COVER INFORMATION Station: ONSALA85 (Code O8 ) 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 ONSALA85 (Code O8 ) 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: 792.25 792.25 792.25 792.25 856.25 856.25 856.25 856.25 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 13 44 30 3C345 16 50 46 72.3 184.5 0.1 0.0 0 0 13 44 30 13 49 30 --- 16 55 47 72.3 187.7 0.2 0.0 300 39 13 44 31 13 53 00 J2018+0831 16 59 17 27.9 121.0 -3.3 0.0 20 39 13 53 00 13 54 00 --- 17 00 17 28.1 121.3 -3.3 0.0 60 46 13 53 01 13 54 00 MG2016 17 00 17 30.5 119.4 -3.3 0.0 -22 46 No stop 13 57 30 --- 17 03 48 30.9 120.3 -3.3 0.0 188 73 13 54 01 13 57 30 J2018+0831 17 03 48 28.5 122.1 -3.3 0.0 -22 73 No stop 13 59 00 --- 17 05 18 28.6 122.5 -3.2 0.0 68 85 13 57 31 13 59 00 MG2016 17 05 18 31.1 120.7 -3.2 0.0 -22 85 No stop 14 02 30 --- 17 08 49 31.5 121.6 -3.2 0.0 188 112 13 59 01 14 03 10 J2018+0831 17 09 29 29.1 123.6 -3.2 0.0 18 112 14 03 10 14 04 10 --- 17 10 29 29.2 123.8 -3.1 0.0 60 120 14 03 11 14 04 10 MG2016 17 10 29 31.7 122.0 -3.2 0.0 -22 120 No stop 14 07 40 --- 17 14 00 32.1 122.9 -3.1 0.0 188 147 14 04 11 14 07 40 J2018+0831 17 14 00 29.6 124.7 -3.1 0.0 -22 147 No stop 14 09 10 --- 17 15 30 29.8 125.1 -3.1 0.0 68 158 14 07 41 14 09 10 MG2016 17 15 30 32.3 123.3 -3.1 0.0 -22 158 No stop 14 12 40 --- 17 19 00 32.7 124.2 -3.0 0.0 188 185 14 09 11 14 13 20 J2018+0831 17 19 40 30.2 126.2 -3.0 0.0 18 185 14 13 20 14 14 20 --- 17 20 41 30.3 126.4 -3.0 0.0 60 193 14 13 21 14 14 20 MG2016 17 20 41 32.8 124.6 -3.0 0.0 -22 193 No stop 14 17 50 --- 17 24 11 33.2 125.5 -2.9 0.0 188 220 14 14 21 14 17 50 J2018+0831 17 24 11 30.7 127.3 -2.9 0.0 -22 220 No stop 14 19 20 --- 17 25 41 30.9 127.7 -2.9 0.0 68 232 14 17 51 14 19 20 MG2016 17 25 41 33.4 125.9 -2.9 0.0 -22 232 No stop 14 22 50 --- 17 29 12 33.8 126.8 -2.9 0.0 188 259 14 19 21 14 23 30 J2018+0831 17 29 52 31.3 128.8 -2.8 0.0 18 259 14 23 30 14 24 30 --- 17 30 52 31.4 129.1 -2.8 0.0 60 267 14 23 31 Schedule for ONSALA85 (Code O8 ) 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 30 52 34.0 127.3 -2.8 0.0 -22 267 No stop 14 28 00 --- 17 34 23 34.3 128.2 -2.8 0.0 188 294 14 24 31 14 28 00 J2018+0831 17 34 23 31.8 130.0 -2.7 0.0 -22 294 No stop 14 29 30 --- 17 35 53 32.0 130.4 -2.7 0.0 68 305 14 28 01 14 29 30 MG2016 17 35 53 34.5 128.6 -2.7 0.0 -22 305 No stop 14 33 00 --- 17 39 24 34.9 129.6 -2.7 0.0 188 332 14 29 31 14 33 40 J2018+0831 17 40 04 32.4 131.5 -2.7 0.0 18 332 14 33 40 14 34 40 --- 17 41 04 32.5 131.8 -2.6 0.0 60 340 14 33 41 14 34 40 MG2016 17 41 04 35.0 130.0 -2.7 0.0 -22 340 No stop 14 38 10 --- 17 44 