 J1321+2216 12 27 50 53.4 158.5 -0.9 0.0 -19 1725 No stop 00 25 30 --- 12 29 50 53.5 159.3 -0.9 0.0 101 1740 00 23 31 00 25 30 IC860 12 29 50 56.1 160.9 -0.8 0.0 -19 1740 No stop 00 28 30 --- 12 32 50 56.2 162.1 -0.7 0.0 161 1764 00 25 31 00 28 50 J1321+2216 12 33 11 53.6 160.6 -0.8 0.0 1 1764 00 28 50 00 30 30 --- 12 34 51 53.7 161.2 -0.8 0.0 100 1776 00 28 51 00 30 30 IC860 12 34 51 56.3 162.9 -0.7 0.0 -19 1776 No stop 00 33 30 --- 12 37 51 56.4 164.1 -0.6 0.0 161 1800 00 30 31 00 33 30 J1321+2216 12 37 51 53.8 162.4 -0.7 0.0 -19 1800 No stop 00 35 30 --- 12 39 52 53.9 163.1 -0.7 0.0 101 1815 00 33 31 00 35 30 IC860 12 39 52 56.5 164.9 -0.6 0.0 -19 1815 No stop 00 38 30 --- 12 42 52 56.6 166.1 -0.6 0.0 161 1838 00 35 31 Schedule for ONSALA85 (Code O8 ) 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 12 43 12 54.0 164.4 -0.7 0.0 1 1838 00 38 50 00 40 30 --- 12 44 52 54.1 165.1 -0.6 0.0 100 1851 00 38 51 00 40 30 IC860 12 44 52 56.6 167.0 -0.5 0.0 -19 1851 No stop 00 43 30 --- 12 47 53 56.7 168.2 -0.5 0.0 161 1874 00 40 31 00 43 30 J1321+2216 12 47 53 54.2 166.3 -0.6 0.0 -19 1874 No stop 00 45 30 --- 12 49 53 54.3 167.1 -0.5 0.0 101 1890 00 43 31 00 45 30 IC860 12 49 53 56.8 169.0 -0.4 0.0 -19 1890 No stop 00 48 30 --- 12 52 54 56.8 170.3 -0.4 0.0 161 1913 00 45 31 00 48 50 J1321+2216 12 53 14 54.3 168.4 -0.5 0.0 1 1913 00 48 50 00 50 30 --- 12 54 54 54.4 169.0 -0.5 0.0 100 1926 00 48 51 00 50 30 IC860 12 54 54 56.9 171.1 -0.4 0.0 -19 1926 No stop 00 53 30 --- 12 57 55 56.9 172.3 -0.3 0.0 161 1949 00 50 31 00 53 30 J1321+2216 12 57 55 54.5 170.2 -0.4 0.0 -19 1949 No stop 00 55 30 --- 12 59 55 54.5 171.0 -0.4 0.0 101 1964 00 53 31 00 55 30 IC860 12 59 55 57.0 173.2 -0.3 0.0 -19 1964 No stop 00 58 30 --- 13 02 55 57.0 174.4 -0.2 0.0 161 1988 00 55 31 00 58 50 J1321+2216 13 03 15 54.6 172.4 -0.3 0.0 1 1988 00 58 50 01 00 30 --- 13 04 56 54.6 173.0 -0.3 0.0 100 2001 00 58 51 01 00 30 IC860 13 04 56 57.0 175.3 -0.2 0.0 -19 2001 No stop 01 03 30 --- 13 07 56 57.1 176.5 -0.1 0.0 161 2024 01 00 31 01 03 30 J1321+2216 13 07 56 54.6 174.2 -0.2 0.0 -19 2024 No stop 01 05 30 --- 13 09 57 54.7 175.0 -0.2 0.0 101 2039 01 03 31 01 05 30 IC860 13 09 57 57.1 177.4 -0.1 0.0 -19 2039 No stop 01 08 30 --- 13 12 57 57.1 178.6 -0.1 0.0 161 2062 01 05 31 01 08 50 J1321+2216 13 13 17 54.7 176.4 -0.2 0.0 1 2062 01 08 50 01 10 30 --- 13 14 57 54.7 177.0 -0.1 0.0 100 2075 01 08 51 01 10 30 IC860 13 14 57 57.1 179.5 -0.0 0.0 -19 2075 No stop 01 13 30 --- 13 17 58 57.1 180.7 0.0 0.0 161 2098 01 10 31 01 13 30 J1321+2216 13 17 58 54.7 178.2 -0.1 0.0 -19 2098 No stop 01 15 30 --- 13 19 58 54.7 179.0 -0.0 0.0 101 2114 01 13 31 Schedule for ONSALA85 (Code O8 ) 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 13 19 58 57.1 181.6 0.1 0.0 -19 2114 No stop 01 18 30 --- 13 22 59 57.1 182.8 0.1 0.0 161 2137 01 15 31 01 18 50 J1321+2216 13 23 19 54.7 180.4 0.0 0.0 1 2137 01 18 50 01 20 30 --- 13 24 59 54.7 181.0 0.0 0.0 100 2150 01 18 51 01 20 30 IC860 13 24 59 57.1 183.7 0.1 0.0 -19 2150 No stop 01 23 30 --- 13 27 59 57.0 184.9 0.2 0.0 161 2173 01 20 31 01 23 30 J1321+2216 13 27 59 54.7 182.3 0.1 0.0 -19 2173 No stop 01 25 30 --- 13 30 00 54.7 183.1 0.1 0.0 101 2189 01 23 31 01 25 30 IC860 13 30 00 57.0 185.8 0.2 0.0 -19 2189 No stop 01 28 30 --- 13 33 00 57.0 187.0 0.3 0.0 161 2212 01 25 31 01 28 50 J1321+2216 13 33 20 54.7 184.4 0.2 0.0 1 2212 01 28 50 01 30 30 --- 13 35 01 54.7 185.1 0.2 0.0 100 2225 01 28 51 01 30 30 IC860 13 35 01 56.9 187.8 0.3 0.0 -19 2225 No stop 01 33 30 --- 13 38 01 56.9 189.1 0.4 0.0 161 2248 01 30 31 01 33 30 J1321+2216 13 38 01 54.6 186.3 0.3 0.0 -19 2248 No stop 01 35 30 --- 13 40 01 54.6 187.1 0.3 0.0 101 2263 01 33 31 01 35 30 IC860 13 40 01 56.8 189.9 0.4 0.0 -19 2263 No stop 01 38 30 --- 13 43 02 56.7 191.2 0.4 0.0 161 2287 01 35 31 01 38 50 J1321+2216 13 43 22 54.5 188.4 0.3 0.0 1 2287 01 38 50 01 40 30 --- 13 45 02 54.5 189.1 0.4 0.0 100 2299 01 38 51 01 40 30 IC860 13 45 02 56.7 192.0 0.5 0.0 -19 2299 No stop 01 43 30 --- 13 48 03 56.6 193.2 0.5 0.0 161 2323 01 40 31 01 43 30 J1321+2216 13 48 03 54.4 190.3 0.4 0.0 -19 2323 No stop 01 45 30 --- 13 50 03 54.4 191.1 0.5 0.0 101 2338 01 43 31 01 45 30 IC860 13 50 03 56.5 194.0 0.6 0.0 -19 2338 No stop 01 48 30 --- 13 53 04 56.4 195.3 0.6 0.0 161 2361 01 45 31 01 48 50 J1321+2216 13 53 24 54.3 192.4 0.5 0.0 1 2361 01 48 50 01 50 30 --- 13 55 04 54.2 193.0 0.5 0.0 100 2374 01 48 51 01 50 50 J1642+3948 13 55 24 57.8 104.8 -2.8 0.0 -158 2374 01 50 50 02 00 30 =3C345 14 05 06 59.0 107.4 -2.6 0.0 422 2449 01 50 51 Schedule for ONSALA85 (Code O8 ) 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 14 07 06 53.8 197.7 0.7 0.0 -63 2449 02 02 30 02 07 30 --- 14 12 07 53.6 199.6 0.8 0.0 237 2487 02 02 31 02 07 30 IC860 