COVER INFORMATION Station: IRBENE (Code Ir ) 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 IRBENE (Code Ir ) 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 17 30 31 70.7-151.8 0.8 19.2 0 0 13 44 30 13 49 30 --- 17 35 31 70.3-149.1 0.9 21.0 300 39 13 44 31 13 53 00 J2018+0831 17 39 02 32.2-228.7 -2.7 -24.1 167 39 13 53 00 13 54 00 --- 17 40 02 32.3-228.4 -2.7 -23.9 60 46 13 53 01 13 54 00 MG2016 17 40 02 34.8-230.2 -2.7 -24.9 -4 46 No stop 13 57 30 --- 17 43 33 35.2-229.2 -2.6 -24.5 206 73 13 54 01 13 57 30 J2018+0831 17 43 33 32.6-227.5 -2.6 -23.6 -4 73 No stop 13 59 00 --- 17 45 03 32.8-227.1 -2.6 -23.4 86 85 13 57 31 13 59 00 MG2016 17 45 03 35.3-228.8 -2.6 -24.3 -4 85 No stop 14 02 30 --- 17 48 34 35.7-227.8 -2.5 -23.9 206 112 13 59 01 14 03 10 J2018+0831 17 49 14 33.2-225.9 -2.5 -23.0 36 112 14 03 10 14 04 10 --- 17 50 14 33.3-225.7 -2.5 -22.8 60 120 14 03 11 14 04 10 MG2016 17 50 14 35.8-227.4 -2.5 -23.8 -4 120 No stop 14 07 40 --- 17 53 44 36.2-226.4 -2.4 -23.4 206 147 14 04 11 14 07 40 J2018+0831 17 53 44 33.6-224.7 -2.4 -22.4 -4 147 No stop 14 09 10 --- 17 55 15 33.7-224.3 -2.4 -22.3 86 158 14 07 41 14 09 10 MG2016 17 55 15 36.3-226.0 -2.4 -23.2 -4 158 No stop 14 12 40 --- 17 58 45 36.7-225.0 -2.4 -22.8 206 185 14 09 11 14 13 20 J2018+0831 17 59 25 34.1-223.1 -2.3 -21.8 36 185 14 13 20 14 14 20 --- 18 00 26 34.2-222.9 -2.3 -21.7 60 193 14 13 21 14 14 20 MG2016 18 00 26 36.8-224.5 -2.3 -22.6 -4 193 No stop 14 17 50 --- 18 03 56 37.2-223.5 -2.3 -22.2 206 220 14 14 21 14 17 50 J2018+0831 18 03 56 34.5-221.9 -2.3 -21.2 -4 220 No stop 14 19 20 --- 18 05 26 34.7-221.5 -2.2 -21.1 86 232 14 17 51 14 19 20 MG2016 18 05 26 37.3-223.1 -2.2 -22.0 -4 232 No stop 14 22 50 --- 18 08 57 37.6-222.1 -2.2 -21.5 206 259 14 19 21 14 23 30 J2018+0831 18 09 37 35.0-220.3 -2.2 -20.5 36 259 14 23 30 14 24 30 --- 18 10 37 35.1-220.0 -2.1 -20.4 60 267 14 23 31 Schedule for IRBENE (Code Ir ) 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 18 10 37 37.8-221.6 -2.2 -21.3 -4 267 No stop 14 28 00 --- 18 14 08 38.1-220.6 -2.1 -20.9 206 294 14 24 31 14 28 00 J2018+0831 18 14 08 35.4-219.0 -2.1 -20.0 -4 294 No stop 14 29 30 --- 18 15 38 35.6-218.6 -2.1 -19.8 86 305 14 28 01 14 29 30 MG2016 18 15 38 38.2-220.2 -2.1 -20.7 -4 305 No stop 14 33 00 --- 18 19 09 38.5-219.1 -2.0 -20.2 206 332 14 29 31 14 33 40 J2018+0831 18 19 49 35.9-217.4 -2.0 -19.2 36 332 14 33 40 14 34 40 --- 18 20 49 36.0-217.1 -2.0 -19.1 60 340 14 33 41 14 34 40 MG2016 18 20 49 38.6-218.6 -2.0 -20.0 -4 340 No stop 14 38 10 --- 18 24 19 38.9-217.6 -1.9 -19.5 206 367 14 34 