COVER INFORMATION Station: WSTRBORK (Code Wb ) 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 WSTRBORK (Code Wb ) 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: 305.25 305.25 305.25 305.25 369.25 369.25 369.25 369.25 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 13 44 30 3C345 16 29 28 76.6 168.2 -0.2 0.0 0 0 13 44 30 13 49 30 --- 16 34 29 76.8 172.3 -0.2 0.0 300 39 13 44 31 13 53 00 J2018+0831 16 37 59 27.3 113.8 -3.7 0.0 20 39 13 53 00 13 54 00 --- 16 39 00 27.4 114.1 -3.7 0.0 60 46 13 53 01 13 54 00 MG2016 16 39 00 29.7 111.9 -3.7 0.0 -23 46 No stop 13 57 30 --- 16 42 30 30.2 112.8 -3.6 0.0 187 73 13 54 01 13 57 30 J2018+0831 16 42 30 27.9 114.9 -3.6 0.0 -23 73 No stop 13 59 00 --- 16 44 00 28.1 115.2 -3.6 0.0 67 85 13 57 31 13 59 00 MG2016 16 44 00 30.4 113.1 -3.6 0.0 -23 85 No stop 14 02 30 --- 16 47 31 30.9 113.9 -3.5 0.0 187 112 13 59 01 14 03 10 J2018+0831 16 48 11 28.7 116.2 -3.5 0.0 17 112 14 03 10 14 04 10 --- 16 49 11 28.8 116.5 -3.5 0.0 60 120 14 03 11 14 04 10 MG2016 16 49 11 31.1 114.3 -3.5 0.0 -23 120 No stop 14 07 40 --- 16 52 42 31.6 115.2 -3.5 0.0 187 147 14 04 11 14 07 40 J2018+0831 16 52 42 29.3 117.3 -3.4 0.0 -23 147 No stop 14 09 10 --- 16 54 12 29.5 117.6 -3.4 0.0 67 158 14 07 41 14 09 10 MG2016 16 54 12 31.8 115.5 -3.4 0.0 -23 158 No stop 14 12 40 --- 16 57 43 32.3 116.4 -3.4 0.0 187 185 14 09 11 14 13 20 J2018+0831 16 58 23 30.1 118.6 -3.3 0.0 17 185 14 13 20 14 14 20 --- 16 59 23 30.2 118.9 -3.3 0.0 60 193 14 13 21 14 14 20 MG2016 16 59 23 32.5 116.8 -3.3 0.0 -23 193 No stop 14 17 50 --- 17 02 53 33.0 117.6 -3.3 0.0 187 220 14 14 21 14 17 50 J2018+0831 17 02 53 30.7 119.7 -3.3 0.0 -23 220 No stop 14 19 20 --- 17 04 24 30.9 120.1 -3.2 0.0 67 232 14 17 51 14 19 20 MG2016 17 04 24 33.2 118.0 -3.3 0.0 -23 232 No stop 14 22 50 --- 17 07 54 33.6 118.9 -3.2 0.0 187 259 14 19 21 14 23 30 J2018+0831 17 08 34 31.4 121.1 -3.2 0.0 17 259 14 23 30 14 24 30 --- 17 09 35 31.5 121.4 -3.2 0.0 60 267 14 23 31 Schedule for WSTRBORK (Code Wb ) 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 09 35 33.9 119.3 -3.2 0.0 -23 267 No stop 14 28 00 --- 17 13 05 34.3 120.2 -3.1 0.0 187 294 14 24 31 14 28 00 J2018+0831 17 13 05 32.0 122.3 -3.1 0.0 -23 294 No stop 14 29 30 --- 17 14 35 32.2 122.6 -3.1 0.0 67 305 14 28 01 14 29 30 MG2016 17 14 35 34.5 120.5 -3.1 0.0 -23 305 No stop 14 33 00 --- 17 18 06 35.0 121.4 -3.0 0.0 187 332 14 29 31 14 33 40 J2018+0831 17 18 46 32.7 123.7 -3.0 0.0 17 332 14 33 40 14 34 40 --- 17 19 46 32.8 123.9 -3.0 0.0 60 340 14 33 41 14 34 40 MG2016 17 19 46 35.2 121.8 -3.0 0.0 -23 340 No stop 14 38 10 --- 17 23 17 35.6 