14 12 07 55.6 202.9 0.9 0.0 -19 2487 No stop 02 10 30 --- 14 15 07 55.4 204.1 1.0 0.0 161 2511 02 07 31 02 10 30 J1321+2216 14 15 07 53.5 200.8 0.9 0.0 -19 2511 No stop 02 12 30 --- 14 17 08 53.4 201.6 0.9 0.0 101 2526 02 10 31 02 12 30 IC860 14 17 08 55.3 204.8 1.0 0.0 -19 2526 No stop 02 15 30 --- 14 20 08 55.1 206.0 1.1 0.0 161 2549 02 12 31 02 15 50 J1321+2216 14 20 28 53.2 202.8 1.0 0.0 1 2549 02 15 50 02 17 30 --- 14 22 08 53.1 203.4 1.0 0.0 100 2562 02 15 51 02 17 30 IC860 14 22 08 55.0 206.8 1.1 0.0 -19 2562 No stop 02 20 30 --- 14 25 09 54.8 207.9 1.1 0.0 161 2585 02 17 31 02 20 30 J1321+2216 14 25 09 52.9 204.6 1.0 0.0 -19 2585 No stop 02 22 30 --- 14 27 09 52.8 205.3 1.1 0.0 101 2601 02 20 31 02 22 30 IC860 14 27 09 54.7 208.7 1.2 0.0 -19 2601 No stop 02 25 30 --- 14 30 10 54.5 209.8 1.2 0.0 161 2624 02 22 31 02 25 50 J1321+2216 14 30 30 52.6 206.5 1.1 0.0 1 2624 02 25 50 02 27 30 --- 14 32 10 52.5 207.2 1.2 0.0 100 2637 02 25 51 02 27 30 IC860 14 32 10 54.4 210.5 1.3 0.0 -19 2637 No stop 02 30 30 --- 14 35 10 54.2 211.7 1.3 0.0 161 2660 02 27 31 02 30 30 J1321+2216 14 35 10 52.3 208.3 1.2 0.0 -19 2660 No stop 02 32 30 --- 14 37 11 52.2 209.0 1.2 0.0 101 2676 02 30 31 02 32 30 IC860 14 37 11 54.0 212.4 1.3 0.0 -19 2676 No stop 02 35 30 --- 14 40 11 53.8 213.5 1.4 0.0 161 2699 02 32 31 02 35 50 J1321+2216 14 40 31 52.0 210.2 1.3 0.0 1 2699 02 35 50 02 37 30 --- 14 42 12 51.9 210.8 1.3 0.0 100 2712 02 35 51 02 37 30 IC860 14 42 12 53.7 214.2 1.4 0.0 -19 2712 No stop 02 40 30 --- 14 45 12 53.4 215.3 1.5 0.0 161 2735 02 37 31 02 40 30 J1321+2216 14 45 12 51.7 211.9 1.4 0.0 -19 2735 No stop 02 42 30 --- 14 47 12 51.5 212.6 1.4 0.0 101 2750 02 40 31 Schedule for ONSALA85 (Code O8 ) 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 14 47 12 53.3 216.0 1.5 0.0 -19 2750 No stop 02 45 30 --- 14 50 13 53.0 217.1 1.6 0.0 161 2773 02 42 31 02 45 50 J1321+2216 14 50 33 51.3 213.8 1.5 0.0 1 2773 02 45 50 02 47 30 --- 14 52 13 51.1 214.3 1.5 0.0 100 2786 02 45 51 02 47 30 IC860 14 52 13 52.9 217.8 1.6 0.0 -19 2786 No stop 02 50 30 --- 14 55 14 52.6 218.9 1.6 0.0 161 2810 02 47 31 02 50 30 J1321+2216 14 55 14 50.9 215.4 1.5 0.0 -19 2810 No stop 02 52 30 --- 14 57 14 50.8 216.1 1.6 0.0 101 2825 02 50 31 02 52 30 IC860 14 57 14 52.4 219.6 1.7 0.0 -19 2825 No stop 02 55 30 --- 15 00 15 52.2 220.6 1.7 0.0 161 2848 02 52 31 02 55 50 J1321+2216 