41 14 38 10 J2018+0831 18 24 19 36.3-216.1 -1.9 -18.6 -4 367 No stop 14 39 40 --- 18 25 50 36.4-215.6 -1.9 -18.4 86 379 14 38 11 14 39 40 MG2016 18 25 50 39.1-217.2 -1.9 -19.3 -4 379 No stop 14 43 10 --- 18 29 20 39.3-216.1 -1.8 -18.8 206 406 14 39 41 14 43 50 J2018+0831 18 30 00 36.7-214.4 -1.8 -17.9 36 406 14 43 50 14 44 50 --- 18 31 01 36.8-214.1 -1.8 -17.7 60 414 14 43 51 14 44 50 MG2016 18 31 01 39.5-215.6 -1.8 -18.6 -4 414 No stop 14 48 20 --- 18 34 31 39.7-214.5 -1.8 -18.1 206 441 14 44 51 14 48 20 J2018+0831 18 34 31 37.0-213.1 -1.7 -17.2 -4 441 No stop 14 49 50 --- 18 36 01 37.1-212.6 -1.7 -17.0 86 452 14 48 21 14 49 50 MG2016 18 36 01 39.9-214.1 -1.7 -17.9 -4 452 No stop 14 53 20 --- 18 39 32 40.1-213.0 -1.7 -17.4 206 479 14 49 51 14 54 00 J2018+0831 18 40 12 37.4-211.4 -1.6 -16.4 36 479 14 54 00 14 55 00 --- 18 41 12 37.5-211.1 -1.6 -16.3 60 487 14 54 01 14 55 00 MG2016 18 41 12 40.2-212.5 -1.7 -17.1 -4 487 No stop 14 58 30 --- 18 44 43 40.5-211.4 -1.6 -16.6 206 514 14 55 01 14 58 30 J2018+0831 18 44 43 37.8-210.0 -1.6 -15.8 -4 514 No stop 15 00 00 --- 18 46 13 37.9-209.6 -1.5 -15.5 86 526 14 58 31 15 00 00 MG2016 18 46 13 40.6-211.0 -1.6 -16.4 -4 526 No stop 15 03 30 --- 18 49 44 40.8-209.9 -1.5 -15.8 206 553 15 00 01 Schedule for IRBENE (Code Ir ) 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 50 24 38.1-208.3 -1.5 -14.9 36 553 15 04 10 15 05 10 --- 18 51 24 38.2-208.0 -1.5 -14.8 60 560 15 04 11 15 05 10 MG2016 18 51 24 40.9-209.4 -1.5 -15.6 -4 560 No stop 15 08 40 --- 18 54 54 41.2-208.3 -1.4 -15.0 206 587 15 05 11 15 08 40 J2018+0831 18 54 54 38.4-207.0 -1.4 -14.2 -4 587 No stop 15 10 10 --- 18 56 25 38.5-206.5 -1.4 -14.0 86 599 15 08 41 15 10 10 MG2016 18 56 25 41.3-207.8 -1.4 -14.8 -4 599 No stop 15 13 40 --- 18 59 55 41.5-206.7 -1.3 -14.2 206 626 15 10 11 15 14 20 J2018+0831 19 00 35 38.7-205.2 -1.3 -13.4 36 626 15 14 20 15 15 20 --- 19 01 36 38.8-204.9 -1.3 -13.2 60 634 15 14 21 15 15 20 MG2016 19 01 36 41.6-206.1 -1.3 -14.0 -4 634 No stop 15 18 50 --- 19 05 06 41.8-205.0 -1.3 -13.4 206 661 15 15 21 15 18 50 J2018+0831 19 05 06 39.0-203.8 -1.2 -12.7 -4 661 No stop 15 20 20 --- 19 06 36 39.1-203.3 -1.2 -12.4 86 672 15 18 51 15 20 20 MG2016 19 06 36 41.9-204.5 -1.2 -13.1 -4 672 No stop 15 23 50 --- 19 10 07 42.1-203.4 -1.2 -12.6 206 699 15 20 21 15 24 30 J2018+0831 19 10 47 39.3-202.0 -1.1 -11.8 36 699 15 24 30 15 25 30 --- 19 11 47 39.3-201.7 -1.1 -11.6 60 707 15 24 31 15 25 30 MG2016 19 11 47 42.1-202.9 -1.1 -12.3 -4 707 No stop 15 29 00 --- 19 15 18 42.3-201.7 -1.1 -11.7 206 734 15 25 31 15 29 00 J2018+0831 