COVER INFORMATION Station: ONSALA85 (Code O8 ) Experiment: EVN+e-MERLIN -Growing black holes or supernova factories in extremely op Exp. Code: EB103C 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 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 08 30 00 3C286 20 19 53 19.3 296.6 6.8 0.0 0 0 08 30 00 08 37 00 --- 20 26 54 18.4 297.9 6.9 0.0 420 54 08 30 01 08 42 00 J0237+2848 20 31 55 23.1 72.0 -6.1 0.0 -370 54 08 42 00 08 52 00 =0234+285 20 41 57 24.4 73.9 -6.0 0.0 230 131 08 42 01 08 53 20 J0137+3309 20 43 17 35.9 82.8 -4.9 0.0 19 131 08 53 20 08 58 20 --- 20 48 18 36.6 83.8 -4.8 0.0 300 170 08 53 21 08 58 20 ZW049 20 48 18 35.9 86.8 -4.7 0.0 -18 170 No stop 09 01 20 --- 20 51 18 36.3 87.4 -4.7 0.0 162 193 08 58 21 09 01 20 J0137+3309 20 51 18 37.0 84.4 -4.8 0.0 -18 193 No stop 09 03 20 --- 20 53 19 37.3 84.8 -4.8 0.0 102 209 09 01 21 09 03 20 ZW049 20 53 19 36.6 87.8 -4.7 0.0 -18 209 No stop 09 06 20 --- 20 56 19 37.0 88.4 -4.6 0.0 162 232 09 03 21 09 06 40 J0137+3309 20 56 39 37.7 85.5 -4.7 0.0 2 232 09 06 40 09 08 20 --- 20 58 20 38.0 85.9 -4.7 0.0 100 245 09 06 41 09 08 20 ZW049 20 58 20 37.3 88.9 -4.6 0.0 -18 245 No stop 09 11 20 --- 21 01 20 37.7 89.5 -4.5 0.0 162 268 09 08 21 09 11 20 J0137+3309 21 01 20 38.4 86.5 -4.6 0.0 -18 268 No stop 09 13 20 --- 21 03 20 38.6 86.9 -4.6 0.0 102 283 09 11 21 09 13 20 ZW049 21 03 20 37.9 89.9 -4.5 0.0 -18 283 No stop 09 16 20 --- 21 06 21 38.4 90.5 -4.4 0.0 162 307 09 13 21 09 16 40 J0137+3309 21 06 41 39.1 87.6 -4.5 0.0 2 307 09 16 40 09 18 20 --- 21 08 21 39.3 87.9 -4.5 0.0 100 319 09 16 41 09 18 20 ZW049 21 08 21 38.6 91.0 -4.4 0.0 -18 319 No stop 09 21 20 --- 21 11 22 39.0 91.6 -4.4 0.0 162 343 09 18 21 09 21 20 J0137+3309 21 11 22 39.7 88.5 -4.5 0.0 -18 343 No stop 09 23 20 --- 21 13 22 40.0 89.0 -4.4 0.0 102 358 09 21 21 09 23 20 ZW049 21 13 22 39.3 92.0 -4.3 0.0 -18 358 No stop 09 26 20 --- 21 16 23 39.7 92.7 -4.3 0.0 162 381 09 23 21 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 09 26 40 J0137+3309 21 16 43 40.4 89.7 -4.4 0.0 2 381 09 26 40 09 28 20 --- 21 18 23 40.7 90.0 -4.3 0.0 100 394 09 26 41 09 28 20 ZW049 21 18 23 40.0 93.1 -4.2 0.0 -18 394 No stop 09 31 20 --- 21 21 23 40.4 93.8 -4.2 0.0 162 417 09 28 21 09 31 20 J0137+3309 21 21 23 41.1 90.6 -4.3 0.0 -18 417 No stop 09 33 20 --- 21 23 24 41.3 91.1 -4.3 0.0 102 433 09 31 21 09 33 20 ZW049 21 23 24 40.6 94.2 -4.2 0.0 -18 433 No stop 09 36 20 --- 21 26 24 41.0 94.9 -4.1 0.0 162 456 09 33 21 09 36 40 J0137+3309 21 26 44 41.8 91.8 -4.2 0.0 2 456 09 36 40 09 38 20 --- 21 28 25 42.0 92.1 -4.2 0.0 100 469 09 36 41 09 38 20 ZW049 21 28 25 41.3 95.3 -4.1 0.0 -18 469 No stop 09 41 20 --- 21 31 25 41.7 96.0 -4.0 0.0 162 492 09 38 21 09 41 20 J0137+3309 21 31 25 42.4 92.8 -4.1 0.0 -18 492 No stop 09 43 20 --- 21 33 25 42.7 93.2 -4.1 0.0 102 508 09 41 21 09 43 20 ZW049 21 33 25 42.0 96.4 -4.0 0.0 -18 508 No stop 09 46 20 --- 21 36 26 42.4 97.1 -3.9 0.0 162 531 09 43 21 09 