35 35.4 131.0 -2.6 0.0 188 367 14 34 41 14 38 10 J2018+0831 17 44 35 32.8 132.7 -2.6 0.0 -22 367 No stop 14 39 40 --- 17 46 05 33.0 133.1 -2.6 0.0 68 379 14 38 11 14 39 40 MG2016 17 46 05 35.5 131.4 -2.6 0.0 -22 379 No stop 14 43 10 --- 17 49 35 35.9 132.4 -2.5 0.0 188 406 14 39 41 14 43 50 J2018+0831 17 50 15 33.4 134.3 -2.5 0.0 18 406 14 43 50 14 44 50 --- 17 51 16 33.5 134.5 -2.5 0.0 60 414 14 43 51 14 44 50 MG2016 17 51 16 36.1 132.8 -2.5 0.0 -22 414 No stop 14 48 20 --- 17 54 46 36.4 133.8 -2.4 0.0 188 441 14 44 51 14 48 20 J2018+0831 17 54 46 33.8 135.5 -2.4 0.0 -22 441 No stop 14 49 50 --- 17 56 16 34.0 135.9 -2.4 0.0 68 452 14 48 21 14 49 50 MG2016 17 56 16 36.5 134.2 -2.4 0.0 -22 452 No stop 14 53 20 --- 17 59 47 36.9 135.2 -2.3 0.0 188 479 14 49 51 14 54 00 J2018+0831 18 00 27 34.3 137.1 -2.3 0.0 18 479 14 54 00 14 55 00 --- 18 01 27 34.4 137.3 -2.3 0.0 60 487 14 54 01 14 55 00 MG2016 18 01 27 37.0 135.7 -2.3 0.0 -22 487 No stop 14 58 30 --- 18 04 58 37.4 136.7 -2.3 0.0 188 514 14 55 01 14 58 30 J2018+0831 18 04 58 34.8 138.3 -2.2 0.0 -22 514 No stop 15 00 00 --- 18 06 28 34.9 138.7 -2.2 0.0 68 526 14 58 31 15 00 00 MG2016 18 06 28 37.5 137.1 -2.2 0.0 -22 526 No stop 15 03 30 --- 18 09 59 37.8 138.1 -2.2 0.0 188 553 15 00 01 Schedule for ONSALA85 (Code O8 ) 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 10 39 35.3 139.9 -2.1 0.0 18 553 15 04 10 15 05 10 --- 18 11 39 35.3 140.2 -2.1 0.0 60 560 15 04 11 15 05 10 MG2016 18 11 39 38.0 138.6 -2.1 0.0 -22 560 No stop 15 08 40 --- 18 15 10 38.3 139.6 -2.1 0.0 188 587 15 05 11 15 08 40 J2018+0831 18 15 10 35.6 141.2 -2.1 0.0 -22 587 No stop 15 10 10 --- 18 16 40 35.8 141.6 -2.0 0.0 68 599 15 08 41 15 10 10 MG2016 18 16 40 38.4 140.1 -2.1 0.0 -22 599 No stop 15 13 40 --- 18 20 10 38.7 141.1 -2.0 0.0 188 626 15 10 11 15 14 20 J2018+0831 18 20 50 36.1 142.8 -2.0 0.0 18 626 15 14 20 15 15 20 --- 18 21 51 36.2 143.1 -2.0 0.0 60 634 15 14 21 15 15 20 MG2016 18 21 51 38.9 141.6 -2.0 0.0 -22 634 No stop 15 18 50 --- 18 25 21 39.1 142.6 -1.9 0.0 188 661 15 15 21 15 18 50 J2018+0831 18 25 21 36.5 144.2 -1.9 0.0 -22 661 No stop 15 20 20 --- 18 26 51 36.6 144.6 -1.9 0.0 68 672 15 18 51 15 20 20 MG2016 18 26 51 39.3 143.1 -1.9 0.0 -22 672 No stop 15 23 50 --- 18 30 22 39.5 144.1 -1.8 0.0 188 699 15 20 21 15 24 30 J2018+0831 18 31 02 36.9 145.8 -1.8 0.0 18 699 15 24 30 15 25 30 --- 18 32 02 37.0 146.1 -1.8 0.0 60 707 15 24 31 15 25 30 MG2016 18 32 02 39.7 144.6 -1.8 0.0 -22 707 No stop 15 29 00 --- 18 35 33 39.9 145.7 -1.7 0.0 188 734 15 25 31 15 29 00 J2018+0831 18 35 33 37.2 147.1 -1.7 0.0 -22 734 No stop 15 30 30 --- 18 37 03 37.4 147.6 -1.7 0.0 68 746 15 29 01 15 30 30 MG2016 18 37 03 40.1 146.1 -1.7 0.0 -22 746 No stop 15 34 00 --- 18 40 34 40.3 147.2 -1.7 0.0 188 773 15 30 31 15 34 40 J2018+0831 18 41 14 37.7 148.8 -1.6 0.0 18 773 15 34 40 15 35 40 --- 18 42 14 37.7 149.1 -1.6 0.0 60 781 15 34 41 15 35 40 MG2016 18 42 14 40.4 147.7 -1.6 0.0 -22 781 No stop 15 39 10 --- 18 45 45 40.7 148.8 -1.6 0.0 188 808 15 35 41 15 39 10 J2018+0831 18 45 45 38.0 150.2 -1.6 0.0 -22 808 No stop 15 40 40 --- 18 47 15 38.1 150.7 -1.5 0.0 68 819 15 39 11 Schedule for ONSALA85 (Code O8 ) 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 47 15 40.8 149.3 -1.5 0.0 -22 819 No stop 15 44 10 --- 18 50 45 41.0 150.4 -1.5 0.0 188 846 15 40 41 15 44 50 J2018+0831 18 51 26 38.3 151.9 -1.5 0.0 18 846 15 44 50 15 45 50 --- 18 52 26 38.4 152.2 -1.4 0.0 60 854 15 44 51 15 45 50 MG2016 18 52 26 41.1 150.9 -1.5 0.0 -22 854 No stop 15 49 20 --- 18 55 56 41.4 152.0 -1.4 0.0 188 881 15 45 51 15 49 20 J2018+0831 18 55 56 38.6 153.3 -1.4 0.0 -22 881 No stop 15 50 50 --- 18 57 26 38.7 153.8 -1.4 0.0 68 893 15 49 21 15 50 50 MG2016 18 57 26 41.5 152.5 -1.4 0.0 -22 893 No stop 15 54 20 --- 19 00 57 41.7 153.6 -1.3 0.0 188 920 15 50 51 15 55 00 J2018+0831 19 01 37 38.9 155.1 -1.3 0.0 18 920 15 55 00 15 56 00 --- 19 02 37 39.0 155.4 -1.3 0.0 60 927 15 55 01 15 56 00 MG2016 19 02 37 41.8 154.1 -1.3 0.0 -22 927 No stop 15 59 30 --- 19 06 08 42.0 155.2 -1.2 0.0 188 955 15 56 01 15 59 30 J2018+0831 19 06 08 39.2 156.5 -1.2 0.0 -22 955 No stop 16 01 00 --- 19 07 38 39.3 156.9 -1.2 0.0 68 966 15 59 31 16 01 00 MG2016 19 07 38 42.1 155.7 -1.2 0.0 -22 966 No stop 16 04 30 --- 19 11 09 42.3 156.9 -1.2 0.0 188 993 16 01 01 16 05 10 J2018+0831 19 11 49 39.5 158.2 -1.1 0.0 18 993 16 05 10 16 06 10 --- 19 12 49 39.5 158.5 -1.1 0.0 60 1001 16 05 11 16 06 10 MG2016 19 12 49 42.3 157.4 -1.1 0.0 -22 1001 No stop 16 09 40 --- 19 16 20 42.5 158.5 -1.1 0.0 188 1028 16 06 11 16 09 40 J2018+0831 19 16 20 39.7 159.6 -1.0 0.0 -22 1028 No stop 16 11 10 --- 19 17 50 39.8 160.1 -1.0 0.0 68 1040 16 09 41 16 11 10 MG2016 19 17 50 42.6 159.0 -1.0 0.0 -22 1040 No stop 16 14 40 --- 19 21 20 42.8 160.2 -1.0 0.0 188 1067 16 11 11 16 15 20 J2018+0831 19 22 01 40.0 161.4 -1.0 0.0 18 1067 16 15 20 16 16 20 --- 19 23 01 40.0 161.8 -0.9 0.0 60 1074 16 15 21 16 16 20 MG2016 19 23 01 42.8 160.7 -1.0 0.0 -22 1074 No stop 16 19 50 --- 19 26 31 43.0 161.9 -0.9 0.0 188 1101 16 16 21 Schedule for ONSALA85 (Code O8 ) 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 26 31 40.1 162.9 -0.9 0.0 -22 1101 No stop 16 21 20 --- 19 28 02 40.2 163.4 -0.9 0.0 