COVER INFORMATION Station: MEDICINA (Code Mc ) Experiment: Confirming the first detection of a merging dual SMBH system at high-z Exp. Code: gs044a Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Cristiana Spingola Address: University of Bologna - INAF-IRA via Gobetti 101 40129 Bologna Italy Phone: +39 3938231373 EMAIL: spingola@ira.inaf.it Fax: Phone during observation: Observing mode: Notes: v2: T6 IF C->B, BBC 9-12 -> 5-8 Ar confirms BBC tunings for their RDBE COVER LETTER: Schedule for MEDICINA (Code Mc ) Page 2 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- Next scan frequencies: 4892.25 4892.25 4892.25 4892.25 4956.25 4956.25 4956.25 4956.25 Next BBC frequencies: 292.25 292.25 292.25 292.25 356.25 356.25 356.25 356.25 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 13 44 30 3C345 16 49 41 85.1 553.9 0.1 12.8 0 0 13 44 30 13 49 30 --- 16 54 42 84.8 564.4 0.2 22.5 300 39 13 44 31 13 53 00 J2018+0831 16 58 12 33.8 473.9 -3.3 -41.2 85 39 13 53 00 13 54 00 --- 16 59 12 33.9 474.1 -3.3 -41.2 60 46 13 53 01 13 54 00 MG2016 16 59 12 35.9 471.5 -3.4 -42.6 -9 46 No stop 13 57 30 --- 17 02 43 36.5 472.3 -3.3 -42.3 201 73 13 54 01 13 57 30 J2018+0831 17 02 43 34.5 474.9 -3.3 -40.8 -9 73 No stop 13 59 00 --- 17 04 13 34.7 475.3 -3.2 -40.7 81 85 13 57 31 13 59 00 MG2016 17 04 13 36.8 472.6 -3.3 -42.2 -9 85 No stop 14 02 30 --- 17 07 44 37.3 473.4 -3.2 -41.9 201 112 13 59 01 14 03 10 J2018+0831 17 08 24 35.4 476.2 -3.2 -40.3 31 112 14 03 10 14 04 10 --- 17 09 24 35.6 476.5 -3.2 -40.2 60 120 14 03 11 14 04 10 MG2016 17 09 24 37.6 473.8 -3.2 -41.7 -9 120 No stop 14 07 40 --- 17 12 55 38.2 474.6 -3.1 -41.4 201 147 14 04 11 14 07 40 J2018+0831 17 12 55 36.1 477.3 -3.1 -39.9 -9 147 No stop 14 09 10 --- 17 14 25 36.4 477.6 -3.1 -39.7 81 158 14 07 41 14 09 10 MG2016 17 14 25 38.4 475.0 -3.1 -41.3 -9 158 No stop 14 12 40 --- 17 17 55 39.0 475.8 -3.0 -40.9 201 185 14 09 11 14 13 20 J2018+0831 17 18 35 37.0 478.6 -3.0 -39.3 31 185 14 13 20 14 14 20 --- 17 19 36 37.2 478.9 -3.0 -39.2 60 193 14 13 21 14 14 20 MG2016 17 19 36 39.2 476.2 -3.0 -40.8 -9 193 No stop 14 17 50 --- 17 23 06 39.8 477.1 -3.0 -40.4 201 220 14 14 21 14 17 50 J2018+0831 17 23 06 37.7 479.7 -2.9 -38.8 -9 220 No stop 14 19 20 --- 17 24 36 38.0 480.1 -2.9 -38.6 81 232 14 17 51 14 19 20 MG2016 17 24 36 40.0 477.4 -2.9 -40.2 -9 232 No stop 14 22 50 --- 17 28 07 40.6 478.3 -2.9 -39.8 201 259 14 19 21 14 23 30 J2018+0831 17 28 47 38.6 481.1 -2.8 -38.1 31 259 14 23 30 14 24 30 --- 17 29 47 38.8 481.4 -2.8 -38.0 60 267 14 23 31 Schedule for MEDICINA (Code Mc ) Page 3 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 14 24 30 MG2016 17 29 47 40.9 478.7 -2.8 -39.7 -9 267 No stop 14 28 00 --- 17 33 18 41.4 479.6 -2.8 -39.3 201 294 14 24 31 14 28 00 J2018+0831 17 33 18 39.3 482.2 -2.8 -37.6 -9 294 No stop 14 29 30 --- 17 34 48 39.5 482.6 -2.7 -37.4 81 305 14 28 01 14 29 30 MG2016 17 