122.7 -2.9 0.0 187 367 14 34 41 14 38 10 J2018+0831 17 23 17 33.3 124.8 -2.9 0.0 -23 367 No stop 14 39 40 --- 17 24 47 33.4 125.2 -2.9 0.0 67 379 14 38 11 14 39 40 MG2016 17 24 47 35.8 123.1 -2.9 0.0 -23 379 No stop 14 43 10 --- 17 28 18 36.3 124.0 -2.9 0.0 187 406 14 39 41 14 43 50 J2018+0831 17 28 58 34.0 126.3 -2.8 0.0 17 406 14 43 50 14 44 50 --- 17 29 58 34.1 126.6 -2.8 0.0 60 414 14 43 51 14 44 50 MG2016 17 29 58 36.5 124.5 -2.8 0.0 -23 414 No stop 14 48 20 --- 17 33 28 36.9 125.4 -2.8 0.0 187 441 14 44 51 14 48 20 J2018+0831 17 33 28 34.5 127.5 -2.8 0.0 -23 441 No stop 14 49 50 --- 17 34 59 34.7 127.9 -2.7 0.0 67 452 14 48 21 14 49 50 MG2016 17 34 59 37.1 125.8 -2.8 0.0 -23 452 No stop 14 53 20 --- 17 38 29 37.5 126.8 -2.7 0.0 187 479 14 49 51 14 54 00 J2018+0831 17 39 09 35.2 129.0 -2.7 0.0 17 479 14 54 00 14 55 00 --- 17 40 10 35.3 129.2 -2.6 0.0 60 487 14 54 01 14 55 00 MG2016 17 40 10 37.7 127.2 -2.7 0.0 -23 487 No stop 14 58 30 --- 17 43 40 38.1 128.2 -2.6 0.0 187 514 14 55 01 14 58 30 J2018+0831 17 43 40 35.7 130.2 -2.6 0.0 -23 514 No stop 15 00 00 --- 17 45 10 35.9 130.6 -2.6 0.0 67 526 14 58 31 15 00 00 MG2016 17 45 10 38.3 128.6 -2.6 0.0 -23 526 No stop 15 03 30 --- 17 48 41 38.7 129.5 -2.5 0.0 187 553 15 00 01 Schedule for WSTRBORK (Code Wb ) 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 17 49 21 36.3 131.7 -2.5 0.0 17 553 15 04 10 15 05 10 --- 17 50 21 36.5 132.0 -2.5 0.0 60 560 15 04 11 15 05 10 MG2016 17 50 21 38.9 130.0 -2.5 0.0 -23 560 No stop 15 08 40 --- 17 53 52 39.3 131.0 -2.4 0.0 187 587 15 05 11 15 08 40 J2018+0831 17 53 52 36.8 133.0 -2.4 0.0 -23 587 No stop 15 10 10 --- 17 55 22 37.0 133.4 -2.4 0.0 67 599 15 08 41 15 10 10 MG2016 17 55 22 39.5 131.4 -2.4 0.0 -23 599 No stop 15 13 40 --- 17 58 53 39.9 132.4 -2.4 0.0 187 626 15 10 11 15 14 20 J2018+0831 17 59 33 37.5 134.5 -2.3 0.0 17 626 15 14 20 15 15 20 --- 18 00 33 37.6 134.8 -2.3 0.0 60 634 15 14 21 15 15 20 MG2016 18 00 33 40.1 132.9 -2.3 0.0 -23 634 No stop 15 18 50 --- 18 04 04 40.5 133.9 -2.3 0.0 187 661 15 15 21 15 18 50 J2018+0831 18 04 04 37.9 135.8 -2.3 0.0 -23 661 No stop 15 20 20 --- 18 05 34 38.1 136.2 -2.2 0.0 67 672 15 18 51 15 20 20 MG2016 18 05 34 40.6 134.3 -2.2 0.0 -23 672 No stop 15 23 50 --- 18 09 04 41.0 135.3 -2.2 0.0 187 699 15 20 21 15 24 30 J2018+0831 18 09 44 38.5 137.4 -2.2 0.0 17 699 15 24 30 15 25 30 --- 18 10 45 38.6 137.7 -2.1 0.0 60 707 15 24 31 15 25 30 MG2016 18 10 45 41.2 135.8 -2.2 0.0 -23 707 No stop 15 29 00 --- 18 14 15 41.5 136.9 -2.1 0.0 187 734 15 25 31 15 29 00 J2018+0831 18 14 15 39.0 138.8 -2.1 0.0 -23 734 No stop 15 30 30 --- 18 15 45 39.1 