COVER INFORMATION Station: MEDICINA (Code Mc ) Experiment: e-EVN observation of a possibly imminent merger of SMBH binary Exp. Code: RA005 Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Tao AN Address: Shanghai Astronomical Observatory No. 80 Nandan Road Shanghai 200030 China Phone: +86-21-64386191 EMAIL: antao@shao.ac.cn Fax: Phone during observation: Observing mode: Phase-referencing Notes: 1.6 GHz, dual polarisation, 1024 Mbps eVLBI, 5.5 hours at GST: 0800-1330 Drafted by Yingkang Zhang Schedule for MEDICINA (Code Mc ) Page 2 e-EVN observation of a possibly imminent merger of SMBH binary 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 27 Feb 2022 Day 58 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 331.49 331.49 331.49 331.49 395.49 395.49 395.49 395.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 30 00 4C39.25 08 47 22 80.5 482.5 -0.7 -50.6 0 0 21 30 00 21 35 00 --- 08 52 23 81.3 486.6 -0.6 -47.4 300 39 21 30 01 21 36 30 P1427+2348 08 53 53 20.8 436.8 -5.6 -49.3 -35 39 21 36 30 21 38 00 --- 08 55 23 21.1 437.0 -5.5 -49.3 55 50 21 36 31 21 38 00 J1430+2303 08 55 23 20.0 437.1 -5.6 -49.0 -7 50 No stop 21 42 30 --- 08 59 54 20.8 437.8 -5.5 -49.2 263 85 21 38 01 21 42 30 P1427+2348 08 59 54 21.9 437.7 -5.5 -49.5 -7 85 No stop 21 44 00 --- 09 01 24 22.1 438.0 -5.4 -49.6 83 97 21 42 31 21 44 00 J1430+2303 09 01 24 21.1 438.0 -5.5 -49.2 -7 97 No stop 21 48 30 --- 09 05 55 21.9 438.8 -5.4 -49.4 263 131 21 44 01 21 49 20 P1427+2348 09 06 45 23.1 438.8 -5.4 -49.8 43 131 21 49 20 21 50 50 --- 09 08 15 23.3 439.1 -5.3 -49.9 90 143 21 49 21 21 50 50 J1430+2303 09 08 15 22.3 439.1 -5.4 -49.5 -7 143 No stop 21 55 20 --- 09 12 46 23.1 439.9 -5.3 -49.7 263 178 21 50 51 21 55 20 P1427+2348 09 12 46 24.1 439.8 -5.3 -50.0 -7 178 No stop 21 56 50 --- 09 14 16 24.4 440.0 -5.2 -50.1 83 189 21 55 21 21 56 50 J1430+2303 09 14 16 23.3 440.1 -5.3 -49.7 -7 189 No stop 22 01 20 --- 09 18 47 24.1 440.8 -5.2 -49.9 263 224 21 56 51 22 01 20 P1427+2348 09 18 47 25.2 440.7 -5.2 -50.2 -7 224 No stop 22 02 50 --- 09 20 17 25.4 441.0 -5.1 -50.3 83 236 22 01 21 22 03 30 J1430+2303 09 20 58 24.5 441.2 -5.2 -49.9 33 236 22 03 30 22 06 30 --- 09 23 58 25.0 441.7 -5.1 -50.0 180 259 22 03 31 22 06 30 P1427+2348 09 23 58 26.1 441.6 -5.1 -50.4 -7 259 No stop 22 08 00 --- 09 25 28 26.3 441.8 -5.0 -50.4 83 271 22 06 31 22 08 00 J1430+2303 09 25 28 25.3 441.9 -5.1 -50.1 -7 271 No stop 22 12 30 --- 09 29 59 26.1 442.7 -5.0 -50.2 263 305 22 08 01 22 12 30 P1427+2348 09 29 59 27.1 442.6 -5.0 -50.5 -7 305 No stop 22 14 00 --- 09 31 29 27.4 442.8 -4.9 -50.6 83 317 22 12 31 Schedule for MEDICINA (Code Mc ) Page 3 e-EVN observation of a possibly imminent merger of SMBH binary 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 27 Feb 2022 Day 58 --- 22 14 00 J1430+2303 09 31 29 26.4 442.9 -5.0 -50.2 -7 317 No stop 22 18 30 --- 09 36 00 27.2 443.7 -4.9 -50.3 263 352 22 14 01 22 19 20 P1427+2348 09 36 50 28.4 443.7 -4.9 -50.7 43 352 22 19 20 22 20 50 --- 09 38 20 28.6 443.9 -4.8 -50.7 90 363 22 19 21 22 20 50 J1430+2303 09 38 20 27.6 444.0 -4.9 -50.4 -7 363 No stop 22 25 20 --- 09 42 51 28.4 444.8 -4.8 -50.5 263 398 22 20 51 22 25 20 P1427+2348 09 42 51 29.4 444.7 -4.8 -50.8 -7 398 No stop 22 26 50 --- 09 44 21 29.7 444.9 -4.7 -50.9 83 410 22 25 21 22 26 50 J1430+2303 09 44 21 28.6 445.0 -4.8 -50.5 -7 410 No stop 22 31 20 --- 09 48 52 29.4 445.8 -4.7 -50.6 263 444 22 26 51 22 31 20 P1427+2348 09 48 52 30.5 445.7 -4.7 -50.9 -7 444 No stop 22 32 50 --- 09 50 22 30.8 445.9 -4.6 -51.0 83 456 22 31 21 22 33 30 J1430+2303 09 51 02 29.8 446.2 -4.7 -50.6 33 456 22 33 30 22 36 30 --- 09 54 03 30.4 446.7 -4.6 -50.6 180 479 22 33 31 22 36 30 P1427+2348 09 54 03 31.4 446.6 -4.6 -51.0 -7 479 No stop 22 38 00 --- 09 55 33 31.7 446.8 -4.5 -51.0 83 491 22 36 31 22 38 00 J1430+2303 09 55 33 30.6 446.9 -4.6 -50.6 -7 491 No stop 22 42 30 --- 10 00 04 31.4 447.7 -4.5 -50.7 263 526 22 38 01 22 42 30 P1427+2348 10 00 04 32.5 447.6 -4.5 -51.1 -7 526 No stop 22 44 00 --- 10 01 34 32.8 447.8 -4.4 -51.1 83 537 22 42 31 22 44 00 J1430+2303 10 01 34 31.7 448.0 -4.5 -50.7 -7 537 No stop 22 48 30 --- 10 06 05 32.5 448.7 -4.4 -50.7 263 572 22 44 01 22 49 20 P1427+2348 10 06 55 33.7 448.8 -4.4 -51.1 43 572 22 49 20 22 50 50 --- 10 08 25 34.0 449.0 -4.3 -51.1 90 584 22 49 21 22 50 50 J1430+2303 10 08 25 32.9 449.1 -4.4 -50.7 -7 584 No stop 22 55 20 --- 10 12 56 33.7 449.9 -4.3 -50.7 263 618 22 50 51 22 55 20 P1427+2348 10 12 56 34.8 449.8 -4.3 -51.1 -7 618 No stop 22 56 50 --- 10 14 26 35.0 450.1 -4.2 -51.1 83 630 22 55 21 22 56 50 J1430+2303 10 14 26 34.0 450.2 -4.3 -50.7 -7 630 No stop 23 01 20 --- 10 18 57 34.8 451.0 -4.2 -50.7 263 665 22 56 51 Schedule for MEDICINA (Code Mc ) Page 4 e-EVN observation of a possibly imminent merger of SMBH binary 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 27 Feb 2022 Day 58 --- 23 01 20 P1427+2348 10 18 57 35.8 450.9 -4.2 -51.1 -7 665 No stop 23 02 50 --- 10 20 27 36.1 451.1 -4.1 -51.1 83 676 23 01 21 23 03 30 J1430+2303 10 21 07 35.2 451.4 -4.2 -50.7 33 676 23 03 30 23 06 30 --- 10 24 08 35.7 451.9 -4.1 -50.7 180 699 23 03 31 23 06 30 P1427+2348 10 24 08 36.8 451.8 -4.1 -51.1 -7 699 No stop 23 08 00 --- 10 25 38 37.0 452.1 -4.0 -51.1 83 711 23 06 31 23 08 00 J1430+2303 10 25 38 36.0 452.2 -4.1 -50.7 -7 711 No stop 23 12 30 --- 10 30 09 36.8 453.0 -4.0 -50.7 263 746 23 08 01 23 12 30 P1427+2348 10 30 09 37.8 452.9 -4.0 -51.0 -7 746 No stop 23 14 00 --- 10 31 39 38.1 453.2 -3.9 -51.0 83 757 23 12 31 23 14 00 J1430+2303 10 31 39 37.1 453.3 -4.0 -50.6 -7 757 No stop 23 18 30 --- 10 36 10 37.9 454.1 -3.9 -50.6 263 792 23 14 01 23 19 20 P1427+2348 10 37 00 39.1 454.1 -3.9 -51.0 43 792 23 19 20 23 20 50 --- 10 38 30 39.3 454.4 -3.8 -50.9 90 804 23 19 21 23 20 50 J1430+2303 10 38 30 38.3 454.5 -3.9 -50.5 -7 804 No stop 23 25 20 --- 10 43 01 39.1 455.4 -3.8 -50.4 263 839 23 20 51 23 25 20 P1427+2348 10 43 01 40.1 455.3 -3.7 -50.8 -7 839 No stop 23 26 50 --- 10 44 31 40.4 455.5 -3.7 -50.8 83 850 23 25 21 23 26 50 J1430+2303 10 44 31 39.4 455.7 -3.8 -50.4 -7 850 No stop 23 31 20 --- 10 49 02 40.2 456.5 -3.7 -50.3 263 885 23 26 51 23 31 20 P1427+2348 10 49 02 41.2 456.4 -3.6 -50.7 -7 885 No stop 23 32 50 --- 10 50 32 41.5 456.7 -3.6 -50.7 83 897 23 31 21 23 33 30 J1430+2303 10 51 12 40.5 457.0 -3.7 -50.2 33 897 23 33 30 23 36 30 --- 10 54 13 41.1 457.5 -3.6 -50.1 180 920 23 33 31 23 36 30 P1427+2348 10 54 13 42.1 457.4 -3.6 -50.5 -7 920 No stop 23 38 00 --- 10 55 43 42.4 457.7 -3.5 -50.5 83 931 23 36 31 23 38 00 J1430+2303 10 55 43 41.3 457.8 -3.6 -50.1 -7 931 No stop 23 42 30 --- 11 00 14 42.1 458.7 -3.5 -49.9 263 966 23 38 01 23 42 30 P1427+2348 11 00 14 43.2 458.6 -3.5 -50.3 -7 966 No stop 23 44 00 --- 11 01 44 43.4 458.9 -3.4 -50.3 83 978 23 42 31 Schedule for MEDICINA (Code Mc ) Page 5 e-EVN observation of a possibly imminent merger of SMBH binary 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 27 Feb 2022 Day 58 --- 23 44 00 J1430+2303 11 01 44 42.4 459.0 -3.5 -49.9 -7 978 No stop 23 48 30 --- 11 06 15 43.2 459.9 -3.4 -49.7 263 1013 23 44 01 23 49 20 P1427+2348 11 07 05 44.4 460.0 -3.3 -50.1 43 1013 23 49 20 23 50 50 --- 11 08 35 44.6 460.3 -3.3 -50.0 90 1024 23 49 21 23 50 50 J1430+2303 11 08 35 43.6 460.4 -3.4 -49.6 -7 1024 No stop 23 55 20 --- 11 13 06 44.4 461.4 -3.3 -49.4 263 1059 23 50 51 23 55 20 P1427+2348 11 13 06 45.4 461.3 -3.2 -49.8 -7 1059 No stop 23 56 50 --- 11 14 36 45.7 461.6 -3.2 -49.7 83 1070 23 55 21 --- Start: Sun 27 Feb 2022 Day 58 -- Stop: Mon 28 Feb 2022 Day 59 --- 23 56 50 J1430+2303 