34 48 41.6 480.0 -2.8 -39.1 -9 305 No stop 14 33 00 --- 17 38 19 42.2 480.9 -2.7 -38.7 201 332 14 29 31 14 33 40 J2018+0831 17 38 59 40.1 483.7 -2.7 -36.9 31 332 14 33 40 14 34 40 --- 17 39 59 40.3 484.0 -2.7 -36.7 60 340 14 33 41 14 34 40 MG2016 17 39 59 42.4 481.3 -2.7 -38.4 -9 340 No stop 14 38 10 --- 17 43 30 43.0 482.2 -2.6 -38.0 201 367 14 34 41 14 38 10 J2018+0831 17 43 30 40.8 484.9 -2.6 -36.3 -9 367 No stop 14 39 40 --- 17 45 00 41.0 485.3 -2.6 -36.1 81 379 14 38 11 14 39 40 MG2016 17 45 00 43.2 482.6 -2.6 -37.8 -9 379 No stop 14 43 10 --- 17 48 30 43.7 483.6 -2.5 -37.3 201 406 14 39 41 14 43 50 J2018+0831 17 49 10 41.6 486.4 -2.5 -35.5 31 406 14 43 50 14 44 50 --- 17 50 11 41.8 486.7 -2.5 -35.3 60 414 14 43 51 14 44 50 MG2016 17 50 11 44.0 484.0 -2.5 -37.1 -9 414 No stop 14 48 20 --- 17 53 41 44.5 485.0 -2.4 -36.6 201 441 14 44 51 14 48 20 J2018+0831 17 53 41 42.3 487.6 -2.4 -34.8 -9 441 No stop 14 49 50 --- 17 55 11 42.5 488.0 -2.4 -34.6 81 452 14 48 21 14 49 50 MG2016 17 55 11 44.7 485.4 -2.4 -36.4 -9 452 No stop 14 53 20 --- 17 58 42 45.2 486.4 -2.4 -35.9 201 479 14 49 51 14 54 00 J2018+0831 17 59 22 43.1 489.2 -2.3 -34.0 31 479 14 54 00 14 55 00 --- 18 00 22 43.2 489.5 -2.3 -33.8 60 487 14 54 01 14 55 00 MG2016 18 00 22 45.4 486.8 -2.3 -35.6 -9 487 No stop 14 58 30 --- 18 03 53 45.9 487.8 -2.3 -35.1 201 514 14 55 01 14 58 30 J2018+0831 18 03 53 43.7 490.5 -2.3 -33.3 -9 514 No stop 15 00 00 --- 18 05 23 43.9 490.9 -2.2 -33.0 81 526 14 58 31 15 00 00 MG2016 18 05 23 46.2 488.3 -2.2 -34.8 -9 526 No stop 15 03 30 --- 18 08 54 46.6 489.3 -2.2 -34.3 201 553 15 00 01 Schedule for MEDICINA (Code Mc ) Page 4 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 15 04 10 J2018+0831 18 09 34 44.4 492.1 -2.2 -32.3 31 553 15 04 10 15 05 10 --- 18 10 34 44.6 492.4 -2.1 -32.2 60 560 15 04 11 15 05 10 MG2016 18 10 34 46.9 489.8 -2.2 -34.0 -9 560 No stop 15 08 40 --- 18 14 05 47.3 490.9 -2.1 -33.4 201 587 15 05 11 15 08 40 J2018+0831 18 14 05 45.0 493.4 -2.1 -31.6 -9 587 No stop 15 10 10 --- 18 15 35 45.2 493.9 -2.1 -31.3 81 599 15 08 41 15 10 10 MG2016 18 15 35 47.5 491.3 -2.1 -33.1 -9 599 No stop 15 13 40 --- 18 19 05 48.0 492.4 -2.0 -32.5 201 626 15 10 11 15 14 20 J2018+0831 18 19 45 45.8 495.2 -2.0 -30.6 31 626 15 14 20 15 15 20 --- 18 20 46 45.9 495.5 -2.0 -30.4 60 634 15 14 21 15 15 20 MG2016 18 20 46 48.2 492.9 -2.0 -32.2 -9 634 No stop 15 18 50 --- 18 24 16 48.7 494.0 -1.9 -31.6 201 661 15 15 21 15 18 50 J2018+0831 18 24 16 46.3 496.5 -1.9 -29.7 -9 661 No stop 15 20 20 --- 18 25 46 46.5 497.0 -1.9 -29.4 81 672 15 18 51 15 20 20 MG2016 18 25 46 48.9 494.5 -1.9 -31.3 -9 672 No stop 15 23 50 --- 18 29 17 49.3 495.6 -1.8 -30.6 201 699 15 20 21 15 24 30 J2018+0831 18 29 57 47.0 498.3 -1.8 -28.6 31 699 15 24 30 15 25 30 --- 18 30 57 47.1 498.7 -1.8 -28.4 60 707 15 24 31 15 25 30 MG2016 18 30 57 49.5 496.1 -1.8 -30.3 -9 707 No stop 15 29 00 --- 