19 15 18 39.5-200.6 -1.1 -11.0 -4 734 No stop 15 30 30 --- 19 16 48 39.6-200.2 -1.0 -10.8 86 746 15 29 01 15 30 30 MG2016 19 16 48 42.4-201.3 -1.1 -11.4 -4 746 No stop 15 34 00 --- 19 20 19 42.6-200.1 -1.0 -10.9 206 773 15 30 31 15 34 40 J2018+0831 19 20 59 39.8-198.8 -1.0 -10.1 36 773 15 34 40 15 35 40 --- 19 21 59 39.8-198.5 -1.0 -9.9 60 781 15 34 41 15 35 40 MG2016 19 21 59 42.6-199.6 -1.0 -10.6 -4 781 No stop 15 39 10 --- 19 25 29 42.8-198.4 -0.9 -10.0 206 808 15 35 41 15 39 10 J2018+0831 19 25 29 40.0-197.4 -0.9 -9.3 -4 808 No stop 15 40 40 --- 19 27 00 40.0-196.9 -0.9 -9.1 86 819 15 39 11 Schedule for IRBENE (Code Ir ) 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 19 27 00 42.9-197.9 -0.9 -9.7 -4 819 No stop 15 44 10 --- 19 30 30 43.0-196.8 -0.8 -9.1 206 846 15 40 41 15 44 50 J2018+0831 19 31 10 40.2-195.6 -0.8 -8.4 36 846 15 44 50 15 45 50 --- 19 32 11 40.2-195.3 -0.8 -8.2 60 854 15 44 51 15 45 50 MG2016 19 32 11 43.1-196.2 -0.8 -8.8 -4 854 No stop 15 49 20 --- 19 35 41 43.2-195.0 -0.7 -8.2 206 881 15 45 51 15 49 20 J2018+0831 19 35 41 40.3-194.1 -0.7 -7.6 -4 881 No stop 15 50 50 --- 19 37 11 40.4-193.7 -0.7 -7.4 86 893 15 49 21 15 50 50 MG2016 19 37 11 43.2-194.5 -0.7 -7.9 -4 893 No stop 15 54 20 --- 19 40 42 43.3-193.4 -0.7 -7.3 206 920 15 50 51 15 55 00 J2018+0831 19 41 22 40.5-192.3 -0.6 -6.6 36 920 15 55 00 15 56 00 --- 19 42 22 40.5-192.0 -0.6 -6.5 60 927 15 55 01 15 56 00 MG2016 19 42 22 43.4-192.8 -0.6 -7.0 -4 927 No stop 15 59 30 --- 19 45 53 43.5-191.6 -0.6 -6.3 206 955 15 56 01 15 59 30 J2018+0831 19 45 53 40.6-190.9 -0.6 -5.9 -4 955 No stop 16 01 00 --- 19 47 23 40.7-190.4 -0.5 -5.6 86 966 15 59 31 16 01 00 MG2016 19 47 23 43.5-191.1 -0.5 -6.1 -4 966 No stop 16 04 30 --- 19 50 54 43.6-189.9 -0.5 -5.4 206 993 16 01 01 16 05 10 J2018+0831 19 51 34 40.8-189.0 -0.5 -4.9 36 993 16 05 10 16 06 10 --- 19 52 34 40.8-188.7 -0.4 -4.7 60 1001 16 05 11 16 06 10 MG2016 19 52 34 43.7-189.4 -0.5 -5.1 -4 1001 No stop 16 09 40 --- 19 56 04 43.7-188.2 -0.4 -4.5 206 1028 16 06 11 16 09 40 J2018+0831 19 56 04 40.8-187.5 -0.4 -4.1 -4 1028 No stop 16 11 10 --- 19 57 35 40.9-187.1 -0.4 -3.8 86 1040 16 09 41 16 11 10 MG2016 19 57 35 43.8-187.7 -0.4 -4.2 -4 1040 No stop 16 14 40 --- 20 01 05 43.8-186.5 -0.3 -3.6 206 1067 16 11 11 16 15 20 J2018+0831 20 01 45 40.9-185.7 -0.3 -3.1 36 1067 16 15 20 16 16 20 --- 20 02 46 40.9-185.4 -0.3 -2.9 60 1074 16 15 21 16 16 20 MG2016 20 02 46 43.8-185.9 -0.3 -3.2 -4 1074 No stop 16 19 50 --- 20 06 16 43.9-184.7 -0.2 -2.6 206 1101 16 16 21 Schedule for IRBENE (Code Ir ) 