139.2 -2.1 0.0 67 746 15 29 01 15 30 30 MG2016 18 15 45 41.7 137.3 -2.1 0.0 -23 746 No stop 15 34 00 --- 18 19 16 42.0 138.4 -2.0 0.0 187 773 15 30 31 15 34 40 J2018+0831 18 19 56 39.5 140.4 -2.0 0.0 17 773 15 34 40 15 35 40 --- 18 20 56 39.6 140.7 -2.0 0.0 60 781 15 34 41 15 35 40 MG2016 18 20 56 42.2 138.9 -2.0 0.0 -23 781 No stop 15 39 10 --- 18 24 27 42.6 139.9 -1.9 0.0 187 808 15 35 41 15 39 10 J2018+0831 18 24 27 40.0 141.8 -1.9 0.0 -23 808 No stop 15 40 40 --- 18 25 57 40.1 142.2 -1.9 0.0 67 819 15 39 11 Schedule for WSTRBORK (Code Wb ) 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 25 57 42.7 140.4 -1.9 0.0 -23 819 No stop 15 44 10 --- 18 29 28 43.0 141.5 -1.8 0.0 187 846 15 40 41 15 44 50 J2018+0831 18 30 08 40.5 143.5 -1.8 0.0 17 846 15 44 50 15 45 50 --- 18 31 08 40.6 143.8 -1.8 0.0 60 854 15 44 51 15 45 50 MG2016 18 31 08 43.2 142.0 -1.8 0.0 -23 854 No stop 15 49 20 --- 18 34 39 43.5 143.1 -1.8 0.0 187 881 15 45 51 15 49 20 J2018+0831 18 34 39 40.9 144.8 -1.7 0.0 -23 881 No stop 15 50 50 --- 18 36 09 41.0 145.3 -1.7 0.0 67 893 15 49 21 15 50 50 MG2016 18 36 09 43.7 143.6 -1.7 0.0 -23 893 No stop 15 54 20 --- 18 39 39 44.0 144.7 -1.7 0.0 187 920 15 50 51 15 55 00 J2018+0831 18 40 19 41.4 146.6 -1.6 0.0 17 920 15 55 00 15 56 00 --- 18 41 20 41.5 146.9 -1.6 0.0 60 927 15 55 01 15 56 00 MG2016 18 41 20 44.1 145.2 -1.6 0.0 -23 927 No stop 15 59 30 --- 18 44 50 44.4 146.3 -1.6 0.0 187 955 15 56 01 15 59 30 J2018+0831 18 44 50 41.7 148.0 -1.6 0.0 -23 955 No stop 16 01 00 --- 18 46 20 41.9 148.5 -1.5 0.0 67 966 15 59 31 16 01 00 MG2016 18 46 20 44.5 146.8 -1.6 0.0 -23 966 No stop 16 04 30 --- 18 49 51 44.8 147.9 -1.5 0.0 187 993 16 01 01 16 05 10 J2018+0831 18 50 31 42.2 149.8 -1.5 0.0 17 993 16 05 10 16 06 10 --- 18 51 31 42.3 150.1 -1.5 0.0 60 1001 16 05 11 16 06 10 MG2016 18 51 31 44.9 148.5 -1.5 0.0 -23 1001 No stop 16 09 40 --- 18 55 02 45.2 149.7 -1.4 0.0 187 1028 16 06 11 16 09 40 J2018+0831 18 55 02 42.5 151.2 -1.4 0.0 -23 1028 No stop 16 11 10 --- 18 56 32 42.6 151.7 -1.4 0.0 67 1040 16 09 41 16 11 10 MG2016 18 56 32 45.3 150.1 -1.4 0.0 -23 1040 No stop 16 14 40 --- 19 00 03 45.6 151.3 -1.3 0.0 187 1067 16 11 11 16 15 20 J2018+0831 19 00 43 42.9 153.1 -1.3 0.0 17 1067 16 15 20 16 16 20 --- 19 01 43 43.0 153.4 -1.3 0.0 60 1074 16 15 21 16 16 20 MG2016 19 01 43 45.7 151.9 -1.3 0.0 -23 1074 No stop 16 19 50 --- 19 05 14 46.0 153.1 -1.3 0.0 187 1101 16 16 21 Schedule for WSTRBORK (Code Wb ) 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 05 14 43.2 154.5 -1.2 0.0 -23 1101 No stop 16 21 20 --- 19 06 44 43.3 155.0 -1.2 0.0 67 1113 16 19 51 16 21 20 