68 1113 16 19 51 16 21 20 MG2016 19 28 02 43.0 162.4 -0.9 0.0 -22 1113 No stop 16 24 50 --- 19 31 32 43.2 163.5 -0.8 0.0 188 1140 16 21 21 16 25 30 J2018+0831 19 32 12 40.4 164.7 -0.8 0.0 18 1140 16 25 30 16 26 30 --- 19 33 12 40.4 165.0 -0.8 0.0 60 1148 16 25 31 16 26 30 MG2016 19 33 12 43.2 164.1 -0.8 0.0 -22 1148 No stop 16 30 00 --- 19 36 43 43.4 165.3 -0.7 0.0 188 1175 16 26 31 16 30 00 J2018+0831 19 36 43 40.5 166.2 -0.7 0.0 -22 1175 No stop 16 31 30 --- 19 38 13 40.6 166.6 -0.7 0.0 68 1186 16 30 01 16 31 30 MG2016 19 38 13 43.4 165.8 -0.7 0.0 -22 1186 No stop 16 35 00 --- 19 41 44 43.5 166.9 -0.6 0.0 188 1213 16 31 31 16 35 40 J2018+0831 19 42 24 40.7 168.0 -0.6 0.0 18 1213 16 35 40 16 36 40 --- 19 43 24 40.7 168.3 -0.6 0.0 60 1221 16 35 41 16 36 40 MG2016 19 43 24 43.6 167.5 -0.6 0.0 -22 1221 No stop 16 40 10 --- 19 46 55 43.7 168.7 -0.6 0.0 188 1248 16 36 41 16 40 10 J2018+0831 19 46 55 40.8 169.5 -0.5 0.0 -22 1248 No stop 16 41 40 --- 19 48 25 40.8 169.9 -0.5 0.0 68 1260 16 40 11 16 41 40 MG2016 19 48 25 43.7 169.2 -0.5 0.0 -22 1260 No stop 16 45 10 --- 19 51 55 43.8 170.4 -0.5 0.0 188 1287 16 41 41 16 45 50 J2018+0831 19 52 36 40.9 171.3 -0.4 0.0 18 1287 16 45 50 16 46 50 --- 19 53 36 41.0 171.6 -0.4 0.0 60 1295 16 45 51 16 46 50 MG2016 19 53 36 43.8 170.9 -0.4 0.0 -22 1295 No stop 16 50 20 --- 19 57 06 43.9 172.1 -0.4 0.0 188 1322 16 46 51 16 50 20 J2018+0831 19 57 06 41.0 172.8 -0.4 0.0 -22 1322 No stop 16 51 50 --- 19 58 37 41.0 173.3 -0.3 0.0 68 1333 16 50 21 16 51 50 MG2016 19 58 37 43.9 172.6 -0.4 0.0 -22 1333 No stop 16 55 20 --- 20 02 07 44.0 173.8 -0.3 0.0 188 1360 16 51 51 16 56 00 J2018+0831 20 02 47 41.1 174.6 -0.3 0.0 18 1360 16 56 00 16 57 00 --- 20 03 47 41.1 175.0 -0.3 0.0 60 1368 16 56 01 Schedule for ONSALA85 (Code O8 ) 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 03 47 44.0 174.4 -0.3 0.0 -22 1368 No stop 17 00 30 --- 20 07 18 44.1 175.6 -0.2 0.0 188 1395 16 57 01 17 00 30 J2018+0831 20 07 18 41.1 176.1 -0.2 0.0 -22 1395 No stop 17 02 00 --- 20 08 48 41.2 176.6 -0.2 0.0 68 1407 17 00 31 17 02 00 MG2016 20 08 48 44.1 176.1 -0.2 0.0 -22 1407 No stop 17 05 30 --- 20 12 19 44.1 177.3 -0.1 0.0 188 1434 17 02 01 17 06 10 J2018+0831 20 12 59 41.2 178.0 -0.1 0.0 18 1434 17 06 10 17 07 10 --- 20 13 59 41.2 178.3 -0.1 0.0 60 1441 17 06 11 17 07 10 MG2016 20 13 59 44.1 177.9 -0.1 0.0 -22 1441 No stop 17 10 40 --- 20 17 30 44.1 179.1 -0.0 0.0 188 1469 17 07 11 17 10 40 J2018+0831 20 17 30 41.2 179.5 -0.0 0.0 -22 1469 No stop 17 12 10 --- 20 19 00 41.2 180.0 -0.0 0.0 68 1480 17 10 41 17 12 10 MG2016 20 19 00 44.1 179.6 -0.0 0.0 -22 