COVER INFORMATION Station: ONSALA85 (Code O8 ) Experiment: Confirming the first detection of a merging dual SMBH system at high-z Exp. Code: gs044b 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 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 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 14 00 00 3C345 17 18 08 71.5 201.3 0.6 0.0 0 0 14 00 00 14 05 00 --- 17 23 09 71.3 204.2 0.7 0.0 300 39 14 00 01 14 08 30 J2018+0831 17 26 39 31.0 128.0 -2.9 0.0 20 39 14 08 30 14 09 30 --- 17 27 40 31.1 128.2 -2.9 0.0 60 46 14 08 31 14 09 30 MG2016 17 27 40 33.6 126.4 -2.9 0.0 -22 46 No stop 14 13 00 --- 17 31 10 34.0 127.4 -2.8 0.0 188 73 14 09 31 14 13 00 J2018+0831 17 31 10 31.5 129.1 -2.8 0.0 -22 73 No stop 14 14 30 --- 17 32 40 31.6 129.5 -2.8 0.0 68 85 14 13 01 14 14 30 MG2016 17 32 40 34.1 127.8 -2.8 0.0 -22 85 No stop 14 18 00 --- 17 36 11 34.5 128.7 -2.7 0.0 188 112 14 14 31 14 18 40 J2018+0831 17 36 51 32.0 130.6 -2.7 0.0 18 112 14 18 40 14 19 40 --- 17 37 51 32.2 130.9 -2.7 0.0 60 120 14 18 41 14 19 40 MG2016 17 37 51 34.7 129.2 -2.7 0.0 -22 120 No stop 14 23 10 --- 17 41 22 35.1 130.1 -2.6 0.0 188 147 14 19 41 14 23 10 J2018+0831 17 41 22 32.5 131.9 -2.6 0.0 -22 147 No stop 14 24 40 --- 17 42 52 32.7 132.3 -2.6 0.0 68 158 14 23 11 14 24 40 MG2016 17 42 52 35.2 130.5 -2.6 0.0 -22 158 No stop 14 28 10 --- 17 46 23 35.6 131.5 -2.6 0.0 188 185 14 24 41 14 28 50 J2018+0831 17 47 03 33.1 133.4 -2.5 0.0 18 185 14 28 50 14 29 50 --- 17 48 03 33.2 133.7 -2.5 0.0 60 193 14 28 51 14 29 50 MG2016 17 48 03 35.7 131.9 -2.5 0.0 -22 193 No stop 14 33 20 --- 17 51 33 36.1 132.9 -2.5 0.0 188 220 14 29 51 14 33 20 J2018+0831 17 51 33 33.5 134.6 -2.5 0.0 -22 220 No stop 14 34 50 --- 17 53 04 33.7 135.0 -2.4 0.0 68 232 14 33 21 14 34 50 MG2016 17 53 04 36.2 133.3 -2.5 0.0 -22 232 No stop 14 38 20 --- 17 56 34 36.6 134.3 -2.4 0.0 188 259 14 34 51 14 39 00 J2018+0831 17 57 14 34.0 136.2 -2.4 0.0 18 259 14 39 00 14 40 00 --- 17 58 15 34.1 136.4 -2.3 0.0 60 267 14 39 01 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 14 40 00 MG2016 17 58 15 36.7 134.8 -2.4 0.0 -22 267 No stop 14 43 30 --- 18 01 45 37.1 135.8 -2.3 0.0 188 294 14 40 01 14 43 30 J2018+0831 18 01 45 34.5 137.4 -2.3 0.0 -22 294 No stop 14 45 00 --- 18 03 15 34.6 137.8 -2.3 0.0 68 305 14 43 31 14 45 00 MG2016 18 03 15 37.2 136.2 -2.3 0.0 -22 305 No stop 14 48 30 --- 18 06 46 37.5 137.2 -2.2 0.0 188 332 14 45 01 14 49 10 J2018+0831 18 07 26 35.0 139.0 -2.2 0.0 18 332 14 49 10 14 50 10 --- 18 08 26 35.1 139.3 -2.2 0.0 60 340 14 49 11 14 50 10 MG2016 18 08 26 37.7 137.7 -2.2 0.0 -22 340 No stop 14 53 40 --- 18 11 57 38.0 138.7 -2.1 0.0 188 367 14 50 11 14 53 40 J2018+0831 18 11 57 35.4 140.3 -2.1 0.0 -22 367 No stop 