MG2016 19 06 44 46.1 153.6 -1.2 0.0 -23 1113 No stop 16 24 50 --- 19 10 14 46.3 154.8 -1.2 0.0 187 1140 16 21 21 16 25 30 J2018+0831 19 10 54 43.6 156.4 -1.1 0.0 17 1140 16 25 30 16 26 30 --- 19 11 55 43.6 156.7 -1.1 0.0 60 1148 16 25 31 16 26 30 MG2016 19 11 55 46.4 155.3 -1.1 0.0 -23 1148 No stop 16 30 00 --- 19 15 25 46.6 156.5 -1.1 0.0 187 1175 16 26 31 16 30 00 J2018+0831 19 15 25 43.8 157.9 -1.1 0.0 -23 1175 No stop 16 31 30 --- 19 16 55 43.9 158.4 -1.0 0.0 67 1186 16 30 01 16 31 30 MG2016 19 16 55 46.7 157.1 -1.1 0.0 -23 1186 No stop 16 35 00 --- 19 20 26 46.9 158.3 -1.0 0.0 187 1213 16 31 31 16 35 40 J2018+0831 19 21 06 44.1 159.8 -1.0 0.0 17 1213 16 35 40 16 36 40 --- 19 22 06 44.2 160.1 -1.0 0.0 60 1221 16 35 41 16 36 40 MG2016 19 22 06 47.0 158.9 -1.0 0.0 -23 1221 No stop 16 40 10 --- 19 25 37 47.2 160.1 -0.9 0.0 187 1248 16 36 41 16 40 10 J2018+0831 19 25 37 44.4 161.3 -0.9 0.0 -23 1248 No stop 16 41 40 --- 19 27 07 44.4 161.8 -0.9 0.0 67 1260 16 40 11 16 41 40 MG2016 19 27 07 47.3 160.6 -0.9 0.0 -23 1260 No stop 16 45 10 --- 19 30 38 47.4 161.9 -0.8 0.0 187 1287 16 41 41 16 45 50 J2018+0831 19 31 18 44.6 163.3 -0.8 0.0 17 1287 16 45 50 16 46 50 --- 19 32 18 44.7 163.6 -0.8 0.0 60 1295 16 45 51 16 46 50 MG2016 19 32 18 47.5 162.5 -0.8 0.0 -23 1295 No stop 16 50 20 --- 19 35 49 47.7 163.7 -0.7 0.0 187 1322 16 46 51 16 50 20 J2018+0831 19 35 49 44.8 164.8 -0.7 0.0 -23 1322 No stop 16 51 50 --- 19 37 19 44.9 165.3 -0.7 0.0 67 1333 16 50 21 16 51 50 MG2016 19 37 19 47.7 164.3 -0.7 0.0 -23 1333 No stop 16 55 20 --- 19 40 49 47.9 165.5 -0.7 0.0 187 1360 16 51 51 16 56 00 J2018+0831 19 41 29 45.0 166.8 -0.6 0.0 17 1360 16 56 00 16 57 00 --- 19 42 30 45.1 167.1 -0.6 0.0 60 1368 16 56 01 Schedule for WSTRBORK (Code Wb ) 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 19 42 30 47.9 166.1 -0.6 0.0 -23 1368 No stop 17 00 30 --- 19 46 00 48.0 167.4 -0.6 0.0 187 1395 16 57 01 17 00 30 J2018+0831 19 46 00 45.2 168.3 -0.6 0.0 -23 1395 No stop 17 02 00 --- 19 47 30 45.2 168.9 -0.5 0.0 67 1407 17 00 31 17 02 00 MG2016 19 47 30 48.1 168.0 -0.5 0.0 -23 1407 No stop 17 05 30 --- 19 51 01 48.2 169.2 -0.5 0.0 187 1434 17 02 01 17 06 10 J2018+0831 19 51 41 45.3 170.3 -0.5 0.0 17 1434 17 06 10 17 07 10 --- 19 52 41 45.4 170.7 -0.4 0.0 60 1441 17 06 11 17 07 10 MG2016 19 52 41 48.2 169.8 -0.5 0.0 -23 1441 No stop 17 10 40 --- 19 56 12 48.3 171.1 -0.4 0.0 187 1469 17 07 11 17 10 40 J2018+0831 19 56 12 45.4 171.9 -0.4 0.0 -23 1469 No stop 17 12 10 --- 19 57 42 45.5 172.4 -0.4 0.0 67 1480 17 10 41 17 12 10 MG2016 19 57 42 48.4 171.7 -0.4 0.0 -23 1480 No stop 17 15 40 --- 20 01 13 48.4 