COVER INFORMATION Station: URUMQI (Code Ur ) 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 URUMQI (Code Ur ) 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: 272.25 272.25 272.25 272.25 336.25 336.25 336.25 336.25 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 11 00 00 J2018+0831 19 18 41 52.7 154.8 -1.0 -18.2 0 0 11 00 00 11 01 30 --- 19 20 11 52.8 155.4 -1.0 -17.8 90 12 11 00 01 11 03 30 3C345 19 22 11 60.4 276.7 2.6 69.7 -5 12 11 03 30 11 06 00 --- 19 24 42 60.0 277.0 2.7 69.6 145 31 11 03 31 11 06 30 J2018+0831 19 25 12 53.2 157.4 -0.9 -16.4 -93 31 11 06 30 11 08 30 --- 19 27 12 53.3 158.2 -0.9 -15.8 27 46 11 06 31 11 08 30 MG2016 19 27 12 56.1 156.3 -0.9 -17.3 -8 46 No stop 11 12 00 --- 19 30 43 56.3 157.8 -0.8 -16.3 202 73 11 08 31 11 12 00 J2018+0831 19 30 43 53.6 159.6 -0.8 -14.8 -8 73 No stop 11 13 30 --- 19 32 13 53.7 160.2 -0.8 -14.4 82 85 11 12 01 11 13 30 MG2016 19 32 13 56.4 158.4 -0.8 -15.8 -9 85 No stop 11 17 00 --- 19 35 44 56.6 159.9 -0.7 -14.7 201 112 11 13 31 11 17 40 J2018+0831 19 36 24 53.9 161.9 -0.7 -13.2 31 112 11 17 40 11 18 40 --- 19 37 24 54.0 162.3 -0.7 -12.9 60 119 11 17 41 11 18 40 MG2016 19 37 24 56.7 160.6 -0.7 -14.2 -9 119 No stop 11 22 10 --- 19 40 55 56.9 162.1 -0.7 -13.1 201 146 11 18 41 11 22 10 J2018+0831 19 40 55 54.1 163.7 -0.6 -11.9 -9 146 No stop 11 23 40 --- 19 42 25 54.2 164.4 -0.6 -11.4 81 158 11 22 11 11 23 40 MG2016 19 42 25 57.0 162.8 -0.6 -12.6 -9 158 No stop 11 27 10 --- 19 45 55 57.2 164.4 -0.6 -11.5 201 185 11 23 41 11 27 50 J2018+0831 19 46 35 54.4 166.1 -0.5 -10.2 31 185 11 27 50 11 28 50 --- 19 47 36 54.5 166.5 -0.5 -9.9 60 192 11 27 51 11 28 50 MG2016 19 47 36 57.3 165.1 -0.5 -11.0 -9 192 No stop 11 32 20 --- 19 51 06 57.4 166.7 -0.5 -9.8 201 219 11 28 51 11 32 20 J2018+0831 19 51 06 54.6 168.0 -0.5 -8.8 -9 219 No stop 11 33 50 --- 19 52 36 54.6 168.6 -0.4 -8.3 81 231 11 32 21 11 33 50 MG2016 19 52 36 57.5 167.3 -0.5 -9.3 -9 231 No stop 11 37 20 --- 19 56 07 57.6 168.9 -0.4 -8.2 201 258 11 33 51 Schedule for URUMQI (Code Ur ) 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 --- 11 38 00 J2018+0831 19 56 47 54.8 170.4 -0.4 -7.0 31 258 11 38 00 11 39 00 --- 19 57 47 54.8 170.8 -0.4 -6.7 60 265 11 38 01 11 39 00 MG2016 19 57 47 57.7 169.7 -0.4 -7.6 -9 265 No stop 11 42 30 --- 20 01 18 57.8 171.3 -0.3 -6.4 201 292 11 39 01 11 42 30 J2018+0831 20 01 18 54.9 172.3 -0.3 -5.6 -9 292 No stop 11 44 00 --- 20 02 48 54.9 173.0 -0.3 -5.2 81 304 11 42 31 11 44 00 MG2016 20 02 48 57.8 172.0 -0.3 -5.9 -9 304 No stop 11 47 30 --- 20 06 19 57.9 173.6 -0.2 -4.8 201 331 11 44 01 11 48 10 J2018+0831 20 06 59 55.0 174.8 -0.2 -3.8 31 331 11 48 10 11 49 10 --- 20 07 59 55.0 175.2 -0.2 -3.5 60 338 11 48 11 11 49 