1480 No stop 17 15 40 --- 20 22 30 44.1 180.8 0.0 0.0 188 1507 17 12 11 17 16 20 J2018+0831 20 23 11 41.2 181.3 0.1 0.0 18 1507 17 16 20 17 17 20 --- 20 24 11 41.2 181.7 0.1 0.0 60 1515 17 16 21 17 17 20 MG2016 20 24 11 44.1 181.3 0.1 0.0 -22 1515 No stop 17 20 50 --- 20 27 41 44.1 182.5 0.1 0.0 188 1542 17 17 21 17 20 50 J2018+0831 20 27 41 41.2 182.8 0.1 0.0 -22 1542 No stop 17 22 20 --- 20 29 12 41.2 183.3 0.2 0.0 68 1554 17 20 51 17 22 20 MG2016 20 29 12 44.1 183.1 0.1 0.0 -22 1554 No stop 17 25 50 --- 20 32 42 44.1 184.3 0.2 0.0 188 1581 17 22 21 17 26 30 J2018+0831 20 33 22 41.1 184.7 0.2 0.0 18 1581 17 26 30 17 27 30 --- 20 34 22 41.1 185.0 0.3 0.0 60 1588 17 26 31 17 27 30 MG2016 20 34 22 44.0 184.8 0.2 0.0 -22 1588 No stop 17 31 00 --- 20 37 53 44.0 186.0 0.3 0.0 188 1615 17 27 31 17 31 00 J2018+0831 20 37 53 41.1 186.2 0.3 0.0 -22 1615 No stop 17 32 30 --- 20 39 23 41.0 186.6 0.3 0.0 68 1627 17 31 01 17 32 30 MG2016 20 39 23 44.0 186.5 0.3 0.0 -22 1627 No stop 17 36 00 --- 20 42 54 43.9 187.7 0.4 0.0 188 1654 17 32 31 Schedule for ONSALA85 (Code O8 ) 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 43 34 41.0 188.0 0.4 0.0 18 1654 17 36 40 17 37 40 --- 20 44 34 41.0 188.3 0.4 0.0 60 1662 17 36 41 17 37 40 MG2016 20 44 34 43.9 188.3 0.4 0.0 -22 1662 No stop 17 41 10 --- 20 48 05 43.8 189.5 0.5 0.0 188 1689 17 37 41 17 41 10 J2018+0831 20 48 05 40.9 189.5 0.5 0.0 -22 1689 No stop 17 42 40 --- 20 49 35 40.8 190.0 0.5 0.0 68 1700 17 41 11 17 42 40 MG2016 20 49 35 43.8 190.0 0.5 0.0 -22 1700 No stop 17 46 10 --- 20 53 05 43.7 191.2 0.5 0.0 188 1727 17 42 41 17 46 50 J2018+0831 20 53 46 40.7 191.3 0.6 0.0 18 1727 17 46 50 17 47 50 --- 20 54 46 40.7 191.7 0.6 0.0 60 1735 17 46 51 17 47 50 MG2016 20 54 46 43.7 191.7 0.6 0.0 -22 1735 No stop 17 51 20 --- 20 58 16 43.5 192.9 0.6 0.0 188 1762 17 47 51 17 51 20 J2018+0831 20 58 16 40.6 192.8 0.7 0.0 -22 1762 No stop 17 52 50 --- 20 59 47 40.6 193.3 0.7 0.0 68 1774 17 51 21 17 52 50 MG2016 20 59 47 43.5 193.4 0.7 0.0 -22 1774 No stop 17 56 20 --- 21 03 17 43.4 194.6 0.7 0.0 188 1801 17 52 51 17 57 00 J2018+0831 21 03 57 40.4 194.6 0.7 0.0 18 1801 17 57 00 17 58 00 --- 21 04 57 40.4 194.9 0.8 0.0 60 1809 17 57 01 17 58 00 MG2016 21 04 57 43.3 195.1 0.7 0.0 -22 1809 No stop 18 01 30 --- 21 08 28 43.2 196.3 0.8 0.0 188 1836 17 58 01 18 01 30 J2018+0831 21 08 28 40.3 196.1 0.8 0.0 -22 1836 No stop 18 03 00 --- 21 09 58 40.2 196.6 0.8 0.0 68 1847 18 01 31 18 03 00 MG2016 21 09 58 43.1 196.8 0.8 0.0 -22 1847 No stop 18 06 30 --- 21 13 29 43.0 198.0 0.9 0.0 188 1874 18 03 01 18 07 10 J2018+0831 21 14 09 40.0 197.9 0.9 