173.0 -0.3 0.0 187 1507 17 12 11 17 16 20 J2018+0831 20 01 53 45.5 173.9 -0.3 0.0 17 1507 17 16 20 17 17 20 --- 20 02 53 45.6 174.3 -0.3 0.0 60 1515 17 16 21 17 17 20 MG2016 20 02 53 48.5 173.6 -0.3 0.0 -23 1515 No stop 17 20 50 --- 20 06 24 48.5 174.9 -0.2 0.0 187 1542 17 17 21 17 20 50 J2018+0831 20 06 24 45.6 175.5 -0.2 0.0 -23 1542 No stop 17 22 20 --- 20 07 54 45.6 176.0 -0.2 0.0 67 1554 17 20 51 17 22 20 MG2016 20 07 54 48.5 175.4 -0.2 0.0 -23 1554 No stop 17 25 50 --- 20 11 24 48.6 176.7 -0.1 0.0 187 1581 17 22 21 17 26 30 J2018+0831 20 12 04 45.7 177.5 -0.1 0.0 17 1581 17 26 30 17 27 30 --- 20 13 05 45.7 177.9 -0.1 0.0 60 1588 17 26 31 17 27 30 MG2016 20 13 05 48.6 177.4 -0.1 0.0 -23 1588 No stop 17 31 00 --- 20 16 35 48.6 178.7 -0.1 0.0 187 1615 17 27 31 17 31 00 J2018+0831 20 16 35 45.7 179.1 -0.0 0.0 -23 1615 No stop 17 32 30 --- 20 18 05 45.7 179.6 -0.0 0.0 67 1627 17 31 01 17 32 30 MG2016 20 18 05 48.6 179.2 -0.0 0.0 -23 1627 No stop 17 36 00 --- 20 21 36 48.6 180.5 0.0 0.0 187 1654 17 32 31 Schedule for WSTRBORK (Code Wb ) 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 22 16 45.7 181.1 0.1 0.0 17 1654 17 36 40 17 37 40 --- 20 23 16 45.7 181.5 0.1 0.0 60 1662 17 36 41 17 37 40 MG2016 20 23 16 48.6 181.1 0.1 0.0 -23 1662 No stop 17 41 10 --- 20 26 47 48.6 182.4 0.1 0.0 187 1689 17 37 41 17 41 10 J2018+0831 20 26 47 45.7 182.7 0.1 0.0 -23 1689 No stop 17 42 40 --- 20 28 17 45.6 183.2 0.2 0.0 67 1700 17 41 11 17 42 40 MG2016 20 28 17 48.6 183.0 0.1 0.0 -23 1700 No stop 17 46 10 --- 20 31 48 48.5 184.3 0.2 0.0 187 1727 17 42 41 17 46 50 J2018+0831 20 32 28 45.6 184.7 0.2 0.0 17 1727 17 46 50 17 47 50 --- 20 33 28 45.6 185.1 0.2 0.0 60 1735 17 46 51 17 47 50 MG2016 20 33 28 48.5 184.9 0.2 0.0 -23 1735 No stop 17 51 20 --- 20 36 59 48.5 186.2 0.3 0.0 187 1762 17 47 51 17 51 20 J2018+0831 20 36 59 45.5 186.3 0.3 0.0 -23 1762 No stop 17 52 50 --- 20 38 29 45.5 186.8 0.3 0.0 67 1774 17 51 21 17 52 50 MG2016 20 38 29 48.4 186.7 0.3 0.0 -23 1774 No stop 17 56 20 --- 20 41 59 48.4 188.0 0.4 0.0 187 1801 17 52 51 17 57 00 J2018+0831 20 42 39 45.4 188.3 0.4 0.0 17 1801 17 57 00 17 58 00 --- 20 43 40 45.4 188.7 0.4 0.0 60 1809 17 57 01 17 58 00 MG2016 20 43 40 48.3 188.7 0.4 0.0 -23 1809 No stop 18 01 30 --- 20 47 10 48.3 189.9 0.4 0.0 187 1836 17 58 01 18 01 30 J2018+0831 20 47 10 45.3 189.9 0.5 0.0 -23 1836 No stop 18 03 00 --- 20 48 40 45.3 190.4 0.5 0.0 67 1847 18 01 31 18 03 00 MG2016 20 48 40 48.2 190.5 0.5 0.0 -23 1847 No stop 18 06 30 --- 20 52 11 48.1 191.8 0.5 0.0 187 1874 18 03 01 18 07 10 J2018+0831 20 52 51 45.2 191.9 0.6 0.0 17 1874 18 07 10 18 08 10 --- 