10 MG2016 20 07 59 57.9 174.3 -0.2 -4.2 -9 338 No stop 11 52 40 --- 20 11 30 58.0 176.0 -0.1 -3.0 201 365 11 49 11 11 52 40 J2018+0831 20 11 30 55.1 176.7 -0.1 -2.4 -9 365 No stop 11 54 10 --- 20 13 00 55.1 177.3 -0.1 -1.9 81 377 11 52 41 11 54 10 MG2016 20 13 00 58.0 176.7 -0.1 -2.5 -9 377 No stop 11 57 40 --- 20 16 30 58.0 178.3 -0.1 -1.3 201 404 11 54 11 11 58 20 J2018+0831 20 17 10 55.1 179.2 -0.0 -0.6 31 404 11 58 20 11 59 20 --- 20 18 11 55.1 179.6 -0.0 -0.3 60 412 11 58 21 11 59 20 MG2016 20 18 11 58.0 179.1 -0.0 -0.7 -9 412 No stop 12 02 50 --- 20 21 41 58.0 180.7 0.0 0.5 201 438 11 59 21 12 02 50 J2018+0831 20 21 41 55.1 181.1 0.0 0.8 -9 438 No stop 12 04 20 --- 20 23 11 55.1 181.8 0.1 1.3 81 450 12 02 51 12 04 20 MG2016 20 23 11 58.0 181.4 0.0 1.0 -9 450 No stop 12 07 50 --- 20 26 42 58.0 183.0 0.1 2.2 201 477 12 04 21 12 08 30 J2018+0831 20 27 22 55.1 183.6 0.1 2.6 31 477 12 08 30 12 09 30 --- 20 28 22 55.1 184.0 0.2 2.9 60 485 12 08 31 12 10 00 3C345 20 28 52 48.5 285.0 3.8 65.8 -75 485 12 10 00 12 16 00 --- 20 34 53 47.5 285.7 3.9 65.4 285 531 12 10 01 12 16 30 J2018+0831 20 35 23 54.9 187.0 0.3 5.1 -72 531 12 16 30 12 18 30 --- 20 37 24 54.9 187.9 0.3 5.8 48 546 12 16 31 Schedule for URUMQI (Code Ur ) 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 --- 12 18 30 MG2016 20 37 24 57.8 187.9 0.3 5.9 -9 546 No stop 12 22 00 --- 20 40 54 57.7 189.5 0.3 7.0 201 573 12 18 31 12 22 00 J2018+0831 20 40 54 54.8 189.4 0.4 6.9 -9 573 No stop 12 23 30 --- 20 42 25 54.8 190.0 0.4 7.3 81 585 12 22 01 12 23 30 MG2016 20 42 25 57.7 190.2 0.4 7.5 -9 585 No stop 12 27 00 --- 20 45 55 57.6 191.8 0.4 8.7 201 612 12 23 31 12 27 30 J2018+0831 20 46 25 54.6 191.7 0.5 8.6 21 612 12 27 30 12 28 30 --- 20 47 25 54.6 192.1 0.5 8.9 60 619 12 27 31 12 28 30 MG2016 20 47 25 57.5 192.5 0.5 9.2 -9 619 No stop 12 32 00 --- 20 50 56 57.4 194.0 0.5 10.4 201 646 12 28 31 12 32 00 J2018+0831 20 50 56 54.4 193.6 0.5 9.9 -9 646 No stop 12 33 30 --- 20 52 26 54.4 194.2 0.6 10.4 81 658 12 32 01 12 33 30 MG2016 20 52 26 57.3 194.7 0.5 10.8 -9 658 No stop 12 37 00 --- 20 55 57 57.1 196.3 0.6 12.0 201 685 12 33 31 12 37 30 J2018+0831 20 56 27 54.2 195.9 0.6 11.6 21 685 12 37 30 12 38 30 --- 20 57 27 54.1 196.3 0.6 11.9 60 692 12 37 31 12 38 30 MG2016 20 57 27 57.0 196.9 0.6 12.5 -9 692 No stop 12 42 00 --- 21 00 58 56.9 198.5 0.7 13.6 201 719 12 38 31 12 42 00 J2018+0831 21 00 58 53.9 197.8 0.7 12.9 -9 719 No stop 12 43 30 --- 21 02 28 53.9 198.4 0.7 13.4 81 731 12 42 01 12 43 30 MG2016 21 02 28 56.8 199.1 0.7 14.0 -9 731 No stop 12 47 00 --- 21 05 58 56.5 200.6 0.8 15.1 201 758 12 43 31 12 47 30 J2018+0831 21 06 29 53.6 200.0 0.8 14.5 21 758 12 47 30 12 48 30 --- 21 07 29 53.6 200.4 0.8 14.8 60 