18 34 28 50.0 497.3 -1.8 -29.6 201 734 15 25 31 15 29 00 J2018+0831 18 34 28 47.5 499.8 -1.7 -27.7 -9 734 No stop 15 30 30 --- 18 35 58 47.7 500.3 -1.7 -27.4 81 746 15 29 01 15 30 30 MG2016 18 35 58 50.1 497.8 -1.7 -29.3 -10 746 No stop 15 34 00 --- 18 39 29 50.6 499.0 -1.7 -28.5 200 773 15 30 31 15 34 40 J2018+0831 18 40 09 48.2 501.6 -1.6 -26.6 30 773 15 34 40 15 35 40 --- 18 41 09 48.3 502.0 -1.6 -26.4 60 781 15 34 41 15 35 40 MG2016 18 41 09 50.7 499.5 -1.7 -28.2 -10 781 No stop 15 39 10 --- 18 44 40 51.2 500.8 -1.6 -27.4 200 808 15 35 41 15 39 10 J2018+0831 18 44 40 48.7 503.2 -1.6 -25.6 -10 808 No stop 15 40 40 --- 18 46 10 48.8 503.7 -1.5 -25.3 80 819 15 39 11 Schedule for MEDICINA (Code Mc ) Page 5 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 15 40 40 MG2016 18 46 10 51.3 501.3 -1.6 -27.1 -10 819 No stop 15 44 10 --- 18 49 40 51.7 502.5 -1.5 -26.3 200 846 15 40 41 15 44 50 J2018+0831 18 50 21 49.2 505.1 -1.5 -24.4 30 846 15 44 50 15 45 50 --- 18 51 21 49.4 505.4 -1.5 -24.1 60 854 15 44 51 15 45 50 MG2016 18 51 21 51.9 503.1 -1.5 -25.9 -10 854 No stop 15 49 20 --- 18 54 51 52.3 504.4 -1.4 -25.1 200 881 15 45 51 15 49 20 J2018+0831 18 54 51 49.7 506.7 -1.4 -23.3 -10 881 No stop 15 50 50 --- 18 56 21 49.8 507.2 -1.4 -23.0 80 893 15 49 21 15 50 50 MG2016 18 56 21 52.4 504.9 -1.4 -24.7 -10 893 No stop 15 54 20 --- 18 59 52 52.8 506.2 -1.3 -23.9 200 920 15 50 51 15 55 00 J2018+0831 19 00 32 50.2 508.7 -1.3 -22.0 30 920 15 55 00 15 56 00 --- 19 01 32 50.3 509.0 -1.3 -21.8 60 927 15 55 01 15 56 00 MG2016 19 01 32 52.9 506.8 -1.3 -23.5 -10 927 No stop 15 59 30 --- 19 05 03 53.3 508.1 -1.3 -22.6 200 955 15 56 01 15 59 30 J2018+0831 19 05 03 50.6 510.3 -1.2 -20.9 -10 955 No stop 16 01 00 --- 19 06 33 50.8 510.9 -1.2 -20.6 80 966 15 59 31 16 01 00 MG2016 19 06 33 53.4 508.7 -1.2 -22.2 -10 966 No stop 16 04 30 --- 19 10 04 53.7 510.1 -1.2 -21.3 200 993 16 01 01 16 05 10 J2018+0831 19 10 44 51.1 512.4 -1.1 -19.5 30 993 16 05 10 16 06 10 --- 19 11 44 51.2 512.8 -1.1 -19.3 60 1001 16 05 11 16 06 10 MG2016 19 11 44 53.9 510.7 -1.1 -20.9 -10 1001 No stop 16 09 40 --- 19 15 15 54.2 512.1 -1.1 -19.9 200 1028 16 06 11 16 09 40 J2018+0831 19 15 15 51.5 514.1 -1.1 -18.4 -10 1028 No stop 16 11 10 --- 19 16 45 51.6 514.7 -1.0 -18.0 80 1040 16 09 41 16 11 10 MG2016 19 16 45 54.3 512.7 -1.1 -19.5 -10 1040 No stop 16 14 40 --- 19 20 15 54.6 514.1 -1.0 -18.6 200 1067 16 11 11 16 15 20 J2018+0831 19 20 56 51.9 516.2 -1.0 -16.9 30 1067 16 15 20 16 16 20 --- 19 21 56 52.0 516.6 -1.0 -16.6 60 1074 16 15 21 16 16 20 MG2016 19 21 56 54.7 514.7 -1.0 -18.1 -10 1074 No stop 16 19 50 --- 19 25 26 55.0 516.2 -0.9 -17.1 200 1101 16 16 21 Schedule for MEDICINA (Code Mc ) Page 6 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 16 19 50 J2018+0831 19 25 26 52.2 518.0 -0.9 -15.7 -10 1101 No stop 16 21 20 --- 19 26 57 52.3 518.6 -0.9 -15.3 80 1113 16 19 51 16 21 20 