20 53 51 45.1 192.2 0.6 0.0 60 1882 18 07 11 18 08 10 MG2016 20 53 51 48.1 192.4 0.6 0.0 -23 1882 No stop 18 11 40 --- 20 57 22 47.9 193.6 0.6 0.0 187 1909 18 08 11 18 11 40 J2018+0831 20 57 22 45.0 193.4 0.6 0.0 -23 1909 No stop 18 13 10 --- 20 58 52 45.0 193.9 0.7 0.0 67 1921 18 11 41 Schedule for WSTRBORK (Code Wb ) 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 20 58 52 47.9 194.2 0.6 0.0 -23 1921 No stop 18 16 40 --- 21 02 23 47.7 195.5 0.7 0.0 187 1948 18 13 11 18 17 20 J2018+0831 21 03 03 44.8 195.4 0.7 0.0 17 1948 18 17 20 18 18 20 --- 21 04 03 44.8 195.7 0.7 0.0 60 1955 18 17 21 18 18 20 MG2016 21 04 03 47.7 196.1 0.7 0.0 -23 1955 No stop 18 21 50 --- 21 07 34 47.5 197.3 0.8 0.0 187 1983 18 18 21 18 21 50 J2018+0831 21 07 34 44.6 196.9 0.8 0.0 -23 1983 No stop 18 23 20 --- 21 09 04 44.5 197.4 0.8 0.0 67 1994 18 21 51 18 23 20 MG2016 21 09 04 47.5 197.8 0.8 0.0 -23 1994 No stop 18 26 50 --- 21 12 34 47.3 199.1 0.9 0.0 187 2021 18 23 21 18 27 30 J2018+0831 21 13 14 44.3 198.9 0.9 0.0 17 2021 18 27 30 18 28 30 --- 21 14 15 44.3 199.2 0.9 0.0 60 2029 18 27 31 18 28 30 MG2016 21 14 15 47.2 199.7 0.9 0.0 -23 2029 No stop 18 32 00 --- 21 17 45 47.0 200.9 1.0 0.0 187 2056 18 28 31 18 32 00 J2018+0831 21 17 45 44.1 200.4 1.0 0.0 -23 2056 No stop 18 33 30 --- 21 19 15 44.0 200.9 1.0 0.0 67 2068 18 32 01 18 33 30 MG2016 21 19 15 46.9 201.4 1.0 0.0 -23 2068 No stop 18 37 00 --- 21 22 46 46.7 202.7 1.0 0.0 187 2095 18 33 31 18 37 40 J2018+0831 21 23 26 43.8 202.3 1.1 0.0 17 2095 18 37 40 18 38 40 --- 21 24 26 43.7 202.6 1.1 0.0 60 2102 18 37 41 18 38 40 MG2016 21 24 26 46.6 203.2 1.1 0.0 -23 2102 No stop 18 42 10 --- 21 27 57 46.4 204.5 1.1 0.0 187 2129 18 38 41 18 42 10 J2018+0831 21 27 57 43.5 203.8 1.1 0.0 -23 2129 No stop 18 43 40 --- 21 29 27 43.4 204.3 1.2 0.0 67 2141 18 42 11 18 43 40 MG2016 21 29 27 46.3 205.0 1.2 0.0 -23 2141 No stop 18 47 10 --- 21 32 58 46.1 206.2 1.2 0.0 187 2168 18 43 41 18 47 50 J2018+0831 21 33 38 43.2 205.7 1.2 0.0 17 2168 18 47 50 18 48 50 --- 21 34 38 43.1 206.0 1.3 0.0 60 2176 18 47 51 18 48 50 MG2016 21 34 38 46.0 206.7 1.2 0.0 -23 2176 No stop 18 52 20 --- 21 38 09 45.8 207.9 1.3 0.0 187 2203 18 48 51 Schedule for WSTRBORK (Code Wb ) 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 38 09 42.9 207.1 1.3 0.0 -23 2203 No stop 18 53 50 --- 21 39 39 42.8 207.6 1.3 0.0 67 2214 18 52 21 18 53 50 MG2016 21 39 39 45.6 208.4 1.3 0.0 -23 2214 No stop 18 57 20 --- 21 43 09 45.4 209.6 1.4 0.0 187 2241 18 53 51 18 58 00 J2018+0831 21 43 50 42.5 209.0 1.4 0.0 17 2241 18 58 00 18 59 00 --- 21 44 50 42.4 209.3 1.4 0.0 60 2249 18 58 01 18 59 