0.0 18 1874 18 07 10 18 08 10 --- 21 15 09 40.0 198.2 0.9 0.0 60 1882 18 07 11 18 08 10 MG2016 21 15 09 42.9 198.5 0.9 0.0 -22 1882 No stop 18 11 40 --- 21 18 40 42.8 199.7 1.0 0.0 188 1909 18 08 11 18 11 40 J2018+0831 21 18 40 39.9 199.3 1.0 0.0 -22 1909 No stop 18 13 10 --- 21 20 10 39.8 199.8 1.0 0.0 68 1921 18 11 41 Schedule for ONSALA85 (Code O8 ) 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 20 10 42.7 200.2 1.0 0.0 -22 1921 No stop 18 16 40 --- 21 23 40 42.5 201.3 1.1 0.0 188 1948 18 13 11 18 17 20 J2018+0831 21 24 21 39.6 201.1 1.1 0.0 18 1948 18 17 20 18 18 20 --- 21 25 21 39.5 201.4 1.1 0.0 60 1955 18 17 21 18 18 20 MG2016 21 25 21 42.5 201.9 1.1 0.0 -22 1955 No stop 18 21 50 --- 21 28 51 42.3 203.0 1.1 0.0 188 1983 18 18 21 18 21 50 J2018+0831 21 28 51 39.4 202.5 1.2 0.0 -22 1983 No stop 18 23 20 --- 21 30 22 39.3 203.0 1.2 0.0 68 1994 18 21 51 18 23 20 MG2016 21 30 22 42.2 203.5 1.2 0.0 -22 1994 No stop 18 26 50 --- 21 33 52 42.0 204.6 1.2 0.0 188 2021 18 23 21 18 27 30 J2018+0831 21 34 32 39.1 204.3 1.3 0.0 18 2021 18 27 30 18 28 30 --- 21 35 32 39.0 204.6 1.3 0.0 60 2029 18 27 31 18 28 30 MG2016 21 35 32 41.9 205.1 1.3 0.0 -22 2029 No stop 18 32 00 --- 21 39 03 41.7 206.3 1.3 0.0 188 2056 18 28 31 18 32 00 J2018+0831 21 39 03 38.8 205.7 1.3 0.0 -22 2056 No stop 18 33 30 --- 21 40 33 38.7 206.2 1.4 0.0 68 2068 18 32 01 18 33 30 MG2016 21 40 33 41.6 206.7 1.3 0.0 -22 2068 No stop 18 37 00 --- 21 44 04 41.4 207.9 1.4 0.0 188 2095 18 33 31 18 37 40 J2018+0831 21 44 44 38.5 207.4 1.4 0.0 18 2095 18 37 40 18 38 40 --- 21 45 44 38.4 207.7 1.4 0.0 60 2102 18 37 41 18 38 40 MG2016 21 45 44 41.3 208.4 1.4 0.0 -22 2102 No stop 18 42 10 --- 21 49 15 41.1 209.5 1.5 0.0 188 2129 18 38 41 18 42 10 J2018+0831 21 49 15 38.2 208.8 1.5 0.0 -22 2129 No stop 18 43 40 --- 21 50 45 38.1 209.3 1.5 0.0 68 2141 18 42 11 18 43 40 MG2016 21 50 45 41.0 210.0 1.5 0.0 -22 2141 No stop 18 47 10 --- 21 54 15 40.7 211.0 1.6 0.0 188 2168 18 43 41 18 47 50 J2018+0831 21 54 56 37.8 210.5 1.6 0.0 18 2168 18 47 50 18 48 50 --- 21 55 56 37.7 210.8 1.6 0.0 60 2176 18 47 51 18 48 50 MG2016 21 55 56 40.6 211.6 1.6 0.0 -22 2176 No stop 18 52 20 --- 21 59 26 40.4 212.6 1.7 0.0 188 2203 18 48 51 Schedule for ONSALA85 (Code O8 ) 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 59 26 37.5 211.9 1.7 0.0 -22 2203 No stop 18 53 50 --- 22 00 57 37.4 212.3 1.7 0.0 68 2214 18 52 21 18 53 50 MG2016 22 00 57 40.2 213.1 1.7 0.0 -22 2214 No stop 18 57 20 --- 22 04 27 40.0 214.2 1.7 0.0 188 2241 18 53 51 18 58 00 J2018+0831 22 05 07 37.1 213.6 1.8 0.0 18 2241 18 58 00 18 59 00 --- 22 06 07 