765 12 47 31 12 48 30 MG2016 21 07 29 56.5 201.3 0.8 15.6 -9 765 No stop 12 52 00 --- 21 10 59 56.2 202.8 0.8 16.7 201 792 12 48 31 12 52 00 J2018+0831 21 10 59 53.3 201.8 0.9 15.8 -9 792 No stop 12 53 30 --- 21 12 30 53.2 202.4 0.9 16.2 81 804 12 52 01 12 53 30 MG2016 21 12 30 56.1 203.4 0.9 17.1 -9 804 No stop 12 57 00 --- 21 16 00 55.8 204.9 0.9 18.1 201 831 12 53 31 Schedule for URUMQI (Code Ur ) 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 --- 12 57 30 J2018+0831 21 16 30 52.9 204.0 1.0 17.4 21 831 12 57 30 12 58 30 --- 21 17 30 52.9 204.4 1.0 17.6 60 838 12 57 31 12 58 30 MG2016 21 17 30 55.7 205.5 1.0 18.6 -9 838 No stop 13 02 00 --- 21 21 01 55.4 206.9 1.0 19.6 201 865 12 58 31 13 02 00 J2018+0831 21 21 01 52.6 205.7 1.0 18.6 -9 865 No stop 13 03 30 --- 21 22 31 52.5 206.3 1.1 19.0 81 877 13 02 01 13 03 30 MG2016 21 22 31 55.3 207.5 1.0 20.0 -9 877 No stop 13 07 00 --- 21 26 02 55.0 209.0 1.1 21.0 201 904 13 03 31 13 07 30 J2018+0831 21 26 32 52.1 207.8 1.1 20.0 21 904 13 07 30 13 08 30 --- 21 27 32 52.1 208.2 1.1 20.3 60 912 13 07 31 13 08 30 MG2016 21 27 32 54.9 209.5 1.1 21.4 -9 912 No stop 13 12 00 --- 21 31 03 54.6 210.9 1.2 22.4 201 938 13 08 31 13 12 00 J2018+0831 21 31 03 51.8 209.5 1.2 21.2 -9 938 No stop 13 13 30 --- 21 32 33 51.6 210.1 1.2 21.6 81 950 13 12 01 13 13 30 MG2016 21 32 33 54.4 211.5 1.2 22.8 -9 950 No stop 13 17 00 --- 21 36 03 54.1 212.9 1.3 23.7 201 977 13 13 31 13 17 30 J2018+0831 21 36 33 51.2 211.6 1.3 22.6 21 977 13 17 30 13 18 30 --- 21 37 34 51.2 211.9 1.3 22.8 60 985 13 17 31 13 18 30 MG2016 21 37 34 53.9 213.4 1.3 24.1 -9 985 No stop 13 22 00 --- 21 41 04 53.6 214.8 1.3 25.0 201 1012 13 18 31 13 22 00 J2018+0831 21 41 04 50.8 213.2 1.4 23.7 -9 1012 No stop 13 23 30 --- 21 42 34 50.7 213.7 1.4 24.1 81 1023 13 22 01 13 23 30 MG2016 21 42 34 53.4 215.3 1.4 25.4 -9 1023 No stop 13 27 00 --- 21 46 05 53.1 216.6 1.4 26.2 201 1050 13 23 31 13 27 30 J2018+0831 21 46 35 50.2 215.2 1.5 25.0 21 1050 13 27 30 13 28 30 --- 21 47 35 50.1 215.5 1.5 25.2 60 1058 13 27 31 13 28 30 MG2016 21 47 35 52.9 217.2 1.5 26.6 -8 1058 No stop 13 32 00 --- 21 51 06 52.5 218.4 1.5 27.4 202 1085 13 28 31 13 32 00 J2018+0831 21 51 06 49.8 216.7 1.5 26.0 -8 1085 No stop 13 33 30 --- 21 52 36 49.6 217.2 1.6 26.4 82 1096 13 32 01 Schedule for URUMQI (Code Ur ) 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 --- 13 33 30 MG2016 21 52 36 52.3 219.0 1.5 27.8 -8 1096 No stop 13 37 00 --- 21 56 07 51.9 220.2 1.6 28.6 202 1123 13 33 31 13 37 30 J2018+0831 21 56 37 49.2 218.6 1.6 27.2 22 1123 13 37 30 13 38 30 --- 21 57 37 49.0 218.9 1.6 27.5 60 1131 13 37 31 13 38 30 MG2016 21 57 37 51.7 220.7 1.6 28.9 -8 1131 No stop 13 42 00 --- 22 01 07 51.3 221.9 1.7 