00 MG2016 21 44 50 45.3 210.2 1.4 0.0 -23 2249 No stop 19 02 30 --- 21 48 20 45.0 211.3 1.5 0.0 187 2276 18 59 01 19 02 30 J2018+0831 21 48 20 42.1 210.4 1.5 0.0 -23 2276 No stop 19 04 00 --- 21 49 50 42.0 210.9 1.5 0.0 67 2288 19 02 31 19 04 00 MG2016 21 49 50 44.9 211.8 1.5 0.0 -23 2288 No stop 19 07 30 --- 21 53 21 44.6 212.9 1.6 0.0 187 2315 19 04 01 19 08 10 J2018+0831 21 54 01 41.7 212.2 1.6 0.0 17 2315 19 08 10 19 09 10 --- 21 55 01 41.6 212.5 1.6 0.0 60 2323 19 08 11 19 09 10 MG2016 21 55 01 44.5 213.5 1.6 0.0 -23 2323 No stop 19 12 40 --- 21 58 32 44.2 214.6 1.6 0.0 187 2350 19 09 11 19 12 40 J2018+0831 21 58 32 41.3 213.6 1.7 0.0 -23 2350 No stop 19 14 10 --- 22 00 02 41.2 214.1 1.7 0.0 67 2361 19 12 41 19 14 10 MG2016 22 00 02 44.0 215.1 1.7 0.0 -23 2361 No stop 19 17 40 --- 22 03 33 43.7 216.2 1.7 0.0 187 2388 19 14 11 19 18 20 J2018+0831 22 04 13 40.8 215.3 1.8 0.0 17 2388 19 18 20 19 19 20 --- 22 05 13 40.7 215.6 1.8 0.0 60 2396 19 18 21 19 19 20 MG2016 22 05 13 43.6 216.7 1.7 0.0 -23 2396 No stop 19 22 50 --- 22 08 44 43.2 217.8 1.8 0.0 187 2423 19 19 21 19 22 50 J2018+0831 22 08 44 40.4 216.7 1.8 0.0 -23 2423 No stop 19 24 20 --- 22 10 14 40.3 217.2 1.9 0.0 67 2435 19 22 51 19 24 20 MG2016 22 10 14 43.1 218.3 1.8 0.0 -23 2435 No stop 19 27 50 --- 22 13 44 42.8 219.4 1.9 0.0 187 2462 19 24 21 19 28 30 J2018+0831 22 14 25 39.9 218.4 1.9 0.0 17 2462 19 28 30 19 29 30 --- 22 15 25 39.8 218.7 1.9 0.0 60 2469 19 28 31 Schedule for WSTRBORK (Code Wb ) 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 22 06 42.0 221.9 2.0 0.0 377 2469 19 36 10 19 39 40 --- 22 25 36 41.6 223.0 2.1 0.0 210 2497 19 36 11 19 39 40 J2018+0831 22 25 36 38.8 221.7 2.1 0.0 -23 2497 No stop 19 41 10 --- 22 27 07 38.7 222.1 2.1 0.0 67 2508 19 39 41 19 41 10 MG2016 22 27 07 41.4 223.4 2.1 0.0 -23 2508 No stop 19 44 40 --- 22 30 37 41.1 224.5 2.2 0.0 187 2535 19 41 11 19 45 20 J2018+0831 22 31 17 38.2 223.3 2.2 0.0 17 2535 19 45 20 19 46 20 --- 22 32 17 38.1 223.6 2.2 0.0 60 2543 19 45 21 19 46 20 MG2016 22 32 17 40.9 224.9 2.2 0.0 -23 2543 No stop 19 49 50 --- 22 35 48 40.5 226.0 2.3 0.0 187 2570 19 46 21 19 49 50 J2018+0831 22 35 48 37.8 224.6 2.3 0.0 -23 2570 No stop 19 51 20 --- 22 37 18 37.6 225.1 2.3 0.0 67 2582 19 49 51 19 51 20 MG2016 22 37 18 40.4 226.4 2.3 0.0 -23 2582 No stop 19 54 50 --- 22 40 49 40.0 227.4 2.3 0.0 187 2609 19 51 21 19 55 30 J2018+0831 22 41 29 37.2 226.2 2.4 0.0 17 2609 19 55 30 19 56 30 --- 22 42 29 37.1 226.5 2.4 0.0 60 2616 19 55 31 19 56 30 MG2016 22 42 29 39.8 227.9 2.4 0.0 -23 2616 No stop 20 00 00 --- 22 46 00 39.4 228.9 2.4 0.0 187 2643 19 56 31 20 00 