MG2016 19 26 57 55.1 516.8 -0.9 -16.7 -10 1113 No stop 16 24 50 --- 19 30 27 55.3 518.2 -0.8 -15.7 200 1140 16 21 21 16 25 30 J2018+0831 19 31 07 52.6 520.2 -0.8 -14.1 30 1140 16 25 30 16 26 30 --- 19 32 07 52.7 520.6 -0.8 -13.9 60 1148 16 25 31 16 26 30 MG2016 19 32 07 55.4 518.9 -0.8 -15.2 -10 1148 No stop 16 30 00 --- 19 35 38 55.6 520.4 -0.7 -14.1 200 1175 16 26 31 16 30 00 J2018+0831 19 35 38 52.9 522.0 -0.7 -12.9 -10 1175 No stop 16 31 30 --- 19 37 08 52.9 522.6 -0.7 -12.4 80 1186 16 30 01 16 31 30 MG2016 19 37 08 55.7 521.0 -0.7 -13.7 -10 1186 No stop 16 35 00 --- 19 40 39 55.9 522.5 -0.7 -12.6 200 1213 16 31 31 16 35 40 J2018+0831 19 41 19 53.2 524.3 -0.6 -11.3 30 1213 16 35 40 16 36 40 --- 19 42 19 53.2 524.7 -0.6 -11.0 60 1221 16 35 41 16 36 40 MG2016 19 42 19 56.0 523.2 -0.6 -12.1 -10 1221 No stop 16 40 10 --- 19 45 50 56.2 524.7 -0.6 -11.0 200 1248 16 36 41 16 40 10 J2018+0831 19 45 50 53.4 526.1 -0.6 -10.0 -10 1248 No stop 16 41 40 --- 19 47 20 53.4 526.7 -0.5 -9.5 80 1260 16 40 11 16 41 40 MG2016 19 47 20 56.3 525.4 -0.5 -10.6 -10 1260 No stop 16 45 10 --- 19 50 50 56.4 526.9 -0.5 -9.5 200 1287 16 41 41 16 45 50 J2018+0831 19 51 31 53.6 528.4 -0.5 -8.3 30 1287 16 45 50 16 46 50 --- 19 52 31 53.6 528.9 -0.4 -8.0 60 1295 16 45 51 16 46 50 MG2016 19 52 31 56.5 527.6 -0.5 -9.0 -10 1295 No stop 16 50 20 --- 19 56 01 56.6 529.2 -0.4 -7.8 200 1322 16 46 51 16 50 20 J2018+0831 19 56 01 53.7 530.3 -0.4 -7.0 -10 1322 No stop 16 51 50 --- 19 57 32 53.8 530.9 -0.4 -6.5 80 1333 16 50 21 16 51 50 MG2016 19 57 32 56.6 529.9 -0.4 -7.4 -10 1333 No stop 16 55 20 --- 20 01 02 56.7 531.4 -0.3 -6.2 200 1360 16 51 51 16 56 00 J2018+0831 20 01 42 53.9 532.7 -0.3 -5.3 30 1360 16 56 00 16 57 00 --- 20 02 42 53.9 533.1 -0.3 -5.0 60 1368 16 56 01 Schedule for MEDICINA (Code Mc ) Page 7 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 16 57 00 MG2016 20 02 42 56.8 532.1 -0.3 -5.7 -10 1368 No stop 17 00 30 --- 20 06 13 56.9 533.7 -0.2 -4.6 200 1395 16 57 01 17 00 30 J2018+0831 20 06 13 54.0 534.6 -0.2 -3.9 -10 1395 No stop 17 02 00 --- 20 07 43 54.0 535.2 -0.2 -3.5 80 1407 17 00 31 17 02 00 MG2016 20 07 43 56.9 534.4 -0.2 -4.1 -10 1407 No stop 17 05 30 --- 20 11 14 56.9 536.0 -0.1 -2.9 200 1434 17 02 01 17 06 10 J2018+0831 20 11 54 54.0 537.0 -0.1 -2.2 30 1434 17 06 10 17 07 10 --- 20 12 54 54.1 537.4 -0.1 -1.9 60 1441 17 06 11 17 07 10 MG2016 20 12 54 57.0 536.7 -0.1 -2.4 -10 1441 No stop 17 10 40 --- 20 16 25 57.0 538.3 -0.1 -1.2 200 1469 17 07 11 17 10 40 J2018+0831 20 16 25 54.1 538.9 -0.0 -0.8 -10 1469 No stop 17 12 10 --- 20 17 55 54.1 539.5 -0.0 -0.4 80 1480 17 10 41 17 12 10 MG2016 20 17 55 57.0 539.0 -0.0 -0.8 -10 1480 No stop 17 15 40 --- 20 21 25 57.0 540.5 0.0 0.4 200 1507 17 12 11 17 16 20 J2018+0831 20 22 06 54.1 541.2 0.0 0.9 30 1507 17 16 20 17 17 20 --- 20 23 06 54.1 541.7 0.1 1.2 60 1515 17 16 21 17 17 20 MG2016 20 23 06 57.0 541.3 