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 20 06 16 41.0-184.2 -0.2 -2.3 -4 1101 No stop 16 21 20 --- 20 07 46 41.0-183.7 -0.2 -2.0 86 1113 16 19 51 16 21 20 MG2016 20 07 46 43.9-184.2 -0.2 -2.3 -4 1113 No stop 16 24 50 --- 20 11 17 43.9-183.0 -0.1 -1.7 206 1140 16 21 21 16 25 30 J2018+0831 20 11 57 41.0-182.4 -0.1 -1.3 36 1140 16 25 30 16 26 30 --- 20 12 57 41.0-182.0 -0.1 -1.1 60 1148 16 25 31 16 26 30 MG2016 20 12 57 43.9-182.5 -0.1 -1.4 -4 1148 No stop 16 30 00 --- 20 16 28 44.0-181.3 -0.1 -0.7 206 1175 16 26 31 16 30 00 J2018+0831 20 16 28 41.0-180.9 -0.0 -0.5 -4 1175 No stop 16 31 30 --- 20 17 58 41.0-180.4 -0.0 -0.2 86 1186 16 30 01 16 31 30 MG2016 20 17 58 44.0-180.8 -0.0 -0.4 -4 1186 No stop 16 35 00 --- 20 21 29 44.0-179.6 0.0 0.2 206 1213 16 31 31 16 35 40 J2018+0831 20 22 09 41.0-179.0 0.1 0.5 36 1213 16 35 40 16 36 40 --- 20 23 09 41.0-178.7 0.1 0.7 60 1221 16 35 41 16 36 40 MG2016 20 23 09 44.0-179.0 0.0 0.5 -4 1221 No stop 16 40 10 --- 20 26 39 43.9-177.8 0.1 1.2 206 1248 16 36 41 16 40 10 J2018+0831 20 26 39 41.0-177.5 0.1 1.3 -4 1248 No stop 16 41 40 --- 20 28 10 41.0-177.0 0.2 1.6 86 1260 16 40 11 16 41 40 MG2016 20 28 10 43.9-177.3 0.1 1.5 -4 1260 No stop 16 45 10 --- 20 31 40 43.9-176.1 0.2 2.1 206 1287 16 41 41 16 45 50 J2018+0831 20 32 20 41.0-175.7 0.2 2.3 36 1287 16 45 50 16 46 50 --- 20 33 21 41.0-175.3 0.2 2.5 60 1295 16 45 51 16 46 50 MG2016 20 33 21 43.9-175.5 0.2 2.4 -4 1295 No stop 16 50 20 --- 20 36 51 43.9-174.3 0.3 3.1 206 1322 16 46 51 16 50 20 J2018+0831 20 36 51 40.9-174.2 0.3 3.1 -4 1322 No stop 16 51 50 --- 20 38 21 40.9-173.7 0.3 3.4 86 1333 16 50 21 16 51 50 MG2016 20 38 21 43.8-173.8 0.3 3.4 -4 1333 No stop 16 55 20 --- 20 41 52 43.8-172.6 0.4 4.0 206 1360 16 51 51 16 56 00 J2018+0831 20 42 32 40.8-172.3 0.4 4.1 36 1360 16 56 00 16 57 00 --- 20 43 32 40.8-172.0 0.4 4.3 60 1368 16 56 01 Schedule for IRBENE (Code Ir ) 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 43 32 43.7-172.1 0.4 4.3 -4 1368 No stop 17 00 30 --- 20 47 03 43.7-170.9 0.4 5.0 206 1395 16 57 01 17 00 30 J2018+0831 20 47 03 40.7-170.9 0.5 4.9 -4 1395 No stop 17 02 00 --- 20 48 33 40.7-170.4 0.5 5.2 86 1407 17 00 31 17 02 00 MG2016 20 48 33 43.6-170.4 0.5 5.2 -4 1407 No stop 17 05 30 --- 20 52 04 43.6-169.2 0.5 5.9 206 1434 17 02 01 17 06 10 J2018+0831 20 52 44 40.6-169.0 0.6 5.9 36 1434 17 06 10 17 07 10 --- 20 53 44 40.6-168.7 0.6 6.1 60 1441 17 06 11 17 07 10 MG2016 20 53 44 43.5-168.6 0.6 6.2 -4 1441 No stop 17 10 40 --- 20 57 14 43.4-167.5 0.6 6.8 206 1469 17 07 11 17 10 40 J2018+0831 20 57 14 40.5-167.6 0.6 6.7 -4 1469 No stop 