14 55 10 --- 18 13 27 35.5 140.7 -2.1 0.0 68 379 14 53 41 14 55 10 MG2016 18 13 27 38.1 139.1 -2.1 0.0 -22 379 No stop 14 58 40 --- 18 16 58 38.4 140.1 -2.1 0.0 188 406 14 55 11 14 59 20 J2018+0831 18 17 38 35.8 141.9 -2.0 0.0 18 406 14 59 20 15 00 20 --- 18 18 38 35.9 142.2 -2.0 0.0 60 414 14 59 21 15 00 20 MG2016 18 18 38 38.6 140.6 -2.0 0.0 -22 414 No stop 15 03 50 --- 18 22 08 38.9 141.7 -2.0 0.0 188 441 15 00 21 15 03 50 J2018+0831 18 22 08 36.2 143.2 -1.9 0.0 -22 441 No stop 15 05 20 --- 18 23 39 36.3 143.7 -1.9 0.0 68 452 15 03 51 15 05 20 MG2016 18 23 39 39.0 142.1 -1.9 0.0 -22 452 No stop 15 08 50 --- 18 27 09 39.3 143.2 -1.9 0.0 188 479 15 05 21 15 09 30 J2018+0831 18 27 49 36.7 144.9 -1.9 0.0 18 479 15 09 30 15 10 30 --- 18 28 50 36.7 145.2 -1.8 0.0 60 487 15 09 31 15 10 30 MG2016 18 28 50 39.4 143.7 -1.9 0.0 -22 487 No stop 15 14 00 --- 18 32 20 39.7 144.7 -1.8 0.0 188 514 15 10 31 15 14 00 J2018+0831 18 32 20 37.0 146.2 -1.8 0.0 -22 514 No stop 15 15 30 --- 18 33 50 37.1 146.6 -1.8 0.0 68 526 15 14 01 15 15 30 MG2016 18 33 50 39.8 145.2 -1.8 0.0 -22 526 No stop 15 19 00 --- 18 37 21 40.1 146.2 -1.7 0.0 188 553 15 15 31 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 15 19 40 J2018+0831 18 38 01 37.4 147.9 -1.7 0.0 18 553 15 19 40 15 20 40 --- 18 39 01 37.5 148.2 -1.7 0.0 60 560 15 19 41 15 20 40 MG2016 18 39 01 40.2 146.7 -1.7 0.0 -22 560 No stop 15 24 10 --- 18 42 32 40.5 147.8 -1.6 0.0 188 587 15 20 41 15 24 10 J2018+0831 18 42 32 37.7 149.2 -1.6 0.0 -22 587 No stop 15 25 40 --- 18 44 02 37.8 149.7 -1.6 0.0 68 599 15 24 11 15 25 40 MG2016 18 44 02 40.6 148.3 -1.6 0.0 -22 599 No stop 15 29 10 --- 18 47 33 40.8 149.4 -1.5 0.0 188 626 15 25 41 15 29 50 J2018+0831 18 48 13 38.1 150.9 -1.5 0.0 18 626 15 29 50 15 30 50 --- 18 49 13 38.2 151.2 -1.5 0.0 60 634 15 29 51 15 30 50 MG2016 18 49 13 40.9 149.9 -1.5 0.0 -22 634 No stop 15 34 20 --- 18 52 43 41.2 151.0 -1.5 0.0 188 661 15 30 51 15 34 20 J2018+0831 18 52 43 38.4 152.3 -1.4 0.0 -22 661 No stop 15 35 50 --- 18 54 14 38.5 152.8 -1.4 0.0 68 672 15 34 21 15 35 50 MG2016 18 54 14 41.3 151.5 -1.4 0.0 -22 672 No stop 15 39 20 --- 18 57 44 41.5 152.6 -1.4 0.0 188 699 15 35 51 15 40 00 J2018+0831 18 58 24 38.8 154.1 -1.3 0.0 18 699 15 40 00 15 41 00 --- 18 59 25 38.8 154.4 -1.3 0.0 60 707 15 40 01 15 41 00 MG2016 18 59 25 41.6 153.1 -1.3 0.0 -22 707 No stop 15 44 30 --- 19 02 55 41.8 154.2 -1.3 0.0 188 734 15 41 01 15 44 30 J2018+0831 19 02 55 39.0 155.5 -1.3 0.0 -22 734 No stop 15 46 00 --- 19 04 25 39.1 155.9 -1.2 0.0 68 746 15 44 31 15 46 00 MG2016 19 04 25 41.9 154.7 -1.3 0.0 -22 746 No stop 15 49 30 --- 19 07 56 42.1 155.8 -1.2 0.0 188 773 15 46 01 15 50 10 J2018+0831 19 08 36 39.3 157.2 -1.2 0.0 18 773 15 50 