0.0 0.9 -10 1515 No stop 17 20 50 --- 20 26 36 57.0 542.9 0.1 2.1 200 1542 17 17 21 17 20 50 J2018+0831 20 26 36 54.0 543.1 0.1 2.3 -10 1542 No stop 17 22 20 --- 20 28 07 54.0 543.8 0.1 2.7 80 1554 17 20 51 17 22 20 MG2016 20 28 07 57.0 543.5 0.1 2.6 -10 1554 No stop 17 25 50 --- 20 31 37 56.9 545.1 0.2 3.7 200 1581 17 22 21 17 26 30 J2018+0831 20 32 17 54.0 545.5 0.2 4.0 30 1581 17 26 30 17 27 30 --- 20 33 17 53.9 546.0 0.2 4.3 60 1588 17 26 31 17 27 30 MG2016 20 33 17 56.9 545.9 0.2 4.3 -10 1588 No stop 17 31 00 --- 20 36 48 56.8 547.4 0.3 5.4 200 1615 17 27 31 17 31 00 J2018+0831 20 36 48 53.9 547.4 0.3 5.3 -10 1615 No stop 17 32 30 --- 20 38 18 53.8 548.0 0.3 5.8 80 1627 17 31 01 17 32 30 MG2016 20 38 18 56.8 548.1 0.3 5.9 -10 1627 No stop 17 36 00 --- 20 41 49 56.7 549.7 0.4 7.0 200 1654 17 32 31 Schedule for MEDICINA (Code Mc ) Page 8 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 17 36 40 J2018+0831 20 42 29 53.7 549.8 0.4 7.0 30 1654 17 36 40 17 37 40 --- 20 43 29 53.7 550.2 0.4 7.3 60 1662 17 36 41 17 37 40 MG2016 20 43 29 56.6 550.4 0.4 7.5 -10 1662 No stop 17 41 10 --- 20 47 00 56.5 551.9 0.4 8.7 200 1689 17 37 41 17 41 10 J2018+0831 20 47 00 53.6 551.6 0.5 8.4 -10 1689 No stop 17 42 40 --- 20 48 30 53.5 552.3 0.5 8.8 80 1700 17 41 11 17 42 40 MG2016 20 48 30 56.4 552.6 0.5 9.1 -10 1700 No stop 17 46 10 --- 20 52 00 56.3 554.1 0.5 10.2 200 1727 17 42 41 17 46 50 J2018+0831 20 52 41 53.3 554.0 0.6 10.0 30 1727 17 46 50 17 47 50 --- 20 53 41 53.3 554.4 0.6 10.3 60 1735 17 46 51 17 47 50 MG2016 20 53 41 56.2 554.9 0.6 10.8 -10 1735 No stop 17 51 20 --- 20 57 11 56.1 556.4 0.6 11.8 200 1762 17 47 51 17 51 20 J2018+0831 20 57 11 53.1 555.8 0.6 11.3 -10 1762 No stop 17 52 50 --- 20 58 42 53.1 556.4 0.7 11.8 80 1774 17 51 21 17 52 50 MG2016 20 58 42 56.0 557.0 0.6 12.3 -10 1774 No stop 17 56 20 --- 21 02 12 55.8 558.5 0.7 13.4 200 1801 17 52 51 17 57 00 J2018+0831 21 02 52 52.8 558.1 0.7 12.9 30 1801 17 57 00 17 58 00 --- 21 03 52 52.8 558.5 0.7 13.2 60 1809 17 57 01 17 58 00 MG2016 21 03 52 55.7 559.2 0.7 13.9 -10 1809 No stop 18 01 30 --- 21 07 23 55.5 560.7 0.8 14.9 200 1836 17 58 01 18 01 30 J2018+0831 21 07 23 52.6 559.9 0.8 14.2 -10 1836 No stop 18 03 00 --- 21 08 53 52.5 560.5 0.8 14.6 80 1847 18 01 31 18 03 00 MG2016 21 08 53 55.4 561.3 0.8 15.3 -10 1847 No stop 18 06 30 --- 21 12 24 55.1 562.8 0.9 16.4 200 1874 18 03 01 18 07 10 J2018+0831 21 13 04 52.2 562.1 0.9 15.7 30 1874 18 07 10 18 08 10 --- 21 14 04 52.2 562.5 0.9 16.0 60 1882 18 07 11 18 08 10 MG2016 21 14 04 55.0 563.5 0.9 16.8 -10 1882 No stop 18 11 40 --- 21 17 35 54.8 564.9 1.0 17.8 200 1909 18 08 11 18 11 40 J2018+0831 21 17 35 51.9 563.8 1.0 16.9 -10 1909 No stop 18 13 10 --- 21 19 05 51.8 564.4 1.0 17.3 80 1921 18 11 41 Schedule for MEDICINA (Code Mc ) Page 9 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 18 13 10 MG2016 21 19 05 54.7 565.5 1.0 18.2 -10 