46 40 J0137+3309 21 36 46 43.1 94.0 -4.0 0.0 2 531 09 46 40 09 48 20 --- 21 38 26 43.4 94.3 -4.0 0.0 100 544 09 46 41 09 48 20 ZW049 21 38 26 42.7 97.6 -3.9 0.0 -18 544 No stop 09 51 20 --- 21 41 27 43.1 98.3 -3.8 0.0 162 567 09 48 21 09 51 20 J0137+3309 21 41 27 43.8 95.0 -4.0 0.0 -18 567 No stop 09 53 20 --- 21 43 27 44.0 95.4 -3.9 0.0 102 582 09 51 21 09 53 20 ZW049 21 43 27 43.3 98.7 -3.8 0.0 -18 582 No stop 09 56 20 --- 21 46 28 43.7 99.4 -3.8 0.0 162 605 09 53 21 09 56 40 J0137+3309 21 46 48 44.5 96.2 -3.9 0.0 2 605 09 56 40 09 58 20 --- 21 48 28 44.7 96.6 -3.8 0.0 100 618 09 56 41 09 58 20 ZW049 21 48 28 44.0 99.9 -3.7 0.0 -18 618 No stop 10 01 20 --- 21 51 28 44.4 100.6 -3.7 0.0 162 642 09 58 21 10 01 20 J0137+3309 21 51 28 45.1 97.2 -3.8 0.0 -18 642 No stop 10 03 20 --- 21 53 29 45.4 97.7 -3.8 0.0 102 657 10 01 21 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 10 03 20 ZW049 21 53 29 44.7 101.1 -3.6 0.0 -18 657 No stop 10 06 20 --- 21 56 29 45.1 101.8 -3.6 0.0 162 680 10 03 21 10 06 40 J0137+3309 21 56 49 45.8 98.5 -3.7 0.0 2 680 10 06 40 10 08 20 --- 21 58 29 46.0 98.9 -3.7 0.0 100 693 10 06 41 10 08 20 ZW049 21 58 29 45.3 102.2 -3.6 0.0 -18 693 No stop 10 11 20 --- 22 01 30 45.7 103.0 -3.5 0.0 162 716 10 08 21 10 11 20 J0137+3309 22 01 30 46.4 99.6 -3.6 0.0 -18 716 No stop 10 13 20 --- 22 03 30 46.7 100.0 -3.6 0.0 102 732 10 11 21 10 13 20 ZW049 22 03 30 46.0 103.5 -3.5 0.0 -18 732 No stop 10 16 20 --- 22 06 31 46.4 104.2 -3.4 0.0 162 755 10 13 21 10 16 40 J0137+3309 22 06 51 47.1 100.8 -3.5 0.0 2 755 10 16 40 10 18 20 --- 22 08 31 47.4 101.2 -3.5 0.0 100 768 10 16 41 10 18 20 ZW049 22 08 31 46.6 104.7 -3.4 0.0 -18 768 No stop 10 21 20 --- 22 11 32 47.0 105.4 -3.3 0.0 162 791 10 18 21 10 21 20 J0137+3309 22 11 32 47.8 101.9 -3.5 0.0 -18 791 No stop 10 23 20 --- 22 13 32 48.0 102.4 -3.4 0.0 102 806 10 21 21 10 23 20 ZW049 22 13 32 47.3 105.9 -3.3 0.0 -18 806 No stop 10 26 20 --- 22 16 32 47.7 106.7 -3.3 0.0 162 830 10 23 21 10 26 40 J0137+3309 22 16 52 48.5 103.2 -3.4 0.0 2 830 10 26 40 10 28 20 --- 22 18 33 48.7 103.6 -3.3 0.0 100 842 10 26 41 10 28 20 ZW049 22 18 33 47.9 107.2 -3.2 0.0 -18 842 No stop 10 31 20 --- 22 21 33 48.3 108.0 -3.2 0.0 162 866 10 28 21 10 31 20 J0137+3309 22 21 33 49.1 104.4 -3.3 0.0 -18 866 No stop 10 33 20 --- 22 23 34 49.3 104.9 -3.3 0.0 102 881 10 31 21 10 33 20 ZW049 22 23 34 48.6 108.5 -3.1 0.0 -18 881 No stop 10 36 20 --- 22 26 34 49.0 109.3 -3.1 0.0 162 904 10 33 21 10 36 40 J0137+3309 22 26 54 49.8 105.7 -3.2 0.0 2 904 10 36 40 10 38 20 --- 22 28 34 50.0 106.2 -3.2 0.0 100 917 10 36 41 10 38 20 ZW049 22 28 34 49.2 109.8 -3.1 0.0 -18 917 No stop 10 41 20 --- 22 31 35 49.6 110.6 -3.0 0.0 162 940 10 38 21 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 10 41 20 J0137+3309 22 31 35 50.4 106.9 -3.1 0.0 -18 940 No stop 10 43 20 --- 22 33 35 50.6 107.5 -3.1 0.0 102 956 10 41 21 10 43 20 ZW049 22 33 35 49.8 111.1 -3.0 0.0 -18 956 No stop 10 46 