29.7 202 1158 13 38 31 13 42 00 J2018+0831 22 01 07 48.6 220.1 1.7 28.2 -8 1158 No stop 13 43 30 --- 22 02 38 48.5 220.6 1.7 28.5 82 1169 13 42 01 13 43 30 MG2016 22 02 38 51.1 222.4 1.7 30.0 -8 1169 No stop 13 47 00 --- 22 06 08 50.7 223.6 1.8 30.7 202 1196 13 43 31 13 47 30 J2018+0831 22 06 38 48.0 221.9 1.8 29.3 22 1196 13 47 30 13 48 30 --- 22 07 39 47.9 222.2 1.8 29.5 60 1204 13 47 31 13 48 30 MG2016 22 07 39 50.5 224.1 1.8 31.0 -8 1204 No stop 13 52 00 --- 22 11 09 50.1 225.3 1.8 31.7 202 1231 13 48 31 13 52 00 J2018+0831 22 11 09 47.4 223.3 1.9 30.2 -8 1231 No stop 13 53 30 --- 22 12 39 47.2 223.8 1.9 30.5 82 1242 13 52 01 13 53 30 MG2016 22 12 39 49.9 225.7 1.9 32.0 -8 1242 No stop 13 57 00 --- 22 16 10 49.4 226.9 1.9 32.7 202 1269 13 53 31 13 57 30 J2018+0831 22 16 40 46.7 225.1 2.0 31.3 22 1269 13 57 30 13 58 30 --- 22 17 40 46.6 225.4 2.0 31.5 60 1277 13 57 31 14 00 00 3C345 22 19 10 30.0 298.1 5.6 56.4 13 1277 14 00 00 14 05 00 --- 22 24 11 29.2 298.7 5.7 55.9 300 1315 14 00 01 14 08 30 J2018+0831 22 27 42 45.3 228.4 2.1 33.3 135 1315 14 08 30 14 09 30 --- 22 28 42 45.1 228.7 2.2 33.4 60 1323 14 08 31 14 09 30 MG2016 22 28 42 47.7 230.7 2.1 35.0 -8 1323 No stop 14 13 00 --- 22 32 13 47.2 231.8 2.2 35.6 202 1350 14 09 31 14 13 00 J2018+0831 22 32 13 44.7 229.7 2.2 34.0 -8 1350 No stop 14 14 30 --- 22 33 43 44.4 230.1 2.2 34.3 82 1362 14 13 01 14 14 30 MG2016 22 33 43 47.0 232.2 2.2 35.8 -8 1362 No stop 14 18 00 --- 22 37 13 46.5 233.2 2.3 36.4 202 1388 14 14 31 Schedule for URUMQI (Code Ur ) 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 --- 14 18 40 J2018+0831 22 37 54 43.9 231.3 2.3 34.9 32 1388 14 18 40 14 19 40 --- 22 38 54 43.7 231.6 2.3 35.1 60 1396 14 18 41 14 19 40 MG2016 22 38 54 46.2 233.7 2.3 36.6 -8 1396 No stop 14 23 10 --- 22 42 24 45.7 234.7 2.4 37.2 202 1423 14 19 41 14 23 10 J2018+0831 22 42 24 43.2 232.6 2.4 35.6 -8 1423 No stop 14 24 40 --- 22 43 54 43.0 233.0 2.4 35.9 82 1435 14 23 11 14 24 40 MG2016 22 43 54 45.5 235.1 2.4 37.4 -8 1435 No stop 14 28 10 --- 22 47 25 45.0 236.1 2.5 37.9 202 1462 14 24 41 14 28 50 J2018+0831 22 48 05 42.4 234.1 2.5 36.5 32 1462 14 28 50 14 29 50 --- 22 49 05 42.2 234.4 2.5 36.6 60 1469 14 28 51 14 29 50 MG2016 22 49 05 44.7 236.5 2.5 38.2 -8 1469 No stop 14 33 20 --- 22 52 36 44.2 237.5 2.5 38.6 202 1496 14 29 51 14 33 20 J2018+0831 22 52 36 41.7 235.3 2.6 37.1 -8 1496 No stop 14 34 50 --- 22 54 06 41.5 235.7 2.6 37.3 82 1508 14 33 21 14 34 50 MG2016 22 54 06 44.0 237.9 2.6 38.8 -8 1508 No stop 14 38 20 --- 22 57 37 43.4 238.8 2.6 39.3 202 1535 14 34 51 14 39 00 J2018+0831 22 58 17 40.9 236.8 2.7 37.9 32 1535 14 39 00 14 40 00 --- 22 59 17 40.7 237.0 2.7 38.0 60 1542 14 39 01 14 40 00 MG2016 22 59 17 