17 12 10 --- 20 58 45 40.4-167.1 0.7 7.0 86 1480 17 10 41 17 12 10 MG2016 20 58 45 43.4-167.0 0.6 7.1 -4 1480 No stop 17 15 40 --- 21 02 15 43.3-165.8 0.7 7.7 206 1507 17 12 11 17 16 20 J2018+0831 21 02 55 40.3-165.7 0.7 7.7 36 1507 17 16 20 17 17 20 --- 21 03 56 40.3-165.4 0.7 7.9 60 1515 17 16 21 17 17 20 MG2016 21 03 56 43.2-165.2 0.7 8.0 -4 1515 No stop 17 20 50 --- 21 07 26 43.1-164.1 0.8 8.6 206 1542 17 17 21 17 20 50 J2018+0831 21 07 26 40.2-164.3 0.8 8.4 -4 1542 No stop 17 22 20 --- 21 08 56 40.1-163.8 0.8 8.7 86 1554 17 20 51 17 22 20 MG2016 21 08 56 43.0-163.6 0.8 8.9 -4 1554 No stop 17 25 50 --- 21 12 27 42.9-162.4 0.9 9.5 206 1581 17 22 21 17 26 30 J2018+0831 21 13 07 39.9-162.5 0.9 9.4 36 1581 17 26 30 17 27 30 --- 21 14 07 39.9-162.2 0.9 9.6 60 1588 17 26 31 17 27 30 MG2016 21 14 07 42.8-161.9 0.9 9.8 -4 1588 No stop 17 31 00 --- 21 17 38 42.7-160.7 1.0 10.4 206 1615 17 27 31 17 31 00 J2018+0831 21 17 38 39.7-161.1 1.0 10.1 -4 1615 No stop 17 32 30 --- 21 19 08 39.7-160.6 1.0 10.4 86 1627 17 31 01 17 32 30 MG2016 21 19 08 42.6-160.2 1.0 10.7 -4 1627 No stop 17 36 00 --- 21 22 39 42.4-159.1 1.0 11.3 206 1654 17 32 31 Schedule for IRBENE (Code Ir ) 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 21 23 19 39.5-159.3 1.1 11.1 36 1654 17 36 40 17 37 40 --- 21 24 19 39.4-158.9 1.1 11.2 60 1662 17 36 41 17 37 40 MG2016 21 24 19 42.4-158.5 1.1 11.6 -4 1662 No stop 17 41 10 --- 21 27 50 42.2-157.4 1.1 12.2 206 1689 17 37 41 17 41 10 J2018+0831 21 27 50 39.3-157.8 1.1 11.8 -4 1689 No stop 17 42 40 --- 21 29 20 39.2-157.4 1.2 12.0 86 1700 17 41 11 17 42 40 MG2016 21 29 20 42.1-156.9 1.2 12.4 -4 1700 No stop 17 46 10 --- 21 32 50 41.9-155.8 1.2 13.0 206 1727 17 42 41 17 46 50 J2018+0831 21 33 30 39.0-156.1 1.2 12.7 36 1727 17 46 50 17 47 50 --- 21 34 31 38.9-155.8 1.3 12.9 60 1735 17 46 51 17 47 50 MG2016 21 34 31 41.8-155.2 1.2 13.3 -4 1735 No stop 17 51 20 --- 21 38 01 41.6-154.1 1.3 13.8 206 1762 17 47 51 17 51 20 J2018+0831 21 38 01 38.7-154.7 1.3 13.4 -4 1762 No stop 17 52 50 --- 21 39 31 38.6-154.2 1.3 13.7 86 1774 17 51 21 17 52 50 MG2016 21 39 31 41.5-153.6 1.3 14.1 -4 1774 No stop 17 56 20 --- 21 43 02 41.3-152.5 1.4 14.6 206 1801 17 52 51 17 57 00 J2018+0831 21 43 42 38.4-152.9 1.4 14.3 36 1801 17 57 00 17 58 00 --- 21 44 42 38.3-152.6 1.4 14.4 60 1809 17 57 01 17 58 00 MG2016 21 44 42 41.2-152.0 1.4 14.9 -4 1809 No stop 18 01 30 --- 21 48 13 41.0-150.9 1.5 15.4 206 1836 17 58 01 18 01 30 J2018+0831 21 48 13 38.1-151.6 1.5 15.0 -4 1836 No stop 18 03 00 --- 21 49 43 38.0-151.1 1.5 15.2 86 1847 18 01 31 18 03 00 