20 --- 22 36 36 50.2 111.9 -2.9 0.0 162 979 10 43 21 10 46 40 J0137+3309 22 36 56 51.1 108.3 -3.0 0.0 2 979 10 46 40 10 48 20 --- 22 38 36 51.3 108.8 -3.0 0.0 100 992 10 46 41 10 48 20 ZW049 22 38 36 50.5 112.5 -2.9 0.0 -18 992 No stop 10 51 20 --- 22 41 37 50.8 113.3 -2.8 0.0 162 1015 10 48 21 10 51 20 J0137+3309 22 41 37 51.7 109.6 -3.0 0.0 -18 1015 No stop 10 53 20 --- 22 43 37 51.9 110.1 -2.9 0.0 102 1031 10 51 21 10 53 20 ZW049 22 43 37 51.1 113.9 -2.8 0.0 -18 1031 No stop 10 56 20 --- 22 46 37 51.5 114.7 -2.8 0.0 162 1054 10 53 21 10 56 40 J0137+3309 22 46 57 52.3 111.0 -2.9 0.0 2 1054 10 56 40 10 58 20 --- 22 48 38 52.5 111.5 -2.8 0.0 100 1067 10 56 41 10 58 20 ZW049 22 48 38 51.7 115.3 -2.7 0.0 -18 1067 No stop 11 01 20 --- 22 51 38 52.1 116.1 -2.7 0.0 162 1090 10 58 21 11 01 20 J0137+3309 22 51 38 52.9 112.3 -2.8 0.0 -18 1090 No stop 11 03 20 --- 22 53 39 53.2 112.9 -2.8 0.0 102 1105 11 01 21 11 03 20 ZW049 22 53 39 52.3 116.7 -2.6 0.0 -18 1105 No stop 11 06 20 --- 22 56 39 52.7 117.6 -2.6 0.0 162 1128 11 03 21 11 06 40 J0137+3309 22 56 59 53.6 113.8 -2.7 0.0 2 1128 11 06 40 11 08 20 --- 22 58 39 53.8 114.3 -2.7 0.0 100 1141 11 06 41 11 13 20 J0237+2848 23 03 40 43.2 103.8 -3.6 0.0 240 1141 11 13 20 11 18 20 =0234+285 23 08 41 43.9 105.0 -3.5 0.0 300 1180 11 13 21 11 18 40 J0137+3309 23 09 01 55.0 117.3 -2.5 0.0 -41 1180 11 18 40 11 23 40 --- 23 14 02 55.6 118.8 -2.4 0.0 259 1219 11 18 41 11 23 40 ZW049 23 14 02 54.7 122.8 -2.3 0.0 -18 1219 No stop 11 26 40 --- 23 17 02 55.0 123.8 -2.3 0.0 162 1242 11 23 41 11 26 40 J0137+3309 23 17 02 56.0 119.8 -2.4 0.0 -18 1242 No stop 11 28 40 --- 23 19 03 56.2 120.4 -2.3 0.0 102 1257 11 26 41 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 11 28 40 ZW049 23 19 03 55.3 124.4 -2.2 0.0 -18 1257 No stop 11 31 40 --- 23 22 03 55.6 125.4 -2.2 0.0 162 1280 11 28 41 11 32 00 J0137+3309 23 22 23 56.6 121.4 -2.3 0.0 2 1280 11 32 00 11 33 40 --- 23 24 04 56.8 122.0 -2.2 0.0 100 1293 11 32 01 11 33 40 ZW049 23 24 04 55.8 126.1 -2.1 0.0 -18 1293 No stop 11 36 40 --- 23 27 04 56.1 127.0 -2.1 0.0 162 1317 11 33 41 11 36 40 J0137+3309 23 27 04 57.2 122.9 -2.2 0.0 -18 1317 No stop 11 38 40 --- 23 29 04 57.4 123.6 -2.2 0.0 102 1332 11 36 41 11 38 40 ZW049 23 29 04 56.4 127.7 -2.1 0.0 -18 1332 No stop 11 41 40 --- 23 32 05 56.7 128.7 -2.0 0.0 162 1355 11 38 41 11 42 00 J0137+3309 23 32 25 57.8 124.7 -2.1 0.0 2 1355 11 42 00 11 43 40 --- 23 34 05 57.9 125.2 -2.1 0.0 100 1368 11 42 01 11 43 40 ZW049 23 34 05 56.9 129.4 -2.0 0.0 -18 1368 No stop 11 46 40 --- 23 37 06 57.2 130.4 -1.9 0.0 162 1391 11 43 41 11 46 40 J0137+3309 23 37 06 58.3 126.3 -2.0 0.0 -18 1391 No stop 11 48 40 --- 23 39 06 58.5 126.9 -2.0 0.0 102 1407 11 46 41 11 48 40 ZW049 23 39 06 57.4 131.1 -1.9 0.0 -18 1407 No stop 11 51 40 --- 23 42 06 57.7 132.2 -1.8 0.0 162 1430 11 48 41 11 52 00 J0137+3309 23 42 27 58.8 128.1 -1.9 0.0 2 1430 11 52 00 11 53 40 --- 23 44 07 59.0 128.7 -1.9 0.0 100 1443 