43.2 239.2 2.7 39.5 -8 1542 No stop 14 43 30 --- 23 02 48 42.6 240.1 2.7 40.0 202 1569 14 40 01 14 43 30 J2018+0831 23 02 48 40.2 237.9 2.7 38.5 -8 1569 No stop 14 45 00 --- 23 04 18 39.9 238.3 2.8 38.7 82 1581 14 43 31 14 45 00 MG2016 23 04 18 42.4 240.5 2.7 40.1 -8 1581 No stop 14 48 30 --- 23 07 48 41.8 241.4 2.8 40.6 202 1608 14 45 01 14 49 10 J2018+0831 23 08 29 39.3 239.4 2.8 39.2 32 1608 14 49 10 14 50 10 --- 23 09 29 39.1 239.6 2.8 39.3 60 1615 14 49 11 14 50 10 MG2016 23 09 29 41.5 241.8 2.8 40.8 -8 1615 No stop 14 53 40 --- 23 12 59 41.0 242.7 2.9 41.1 202 1642 14 50 11 14 53 40 J2018+0831 23 12 59 38.6 240.5 2.9 39.7 -8 1642 No stop 14 55 10 --- 23 14 30 38.3 240.8 2.9 39.9 82 1654 14 53 41 Schedule for URUMQI (Code Ur ) 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 --- 14 55 10 MG2016 23 14 30 40.7 243.0 2.9 41.3 -8 1654 No stop 14 58 40 --- 23 18 00 40.2 243.9 3.0 41.7 202 1681 14 55 11 14 59 20 J2018+0831 23 18 40 37.7 241.8 3.0 40.3 32 1681 14 59 20 15 00 20 --- 23 19 40 37.5 242.1 3.0 40.4 60 1688 14 59 21 15 00 20 MG2016 23 19 40 39.9 244.3 3.0 41.9 -8 1688 No stop 15 03 50 --- 23 23 11 39.3 245.1 3.0 42.2 202 1715 15 00 21 15 03 50 J2018+0831 23 23 11 37.0 242.9 3.1 40.8 -8 1715 No stop 15 05 20 --- 23 24 41 36.7 243.3 3.1 41.0 82 1727 15 03 51 15 05 20 MG2016 23 24 41 39.1 245.5 3.1 42.4 -8 1727 No stop 15 08 50 --- 23 28 12 38.5 246.3 3.1 42.7 202 1754 15 05 21 15 09 30 J2018+0831 23 28 52 36.0 244.2 3.2 41.4 32 1754 15 09 30 15 10 30 --- 23 29 52 35.9 244.5 3.2 41.5 60 1762 15 09 31 15 10 30 MG2016 23 29 52 38.2 246.7 3.2 42.8 -8 1762 No stop 15 14 00 --- 23 33 23 37.6 247.5 3.2 43.2 202 1788 15 10 31 15 14 00 J2018+0831 23 33 23 35.3 245.2 3.2 41.8 -8 1788 No stop 15 15 30 --- 23 34 53 35.0 245.6 3.3 41.9 82 1800 15 14 01 15 15 30 MG2016 23 34 53 37.4 247.8 3.2 43.3 -8 1800 No stop 15 19 00 --- 23 38 23 36.8 248.6 3.3 43.6 202 1827 15 15 31 15 19 40 J2018+0831 23 39 04 34.4 246.5 3.3 42.3 32 1827 15 19 40 15 20 40 --- 23 40 04 34.2 246.7 3.3 42.4 60 1835 15 19 41 15 20 40 MG2016 23 40 04 36.5 248.9 3.3 43.7 -8 1835 No stop 15 24 10 --- 23 43 34 35.9 249.7 3.4 44.0 202 1862 15 20 41 15 24 10 J2018+0831 23 43 34 33.6 247.5 3.4 42.7 -8 1862 No stop 15 25 40 --- 23 45 05 33.3 247.8 3.4 42.8 82 1873 15 24 11 15 25 40 MG2016 23 45 05 35.7 250.0 3.4 44.1 -8 1873 No stop 15 29 10 --- 23 48 35 35.1 250.8 3.5 44.4 202 1900 15 25 41 15 29 50 J2018+0831 23 49 15 32.6 248.7 3.5 43.2 32 1900 15 29 50 15 30 50 --- 23 50 15 32.5 249.0 3.5 43.2 60 1908 15 29 51 15 30 50 MG2016 23 50 15 34.8 251.2 3.5 44.5 -8 1908 No stop 15 34 20 --- 23 53 46 34.2 251.9 3.6 44.7 202 1935 15 30 51 Schedule for URUMQI (Code Ur ) 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 --- 15 34 20 J2018+0831 23 53 46 31.9 249.7 3.6 43.5 -8 1935 No stop 15 35 50 --- 23 55 16 31.6 250.0 3.6 43.6 82 1946 15 34 21 15 35 50 MG2016 23 55 16 33.9 252.2 3.6 44.8 -8 1946 No stop 15 39 20 --- 23 58 47 33.3 252.9 3.6 45.1 202 1973 15 35 51 15 40 00 J2018+0831 23 59 27 30.9 250.9 3.7 43.9 32 1973 15 40 00 15 41 00 --- 00 00 27 30.7 251.1 3.7 44.0 60 1981 15 40 01 15 41 00 MG2016 00 00 27 33.0 253.3 3.7 45.2 -8 1981 No stop 15 44 30 --- 00 03 58 32.4 254.0 3.7 45.4 202 2008 15 41 01 15 44 30 J2018+0831 00 03 58 30.1 251.8 3.7 44.2 -8 2008 No stop 15 46 00 --- 00 05 28 29.9 252.1 3.8 44.3 82 2019 15 44 31 15 46 00 MG2016 00 05 28 32.1 254.3 3.8 45.5 -7 2019 No stop 15 49 30 --- 00 08 58 31.5 255.0 3.8 45.7 203 2046 15 46 01 15 50 10 J2018+0831 00 09 39 29.1 253.0 3.8 44.6 32 2046 15 50 10 15 51 10 --- 00 10 39 29.0 253.2 3.9 44.6 60 2054 15 50 11 15 51 10 MG2016 00 10 39 31.2 255.4 3.8 45.8 -7 2054 No stop 15 54 40 --- 00 14 09 30.6 256.0 3.9 46.0 203 2081 15 51 11 15 54 40 J2018+0831 00 14 09 28.4 253.9 3.9 44.8 -8 2081 No stop 15 56 10 --- 00 15 40 28.1 254.2 3.9 44.9 82 2092 15 54 41 15 56 10 MG2016 00 15 40 30.3 256.3 3.9 46.0 -7 2092 No stop 15 59 40 --- 00 19 10 29.7 257.0 4.0 46.2 203 2119 15 56 11 16 00 20 J2018+0831 00 19 50 27.4 255.0 4.0 45.1 32 2119 16 00 20 16 01 20 --- 00 20 50 27.2 255.2 4.0 45.2 60 2127 16 00 21 16 01 20 MG2016 00 20 50 29.4 257.4 4.0 46.3 -7 2127 No stop 16 04 50 --- 00 24 21 28.8 258.0 4.1 46.4 203 2154 16 01 21 16 04 50 J2018+0831 00 24 21 26.6 255.9 4.1 45.4 -7 2154 No stop 16 06 20 --- 00 25 51 26.3 256.2 4.1 45.5 83 2165 16 04 51 16 06 20 MG2016 00 25 51 28.5 258.3 4.1 46.5 -7 2165 No stop 16 09 50 --- 00 29 22 27.9 259.0 4.2 46.6 203 2192 16 06 21 16 10 30 J2018+0831 00 30 02 25.6 257.0 4.2 45.7 33 2192 16 10 30 16 11 30 --- 00 31 02 25.4 257.2 4.2 45.7 60 2200 16 10 31 Schedule for URUMQI (Code Ur ) 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 --- 16 11 30 MG2016 00 31 02 27.6 259.3 4.2 46.7 -7 2200 No stop 16 15 00 --- 00 34 33 27.0 260.0 4.2 46.8 203 2227 16 11 31 16 15 00 J2018+0831 00 34 33 24.8 257.8 4.3 45.8 -7 2227 No stop 16 16 30 --- 00 36 03 24.5 258.1 4.3 45.9 83 2238 16 15 01 16 16 30 MG2016 00 36 03 26.7 260.3 4.3 46.9 -7 2238 No stop 16 20 00 --- 00 39 33 26.1 260.9 4.3 47.0 203 2265 16 16 31 16 20 40 J2018+0831 00 40 14 23.8 258.9 4.4 46.1 33 2265 16 20 40 16 21 40 --- 00 41 14 23.6 259.1 4.4 46.1 60 2273 16 20 41 16 21 40 MG2016 00 41 14 25.8 261.2 4.4 47.1 -7 2273 No stop 16 25 10 --- 00 44 44 25.2 261.9 4.4 47.2 203 2300 16 21 41 16 25 10 J2018+0831 00 44 44 23.0 259.7 4.4 46.2 -7 2300 No stop 16 26 40 --- 00 46 15 22.7 260.0 4.5 46.3 83 2312 16 25 11 16 26 40 MG2016 00 46 15 24.9 262.2 4.4 