MG2016 21 49 43 40.9-150.4 1.5 15.7 -4 1847 No stop 18 06 30 --- 21 53 14 40.7-149.3 1.6 16.2 206 1874 18 03 01 18 07 10 J2018+0831 21 53 54 37.7-149.8 1.6 15.8 36 1874 18 07 10 18 08 10 --- 21 54 54 37.7-149.5 1.6 16.0 60 1882 18 07 11 18 08 10 MG2016 21 54 54 40.5-148.8 1.6 16.5 -4 1882 No stop 18 11 40 --- 21 58 25 40.3-147.7 1.6 17.0 206 1909 18 08 11 18 11 40 J2018+0831 21 58 25 37.4-148.5 1.7 16.5 -4 1909 No stop 18 13 10 --- 21 59 55 37.3-148.0 1.7 16.7 86 1921 18 11 41 Schedule for IRBENE (Code Ir ) 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 59 55 40.2-147.3 1.7 17.2 -4 1921 No stop 18 16 40 --- 22 03 25 39.9-146.2 1.7 17.7 206 1948 18 13 11 18 17 20 J2018+0831 22 04 05 37.0-146.8 1.7 17.3 36 1948 18 17 20 18 18 20 --- 22 05 06 36.9-146.5 1.8 17.4 60 1955 18 17 21 18 18 20 MG2016 22 05 06 39.8-145.7 1.7 18.0 -4 1955 No stop 18 21 50 --- 22 08 36 39.5-144.6 1.8 18.5 206 1983 18 18 21 18 21 50 J2018+0831 22 08 36 36.7-145.5 1.8 17.9 -4 1983 No stop 18 23 20 --- 22 10 06 36.6-145.0 1.8 18.1 86 1994 18 21 51 18 23 20 MG2016 22 10 06 39.4-144.2 1.8 18.7 -4 1994 No stop 18 26 50 --- 22 13 37 39.1-143.1 1.9 19.2 206 2021 18 23 21 18 27 30 J2018+0831 22 14 17 36.2-143.8 1.9 18.7 36 2021 18 27 30 18 28 30 --- 22 15 17 36.2-143.5 1.9 18.8 60 2029 18 27 31 18 28 30 MG2016 22 15 17 39.0-142.6 1.9 19.4 -4 2029 No stop 18 32 00 --- 22 18 48 38.7-141.6 2.0 19.9 206 2056 18 28 31 18 32 00 J2018+0831 22 18 48 35.9-142.5 2.0 19.3 -4 2056 No stop 18 33 30 --- 22 20 18 35.7-142.1 2.0 19.5 86 2068 18 32 01 18 33 30 MG2016 22 20 18 38.6-141.2 2.0 20.1 -4 2068 No stop 18 37 00 --- 22 23 49 38.3-140.1 2.1 20.5 206 2095 18 33 31 18 37 40 J2018+0831 22 24 29 35.4-140.9 2.1 20.0 36 2095 18 37 40 18 38 40 --- 22 25 29 35.3-140.6 2.1 20.1 60 2102 18 37 41 18 38 40 MG2016 22 25 29 38.1-139.6 2.1 20.8 -4 2102 No stop 18 42 10 --- 22 29 00 37.8-138.6 2.1 21.2 206 2129 18 38 41 18 42 10 J2018+0831 22 29 00 35.0-139.6 2.2 20.6 -4 2129 No stop 18 43 40 --- 22 30 30 34.9-139.2 2.2 20.8 86 2141 18 42 11 18 43 40 MG2016 22 30 30 37.7-138.2 2.2 21.4 -4 2141 No stop 18 47 10 --- 22 34 00 37.4-137.2 2.2 21.8 206 2168 18 43 41 18 47 50 J2018+0831 22 34 40 34.5-138.0 2.3 21.3 36 2168 18 47 50 18 48 50 --- 22 35 41 34.4-137.7 2.3 21.4 60 2176 18 47 51 18 48 50 MG2016 22 35 41 37.2-136.7 2.3 22.1 -4 2176 No stop 18 52 20 --- 22 39 11 36.9-135.7 2.3 22.5 206 2203 18 48 51 Schedule for IRBENE (Code Ir ) 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 22 39 11 34.1-136.8 2.3 21.8 -4 2203 No stop 18 53 50 --- 22 40 41 34.0-136.3 2.4 22.0 86 2214 18 52 21 18 