11 52 01 11 53 40 ZW049 23 44 07 57.9 132.9 -1.8 0.0 -18 1443 No stop 11 56 40 --- 23 47 07 58.2 134.0 -1.8 0.0 162 1466 11 53 41 11 56 40 J0137+3309 23 47 07 59.3 129.7 -1.9 0.0 -18 1466 No stop 11 58 40 --- 23 49 08 59.5 130.5 -1.8 0.0 102 1481 11 56 41 11 58 40 ZW049 23 49 08 58.4 134.7 -1.7 0.0 -18 1481 No stop 12 01 40 --- 23 52 08 58.7 135.8 -1.7 0.0 162 1505 11 58 41 12 02 00 J0137+3309 23 52 28 59.9 131.7 -1.8 0.0 2 1505 12 02 00 12 03 40 --- 23 54 08 60.0 132.3 -1.7 0.0 100 1517 12 02 01 12 03 40 ZW049 23 54 08 58.9 136.6 -1.6 0.0 -18 1517 No stop 12 06 40 --- 23 57 09 59.1 137.7 -1.6 0.0 162 1541 12 03 41 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 12 06 40 J0137+3309 23 57 09 60.3 133.4 -1.7 0.0 -18 1541 No stop 12 08 40 --- 23 59 09 60.5 134.2 -1.7 0.0 102 1556 12 06 41 12 08 40 ZW049 23 59 09 59.3 138.5 -1.6 0.0 -18 1556 No stop 12 11 40 --- 00 02 10 59.6 139.6 -1.5 0.0 162 1579 12 08 41 12 12 00 J0137+3309 00 02 30 60.9 135.4 -1.6 0.0 2 1579 12 12 00 12 13 40 --- 00 04 10 61.0 136.1 -1.6 0.0 100 1592 12 12 01 12 13 40 ZW049 00 04 10 59.8 140.4 -1.5 0.0 -18 1592 No stop 12 16 40 --- 00 07 11 60.0 141.6 -1.4 0.0 162 1615 12 13 41 12 16 40 J0137+3309 00 07 11 61.3 137.2 -1.5 0.0 -18 1615 No stop 12 18 40 --- 00 09 11 61.5 138.0 -1.5 0.0 102 1631 12 16 41 12 18 40 ZW049 00 09 11 60.2 142.4 -1.4 0.0 -18 1631 No stop 12 21 40 --- 00 12 11 60.4 143.6 -1.3 0.0 162 1654 12 18 41 12 22 00 J0137+3309 00 12 31 61.8 139.4 -1.4 0.0 2 1654 12 22 00 12 23 40 --- 00 14 12 61.9 140.0 -1.4 0.0 100 1667 12 22 01 12 23 40 ZW049 00 14 12 60.6 144.4 -1.3 0.0 -18 1667 No stop 12 26 40 --- 00 17 12 60.8 145.6 -1.3 0.0 162 1690 12 23 41 12 26 40 J0137+3309 00 17 12 62.2 141.2 -1.4 0.0 -18 1690 No stop 12 28 40 --- 00 19 13 62.3 142.1 -1.3 0.0 102 1706 12 26 41 12 28 40 ZW049 00 19 13 61.0 146.4 -1.2 0.0 -18 1706 No stop 12 31 40 --- 00 22 13 61.2 147.7 -1.2 0.0 162 1729 12 28 41 12 32 00 J0137+3309 00 22 33 62.6 143.5 -1.3 0.0 2 1729 12 32 00 12 33 40 --- 00 24 13 62.7 144.2 -1.2 0.0 100 1742 12 32 01 12 33 40 ZW049 00 24 13 61.3 148.5 -1.1 0.0 -18 1742 No stop 12 36 40 --- 00 27 14 61.5 149.8 -1.1 0.0 162 1765 12 33 41 12 36 40 J0137+3309 00 27 14 63.0 145.4 -1.2 0.0 -18 1765 No stop 12 38 40 --- 00 29 14 63.1 146.3 -1.2 0.0 102 1780 12 36 41 12 38 40 ZW049 00 29 14 61.7 150.6 -1.1 0.0 -18 1780 No stop 12 41 40 --- 00 32 15 61.9 151.9 -1.0 0.0 162 1803 12 38 41 12 42 00 J0137+3309 00 32 35 63.4 147.8 -1.1 0.0 2 1803 12 42 00 12 43 40 --- 00 34 15 63.5 148.5 -1.1 0.0 100 1816 12 42 01 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 12 43 40 ZW049 00 34 15 62.0 152.8 -1.0 0.0 -18 1816 No stop 12 46 40 --- 00 37 15 62.2 154.1 -0.9 0.0 162 1840 12 43 41 12 46 40 J0137+3309 00 37 15 63.7 149.8 -1.0 0.0 -18 1840 No stop 12 48 40 --- 00 39 16 63.8 150.7 -1.0 0.0 102 1855 12 46 41 12 48 40 ZW049 00 39 16 62.3 155.0 -0.9 0.0 -18 1855 No stop 12 51 40 --- 00 42 16 62.5 156.3 -0.8 0.0 162 1878 12 