47.2 -7 2312 No stop 16 30 10 --- 00 49 45 24.3 262.8 4.5 47.3 203 2338 16 26 41 16 30 50 J2018+0831 00 50 25 21.9 260.8 4.5 46.4 33 2338 16 30 50 16 31 50 --- 00 51 25 21.8 261.0 4.5 46.5 60 2346 16 30 51 16 31 50 MG2016 00 51 25 24.0 263.1 4.5 47.3 -7 2346 No stop 16 35 20 --- 00 54 56 23.3 263.7 4.6 47.4 203 2373 16 31 51 16 35 20 J2018+0831 00 54 56 21.1 261.6 4.6 46.6 -7 2373 No stop 16 36 50 --- 00 56 26 20.9 261.9 4.6 46.6 83 2385 16 35 21 16 36 50 MG2016 00 56 26 23.1 264.0 4.6 47.4 -7 2385 No stop 16 40 20 --- 00 59 57 22.4 264.6 4.7 47.5 203 2412 16 36 51 16 41 00 J2018+0831 01 00 37 20.1 262.7 4.7 46.7 33 2412 16 41 00 16 42 00 --- 01 01 37 19.9 262.8 4.7 46.7 60 2419 16 41 01 16 42 00 MG2016 01 01 37 22.1 264.9 4.7 47.5 -7 2419 No stop 16 45 30 --- 01 05 08 21.5 265.6 4.7 47.6 203 2446 16 42 01 16 45 30 J2018+0831 01 05 08 19.3 263.5 4.8 46.8 -7 2446 No stop 16 47 00 --- 01 06 38 19.0 263.7 4.8 46.9 83 2458 16 45 31 16 47 00 MG2016 01 06 38 21.2 265.8 4.8 47.6 -7 2458 No stop 16 50 30 --- 01 10 08 20.6 266.4 4.8 47.7 203 2485 16 47 01 Schedule for URUMQI (Code Ur ) 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 --- 16 51 10 J2018+0831 01 10 49 18.3 264.5 4.9 46.9 33 2485 16 51 10 16 52 10 --- 01 11 49 18.1 264.7 4.9 47.0 60 2492 16 51 11 16 52 10 MG2016 01 11 49 20.3 266.7 4.9 47.7 -7 2492 No stop 16 55 40 --- 01 15 19 19.6 267.4 4.9 47.7 203 2519 16 52 11 16 55 40 J2018+0831 01 15 19 17.5 265.3 4.9 47.0 -7 2519 No stop 16 57 10 --- 01 16 50 17.2 265.5 5.0 47.0 83 2531 16 55 41 16 57 10 MG2016 01 16 50 19.4 267.6 4.9 47.7 -7 2531 No stop 17 00 40 --- 01 20 20 18.7 268.2 5.0 47.8 203 2558 16 57 11 17 01 20 J2018+0831 01 21 00 16.4 266.3 5.0 47.1 33 2558 17 01 20 17 02 20 --- 01 22 00 16.3 266.5 5.0 47.1 60 2565 17 01 21 17 02 20 MG2016 01 22 00 18.4 268.5 5.0 47.8 -7 2565 No stop 17 05 50 --- 01 25 31 17.8 269.1 5.1 47.8 203 2592 17 02 21 17 05 50 J2018+0831 01 25 31 15.6 267.1 5.1 47.1 -7 2592 No stop 17 07 20 --- 01 27 01 15.3 267.3 5.1 47.2 83 2604 17 05 51 17 07 20 MG2016 01 27 01 17.5 269.4 5.1 47.8 -7 2604 No stop 17 10 50 --- 01 30 32 16.9 270.0 5.2 47.8 203 2631 17 07 21 17 11 30 J2018+0831 01 31 12 14.6 268.1 5.2 47.2 33 2631 17 11 30 17 12 30 --- 01 32 12 14.4 268.2 5.2 47.2 60 2638 17 11 31 17 12 30 MG2016 01 32 12 16.6 270.3 5.2 47.8 -7 2638 No stop 17 16 00 --- 01 35 43 15.9 270.9 5.3 47.8 203 2665 17 12 31 17 16 00 J2018+0831 01 35 43 13.8 268.8 5.3 47.2 -7 2665 No stop 17 17 30 --- 01 37 13 13.5 269.1 5.3 47.2 83 2677 17 16 01 17 17 30 MG2016 01 37 13 15.7 271.1 5.3 47.8 -7 2677 No stop 17 21 00 --- 01 40 43 15.0 271.7 5.3 47.8 203 2704 17 17 31 17 21 40 J2018+0831 01 41 24 12.7 269.8 5.4 47.2 33 2704 17 21 40 17 22 40 --- 01 42 24 12.6 