37.0 213.9 1.8 0.0 60 2249 18 58 01 18 59 00 MG2016 22 06 07 39.9 214.7 1.8 0.0 -22 2249 No stop 19 02 30 --- 22 09 38 39.6 215.7 1.8 0.0 188 2276 18 59 01 19 02 30 J2018+0831 22 09 38 36.7 214.9 1.8 0.0 -22 2276 No stop 19 04 00 --- 22 11 08 36.6 215.3 1.9 0.0 68 2288 19 02 31 19 04 00 MG2016 22 11 08 39.5 216.2 1.8 0.0 -22 2288 No stop 19 07 30 --- 22 14 39 39.2 217.2 1.9 0.0 188 2315 19 04 01 19 08 10 J2018+0831 22 15 19 36.3 216.5 1.9 0.0 18 2315 19 08 10 19 09 10 --- 22 16 19 36.2 216.8 2.0 0.0 60 2323 19 08 11 19 09 10 MG2016 22 16 19 39.0 217.7 1.9 0.0 -22 2323 No stop 19 12 40 --- 22 19 50 38.8 218.8 2.0 0.0 188 2350 19 09 11 19 12 40 J2018+0831 22 19 50 35.9 217.9 2.0 0.0 -22 2350 No stop 19 14 10 --- 22 21 20 35.8 218.3 2.0 0.0 68 2361 19 12 41 19 14 10 MG2016 22 21 20 38.6 219.2 2.0 0.0 -22 2361 No stop 19 17 40 --- 22 24 50 38.3 220.3 2.1 0.0 188 2388 19 14 11 19 18 20 J2018+0831 22 25 31 35.4 219.5 2.1 0.0 18 2388 19 18 20 19 19 20 --- 22 26 31 35.3 219.8 2.1 0.0 60 2396 19 18 21 19 19 20 MG2016 22 26 31 38.2 220.7 2.1 0.0 -22 2396 No stop 19 22 50 --- 22 30 01 37.9 221.8 2.2 0.0 188 2423 19 19 21 19 22 50 J2018+0831 22 30 01 35.0 220.8 2.2 0.0 -22 2423 No stop 19 24 20 --- 22 31 32 34.9 221.2 2.2 0.0 68 2435 19 22 51 19 24 20 MG2016 22 31 32 37.7 222.2 2.2 0.0 -22 2435 No stop 19 27 50 --- 22 35 02 37.4 223.2 2.2 0.0 188 2462 19 24 21 19 28 30 J2018+0831 22 35 42 34.5 222.4 2.3 0.0 18 2462 19 28 30 19 29 30 --- 22 36 42 34.4 222.6 2.3 0.0 60 2469 19 28 31 Schedule for ONSALA85 (Code O8 ) 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 43 24 36.6 225.6 2.4 0.0 378 2469 19 36 10 19 39 40 --- 22 46 54 36.3 226.5 2.4 0.0 210 2497 19 36 11 19 39 40 J2018+0831 22 46 54 33.5 225.4 2.5 0.0 -22 2497 No stop 19 41 10 --- 22 48 24 33.3 225.9 2.5 0.0 68 2508 19 39 41 19 41 10 MG2016 22 48 24 36.1 227.0 2.5 0.0 -22 2508 No stop 19 44 40 --- 22 51 55 35.8 227.9 2.5 0.0 188 2535 19 41 11 19 45 20 J2018+0831 22 52 35 32.9 227.0 2.6 0.0 18 2535 19 45 20 19 46 20 --- 22 53 35 32.8 227.3 2.6 0.0 60 2543 19 45 21 19 46 20 MG2016 22 53 35 35.6 228.4 2.6 0.0 -22 2543 No stop 19 49 50 --- 22 57 06 35.3 229.4 2.6 0.0 188 2570 19 46 21 19 49 50 J2018+0831 22 57 06 32.5 228.2 2.6 0.0 -22 2570 No stop 19 51 20 --- 22 58 36 32.3 228.6 2.7 0.0 68 2582 19 49 51 19 51 20 MG2016 22 58 36 35.1 229.8 2.6 0.0 -22 2582 No stop 19 54 50 --- 23 02 07 34.7 230.7 2.7 0.0 188 2609 19 51 21 19 55 30 J2018+0831 23 02 47 31.9 229.7 2.7 0.0 18 2609 19 55 30 19 56 30 --- 23 03 47 31.8 230.0 2.7 0.0 60 2616 19 55 31 19 56 30 MG2016 23 03 47 34.6 231.2 2.7 0.0 -22 2616 No stop 20 00 00 --- 