53 50 MG2016 22 40 41 36.8-135.3 2.3 22.7 -4 2214 No stop 18 57 20 --- 22 44 12 36.4-134.3 2.4 23.1 206 2241 18 53 51 18 58 00 J2018+0831 22 44 52 33.6-135.2 2.4 22.5 36 2241 18 58 00 18 59 00 --- 22 45 52 33.5-134.9 2.4 22.6 60 2249 18 58 01 18 59 00 MG2016 22 45 52 36.3-133.8 2.4 23.3 -4 2249 No stop 19 02 30 --- 22 49 23 35.9-132.9 2.5 23.7 206 2276 18 59 01 19 02 30 J2018+0831 22 49 23 33.1-134.0 2.5 23.0 -4 2276 No stop 19 04 00 --- 22 50 53 33.0-133.5 2.5 23.2 86 2288 19 02 31 19 04 00 MG2016 22 50 53 35.8-132.4 2.5 23.8 -4 2288 No stop 19 07 30 --- 22 54 24 35.4-131.5 2.6 24.2 206 2315 19 04 01 19 08 10 J2018+0831 22 55 04 32.6-132.4 2.6 23.6 36 2315 19 08 10 19 09 10 --- 22 56 04 32.5-132.2 2.6 23.7 60 2323 19 08 11 19 09 10 MG2016 22 56 04 35.3-131.0 2.6 24.4 -4 2323 No stop 19 12 40 --- 22 59 35 34.9-130.1 2.7 24.8 206 2350 19 09 11 19 12 40 J2018+0831 22 59 35 32.1-131.2 2.7 24.1 -4 2350 No stop 19 14 10 --- 23 01 05 32.0-130.8 2.7 24.2 86 2361 19 12 41 19 14 10 MG2016 23 01 05 34.7-129.7 2.7 24.9 -4 2361 No stop 19 17 40 --- 23 04 35 34.4-128.7 2.7 25.3 206 2388 19 14 11 19 18 20 J2018+0831 23 05 15 31.6-129.7 2.8 24.7 36 2388 19 18 20 19 19 20 --- 23 06 16 31.4-129.4 2.8 24.8 60 2396 19 18 21 19 19 20 MG2016 23 06 16 34.2-128.3 2.8 25.5 -4 2396 No stop 19 22 50 --- 23 09 46 33.8-127.3 2.8 25.8 206 2423 19 19 21 19 22 50 J2018+0831 23 09 46 31.1-128.5 2.8 25.1 -4 2423 No stop 19 24 20 --- 23 11 16 30.9-128.1 2.9 25.3 86 2435 19 22 51 19 24 20 MG2016 23 11 16 33.7-126.9 2.9 26.0 -4 2435 No stop 19 27 50 --- 23 14 47 33.3-126.0 2.9 26.3 206 2462 19 24 21 19 28 30 J2018+0831 23 15 27 30.5-127.0 2.9 25.7 36 2462 19 28 30 19 29 30 --- 23 16 27 30.4-126.8 3.0 25.8 60 2469 19 28 31 Schedule for IRBENE (Code Ir ) 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 23 23 08 32.4-123.8 3.0 27.1 396 2469 19 36 10 19 39 40 --- 23 26 39 32.0-122.9 3.1 27.4 210 2497 19 36 11 19 39 40 J2018+0831 23 26 39 29.3-124.2 3.1 26.7 -4 2497 No stop 19 41 10 --- 23 28 09 29.1-123.8 3.2 26.8 86 2508 19 39 41 19 41 10 MG2016 23 28 09 31.8-122.5 3.1 27.5 -4 2508 No stop 19 44 40 --- 23 31 40 31.4-121.6 3.2 27.8 206 2535 19 41 11 19 45 20 J2018+0831 23 32 20 28.6-122.8 3.2 27.2 36 2535 19 45 20 19 46 20 --- 23 33 20 28.5-122.5 3.2 27.2 60 2543 19 45 21 19 46 20 MG2016 23 33 20 31.2-121.2 3.2 27.9 -4 2543 No stop 19 49 50 --- 23 36 51 30.8-120.3 3.3 28.2 206 2570 19 46 21 19 49 50 J2018+0831 23 36 51 28.1-121.6 3.3 27.5 -4 2570 No stop 19 51 20 --- 23 38 21 27.9-121.3 3.3 27.6 86 2582 19 49 51 19 51 20 MG2016 23 38 21 30.6-120.0 3.3 28.3 -4 2582 