270.0 5.4 47.2 60 2712 17 21 41 17 22 40 MG2016 01 42 24 14.7 272.0 5.4 47.7 -7 2712 No stop 17 26 10 --- 01 45 54 14.1 272.6 5.4 47.7 203 2738 17 22 41 17 26 10 J2018+0831 01 45 54 11.9 270.6 5.4 47.2 -7 2738 No stop 17 27 40 --- 01 47 25 11.6 270.9 5.5 47.2 83 2750 17 26 11 Schedule for URUMQI (Code Ur ) 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 --- 17 27 40 MG2016 01 47 25 13.8 272.9 5.5 47.7 -7 2750 No stop 17 31 10 --- 01 50 55 13.2 273.5 5.5 47.7 203 2777 17 27 41 17 31 50 J2018+0831 01 51 35 10.9 271.6 5.5 47.2 33 2777 17 31 50 17 32 50 --- 01 52 35 10.7 271.7 5.6 47.2 60 2785 17 31 51 17 32 50 MG2016 01 52 35 12.9 273.8 5.5 47.7 -7 2785 No stop 17 36 20 --- 01 56 06 12.2 274.3 5.6 47.6 203 2812 17 32 51 17 36 20 J2018+0831 01 56 06 10.1 272.3 5.6 47.2 -7 2812 No stop 17 37 50 --- 01 57 36 9.8 272.6 5.6 47.2 83 2823 17 36 21 17 37 50 MG2016 01 57 36 12.0 274.6 5.6 47.6 -7 2823 No stop 17 41 20 --- 02 01 07 11.3 275.2 5.7 47.5 203 2850 17 37 51 17 42 00 J2018+0831 02 01 47 9.0 273.3 5.7 47.1 33 2850 17 42 00 17 43 00 --- 02 02 47 8.9 273.5 5.7 47.1 60 2858 17 42 01 17 43 00 MG2016 02 02 47 11.0 275.5 5.7 47.5 -7 2858 No stop 17 46 30 --- 02 06 18 10.4 276.1 5.8 47.4 203 2885 17 43 01 17 46 30 J2018+0831 02 06 18 8.2 274.1 5.8 47.1 -7 2885 No stop 17 48 00 --- 02 07 48 7.9 274.3 5.8 47.0 83 2896 17 46 31 17 48 00 MG2016 02 07 48 10.1 276.3 5.8 47.4 -7 2896 No stop 17 51 30 --- 02 11 18 9.5 276.9 5.9 47.3 203 2923 17 48 01 17 52 10 J2018+0831 02 11 59 7.2 275.0 5.9 47.0 33 2923 17 52 10 17 53 10 --- 02 12 59 7.0 275.2 5.9 47.0 60 2931 17 52 11 17 53 10 MG2016 02 12 59 9.2 277.2 5.9 47.3 -7 2931 No stop 17 56 40 --- 02 16 29 8.6 277.8 5.9 47.2 203 2958 17 53 11 17 56 40 J2018+0831 02 16 29 6.4 275.8 6.0 46.9 -7 2958 No stop 17 58 10 --- 02 18 00 6.1 276.1 6.0 46.9 83 2969 17 56 41 17 58 10 MG2016 02 18 00 8.3 278.0 6.0 47.2 -7 2969 No stop 18 01 40 --- 02 21 30 7.7 278.6 6.0 47.1 203 2996 17 58 11 18 02 20 J2018+0831 02 22 10 5.4 276.8 6.1 46.8 33 2996 18 02 20 18 03 20 --- 02 23 10 5.2 276.9 6.1 46.8 60 3004 18 02 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: 25 Station: URUMQI Total bit rate: 1024 Format: MARK5B 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= 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 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 = A2 C1 A2 C1 A2 C1 A2 C1 The following frequency sets based on these setups were used. Frequency Set: 2 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= 272.25 272.25 272.25 272.25 336.25 336.25 336.25 336.25 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 Track assignments are: track1= 10, 14, 2, 6, 12, 16, 4, 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