10 15 51 10 --- 19 09 36 39.4 157.5 -1.2 0.0 60 781 15 50 11 15 51 10 MG2016 19 09 36 42.2 156.4 -1.2 0.0 -22 781 No stop 15 54 40 --- 19 13 07 42.4 157.5 -1.1 0.0 188 808 15 51 11 15 54 40 J2018+0831 19 13 07 39.6 158.6 -1.1 0.0 -22 808 No stop 15 56 10 --- 19 14 37 39.6 159.1 -1.1 0.0 68 819 15 54 41 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 15 56 10 MG2016 19 14 37 42.4 158.0 -1.1 0.0 -22 819 No stop 15 59 40 --- 19 18 08 42.6 159.1 -1.0 0.0 188 846 15 56 11 16 00 20 J2018+0831 19 18 48 39.8 160.4 -1.0 0.0 18 846 16 00 20 16 01 20 --- 19 19 48 39.9 160.7 -1.0 0.0 60 854 16 00 21 16 01 20 MG2016 19 19 48 42.7 159.7 -1.0 0.0 -22 854 No stop 16 04 50 --- 19 23 18 42.8 160.8 -0.9 0.0 188 881 16 01 21 16 04 50 J2018+0831 19 23 18 40.0 161.9 -0.9 0.0 -22 881 No stop 16 06 20 --- 19 24 49 40.1 162.3 -0.9 0.0 68 893 16 04 51 16 06 20 MG2016 19 24 49 42.9 161.3 -0.9 0.0 -22 893 No stop 16 09 50 --- 19 28 19 43.1 162.5 -0.9 0.0 188 920 16 06 21 16 10 30 J2018+0831 19 28 59 40.2 163.7 -0.8 0.0 18 920 16 10 30 16 11 30 --- 19 30 00 40.3 164.0 -0.8 0.0 60 927 16 10 31 16 11 30 MG2016 19 30 00 43.1 163.0 -0.8 0.0 -22 927 No stop 16 15 00 --- 19 33 30 43.3 164.2 -0.8 0.0 188 955 16 11 31 16 15 00 J2018+0831 19 33 30 40.4 165.1 -0.8 0.0 -22 955 No stop 16 16 30 --- 19 35 00 40.5 165.6 -0.7 0.0 68 966 16 15 01 16 16 30 MG2016 19 35 00 43.3 164.7 -0.8 0.0 -22 966 No stop 16 20 00 --- 19 38 31 43.4 165.9 -0.7 0.0 188 993 16 16 31 16 20 40 J2018+0831 19 39 11 40.6 166.9 -0.7 0.0 18 993 16 20 40 16 21 40 --- 19 40 11 40.6 167.3 -0.6 0.0 60 1001 16 20 41 16 21 40 MG2016 19 40 11 43.5 166.4 -0.7 0.0 -22 1001 No stop 16 25 10 --- 19 43 42 43.6 167.6 -0.6 0.0 188 1028 16 21 41 16 25 10 J2018+0831 19 43 42 40.7 168.4 -0.6 0.0 -22 1028 No stop 16 26 40 --- 19 45 12 40.8 168.9 -0.6 0.0 68 1040 16 25 11 16 26 40 MG2016 19 45 12 43.6 168.1 -0.6 0.0 -22 1040 No stop 16 30 10 --- 19 48 43 43.7 169.3 -0.5 0.0 188 1067 16 26 41 16 30 50 J2018+0831 19 49 23 40.9 170.3 -0.5 0.0 18 1067 16 30 50 16 31 50 --- 19 50 23 40.9 170.6 -0.5 0.0 60 1074 16 30 51 16 31 50 MG2016 19 50 23 43.8 169.9 -0.5 0.0 -22 1074 No stop 16 35 20 --- 19 53 53 43.8 171.0 -0.4 0.0 188 1101 16 31 51 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 16 35 20 J2018+0831 19 53 53 41.0 171.7 -0.4 0.0 -22 1101 No stop 16 36 50 --- 19 55 24 41.0 172.2 -0.4 0.0 68 1113 16 35 21 16 36 50 MG2016 19 55 24 43.9 171.5 -0.4 0.0 -22 1113 No stop 16 40 20 --- 19 58 54 43.9 172.7 -0.4 0.0 188 1140 16 36 51 16 41 00 J2018+0831 19 59 34 41.1 173.6 -0.3 0.0 18 1140 16 41 00 16 42 00 --- 20 00 35 41.1 173.9 -0.3 0.0 60 1148 16 41 01 16 42 00 MG2016 20 00 35 44.0 173.3 -0.3 0.0 -22 1148 No stop 16 45 30 --- 20 04 05 44.0 174.5 -0.3 0.0 