1921 No stop 18 16 40 --- 21 22 35 54.4 566.9 1.0 19.2 200 1948 18 13 11 18 17 20 J2018+0831 21 23 16 51.5 566.0 1.1 18.4 30 1948 18 17 20 18 18 20 --- 21 24 16 51.4 566.4 1.1 18.7 60 1955 18 17 21 18 18 20 MG2016 21 24 16 54.2 567.5 1.1 19.7 -10 1955 No stop 18 21 50 --- 21 27 46 54.0 568.9 1.1 20.6 200 1983 18 18 21 18 21 50 J2018+0831 21 27 46 51.1 567.7 1.1 19.6 -10 1983 No stop 18 23 20 --- 21 29 17 51.0 568.2 1.2 20.0 80 1994 18 21 51 18 23 20 MG2016 21 29 17 53.8 569.5 1.2 21.0 -10 1994 No stop 18 26 50 --- 21 32 47 53.5 570.9 1.2 21.9 200 2021 18 23 21 18 27 30 J2018+0831 21 33 27 50.6 569.8 1.2 21.0 30 2021 18 27 30 18 28 30 --- 21 34 27 50.5 570.1 1.3 21.2 60 2029 18 27 31 18 28 30 MG2016 21 34 27 53.4 571.5 1.2 22.3 -10 2029 No stop 18 32 00 --- 21 37 58 53.0 572.8 1.3 23.2 200 2056 18 28 31 18 32 00 J2018+0831 21 37 58 50.2 571.4 1.3 22.1 -10 2056 No stop 18 33 30 --- 21 39 28 50.1 571.9 1.3 22.4 80 2068 18 32 01 18 33 30 MG2016 21 39 28 52.9 573.4 1.3 23.6 -10 2068 No stop 18 37 00 --- 21 42 59 52.5 574.7 1.4 24.5 200 2095 18 33 31 18 37 40 J2018+0831 21 43 39 49.7 573.4 1.4 23.4 30 2095 18 37 40 18 38 40 --- 21 44 39 49.6 573.8 1.4 23.6 60 2102 18 37 41 18 38 40 MG2016 21 44 39 52.4 575.3 1.4 24.9 -10 2102 No stop 18 42 10 --- 21 48 10 52.0 576.6 1.5 25.7 200 2129 18 38 41 18 42 10 J2018+0831 21 48 10 49.2 575.0 1.5 24.4 -10 2129 No stop 18 43 40 --- 21 49 40 49.1 575.5 1.5 24.8 80 2141 18 42 11 18 43 40 MG2016 21 49 40 51.8 577.1 1.5 26.0 -10 2141 No stop 18 47 10 --- 21 53 10 51.4 578.3 1.5 26.8 200 2168 18 43 41 18 47 50 J2018+0831 21 53 51 48.6 576.9 1.6 25.7 30 2168 18 47 50 18 48 50 --- 21 54 51 48.5 577.3 1.6 25.9 60 2176 18 47 51 18 48 50 MG2016 21 54 51 51.3 578.9 1.6 27.2 -10 2176 No stop 18 52 20 --- 21 58 21 50.9 580.1 1.6 28.0 200 2203 18 48 51 Schedule for MEDICINA (Code Mc ) Page 10 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 18 52 20 J2018+0831 21 58 21 48.1 578.4 1.7 26.6 -10 2203 No stop 18 53 50 --- 21 59 52 48.0 578.9 1.7 26.9 80 2214 18 52 21 18 53 50 MG2016 21 59 52 50.7 580.6 1.7 28.3 -10 2214 No stop 18 57 20 --- 22 03 22 50.3 581.8 1.7 29.0 200 2241 18 53 51 18 58 00 J2018+0831 22 04 02 47.5 580.3 1.7 27.8 30 2241 18 58 00 18 59 00 --- 22 05 02 47.4 580.6 1.8 28.0 60 2249 18 58 01 18 59 00 MG2016 22 05 02 50.1 582.4 1.7 29.4 -10 2249 No stop 19 02 30 --- 22 08 33 49.6 583.5 1.8 30.1 200 2276 18 59 01 19 02 30 J2018+0831 22 08 33 47.0 581.7 1.8 28.7 -10 2276 No stop 19 04 00 --- 22 10 03 46.8 582.2 1.8 29.0 80 2288 19 02 31 19 04 00 MG2016 22 10 03 49.5 584.0 1.8 30.4 -10 2288 No stop 19 07 30 --- 22 13 34 49.0 585.2 1.9 31.1 200 2315 19 04 01 19 08 10 J2018+0831 22 14 14 46.3 583.5 1.9 29.8 30 2315 19 08 10 19 09 10 --- 22 15 14 46.2 583.8 1.9 30.0 60 2323 19 08 11 19 09 10 MG2016 22 15 14 48.8 585.7 1.9 31.4 -10 2323 No stop 19 12 40 --- 22 18 45 48.4 586.8 2.0 32.0 200 2350 19 09 11 19 12 40 