48 41 12 52 00 J0137+3309 00 42 36 64.0 152.2 -0.9 0.0 2 1878 12 52 00 12 53 40 --- 00 44 17 64.2 153.0 -0.9 0.0 100 1891 12 52 01 12 53 40 ZW049 00 44 17 62.6 157.2 -0.8 0.0 -18 1891 No stop 12 56 40 --- 00 47 17 62.7 158.6 -0.8 0.0 162 1914 12 53 41 12 56 40 J0137+3309 00 47 17 64.3 154.4 -0.9 0.0 -18 1914 No stop 12 58 40 --- 00 49 17 64.4 155.3 -0.8 0.0 102 1930 12 56 41 12 58 40 ZW049 00 49 17 62.8 159.5 -0.7 0.0 -18 1930 No stop 13 01 40 --- 00 52 18 62.9 160.9 -0.7 0.0 162 1953 12 58 41 13 02 00 J0137+3309 00 52 38 64.6 156.9 -0.8 0.0 2 1953 13 02 00 13 03 40 --- 00 54 18 64.7 157.7 -0.7 0.0 100 1966 13 02 01 13 03 40 ZW049 00 54 18 63.0 161.8 -0.6 0.0 -18 1966 No stop 13 06 40 --- 00 57 19 63.2 163.2 -0.6 0.0 162 1989 13 03 41 13 06 40 J0137+3309 00 57 19 64.9 159.1 -0.7 0.0 -18 1989 No stop 13 08 40 --- 00 59 19 65.0 160.1 -0.7 0.0 102 2004 13 06 41 13 08 40 ZW049 00 59 19 63.2 164.1 -0.6 0.0 -18 2004 No stop 13 11 40 --- 01 02 20 63.3 165.6 -0.5 0.0 162 2028 13 08 41 13 12 00 J0137+3309 01 02 40 65.1 161.7 -0.6 0.0 2 2028 13 12 00 13 13 40 --- 01 04 20 65.2 162.5 -0.6 0.0 100 2040 13 12 01 13 13 40 ZW049 01 04 20 63.4 166.5 -0.5 0.0 -18 2040 No stop 13 16 40 --- 01 07 20 63.5 167.9 -0.4 0.0 162 2064 13 13 41 13 16 40 J0137+3309 01 07 20 65.3 164.0 -0.5 0.0 -18 2064 No stop 13 18 40 --- 01 09 21 65.4 165.0 -0.5 0.0 102 2079 13 16 41 13 18 40 ZW049 01 09 21 63.5 168.9 -0.4 0.0 -18 2079 No stop 13 21 40 --- 01 12 21 63.6 170.3 -0.3 0.0 162 2102 13 18 41 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 13 22 00 J0137+3309 01 12 41 65.5 166.6 -0.4 0.0 2 2102 13 22 00 13 23 40 --- 01 14 22 65.5 167.5 -0.4 0.0 100 2115 13 22 01 13 23 40 ZW049 01 14 22 63.7 171.3 -0.3 0.0 -18 2115 No stop 13 26 40 --- 01 17 22 63.7 172.7 -0.3 0.0 162 2138 13 23 41 13 26 40 J0137+3309 01 17 22 65.6 169.0 -0.4 0.0 -18 2138 No stop 13 28 40 --- 01 19 22 65.7 170.0 -0.3 0.0 102 2154 13 26 41 13 28 40 ZW049 01 19 22 63.8 173.7 -0.2 0.0 -18 2154 No stop 13 31 40 --- 01 22 23 63.8 175.1 -0.2 0.0 162 2177 13 28 41 13 32 00 J0137+3309 01 22 43 65.7 171.7 -0.3 0.0 2 2177 13 32 00 13 33 40 --- 01 24 23 65.8 172.5 -0.2 0.0 100 2190 13 32 01 13 33 40 ZW049 01 24 23 63.8 176.1 -0.1 0.0 -18 2190 No stop 13 36 40 --- 01 27 24 63.8 177.6 -0.1 0.0 162 2213 13 33 41 13 36 40 J0137+3309 01 27 24 65.8 174.1 -0.2 0.0 -18 2213 No stop 13 38 40 --- 01 29 24 65.8 175.1 -0.2 0.0 102 2229 13 36 41 13 38 40 ZW049 01 29 24 63.8 178.5 -0.1 0.0 -18 2229 No stop 13 41 40 --- 01 32 25 63.8 180.0 -0.0 0.0 162 2252 13 38 41 13 42 00 J0137+3309 01 32 45 65.9 176.8 -0.1 0.0 2 2252 13 42 00 13 43 40 --- 01 34 25 65.9 177.6 -0.1 0.0 100 2265 13 42 01 13 44 40 J0530+1331 01 35 25 27.7 109.3 -3.9 0.0 -145 2265 13 44 40 13 51 40 =0528+134 01 42 26 28.6 111.0 -3.8 0.0 275 2319 13 44 41 13 52 00 J0137+3309 01 42 46 65.9 181.9 0.1 0.0 -191 2319 13 52 00 13 59 00 --- 01 49 47 65.8 185.5 0.2 0.0 229 2373 13 52 01 13 59 00 ZW049 01 49 47 63.7 188.4 