188 1175 16 42 01 16 45 30 J2018+0831 20 04 05 41.1 175.1 -0.3 0.0 -22 1175 No stop 16 47 00 --- 20 05 35 41.1 175.6 -0.2 0.0 68 1186 16 45 31 16 47 00 MG2016 20 05 35 44.0 175.0 -0.2 0.0 -22 1186 No stop 16 50 30 --- 20 09 06 44.1 176.2 -0.2 0.0 188 1213 16 47 01 16 51 10 J2018+0831 20 09 46 41.2 176.9 -0.2 0.0 18 1213 16 51 10 16 52 10 --- 20 10 46 41.2 177.3 -0.1 0.0 60 1221 16 51 11 16 52 10 MG2016 20 10 46 44.1 176.8 -0.2 0.0 -22 1221 No stop 16 55 40 --- 20 14 17 44.1 178.0 -0.1 0.0 188 1248 16 52 11 16 55 40 J2018+0831 20 14 17 41.2 178.4 -0.1 0.0 -22 1248 No stop 16 57 10 --- 20 15 47 41.2 178.9 -0.1 0.0 68 1260 16 55 41 16 57 10 MG2016 20 15 47 44.1 178.5 -0.1 0.0 -22 1260 No stop 17 00 40 --- 20 19 18 44.1 179.7 -0.0 0.0 188 1287 16 57 11 17 01 20 J2018+0831 20 19 58 41.2 180.3 0.0 0.0 18 1287 17 01 20 17 02 20 --- 20 20 58 41.2 180.6 0.0 0.0 60 1295 17 01 21 17 02 20 MG2016 20 20 58 44.1 180.3 0.0 0.0 -22 1295 No stop 17 05 50 --- 20 24 28 44.1 181.5 0.1 0.0 188 1322 17 02 21 17 05 50 J2018+0831 20 24 28 41.2 181.8 0.1 0.0 -22 1322 No stop 17 07 20 --- 20 25 59 41.2 182.2 0.1 0.0 68 1333 17 05 51 17 07 20 MG2016 20 25 59 44.1 182.0 0.1 0.0 -22 1333 No stop 17 10 50 --- 20 29 29 44.1 183.2 0.2 0.0 188 1360 17 07 21 17 11 30 J2018+0831 20 30 09 41.2 183.6 0.2 0.0 18 1360 17 11 30 17 12 30 --- 20 31 10 41.1 184.0 0.2 0.0 60 1368 17 11 31 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 17 12 30 MG2016 20 31 10 44.1 183.7 0.2 0.0 -22 1368 No stop 17 16 00 --- 20 34 40 44.0 184.9 0.2 0.0 188 1395 17 12 31 17 16 00 J2018+0831 20 34 40 41.1 185.1 0.3 0.0 -22 1395 No stop 17 17 30 --- 20 36 10 41.1 185.6 0.3 0.0 68 1407 17 16 01 17 17 30 MG2016 20 36 10 44.0 185.4 0.3 0.0 -22 1407 No stop 17 21 00 --- 20 39 41 44.0 186.6 0.3 0.0 188 1434 17 17 31 17 21 40 J2018+0831 20 40 21 41.0 187.0 0.4 0.0 18 1434 17 21 40 17 22 40 --- 20 41 21 41.0 187.3 0.4 0.0 60 1441 17 21 41 17 22 40 MG2016 20 41 21 43.9 187.2 0.4 0.0 -22 1441 No stop 17 26 10 --- 20 44 52 43.9 188.4 0.4 0.0 188 1469 17 22 41 17 26 10 J2018+0831 20 44 52 40.9 188.4 0.4 0.0 -22 1469 No stop 17 27 40 --- 20 46 22 40.9 188.9 0.5 0.0 68 1480 17 26 11 17 27 40 MG2016 20 46 22 43.9 188.9 0.4 0.0 -22 1480 No stop 17 31 10 --- 20 49 53 43.8 190.1 0.5 0.0 188 1507 17 27 41 17 31 50 J2018+0831 20 50 33 40.8 190.3 0.5 0.0 18 1507 17 31 50 17 32 50 --- 20 51 33 40.8 190.6 0.5 0.0 60 1515 17 31 51 17 32 50 MG2016 20 51 33 43.7 190.6 0.5 0.0 -22 1515 No stop 17 36 20 --- 20 55 03 43.6 191.8 0.6 0.0 188 1542 17 32 51 17 36 20 J2018+0831 20 55 03 40.7 191.7 0.6 0.0 -22 1542 No stop 17 37 50 --- 20 56 34 40.7 192.2 0.6 0.0 68 1554 17 36 21 17 37 50 MG2016 20 56 34 43.6 192.3 0.6 0.0 -22 1554 No stop 17 41 20 --- 21 00 04 43.5 