23 07 17 34.2 232.1 2.8 0.0 188 2643 19 56 31 20 00 00 J2018+0831 23 07 17 31.4 230.9 2.8 0.0 -22 2643 No stop 20 01 30 --- 23 08 48 31.3 231.3 2.8 0.0 68 2655 20 00 01 20 01 30 MG2016 23 08 48 34.0 232.5 2.8 0.0 -22 2655 No stop 20 05 00 --- 23 12 18 33.7 233.4 2.9 0.0 188 2682 20 01 31 20 05 40 J2018+0831 23 12 58 30.8 232.4 2.9 0.0 18 2682 20 05 40 20 06 40 --- 23 13 59 30.7 232.6 2.9 0.0 60 2690 20 05 41 20 06 40 MG2016 23 13 59 33.5 233.9 2.9 0.0 -22 2690 No stop 20 10 10 --- 23 17 29 33.1 234.8 3.0 0.0 188 2717 20 06 41 20 10 10 J2018+0831 23 17 29 30.4 233.6 3.0 0.0 -22 2717 No stop 20 11 40 --- 23 18 59 30.2 233.9 3.0 0.0 68 2728 20 10 11 20 11 40 MG2016 23 18 59 32.9 235.2 3.0 0.0 -22 2728 No stop 20 15 10 --- 23 22 30 32.5 236.1 3.0 0.0 188 2755 20 11 41 Schedule for ONSALA85 (Code O8 ) 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 23 10 29.7 235.0 3.1 0.0 18 2755 20 15 50 20 16 50 --- 23 24 10 29.6 235.3 3.1 0.0 60 2763 20 15 51 20 16 50 MG2016 23 24 10 32.4 236.5 3.1 0.0 -22 2763 No stop 20 20 20 --- 23 27 41 32.0 237.4 3.1 0.0 188 2790 20 16 51 20 20 20 J2018+0831 23 27 41 29.2 236.2 3.1 0.0 -22 2790 No stop 20 21 50 --- 23 29 11 29.1 236.5 3.2 0.0 68 2802 20 20 21 20 21 50 MG2016 23 29 11 31.8 237.8 3.1 0.0 -22 2802 No stop 20 25 20 --- 23 32 42 31.4 238.7 3.2 0.0 188 2829 20 21 51 20 26 00 J2018+0831 23 33 22 28.6 237.6 3.2 0.0 18 2829 20 26 00 20 27 00 --- 23 34 22 28.5 237.8 3.3 0.0 60 2837 20 26 01 20 27 00 MG2016 23 34 22 31.2 239.1 3.2 0.0 -22 2837 No stop 20 30 30 --- 23 37 52 30.8 240.0 3.3 0.0 188 2864 20 27 01 20 30 30 J2018+0831 23 37 52 28.1 238.7 3.3 0.0 -22 2864 No stop 20 32 00 --- 23 39 23 27.9 239.1 3.3 0.0 68 2875 20 30 31 20 32 00 MG2016 23 39 23 30.6 240.4 3.3 0.0 -22 2875 No stop 20 35 30 --- 23 42 53 30.2 241.3 3.4 0.0 188 2902 20 32 01 20 36 10 J2018+0831 23 43 33 27.4 240.1 3.4 0.0 18 2902 20 36 10 20 37 10 --- 23 44 34 27.3 240.4 3.4 0.0 60 2910 20 36 11 20 37 10 MG2016 23 44 34 30.0 241.7 3.4 0.0 -22 2910 No stop 20 40 40 --- 23 48 04 29.6 242.5 3.5 0.0 188 2937 20 37 11 20 41 20 J2018+0831 23 48 44 26.8 241.4 3.5 0.0 18 2937 20 41 20 20 42 20 --- 23 49 44 26.7 241.6 3.5 0.0 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: 17 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= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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: 8 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= 792.25 792.25 792.25 792.25 856.25 856.25 856.25 856.25 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 8 14 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