0.3 0.0 -18 2373 No stop 14 02 00 --- 01 52 48 63.6 189.8 0.3 0.0 162 2396 13 59 01 14 02 00 J0137+3309 01 52 48 65.8 187.0 0.2 0.0 -18 2396 No stop 14 04 00 --- 01 54 48 65.7 188.0 0.3 0.0 102 2411 14 02 01 14 04 00 ZW049 01 54 48 63.6 190.8 0.4 0.0 -18 2411 No stop 14 07 00 --- 01 57 49 63.5 192.2 0.4 0.0 162 2435 14 04 01 14 07 20 J0137+3309 01 58 09 65.7 189.7 0.3 0.0 2 2435 14 07 20 14 09 00 --- 01 59 49 65.6 190.6 0.3 0.0 100 2448 14 07 21 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 14 09 00 ZW049 01 59 49 63.4 193.2 0.5 0.0 -18 2448 No stop 14 12 00 --- 02 02 50 63.3 194.6 0.5 0.0 162 2471 14 09 01 14 12 00 J0137+3309 02 02 50 65.6 192.1 0.4 0.0 -18 2471 No stop 14 14 00 --- 02 04 50 65.5 193.1 0.4 0.0 102 2486 14 12 01 14 14 00 ZW049 02 04 50 63.3 195.5 0.5 0.0 -18 2486 No stop 14 17 00 --- 02 07 50 63.1 196.9 0.6 0.0 162 2509 14 14 01 14 17 20 J0137+3309 02 08 10 65.4 194.7 0.5 0.0 2 2509 14 17 20 14 19 00 --- 02 09 51 65.3 195.6 0.5 0.0 100 2522 14 17 21 14 19 00 ZW049 02 09 51 63.1 197.9 0.6 0.0 -18 2522 No stop 14 22 00 --- 02 12 51 62.9 199.3 0.7 0.0 162 2545 14 19 01 14 22 00 J0137+3309 02 12 51 65.2 197.0 0.6 0.0 -18 2545 No stop 14 24 00 --- 02 14 51 65.1 198.0 0.6 0.0 102 2561 14 22 01 14 24 00 ZW049 02 14 51 62.8 200.2 0.7 0.0 -18 2561 No stop 14 27 00 --- 02 17 52 62.7 201.5 0.8 0.0 162 2584 14 24 01 14 27 20 J0137+3309 02 18 12 65.0 199.6 0.7 0.0 2 2584 14 27 20 14 29 00 --- 02 19 52 64.9 200.4 0.7 0.0 100 2597 14 27 21 14 29 00 ZW049 02 19 52 62.6 202.4 0.8 0.0 -18 2597 No stop 14 32 00 --- 02 22 53 62.4 203.8 0.8 0.0 162 2620 14 29 01 14 32 00 J0137+3309 02 22 53 64.8 201.9 0.7 0.0 -18 2620 No stop 14 34 00 --- 02 24 53 64.7 202.8 0.8 0.0 102 2636 14 32 01 14 34 00 ZW049 02 24 53 62.3 204.7 0.9 0.0 -18 2636 No stop 14 37 00 --- 02 27 54 62.2 206.0 0.9 0.0 162 2659 14 34 01 14 37 20 J0137+3309 02 28 14 64.5 204.4 0.8 0.0 2 2659 14 37 20 14 39 00 --- 02 29 54 64.4 205.2 0.8 0.0 100 2672 14 37 21 14 39 00 ZW049 02 29 54 62.0 206.9 1.0 0.0 -18 2672 No stop 14 42 00 --- 02 32 54 61.8 208.2 1.0 0.0 162 2695 14 39 01 14 42 00 J0137+3309 02 32 54 64.2 206.6 0.9 0.0 -18 2695 No stop 14 44 00 --- 02 34 55 64.1 207.5 0.9 0.0 102 2710 14 42 01 14 44 00 ZW049 02 34 55 61.7 209.1 1.0 0.0 -18 2710 No stop 14 47 00 --- 02 37 55 61.5 210.4 1.1 0.0 162 2734 14 44 01 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 14 47 20 J0137+3309 02 38 15 63.9 209.0 1.0 0.0 2 2734 14 47 20 14 49 00 --- 02 39 56 63.8 209.8 1.0 0.0 100 2746 14 47 21 14 49 00 ZW049 02 39 56 61.4 211.2 1.1 0.0 -18 2746 No stop 14 52 00 --- 02 42 56 61.2 212.5 1.2 0.0 162 2770 14 49 01 14 52 00 J0137+3309 02 42 56 63.6 211.1 1.1 0.0 -18 2770 No stop 14 54 00 --- 02 44 56 63.4 212.0 1.1 0.0 102 2785 14 52 01 14 54 00 ZW049 02 44 56 61.0 213.3 1.2 0.0 -18 2785 No stop 14 57 00 --- 02 47 57 60.8 214.5 1.3 0.0 162 2808 14 54 01 14 57 20 J0137+3309 02 48 17 63.2 213.4 1.2 0.0 2 2808 14 57 20 14 59 00 --- 02 49 