193.5 0.7 0.0 188 1581 17 37 51 17 42 00 J2018+0831 21 00 44 40.5 193.6 0.7 0.0 18 1581 17 42 00 17 43 00 --- 21 01 45 40.5 193.9 0.7 0.0 60 1588 17 42 01 17 43 00 MG2016 21 01 45 43.4 194.1 0.7 0.0 -22 1588 No stop 17 46 30 --- 21 05 15 43.3 195.2 0.8 0.0 188 1615 17 43 01 17 46 30 J2018+0831 21 05 15 40.4 195.0 0.8 0.0 -22 1615 No stop 17 48 00 --- 21 06 45 40.3 195.5 0.8 0.0 68 1627 17 46 31 17 48 00 MG2016 21 06 45 43.3 195.7 0.8 0.0 -22 1627 No stop 17 51 30 --- 21 10 16 43.1 196.9 0.8 0.0 188 1654 17 48 01 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 17 52 10 J2018+0831 21 10 56 40.2 196.9 0.9 0.0 18 1654 17 52 10 17 53 10 --- 21 11 56 40.1 197.2 0.9 0.0 60 1662 17 52 11 17 53 10 MG2016 21 11 56 43.1 197.5 0.9 0.0 -22 1662 No stop 17 56 40 --- 21 15 27 42.9 198.6 0.9 0.0 188 1689 17 53 11 17 56 40 J2018+0831 21 15 27 40.0 198.3 0.9 0.0 -22 1689 No stop 17 58 10 --- 21 16 57 39.9 198.8 1.0 0.0 68 1700 17 56 41 17 58 10 MG2016 21 16 57 42.9 199.1 0.9 0.0 -22 1700 No stop 18 01 40 --- 21 20 28 42.7 200.3 1.0 0.0 188 1727 17 58 11 18 02 20 J2018+0831 21 21 08 39.7 200.1 1.0 0.0 18 1727 18 02 20 18 03 20 --- 21 22 08 39.7 200.4 1.1 0.0 60 1735 18 02 21 18 03 20 MG2016 21 22 08 42.6 200.8 1.0 0.0 -22 1735 No stop 18 06 50 --- 21 25 38 42.4 202.0 1.1 0.0 188 1762 18 03 21 18 06 50 J2018+0831 21 25 38 39.5 201.5 1.1 0.0 -22 1762 No stop 18 08 20 --- 21 27 09 39.5 202.0 1.1 0.0 68 1774 18 06 51 18 08 20 MG2016 21 27 09 42.4 202.4 1.1 0.0 -22 1774 No stop 18 11 50 --- 21 30 39 42.2 203.6 1.2 0.0 188 1801 18 08 21 18 12 30 J2018+0831 21 31 19 39.2 203.3 1.2 0.0 18 1801 18 12 30 18 13 30 --- 21 32 20 39.2 203.6 1.2 0.0 60 1809 18 12 31 18 13 30 MG2016 21 32 20 42.1 204.1 1.2 0.0 -22 1809 No stop 18 17 00 --- 21 35 50 41.9 205.2 1.3 0.0 188 1836 18 13 31 18 17 00 J2018+0831 21 35 50 39.0 204.7 1.3 0.0 -22 1836 No stop 18 18 30 --- 21 37 20 38.9 205.2 1.3 0.0 68 1847 18 17 01 18 18 30 MG2016 21 37 20 41.8 205.7 1.3 0.0 -22 1847 No stop 18 22 00 --- 21 40 51 41.6 206.8 1.3 0.0 188 1874 18 18 31 18 22 40 J2018+0831 21 41 31 38.7 206.5 1.4 0.0 18 1874 18 22 40 18 23 40 --- 21 42 31 38.6 206.8 1.4 0.0 60 1882 18 22 41 18 23 40 MG2016 21 42 31 41.5 207.4 1.4 0.0 -22 1882 No stop 18 27 10 --- 21 46 02 41.3 208.5 1.4 0.0 188 1909 18 23 41 18 27 10 J2018+0831 21 46 02 38.4 207.8 1.4 0.0 -22 1909 No stop 18 28 40 --- 21 47 32 38.3 208.3 1.5 0.0 68 1921 18 27 11 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 18 28 40 MG2016 21 47 32 41.2 208.9 1.5 0.0 -22 1921 No stop 18 32 10 --- 21 51 03 40.9 210.0 1.5 0.0 188 1948 18 28 41 18 32 50 J2018+0831 21 51 43 38.0 209.6 1.5 0.0 18 1948 18 32 50 18 33 50 --- 21 52 43 37.9 209.9 1.6 0.0 60 1955 18 32 51 18 33 50 MG2016 21 52 43 40.8 