J2018+0831 22 18 45 45.7 584.9 2.0 30.6 -10 2350 No stop 19 14 10 --- 22 20 15 45.5 585.4 2.0 30.9 80 2361 19 12 41 19 14 10 MG2016 22 20 15 48.2 587.3 2.0 32.3 -10 2361 No stop 19 17 40 --- 22 23 45 47.7 588.4 2.1 32.9 200 2388 19 14 11 19 18 20 J2018+0831 22 24 26 45.0 586.6 2.1 31.6 30 2388 19 18 20 19 19 20 --- 22 25 26 44.9 586.9 2.1 31.8 60 2396 19 18 21 19 19 20 MG2016 22 25 26 47.5 588.9 2.1 33.2 -10 2396 No stop 19 22 50 --- 22 28 56 47.0 589.9 2.1 33.8 200 2423 19 19 21 19 22 50 J2018+0831 22 28 56 44.4 588.0 2.2 32.4 -10 2423 No stop 19 24 20 --- 22 30 27 44.2 588.4 2.2 32.6 80 2435 19 22 51 19 24 20 MG2016 22 30 27 46.8 590.4 2.2 34.1 -10 2435 No stop 19 27 50 --- 22 33 57 46.3 591.4 2.2 34.7 200 2462 19 24 21 19 28 30 J2018+0831 22 34 37 43.6 589.6 2.3 33.3 30 2462 19 28 30 19 29 30 --- 22 35 37 43.5 589.9 2.3 33.5 60 2469 19 28 31 Schedule for MEDICINA (Code Mc ) Page 11 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 19 36 10 MG2016 22 42 19 45.1 593.8 2.4 36.0 390 2469 19 36 10 19 39 40 --- 22 45 49 44.6 594.8 2.4 36.5 210 2497 19 36 11 19 39 40 J2018+0831 22 45 49 42.1 592.7 2.4 35.0 -10 2497 No stop 19 41 10 --- 22 47 19 41.9 593.1 2.5 35.2 80 2508 19 39 41 19 41 10 MG2016 22 47 19 44.4 595.2 2.5 36.7 -10 2508 No stop 19 44 40 --- 22 50 50 43.9 596.1 2.5 37.2 200 2535 19 41 11 19 45 20 J2018+0831 22 51 30 41.3 594.3 2.5 35.8 30 2535 19 45 20 19 46 20 --- 22 52 30 41.1 594.5 2.6 36.0 60 2543 19 45 21 19 46 20 MG2016 22 52 30 43.6 596.6 2.5 37.4 -10 2543 No stop 19 49 50 --- 22 56 01 43.1 597.5 2.6 37.9 200 2570 19 46 21 19 49 50 J2018+0831 22 56 01 40.6 595.4 2.6 36.4 -10 2570 No stop 19 51 20 --- 22 57 31 40.4 595.8 2.6 36.6 80 2582 19 49 51 19 51 20 MG2016 22 57 31 42.9 597.9 2.6 38.1 -10 2582 No stop 19 54 50 --- 23 01 02 42.3 598.8 2.7 38.5 200 2609 19 51 21 19 55 30 J2018+0831 23 01 42 39.8 596.9 2.7 37.2 30 2609 19 55 30 19 56 30 --- 23 02 42 39.6 597.2 2.7 37.3 60 2616 19 55 31 19 56 30 MG2016 23 02 42 42.1 599.3 2.7 38.7 -10 2616 No stop 20 00 00 --- 23 06 12 41.6 600.2 2.8 39.1 200 2643 19 56 31 20 00 00 J2018+0831 23 06 12 39.1 598.1 2.8 37.7 -10 2643 No stop 20 01 30 --- 23 07 43 38.9 598.4 2.8 37.9 80 2655 20 00 01 20 01 30 MG2016 23 07 43 41.3 600.6 2.8 39.3 -9 2655 No stop 20 05 00 --- 23 11 13 40.8 601.4 2.8 39.7 201 2682 20 01 31 20 05 40 J2018+0831 23 11 53 38.2 599.5 2.9 38.4 30 2682 20 05 40 20 06 40 --- 23 12 54 38.1 599.7 2.9 38.5 60 2690 20 05 41 20 06 40 MG2016 23 12 54 40.5 601.8 2.9 39.9 -9 2690 No stop 20 10 10 --- 23 16 24 40.0 602.7 2.9 40.3 201 2717 20 06 41 20 10 10 J2018+0831 23 16 24 37.5 600.6 3.0 38.9 -9 2717 No stop 20 11 40 --- 23 17 54 37.3 600.9 3.0 39.1 81 2728 20 10 11 20 11 40 MG2016 23 17 54 39.7 603.1 3.0 40.4 -9 2728 No stop 20 15 10 --- 23 21 25 39.2 603.9 3.0 40.8 201 2755 20 11 41 Schedule for MEDICINA (Code Mc ) Page 12 Confirming the first detection of a merging dual SMBH