No stop 19 54 50 --- 23 41 51 30.2-119.1 3.4 28.6 206 2609 19 51 21 19 55 30 J2018+0831 23 42 32 27.5-120.2 3.4 28.0 36 2609 19 55 30 19 56 30 --- 23 43 32 27.3-120.0 3.4 28.0 60 2616 19 55 31 19 56 30 MG2016 23 43 32 30.0-118.7 3.4 28.7 -4 2616 No stop 20 00 00 --- 23 47 02 29.6-117.8 3.4 29.0 206 2643 19 56 31 20 00 00 J2018+0831 23 47 02 26.9-119.1 3.5 28.3 -4 2643 No stop 20 01 30 --- 23 48 33 26.8-118.7 3.5 28.4 86 2655 20 00 01 20 01 30 MG2016 23 48 33 29.4-117.4 3.5 29.1 -4 2655 No stop 20 05 00 --- 23 52 03 29.0-116.6 3.5 29.3 206 2682 20 01 31 20 05 40 J2018+0831 23 52 43 26.3-117.7 3.6 28.7 36 2682 20 05 40 20 06 40 --- 23 53 43 26.1-117.5 3.6 28.8 60 2690 20 05 41 20 06 40 MG2016 23 53 43 28.8-116.2 3.6 29.4 -4 2690 No stop 20 10 10 --- 23 57 14 28.4-115.3 3.6 29.7 206 2717 20 06 41 20 10 10 J2018+0831 23 57 14 25.7-116.6 3.6 29.0 -4 2717 No stop 20 11 40 --- 23 58 44 25.5-116.3 3.7 29.1 86 2728 20 10 11 20 11 40 MG2016 23 58 44 28.2-114.9 3.6 29.8 -4 2728 No stop 20 15 10 --- 00 02 15 27.8-114.1 3.7 30.0 206 2755 20 11 41 Schedule for IRBENE (Code Ir ) 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 00 02 55 25.0-115.3 3.7 29.4 36 2755 20 15 50 20 16 50 --- 00 03 55 24.9-115.1 3.7 29.4 60 2763 20 15 51 20 16 50 MG2016 00 03 55 27.6-113.7 3.7 30.1 -4 2763 No stop 20 20 20 --- 00 07 26 27.2-112.9 3.8 30.3 206 2790 20 16 51 20 20 20 J2018+0831 00 07 26 24.5-114.2 3.8 29.7 -4 2790 No stop 20 21 50 --- 00 08 56 24.3-113.9 3.8 29.7 86 2802 20 20 21 20 21 50 MG2016 00 08 56 27.0-112.5 3.8 30.4 -4 2802 No stop 20 25 20 --- 00 12 26 26.5-111.7 3.9 30.6 206 2829 20 21 51 20 26 00 J2018+0831 00 13 07 23.8-112.9 3.9 30.0 36 2829 20 26 00 20 27 00 --- 00 14 07 23.7-112.7 3.9 30.1 60 2837 20 26 01 20 27 00 MG2016 00 14 07 26.3-111.3 3.9 30.7 -4 2837 No stop 20 30 30 --- 00 17 37 25.9-110.5 4.0 30.9 206 2864 20 27 01 20 30 30 J2018+0831 00 17 37 23.2-111.8 4.0 30.2 -4 2864 No stop 20 32 00 --- 00 19 08 23.0-111.5 4.0 30.3 86 2875 20 30 31 20 32 00 MG2016 00 19 08 25.7-110.1 4.0 30.9 -4 2875 No stop 20 35 30 --- 00 22 38 25.3-109.3 4.0 31.1 206 2902 20 32 01 20 36 10 J2018+0831 00 23 18 22.5-110.5 4.1 30.5 36 2902 20 36 10 20 37 10 --- 00 24 18 22.4-110.3 4.1 30.6 60 2910 20 36 11 20 37 10 MG2016 00 24 18 25.0-108.9 4.1 31.2 -4 2910 No stop 20 40 40 --- 00 27 49 24.6-108.1 4.1 31.4 206 2937 20 37 11 20 41 20 J2018+0831 00 28 29 21.9-109.3 4.2 30.8 36 2937 20 41 20 20 42 20 --- 00 29 29 21.7-109.1 4.2 30.8 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: 22 Station: IRBENE 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