57 63.0 214.2 1.2 0.0 100 2821 14 57 21 14 59 00 ZW049 02 49 57 60.6 215.4 1.3 0.0 -18 2821 No stop 15 02 00 --- 02 52 58 60.4 216.6 1.3 0.0 162 2844 14 59 01 15 02 00 J0137+3309 02 52 58 62.8 215.4 1.2 0.0 -18 2844 No stop 15 04 00 --- 02 54 58 62.7 216.3 1.3 0.0 102 2860 15 02 01 15 04 00 ZW049 02 54 58 60.2 217.4 1.4 0.0 -18 2860 No stop 15 07 00 --- 02 57 59 60.0 218.6 1.4 0.0 162 2883 15 04 01 15 07 20 J0137+3309 02 58 19 62.4 217.7 1.3 0.0 2 2883 15 07 20 15 09 00 --- 02 59 59 62.2 218.4 1.3 0.0 100 2896 15 07 21 15 09 00 ZW049 02 59 59 59.8 219.3 1.5 0.0 -18 2896 No stop 15 12 00 --- 03 02 59 59.6 220.5 1.5 0.0 162 2919 15 09 01 15 12 00 J0137+3309 03 02 59 62.0 219.6 1.4 0.0 -18 2919 No stop 15 14 00 --- 03 05 00 61.8 220.4 1.4 0.0 102 2935 15 12 01 15 14 00 ZW049 03 05 00 59.4 221.3 1.5 0.0 -18 2935 No stop 15 17 00 --- 03 08 00 59.1 222.4 1.6 0.0 162 2958 15 14 01 15 17 20 J0137+3309 03 08 20 61.5 221.8 1.5 0.0 2 2958 15 17 20 15 19 00 --- 03 10 01 61.4 222.4 1.5 0.0 100 2971 15 17 21 15 19 00 ZW049 03 10 01 58.9 223.2 1.6 0.0 -18 2971 No stop 15 22 00 --- 03 13 01 58.6 224.3 1.7 0.0 162 2994 15 19 01 15 22 00 J0137+3309 03 13 01 61.1 223.6 1.6 0.0 -18 2994 No stop 15 24 00 --- 03 15 01 60.9 224.4 1.6 0.0 102 3009 15 22 01 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 15 24 00 ZW049 03 15 01 58.5 225.0 1.7 0.0 -18 3009 No stop 15 27 00 --- 03 18 02 58.2 226.1 1.8 0.0 162 3032 15 24 01 15 27 20 J0137+3309 03 18 22 60.6 225.6 1.7 0.0 2 3032 15 27 20 15 29 00 --- 03 20 02 60.4 226.3 1.7 0.0 100 3045 15 27 21 15 29 00 ZW049 03 20 02 58.0 226.8 1.8 0.0 -18 3045 No stop 15 32 00 --- 03 23 03 57.7 227.9 1.8 0.0 162 3068 15 29 01 15 32 00 J0137+3309 03 23 03 60.1 227.4 1.7 0.0 -18 3068 No stop 15 34 00 --- 03 25 03 59.9 228.1 1.8 0.0 102 3084 15 32 01 15 34 00 ZW049 03 25 03 57.5 228.6 1.9 0.0 -18 3084 No stop 15 37 00 --- 03 28 03 57.2 229.7 1.9 0.0 162 3107 15 34 01 15 37 20 J0137+3309 03 28 24 59.6 229.3 1.8 0.0 2 3107 15 37 20 15 39 00 --- 03 30 04 59.4 229.9 1.9 0.0 100 3120 15 37 21 15 39 00 ZW049 03 30 04 57.0 230.4 2.0 0.0 -18 3120 No stop 15 42 00 --- 03 33 04 56.6 231.4 2.0 0.0 162 3143 15 39 01 15 42 00 J0137+3309 03 33 04 59.1 231.0 1.9 0.0 -18 3143 No stop 15 44 00 --- 03 35 05 58.9 231.7 1.9 0.0 102 3159 15 42 01 15 44 00 ZW049 03 35 05 56.4 232.1 2.0 0.0 -18 3159 No stop 15 47 00 --- 03 38 05 56.1 233.1 2.1 0.0 162 3182 15 44 01 15 47 20 J0137+3309 03 38 25 58.5 232.9 2.0 0.0 2 3182 15 47 20 15 49 00 --- 03 40 05 58.4 233.4 2.0 0.0 100 3195 15 47 21 15 49 00 ZW049 03 40 05 55.9 233.7 2.1 0.0 -18 3195 No stop 15 52 00 --- 03 43 06 55.6 234.7 2.2 0.0 162 3218 15 49 01 15 52 00 J0137+3309 03 43 06 58.0 234.4 2.1 0.0 -18 3218 No stop 15 54 00 --- 03 45 06 57.8 235.1 2.1 0.0 102 3233 15 52 01 15 54 00 ZW049 03 45 06 55.3 235.3 2.2 0.0 -18 3233 No stop 15 57 00 --- 03 48 07 55.0 236.3 2.3 0.0 162 3257 15 54 01 15 57 20 J0137+3309 03 48 27 57.4 236.2 2.2 0.0 2 3257 15 57 20 