210.6 1.5 0.0 -22 1955 No stop 18 37 20 --- 21 56 14 40.6 211.7 1.6 0.0 188 1983 18 33 51 18 37 20 J2018+0831 21 56 14 37.7 210.9 1.6 0.0 -22 1983 No stop 18 38 50 --- 21 57 44 37.6 211.4 1.6 0.0 68 1994 18 37 21 18 38 50 MG2016 21 57 44 40.5 212.1 1.6 0.0 -22 1994 No stop 18 42 20 --- 22 01 14 40.2 213.2 1.7 0.0 188 2021 18 38 51 18 43 00 J2018+0831 22 01 54 37.3 212.6 1.7 0.0 18 2021 18 43 00 18 44 00 --- 22 02 55 37.2 212.9 1.7 0.0 60 2029 18 43 01 18 44 00 MG2016 22 02 55 40.1 213.7 1.7 0.0 -22 2029 No stop 18 47 30 --- 22 06 25 39.8 214.8 1.8 0.0 188 2056 18 44 01 18 47 30 J2018+0831 22 06 25 37.0 213.9 1.8 0.0 -22 2056 No stop 18 49 00 --- 22 07 55 36.9 214.4 1.8 0.0 68 2068 18 47 31 18 49 00 MG2016 22 07 55 39.7 215.2 1.8 0.0 -22 2068 No stop 18 52 30 --- 22 11 26 39.4 216.3 1.9 0.0 188 2095 18 49 01 18 53 10 J2018+0831 22 12 06 36.5 215.6 1.9 0.0 18 2095 18 53 10 18 54 10 --- 22 13 06 36.5 215.9 1.9 0.0 60 2102 18 53 11 18 54 10 MG2016 22 13 06 39.3 216.8 1.9 0.0 -22 2102 No stop 18 57 40 --- 22 16 37 39.0 217.8 1.9 0.0 188 2129 18 54 11 18 57 40 J2018+0831 22 16 37 36.2 216.9 2.0 0.0 -22 2129 No stop 18 59 10 --- 22 18 07 36.1 217.4 2.0 0.0 68 2141 18 57 41 18 59 10 MG2016 22 18 07 38.9 218.3 2.0 0.0 -22 2141 No stop 19 02 40 --- 22 21 38 38.6 219.3 2.0 0.0 188 2168 18 59 11 19 03 20 J2018+0831 22 22 18 35.7 218.6 2.1 0.0 18 2168 19 03 20 19 04 20 --- 22 23 18 35.6 218.8 2.1 0.0 60 2176 19 03 21 19 04 20 MG2016 22 23 18 38.5 219.8 2.1 0.0 -22 2176 No stop 19 07 50 --- 22 26 49 38.2 220.8 2.1 0.0 188 2203 19 04 21 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 19 07 50 J2018+0831 22 26 49 35.3 219.8 2.1 0.0 -22 2203 No stop 19 09 20 --- 22 28 19 35.2 220.3 2.2 0.0 68 2214 19 07 51 19 09 20 MG2016 22 28 19 38.0 221.3 2.1 0.0 -22 2214 No stop 19 12 50 --- 22 31 49 37.7 222.3 2.2 0.0 188 2241 19 09 21 19 13 30 J2018+0831 22 32 29 34.8 221.5 2.2 0.0 18 2241 19 13 30 19 14 30 --- 22 33 30 34.7 221.7 2.2 0.0 60 2249 19 13 31 19 14 30 MG2016 22 33 30 37.5 222.8 2.2 0.0 -22 2249 No stop 19 18 00 --- 22 37 00 37.2 223.8 2.3 0.0 188 2276 19 14 31 19 18 00 J2018+0831 22 37 00 34.4 222.7 2.3 0.0 -22 2276 No stop 19 19 30 --- 22 38 30 34.3 223.1 2.3 0.0 68 2288 19 18 01 19 19 30 MG2016 22 38 30 37.1 224.2 2.3 0.0 -22 2288 No stop 19 23 00 --- 22 42 01 36.8 225.2 2.4 0.0 188 2315 19 19 31 19 23 40 J2018+0831 22 42 41 33.9 224.3 2.4 0.0 18 2315 19 23 40 19 24 40 --- 22 43 41 33.8 224.6 2.4 0.0 60 2323 19 23 41 19 24 40 MG2016 22 43 41 36.6 225.6 2.4 0.0 -22 2323 No stop 19 28 10 --- 22 47 12 36.3 226.6 2.4 0.0 188 2350 19 24 41 19 28 10 J2018+0831 22 47 12 33.5 225.5 2.5 0.0 -22 2350 No stop 19 29 40 --- 22 48 42 33.3 225.9 2.5 0.0 68 2361 19 28 11 19 29 40 MG2016 22 48 