15 00 35 50.5 217.2 1.6 0.0 1 2848 02 55 50 02 57 30 --- 15 02 15 50.4 217.8 1.7 0.0 100 2861 02 55 51 02 57 30 IC860 15 02 15 52.0 221.3 1.8 0.0 -19 2861 No stop 03 00 30 --- 15 05 15 51.7 222.3 1.8 0.0 161 2884 02 57 31 03 00 30 J1321+2216 15 05 15 50.1 218.8 1.7 0.0 -19 2884 No stop 03 02 30 --- 15 07 16 49.9 219.5 1.7 0.0 101 2900 03 00 31 03 02 30 IC860 15 07 16 51.5 223.0 1.9 0.0 -19 2900 No stop 03 05 30 --- 15 10 16 51.3 224.0 1.9 0.0 161 2923 03 02 31 03 05 50 J1321+2216 15 10 36 49.6 220.6 1.8 0.0 1 2923 03 05 50 03 07 30 --- 15 12 17 49.5 221.1 1.8 0.0 100 2936 03 05 51 03 07 30 IC860 15 12 17 51.1 224.6 1.9 0.0 -19 2936 No stop 03 10 30 --- 15 15 17 50.8 225.6 2.0 0.0 161 2959 03 07 31 03 10 30 J1321+2216 15 15 17 49.2 222.1 1.9 0.0 -19 2959 No stop 03 12 30 --- 15 17 17 49.0 222.8 1.9 0.0 101 2974 03 10 31 03 12 30 IC860 15 17 17 50.6 226.3 2.0 0.0 -19 2974 No stop 03 15 30 --- 15 20 18 50.3 227.2 2.1 0.0 161 2998 03 12 31 03 15 50 J1321+2216 15 20 38 48.7 223.9 2.0 0.0 1 2998 03 15 50 03 17 30 --- 15 22 18 48.6 224.4 2.0 0.0 100 3011 03 15 51 03 17 30 IC860 15 22 18 50.1 227.9 2.1 0.0 -19 3011 No stop 03 20 30 --- 15 25 19 49.8 228.8 2.2 0.0 161 3034 03 17 31 Schedule for ONSALA85 (Code O8 ) 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 15 25 19 48.3 225.4 2.0 0.0 -19 3034 No stop 03 22 30 --- 15 27 19 48.1 226.0 2.1 0.0 101 3049 03 20 31 03 22 30 IC860 15 27 19 49.6 229.5 2.2 0.0 -19 3049 No stop 03 25 30 --- 15 30 20 49.3 230.4 2.2 0.0 161 3072 03 22 31 03 25 50 J1321+2216 15 30 40 47.8 227.0 2.1 0.0 1 3072 03 25 50 03 27 30 --- 15 32 20 47.6 227.6 2.2 0.0 100 3085 03 25 51 03 27 30 IC860 15 32 20 49.1 231.0 2.3 0.0 -19 3085 No stop 03 30 30 --- 15 35 20 48.8 231.9 2.3 0.0 161 3108 03 27 31 03 30 30 J1321+2216 15 35 20 47.3 228.5 2.2 0.0 -19 3108 No stop 03 32 30 --- 15 37 21 47.1 229.1 2.2 0.0 101 3124 03 30 31 03 32 30 IC860 15 37 21 48.5 232.6 2.4 0.0 -19 3124 No stop 03 35 30 --- 15 40 21 48.2 233.5 2.4 0.0 161 3147 03 32 31 03 35 50 J1321+2216 15 40 41 46.8 230.1 2.3 0.0 1 3147 03 35 50 03 37 30 --- 15 42 22 46.6 230.6 2.3 0.0 100 3160 03 35 51 03 37 30 IC860 15 42 22 48.0 234.1 2.4 0.0 -19 3160 No stop 03 40 30 --- 15 45 22 47.7 235.0 2.5 0.0 161 3183 03 37 31 03 40 30 J1321+2216 15 45 22 46.3 231.5 2.4 0.0 -19 3183 No stop 03 42 30 --- 15 47 22 46.1 232.1 2.4 0.0 101 3199 03 40 31 03 42 30 IC860 15 47 22 