00 J2018+0831 22 46 00 36.7 227.5 2.4 0.0 -23 2643 No stop 20 01 30 --- 22 47 30 36.5 227.9 2.5 0.0 67 2655 20 00 01 20 01 30 MG2016 22 47 30 39.2 229.3 2.5 0.0 -23 2655 No stop 20 05 00 --- 22 51 01 38.8 230.3 2.5 0.0 187 2682 20 01 31 20 05 40 J2018+0831 22 51 41 36.0 229.0 2.5 0.0 17 2682 20 05 40 20 06 40 --- 22 52 41 35.9 229.3 2.6 0.0 60 2690 20 05 41 20 06 40 MG2016 22 52 41 38.6 230.7 2.5 0.0 -23 2690 No stop 20 10 10 --- 22 56 11 38.2 231.7 2.6 0.0 187 2717 20 06 41 20 10 10 J2018+0831 22 56 11 35.5 230.2 2.6 0.0 -23 2717 No stop 20 11 40 --- 22 57 42 35.3 230.6 2.6 0.0 67 2728 20 10 11 20 11 40 MG2016 22 57 42 38.0 232.1 2.6 0.0 -23 2728 No stop 20 15 10 --- 23 01 12 37.6 233.0 2.7 0.0 187 2755 20 11 41 Schedule for WSTRBORK (Code Wb ) 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 01 52 34.8 231.8 2.7 0.0 17 2755 20 15 50 20 16 50 --- 23 02 52 34.7 232.0 2.7 0.0 60 2763 20 15 51 20 16 50 MG2016 23 02 52 37.4 233.5 2.7 0.0 -23 2763 No stop 20 20 20 --- 23 06 23 37.0 234.4 2.8 0.0 187 2790 20 16 51 20 20 20 J2018+0831 23 06 23 34.3 232.9 2.8 0.0 -23 2790 No stop 20 21 50 --- 23 07 53 34.1 233.3 2.8 0.0 67 2802 20 20 21 20 21 50 MG2016 23 07 53 36.8 234.8 2.8 0.0 -23 2802 No stop 20 25 20 --- 23 11 24 36.4 235.8 2.9 0.0 187 2829 20 21 51 20 26 00 J2018+0831 23 12 04 33.6 234.4 2.9 0.0 17 2829 20 26 00 20 27 00 --- 23 13 04 33.5 234.7 2.9 0.0 60 2837 20 26 01 20 27 00 MG2016 23 13 04 36.2 236.2 2.9 0.0 -23 2837 No stop 20 30 30 --- 23 16 35 35.7 237.1 2.9 0.0 187 2864 20 27 01 20 30 30 J2018+0831 23 16 35 33.1 235.6 3.0 0.0 -23 2864 No stop 20 32 00 --- 23 18 05 32.9 236.0 3.0 0.0 67 2875 20 30 31 20 32 00 MG2016 23 18 05 35.5 237.5 3.0 0.0 -23 2875 No stop 20 35 30 --- 23 21 36 35.1 238.4 3.0 0.0 187 2902 20 32 01 20 36 10 J2018+0831 23 22 16 32.3 237.0 3.1 0.0 17 2902 20 36 10 20 37 10 --- 23 23 16 32.2 237.3 3.1 0.0 60 2910 20 36 11 20 37 10 MG2016 23 23 16 34.9 238.8 3.1 0.0 -23 2910 No stop 20 40 40 --- 23 26 46 34.4 239.7 3.1 0.0 187 2937 20 37 11 20 41 20 J2018+0831 23 27 26 31.7 238.3 3.1 0.0 17 2937 20 41 20 20 42 20 --- 23 28 27 31.6 238.6 3.2 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: 15 Station: WSTRBORK 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= 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 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 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 5 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= 305.25 305.25 305.25 305.25 369.25 369.25 369.25 369.25 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 5 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