42 36.1 227.0 2.5 0.0 -22 2361 No stop 19 33 10 --- 22 52 13 35.8 228.0 2.5 0.0 188 2388 19 29 41 19 33 50 J2018+0831 22 52 53 32.9 227.1 2.6 0.0 18 2388 19 33 50 19 34 50 --- 22 53 53 32.8 227.3 2.6 0.0 60 2396 19 33 51 19 34 50 MG2016 22 53 53 35.6 228.5 2.6 0.0 -22 2396 No stop 19 38 20 --- 22 57 24 35.2 229.4 2.6 0.0 188 2423 19 34 51 19 38 20 J2018+0831 22 57 24 32.5 228.3 2.6 0.0 -22 2423 No stop 19 39 50 --- 22 58 54 32.3 228.7 2.7 0.0 68 2435 19 38 21 19 39 50 MG2016 22 58 54 35.1 229.8 2.6 0.0 -22 2435 No stop 19 43 20 --- 23 02 24 34.7 230.8 2.7 0.0 188 2462 19 39 51 19 44 00 J2018+0831 23 03 04 31.9 229.8 2.7 0.0 18 2462 19 44 00 19 45 00 --- 23 04 05 31.8 230.1 2.7 0.0 60 2469 19 44 01 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 19 45 00 MG2016 23 04 05 34.5 231.2 2.7 0.0 -22 2469 No stop 19 48 30 --- 23 07 35 34.2 232.2 2.8 0.0 188 2497 19 45 01 19 48 30 J2018+0831 23 07 35 31.4 231.0 2.8 0.0 -22 2497 No stop 19 50 00 --- 23 09 05 31.3 231.4 2.8 0.0 68 2508 19 48 31 19 50 00 MG2016 23 09 05 34.0 232.6 2.8 0.0 -22 2508 No stop 19 53 30 --- 23 12 36 33.6 233.5 2.9 0.0 188 2535 19 50 01 19 54 10 J2018+0831 23 13 16 30.8 232.5 2.9 0.0 18 2535 19 54 10 19 55 10 --- 23 14 16 30.7 232.7 2.9 0.0 60 2543 19 54 11 19 55 10 MG2016 23 14 16 33.4 234.0 2.9 0.0 -22 2543 No stop 19 58 40 --- 23 17 47 33.1 234.9 3.0 0.0 188 2570 19 55 11 19 58 40 J2018+0831 23 17 47 30.3 233.6 3.0 0.0 -22 2570 No stop 20 00 10 --- 23 19 17 30.2 234.0 3.0 0.0 68 2582 19 58 41 20 00 10 MG2016 23 19 17 32.9 235.3 3.0 0.0 -22 2582 No stop 20 03 40 --- 23 22 48 32.5 236.2 3.0 0.0 188 2609 20 00 11 20 04 20 J2018+0831 23 23 28 29.7 235.1 3.1 0.0 18 2609 20 04 20 20 05 20 --- 23 24 28 29.6 235.3 3.1 0.0 60 2616 20 04 21 20 05 20 MG2016 23 24 28 32.3 236.6 3.1 0.0 -22 2616 No stop 20 08 50 --- 23 27 59 31.9 237.5 3.1 0.0 188 2643 20 05 21 20 08 50 J2018+0831 23 27 59 29.2 236.2 3.1 0.0 -22 2643 No stop 20 10 20 --- 23 29 29 29.0 236.6 3.2 0.0 68 2655 20 08 51 20 10 20 MG2016 23 29 29 31.7 237.9 3.2 0.0 -22 2655 No stop 20 13 50 --- 23 32 59 31.3 238.8 3.2 0.0 188 2682 20 10 21 20 14 30 J2018+0831 23 33 39 28.6 237.7 3.2 0.0 18 2682 20 14 30 20 15 30 --- 23 34 40 28.4 237.9 3.3 0.0 60 2690 20 14 31 20 15 30 MG2016 23 34 40 31.2 239.2 3.2 0.0 -22 2690 No stop 20 19 00 --- 23 38 10 30.7 240.1 3.3 0.0 188 2717 20 15 31 20 19 00 J2018+0831 23 38 10 28.0 238.8 3.3 0.0 -22 2717 No stop 20 20 30 --- 23 39 40 27.9 239.1 3.3 0.0 68 2728 20 19 01 20 20 30 MG2016 23 39 40 30.6 240.5 3.3 0.0 -22 2728 No stop 20 24 00 --- 23 43 11 30.2 241.3 3.4 0.0 188 2755 20 20 31 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 ---------------------------------------------------------------------------------------- --- Tue 