11 14 36 44.7 461.7 -3.3 -49.3 -7 1070 No stop 00 01 20 --- 11 19 07 45.4 462.6 -3.2 -49.1 263 1105 23 56 51 00 01 20 P1427+2348 11 19 07 46.5 462.5 -3.1 -49.5 -7 1105 No stop 00 02 50 --- 11 20 37 46.7 462.9 -3.1 -49.4 83 1117 00 01 21 00 03 30 J1430+2303 11 21 17 45.8 463.1 -3.2 -49.0 33 1117 00 03 30 00 06 30 --- 11 24 18 46.3 463.8 -3.1 -48.8 180 1140 00 03 31 00 06 30 P1427+2348 11 24 18 47.4 463.7 -3.1 -49.2 -7 1140 No stop 00 08 00 --- 11 25 48 47.6 464.0 -3.0 -49.1 83 1152 00 06 31 00 10 00 3C345 11 27 48 33.6 424.9 -5.3 -57.2 64 1152 00 10 00 00 15 00 --- 11 32 49 34.4 425.6 -5.2 -57.6 300 1190 00 10 01 00 16 30 P1427+2348 11 34 19 49.1 465.9 -2.9 -48.5 32 1190 00 16 30 00 18 00 --- 11 35 50 49.4 466.3 -2.9 -48.4 90 1202 00 16 31 00 18 00 J1430+2303 11 35 50 48.3 466.4 -2.9 -48.0 -7 1202 No stop 00 22 30 --- 11 40 20 49.1 467.4 -2.8 -47.6 263 1237 00 18 01 00 22 30 P1427+2348 11 40 20 50.1 467.4 -2.8 -48.0 -7 1237 No stop 00 24 00 --- 11 41 51 50.4 467.7 -2.8 -47.9 83 1248 00 22 31 00 24 00 J1430+2303 11 41 51 49.3 467.8 -2.8 -47.5 -7 1248 No stop 00 28 30 --- 11 46 21 50.1 468.9 -2.7 -47.1 263 1283 00 24 01 00 29 20 P1427+2348 11 47 12 51.3 469.0 -2.7 -47.4 43 1283 00 29 20 00 30 50 --- 11 48 42 51.6 469.4 -2.7 -47.3 90 1295 00 29 21 Schedule for MEDICINA (Code Mc ) Page 6 e-EVN observation of a possibly imminent merger of SMBH binary 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 28 Feb 2022 Day 59 --- 00 30 50 J1430+2303 11 48 42 50.5 469.4 -2.7 -46.9 -7 1295 No stop 00 35 20 --- 11 53 12 51.3 470.6 -2.6 -46.5 263 1329 00 30 51 00 35 20 P1427+2348 11 53 12 52.3 470.5 -2.6 -46.8 -7 1329 No stop 00 36 50 --- 11 54 43 52.6 470.9 -2.6 -46.7 83 1341 00 35 21 00 36 50 J1430+2303 11 54 43 51.5 471.0 -2.6 -46.3 -7 1341 No stop 00 41 20 --- 11 59 13 52.3 472.1 -2.5 -45.8 263 1376 00 36 51 00 41 20 P1427+2348 11 59 13 53.3 472.1 -2.5 -46.2 -7 1376 No stop 00 42 50 --- 12 00 44 53.6 472.5 -2.5 -46.0 83 1387 00 41 21 00 43 30 J1430+2303 12 01 24 52.6 472.7 -2.5 -45.6 33 1387 00 43 30 00 46 30 --- 12 04 24 53.1 473.5 -2.4 -45.2 180 1411 00 43 31 00 46 30 P1427+2348 12 04 24 54.2 473.5 -2.4 -45.6 -7 1411 No stop 00 48 00 --- 12 05 55 54.4 473.9 -2.4 -45.4 83 1422 00 46 31 00 48 00 J1430+2303 12 05 55 53.4 473.9 -2.4 -45.1 -7 1422 No stop 00 52 30 --- 12 10 25 54.1 475.2 -2.3 -44.5 263 1457 00 48 01 00 52 30 P1427+2348 12 10 25 55.1 475.2 -2.3 -44.8 -7 1457 No stop 00 54 00 --- 12 11 56 55.4 475.6 -2.3 -44.6 83 1469 00 52 31 00 54 00 J1430+2303 12 11 56 54.3 475.6 -2.3 -44.3 -7 1469 No stop 00 58 30 --- 12 16 26 55.1 476.9 -2.2 -43.7 263 1503 00 54 01 00 59 20 P1427+2348 12 17 16 56.2 477.2 -2.2 -43.8 43 1503 00 59 20 01 00 50 --- 12 18 47 56.5 477.6 -2.2 -43.6 90 1515 00 59 21 01 00 50 J1430+2303 12 18 47 55.4 477.6 -2.2 -43.4 -7 1515 No stop 01 05 20 --- 12 23 17 56.1 478.9 -2.1 -42.7 263 1550 01 00 51 01 05 20 P1427+2348 12 23 17 57.2 479.0 -2.1 -42.9 -7 1550 No stop 01 06 50 --- 12 24 48 57.4 479.5 -2.1 -42.7 83 1561 01 05 21 01 06 50 J1430+2303 12 24 48 56.4 479.4 -2.1 -42.4 -7 1561 No stop 01 11 20 --- 12 29 18 57.1 480.8 -2.0 -41.7 263 1596 01 06 51 01 11 20 P1427+2348 12 29 18 58.1 480.9 -2.0 -41.9 -7 1596 No stop 01 12 50 --- 12 30 49 58.3 481.4 -2.0 -41.7 83 1608 01 11 21 01 13 30 J1430+2303 12 31 29 57.4 481.5 -2.0 -41.3 33 1608 01 13 30 01 16 30 --- 12 34 29 57.8 482.4 -1.9 -40.8 180 1631 01 13 31 Schedule for MEDICINA (Code Mc ) Page 7 e-EVN observation of a possibly imminent merger of SMBH binary 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 28 Feb 2022 Day 59 --- 01 16 30 P1427+2348 12 34 29 58.9 482.6 -1.9 -41.0 -7 1631 No stop 01 18 00 --- 12 36 00 59.1 483.1 -1.9 -40.7 83 1642 01 16 31 01 18 00 J1430+2303 12 36 00 58.1 482.9 -1.9 -40.5 -7 1642 No stop 01 22 30 --- 12 40 30 58.7 484.4 -1.8 -39.7 263 1677 01 18 01 01 22 30 P1427+2348 12 40 30 59.8 484.7 -1.8 -39.8 -7 1677 No stop 01 24 00 --- 12 42 00 60.0 485.2 -1.8 -39.5 83 1689 01 22 31 01 24 00 J1430+2303 12 42 00 59.0 485.0 -1.8 -39.4 -7 1689 No stop 01 28 30 --- 12 46 31 59.6 486.5 -1.7 -38.5 263 1724 01 24 01 01 29 20 P1427+2348 12 47 21 60.8 487.1 -1.7 -38.4 43 1724 01 29 20 01 30 50 --- 12 48 52 61.0 487.7 -1.7 -38.1 90 1735 01 29 21 01 30 50 J1430+2303 12 48 52 59.9 487.4 -1.7 -38.0 -7 1735 No stop 01 35 20 --- 12 53 22 60.6 489.0 -1.6 -37.0 263 1770 01 30 51 01 35 20 P1427+2348 12 53 22 61.6 489.4 -1.6 -37.0 -7 1770 No stop 01 36 50 --- 12 54 53 61.8 490.0 -1.6 -36.6 83 1782 01 35 21 01 36 50 J1430+2303 12 54 53 60.8 489.6 -1.6 -36.6 -7 1782 No stop 01 41 20 --- 12 59 23 61.4 491.4 -1.5 -35.5 263 1816 01 36 51 01 41 20 P1427+2348 12 59 23 62.4 491.7 -1.5 -35.5 -7 1816 No stop 01 42 50 --- 13 00 54 62.6 492.3 -1.5 -35.1 83 1828 01 41 21 01 43 30 J1430+2303 13 01 34 61.7 492.2 -1.5 -35.0 33 1828 01 43 30 01 46 30 --- 13 04 34 62.1 493.4 -1.4 -34.2 180 1851 01 43 31 01 46 30 P1427+2348 13 04 34 63.1 493.9 -1.4 -34.2 -7 1851 No stop 01 48 00 --- 13 06 04 63.3 494.5 -1.4 -33.7 83 1863 01 46 31 01 48 00 J1430+2303 13 06 04 62.3 494.0 -1.4 -33.8 -7 1863 