15 59 00 --- 03 50 07 57.3 236.8 2.2 0.0 100 3269 15 57 21 15 59 00 ZW049 03 50 07 54.8 236.9 2.3 0.0 -18 3269 No stop 16 02 00 --- 03 53 08 54.4 237.9 2.3 0.0 162 3293 15 59 01 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 16 02 00 J0137+3309 03 53 08 56.9 237.7 2.2 0.0 -18 3293 No stop 16 04 00 --- 03 55 08 56.7 238.4 2.3 0.0 102 3308 16 02 01 16 04 00 ZW049 03 55 08 54.2 238.5 2.4 0.0 -18 3308 No stop 16 07 00 --- 03 58 08 53.9 239.4 2.4 0.0 162 3331 16 04 01 16 07 20 J0137+3309 03 58 28 56.3 239.4 2.3 0.0 2 3331 16 07 20 16 09 00 --- 04 00 09 56.1 240.0 2.4 0.0 100 3344 16 07 21 16 09 00 ZW049 04 00 09 53.6 240.0 2.5 0.0 -18 3344 No stop 16 12 00 --- 04 03 09 53.3 240.9 2.5 0.0 162 3367 16 09 01 16 12 00 J0137+3309 04 03 09 55.8 240.9 2.4 0.0 -18 3367 No stop 16 14 00 --- 04 05 10 55.5 241.5 2.4 0.0 102 3383 16 12 01 16 14 00 ZW049 04 05 10 53.0 241.5 2.5 0.0 -18 3383 No stop 16 17 00 --- 04 08 10 52.7 242.4 2.6 0.0 162 3406 16 14 01 16 17 20 J0137+3309 04 08 30 55.1 242.5 2.5 0.0 2 3406 16 17 20 16 19 00 --- 04 10 10 54.9 243.0 2.5 0.0 100 3419 16 17 21 16 20 00 J0530+1331 04 11 11 43.5 152.3 -1.4 0.0 -145 3419 16 20 00 16 30 00 =0528+134 04 21 12 44.1 155.6 -1.2 0.0 455 3496 16 20 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: 4 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: 4 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) * ZW049 01 28 16.137508 * 01 31 05.200000 01 32 25.380551 0.00 30 51 31.76010 * 31 06 58.00000 31 14 25.58053 0.00 From catalog imbedded in main SCHED input file. Target * J0137+3309 01 34 49.826479 * 01 37 41.299545 01 39 02.639199 0.00 32 54 20.25999 * 33 09 35.13417 33 16 58.08178 0.00 From catalog imbedded in main SCHED input file. Phaseref approx 2.48 degrees from ZW049 0234+285 02 34 55.589590 * 02 37 52.405677 02 39 16.724622 0.00 * J0237+2848 28 35 11.40773 * 28 48 08.98999 28 54 27.24159 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 58420 observations. 0528+134 05 28 06.759216 * 05 30 56.416746 05 32 18.371544 0.21 * J0530+1331 13 29 42.28882 * 13 31 55.14948 13 33 00.55651 0.24 J0530+13 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 138236 observations. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 16.510006 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 22 51.76427 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 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 ZW049 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 4.100 383.846 J0137+3309 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 2.789 240.092 J0237+2848 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 0.250 19.920 J0530+1331 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 0.283 21.510 3C286 sess124.L1024 1 2 3 4 5 6 7 0.117 6.417 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) ZW049 49.0 J0137+3309 51.4 J0237+2848 59.8 J0530+1331 95.7 3C286 138.7 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