47.5 235.5 2.5 0.0 -19 3199 No stop 03 45 30 --- 15 50 23 47.1 236.4 2.6 0.0 161 3222 03 42 31 03 45 50 J1321+2216 15 50 43 45.7 233.1 2.5 0.0 1 3222 03 45 50 03 47 30 --- 15 52 23 45.5 233.6 2.5 0.0 100 3235 03 45 51 03 47 30 IC860 15 52 23 46.9 237.0 2.6 0.0 -19 3235 No stop 03 50 30 --- 15 55 24 46.6 237.9 2.7 0.0 161 3258 03 47 31 03 50 30 J1321+2216 15 55 24 45.2 234.5 2.6 0.0 -19 3258 No stop 03 52 30 --- 15 57 24 45.0 235.0 2.6 0.0 101 3273 03 50 31 03 52 30 IC860 15 57 24 46.3 238.4 2.7 0.0 -19 3273 No stop 03 55 30 --- 16 00 24 46.0 239.3 2.7 0.0 161 3296 03 52 31 03 55 50 J1321+2216 16 00 45 44.6 236.0 2.6 0.0 1 3296 03 55 50 03 57 30 --- 16 02 25 44.4 236.5 2.7 0.0 100 3309 03 55 51 Schedule for ONSALA85 (Code O8 ) 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 16 02 25 45.7 239.9 2.8 0.0 -19 3309 No stop 04 00 30 --- 16 05 25 45.4 240.7 2.8 0.0 161 3333 03 57 31 04 00 30 J1321+2216 16 05 25 44.1 237.3 2.7 0.0 -19 3333 No stop 04 02 30 --- 16 07 26 43.8 237.9 2.8 0.0 101 3348 04 00 31 04 02 30 IC860 16 07 26 45.2 241.3 2.9 0.0 -19 3348 No stop 04 05 30 --- 16 10 26 44.8 242.1 2.9 0.0 161 3371 04 02 31 04 05 50 J1321+2216 16 10 46 43.5 238.8 2.8 0.0 1 3371 04 05 50 04 07 30 --- 16 12 26 43.3 239.3 2.8 0.0 100 3384 04 05 51 04 07 30 IC860 16 12 26 44.6 242.6 2.9 0.0 -19 3384 No stop 04 10 30 --- 16 15 27 44.2 243.4 3.0 0.0 161 3407 04 07 31 04 10 30 J1321+2216 16 15 27 42.9 240.1 2.9 0.0 -19 3407 No stop 04 12 30 --- 16 17 27 42.7 240.6 2.9 0.0 101 3423 04 10 31 04 12 30 IC860 16 17 27 44.0 244.0 3.0 0.0 -19 3423 No stop 04 15 30 --- 16 20 28 43.6 244.8 3.1 0.0 161 3446 04 12 31 04 15 50 J1321+2216 16 20 48 42.3 241.6 3.0 0.0 1 3446 04 15 50 04 17 30 --- 16 22 28 42.1 242.0 3.0 0.0 100 3459 04 15 51 04 18 00 J1642+3948 16 22 58 72.0 166.9 -0.3 0.0 -148 3459 04 18 00 04 30 00 =3C345 16 35 00 72.3 174.4 -0.1 0.0 572 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 --- 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: 4 Station: ONSALA85 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= 730.00 730.00 730.00 730.00 730.00 730.00 730.00 730.00 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: 6 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= 896.49 896.49 896.49 896.49 960.49 960.49 960.49 960.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 6 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