No stop 01 52 30 --- 13 10 35 62.8 495.9 -1.3 -32.6 263 1898 01 48 01 01 52 30 P1427+2348 13 10 35 63.9 496.4 -1.3 -32.4 -7 1898 No stop 01 54 00 --- 13 12 05 64.1 497.1 -1.3 -32.0 83 1909 01 52 31 01 54 00 J1430+2303 13 12 05 63.0 496.6 -1.3 -32.2 -7 1909 No stop 01 58 30 --- 13 16 36 63.6 498.5 -1.2 -30.8 263 1944 01 54 01 01 59 20 P1427+2348 13 17 26 64.7 499.5 -1.2 -30.4 43 1944 01 59 20 02 00 50 --- 13 18 57 64.9 500.2 -1.2 -29.9 90 1955 01 59 21 Schedule for MEDICINA (Code Mc ) Page 8 e-EVN observation of a possibly imminent merger of SMBH binary 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 28 Feb 2022 Day 59 --- 02 00 50 J1430+2303 13 18 57 63.8 499.6 -1.2 -30.1 -7 1955 No stop 02 05 20 --- 13 23 27 64.4 501.6 -1.1 -28.7 263 1990 02 00 51 02 05 20 P1427+2348 13 23 27 65.4 502.4 -1.1 -28.4 -7 1990 No stop 02 06 50 --- 13 24 58 65.5 503.1 -1.1 -27.9 83 2002 02 05 21 02 06 50 J1430+2303 13 24 58 64.5 502.4 -1.1 -28.2 -7 2002 No stop 02 11 20 --- 13 29 28 65.0 504.5 -1.0 -26.7 263 2037 02 06 51 02 11 20 P1427+2348 13 29 28 66.0 505.3 -1.0 -26.3 -7 2037 No stop 02 12 50 --- 13 30 59 66.1 506.1 -1.0 -25.7 83 2048 02 11 21 02 13 30 J1430+2303 13 31 39 65.2 505.6 -1.0 -26.0 33 2048 02 13 30 02 16 30 --- 13 34 39 65.5 507.1 -0.9 -24.9 180 2071 02 13 31 02 16 30 P1427+2348 13 34 39 66.5 508.0 -0.9 -24.4 -7 2071 No stop 02 18 00 --- 13 36 09 66.6 508.8 -0.9 -23.8 83 2083 02 16 31 02 18 00 J1430+2303 13 36 09 65.7 507.8 -0.9 -24.3 -7 2083 No stop 02 22 30 --- 13 40 40 66.1 510.2 -0.8 -22.7 263 2118 02 18 01 02 22 30 P1427+2348 13 40 40 67.0 511.2 -0.8 -22.0 -7 2118 No stop 02 24 00 --- 13 42 10 67.2 512.0 -0.8 -21.4 83 2129 02 22 31 02 24 00 J1430+2303 13 42 10 66.2 511.0 -0.8 -22.1 -7 2129 No stop 02 28 30 --- 13 46 41 66.6 513.4 -0.7 -20.3 263 2164 02 24 01 02 29 20 P1427+2348 13 47 31 67.6 515.0 -0.7 -19.2 43 2164 02 29 20 02 30 50 --- 13 49 01 67.7 515.9 -0.6 -18.6 90 2176 02 29 21 02 30 50 J1430+2303 13 49 01 66.8 514.7 -0.7 -19.4 -6 2176 No stop 02 35 20 --- 13 53 32 67.1 517.2 -0.6 -17.5 264 2211 02 30 51 02 35 20 P1427+2348 13 53 32 68.0 518.5 -0.6 -16.6 -6 2211 No stop 02 36 50 --- 13 55 02 68.1 519.4 -0.5 -15.9 84 2222 02 35 21 02 36 50 J1430+2303 13 55 02 67.2 518.0 -0.6 -16.8 -6 2222 No stop 02 41 20 --- 13 59 33 67.5 520.6 -0.5 -14.9 264 2257 02 36 51 02 41 20 P1427+2348 13 59 33 68.4 522.1 -0.5 -13.9 -6 2257 No stop 02 42 50 --- 14 01 03 68.5 523.0 -0.4 -13.2 84 2269 02 41 21 02 43 30 J1430+2303 14 01 44 67.6 521.9 -0.5 -13.9 34 2269 02 43 30 02 46 30 --- 14 04 44 67.8 523.7 -0.4 -12.6 180 2292 02 43 31 Schedule for MEDICINA (Code Mc ) Page 9 e-EVN observation of a possibly imminent merger of SMBH binary 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 28 Feb 2022 Day 59 --- 02 46 30 P1427+2348 14 04 44 68.6 525.2 -0.4 -11.5 -6 2292 No stop 02 48 00 --- 14 06 14 68.7 526.2 -0.4 -10.7 84 2303 02 46 31 02 48 00 J1430+2303 14 06 14 67.8 524.6 -0.4 -11.9 -6 2303 No stop 02 52 30 --- 14 10 45 68.0 527.3 -0.3 -9.8 264 2338 02 48 01 02 52 30 P1427+2348 14 10 45 68.9 529.0 -0.3 -8.6 -6 2338 No stop 02 54 00 --- 14 12 15 68.9 529.9 -0.3 -7.8 84 2350 02 52 31 02 55 00 3C345 14 13 15 62.0 446.4 -2.5 -67.8 -55 2350 02 55 00 03 00 00 --- 14 18 16 62.9 447.2 -2.4 -67.9 245 2388 02 55 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess122.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: 11 Station: MEDICINA 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= 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 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: 2 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= 331.49 331.49 331.49 331.49 395.49 395.49 395.49 395.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 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) * J1430+2303 14 27 59.601806 * 14 30 16.055000 14 31 16.596793 0.00 23 17 02.67583 * 23 03 45.47000 22 57 41.15066 0.00 From catalog imbedded in main SCHED input file. from FIRST survey, ~ 1 mJy * P1427+2348 14 24 44.222647 * 14 27 00.391800 14 28 00.833226 0.00 24 01 25.78988 * 23 48 00.03800 23 41 51.89033 0.00 From catalog imbedded in main SCHED input file. 1.05 deg, S-K >100 mJy * 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 26.794070 0.31 J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 35.74524 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 observations. * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 43.111234 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 45 49.57111 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 J1430+2303 sess122.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 3.575 324.895 P1427+2348 sess122.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 1.325 101.966 4C39.25 sess122.L1024 1 2 3 4 5 7 8 9 10 13 14 15 0.083 7.583 3C345 sess122.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.167 12.338 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) J1430+2303 123.6 P1427+2348 124.2 4C39.25 144.8 3C345 95.2 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