system at high-z 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 20 15 50 J2018+0831 23 22 05 36.6 602.0 3.0 39.5 31 2755 20 15 50 20 16 50 --- 23 23 05 36.5 602.2 3.1 39.6 60 2763 20 15 51 20 16 50 MG2016 23 23 05 38.9 604.3 3.0 41.0 -9 2763 No stop 20 20 20 --- 23 26 36 38.3 605.1 3.1 41.3 201 2790 20 16 51 20 20 20 J2018+0831 23 26 36 35.9 603.0 3.1 40.0 -9 2790 No stop 20 21 50 --- 23 28 06 35.7 603.4 3.1 40.1 81 2802 20 20 21 20 21 50 MG2016 23 28 06 38.1 605.5 3.1 41.5 -9 2802 No stop 20 25 20 --- 23 31 37 37.5 606.3 3.2 41.8 201 2829 20 21 51 20 26 00 J2018+0831 23 32 17 35.0 604.3 3.2 40.5 31 2829 20 26 00 20 27 00 --- 23 33 17 34.9 604.6 3.2 40.6 60 2837 20 26 01 20 27 00 MG2016 23 33 17 37.2 606.7 3.2 41.9 -9 2837 No stop 20 30 30 --- 23 36 47 36.7 607.5 3.3 42.2 201 2864 20 27 01 20 30 30 J2018+0831 23 36 47 34.3 605.4 3.3 41.0 -9 2864 No stop 20 32 00 --- 23 38 18 34.1 605.7 3.3 41.1 81 2875 20 30 31 20 32 00 MG2016 23 38 18 36.4 607.8 3.3 42.4 -9 2875 No stop 20 35 30 --- 23 41 48 35.8 608.6 3.4 42.7 201 2902 20 32 01 20 36 10 J2018+0831 23 42 28 33.4 606.6 3.4 41.4 31 2902 20 36 10 20 37 10 --- 23 43 29 33.2 606.9 3.4 41.5 60 2910 20 36 11 20 37 10 MG2016 23 43 29 35.6 609.0 3.4 42.8 -9 2910 No stop 20 40 40 --- 23 46 59 35.0 609.8 3.4 43.1 201 2937 20 37 11 20 41 20 J2018+0831 23 47 39 32.5 607.8 3.5 41.9 31 2937 20 41 20 20 42 20 --- 23 48 39 32.4 608.0 3.5 42.0 60 2945 20 41 21 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.C1024glob --- 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: 20 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 Net SB= L L U U L L U U 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: 7 Setup file default. Used with PCAL = off LO sum= 4892.25 4892.25 4892.25 4892.25 4956.25 4956.25 4956.25 4956.25 BBC fr= 292.25 292.25 292.25 292.25 356.25 356.25 356.25 356.25 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 7 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) * MG2016 20 16 55.378166 * 20 19 18.092000 20 20 13.565900 0.00 11 17 44.97966 * 11 27 13.00000 11 31 08.04992 0.00 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606162 * 16 42 58.809900 16 43 36.764649 0.00 39 54 10.81394 * 39 48 36.99300 39 46 42.73413 0.00 From catalog imbedded in main SCHED input file. * J2018+0831 20 15 45.733430 * 20 18 11.311946 20 19 07.886706 0.00 08 22 30.62230 * 08 31 54.54739 08 35 47.14317 0.00 From catalog imbedded in main SCHED input file. 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 MG2016 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 15 + 6.650 489.300 3C345 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 0.225 6.793 J2018+0831 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 15 + 2.525 164.241 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) MG2016 96.6 3C345 64.2 J2018+0831 95.8 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