29 Oct 2019 Day 302 --- 20 24 40 J2018+0831 23 43 51 27.4 240.2 3.4 0.0 18 2755 20 24 40 20 25 40 --- 23 44 51 27.3 240.4 3.4 0.0 60 2763 20 24 41 20 25 40 MG2016 23 44 51 30.0 241.7 3.4 0.0 -22 2763 No stop 20 29 10 --- 23 48 22 29.5 242.6 3.5 0.0 188 2790 20 25 41 20 29 10 J2018+0831 23 48 22 26.9 241.3 3.5 0.0 -22 2790 No stop 20 30 40 --- 23 49 52 26.7 241.6 3.5 0.0 68 2802 20 29 11 20 30 40 MG2016 23 49 52 29.4 243.0 3.5 0.0 -22 2802 No stop 20 34 10 --- 23 53 23 28.9 243.8 3.6 0.0 188 2829 20 30 41 20 34 50 J2018+0831 23 54 03 26.2 242.7 3.6 0.0 18 2829 20 34 50 20 35 50 --- 23 55 03 26.1 242.9 3.6 0.0 60 2837 20 34 51 20 35 50 MG2016 23 55 03 28.7 244.2 3.6 0.0 -22 2837 No stop 20 39 20 --- 23 58 34 28.3 245.1 3.6 0.0 188 2864 20 35 51 20 40 00 J2018+0831 23 59 14 25.6 243.9 3.7 0.0 18 2864 20 40 00 20 41 00 --- 00 00 14 25.4 244.1 3.7 0.0 60 2871 20 40 01 20 41 00 MG2016 00 00 14 28.1 245.5 3.7 0.0 -22 2871 No stop 20 44 30 --- 00 03 44 27.7 246.3 3.7 0.0 188 2898 20 41 01 20 45 10 J2018+0831 00 04 25 24.9 245.1 3.8 0.0 18 2898 20 45 10 20 46 10 --- 00 05 25 24.8 245.4 3.8 0.0 60 2906 20 45 11 20 46 10 MG2016 00 05 25 27.5 246.7 3.8 0.0 -22 2906 No stop 20 49 40 --- 00 08 55 27.0 247.6 3.8 0.0 188 2933 20 46 11 20 49 40 J2018+0831 00 08 55 24.4 246.2 3.8 0.0 -22 2933 No stop 20 51 10 --- 00 10 25 24.2 246.6 3.9 0.0 68 2945 20 49 41 20 51 10 MG2016 00 10 25 26.8 247.9 3.8 0.0 -22 2945 No stop 20 54 40 --- 00 13 56 26.4 248.8 3.9 0.0 188 2972 20 51 11 20 55 20 J2018+0831 00 14 36 23.7 247.5 3.9 0.0 18 2972 20 55 20 20 56 20 --- 00 15 36 23.5 247.8 3.9 0.0 60 2980 20 55 21 20 56 20 MG2016 00 15 36 26.2 249.1 3.9 0.0 -22 2980 No stop 20 59 50 --- 00 19 07 25.7 250.0 4.0 0.0 188 3007 20 56 21 20 59 50 J2018+0831 00 19 07 23.1 248.6 4.0 0.0 -22 3007 No stop 21 01 20 --- 00 20 37 22.9 248.9 4.0 0.0 68 3018 20 59 51 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: 19 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 13.506927 0.00 11 17 44.97966 * 11 27 13.00000 11 31 07.98419 0.00 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606162 * 16 42 58.809900 16 43 36.712857 0.00 39 54 10.81394 * 39 48 36.99300 39 46 42.12824 0.00 From catalog imbedded in main SCHED input file. * J2018+0831 20 15 45.733430 * 20 18 11.311946 20 19 07.828310 0.00 08 22 30.62230 * 08 31 54.54739 08 35 47.07174 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 + 12.075 581.686 3C345 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 15 + 0.392 14.779 J2018+0831 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 15 + 4.458 200.004 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 93.9 3C345 63.5 J2018+0831 92.9 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