COVER INFORMATION Station: URUMQI (Code Ur ) 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 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 ---------------------------------------------------------------------------------------- --- 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: 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 10 45 00 J2018+0831 18 51 49 50.3 144.9 -1.5 -25.0 0 0 10 45 00 10 47 00 --- 18 53 49 50.5 145.6 -1.4 -24.5 120 15 10 45 01 10 49 00 3C345 18 55 49 65.2 272.9 2.2 70.6 -11 15 10 49 00 10 51 30 --- 18 58 20 64.7 273.3 2.2 70.5 139 35 10 49 01 10 52 00 J2018+0831 18 58 50 51.0 147.4 -1.3 -23.3 -99 35 10 52 00 10 54 00 --- 19 00 50 51.2 148.1 -1.3 -22.8 21 50 10 52 01 10 54 00 MG2016 19 00 50 53.7 145.8 -1.3 -24.6 -8 50 No stop 10 57 30 --- 19 04 21 54.1 147.1 -1.3 -23.7 202 77 10 54 01 10 57 30 J2018+0831 19 04 21 51.5 149.4 -1.2 -21.9 -8 77 No stop 10 59 00 --- 19 05 51 51.6 150.0 -1.2 -21.6 82 88 10 57 31 10 59 00 MG2016 19 05 51 54.2 147.7 -1.2 -23.3 -8 88 No stop 11 02 30 --- 19 09 22 54.6 149.1 -1.2 -22.4 202 115 10 59 01 11 03 00 J2018+0831 19 09 52 52.0 151.5 -1.2 -20.5 22 115 11 03 00 11 04 00 --- 19 10 52 52.1 151.8 -1.1 -20.3 60 123 11 03 01 11 04 00 MG2016 19 10 52 54.7 149.6 -1.2 -22.0 -8 123 No stop 11 07 30 --- 19 14 22 55.0 151.0 -1.1 -21.0 202 150 11 04 01 11 07 30 J2018+0831 19 14 22 52.4 153.2 -1.1 -19.4 -8 150 No stop 11 09 00 --- 19 15 53 52.5 153.7 -1.1 -19.0 82 162 11 07 31 11 09 00 MG2016 19 15 53 55.1 151.6 -1.1 -20.6 -8 162 No stop 11 12 30 --- 19 19 23 55.4 153.0 -1.0 -19.6 202 188 11 09 01 11 13 00 J2018+0831 19 19 53 52.8 155.3 -1.0 -17.9 22 188 11 13 00 11 14 00 --- 19 20 54 52.9 155.7 -1.0 -17.6 60 196 11 13 01 11 14 00 MG2016 19 20 54 55.6 153.7 -1.0 -19.2 -8 196 No stop 11 17 30 --- 19 24 24 55.8 155.1 -0.9 -18.2 202 223 11 14 01 11 17 30 J2018+0831 19 24 24 53.1 157.1 -0.9 -16.6 -8 223 No stop 11 19 00 --- 19 25 54 53.2 157.7 -0.9 -16.2 82 235 11 17 31 11 19 00 MG2016 19 25 54 56.0 155.7 -0.9 -17.7 -8 235 No stop 11 22 30 --- 19 29 25 56.2 157.2 -0.8 -16.7 202 262 11 19 01 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 11 23 00 J2018+0831 19 29 55 53.5 159.3 -0.8 -15.1 22 262 11 23 00 11 24 00 --- 19 30 55 53.6 159.7 -0.8 -14.8 60 269 11 23 01 11 24 00 MG2016 19 30 55 56.3 157.8 -0.8 -16.2 -9 269 No stop 11 27 30 --- 19 34 26 56.5 159.3 -0.8 -15.1 201 296 11 24 01 11 27 30 J2018+0831 19 34 26 53.8 161.1 -0.7 -13.8 -9 296 No stop 11 29 00 --- 19 35 56 53.9 161.7 -0.7 -13.3 81 308 11 27 31 11 29 00 MG2016 19 35 56 56.6 160.0 -0.7 -14.7 -9 308 No stop 11 32 30 --- 19 39 27 56.9 161.5 -0.7 -13.6 201 335 11 29 01 11 33 00 J2018+0831 19 39 57 54.1 163.3 -0.7 -12.2 21 335 11 33 00 11 34 00 --- 19 40 57 54.1 163.7 -0.6 -11.9 60 342 11 33 01 11 34 00 MG2016 19 40 57 56.9 162.2 -0.7 -13.1 -9 342 No stop 11 37 30 --- 19 44 27 57.1 163.7 -0.6 -12.0 201 369 11 34 01 11 37 30 J2018+0831 19 44 27 54.3 165.2 -0.6 -10.8 -9 369 No stop 11 39 00 --- 19 45 58 54.4 165.8 -0.6 -10.4 81 381 11 37 31 11 39 00 MG2016 19 45 58 57.2 164.4 -0.6 -11.5 -9 381 No stop 11 42 30 --- 19 49 28 57.4 165.9 -0.5 -10.4 201 408 11 39 01 11 43 00 J2018+0831 19 49 58 54.5 167.5 -0.5 -9.1 21 408 11 43 00 11 44 00 --- 19 50 58 54.6 167.9 -0.5 -8.8 60 415 11 43 01 11 44 00 MG2016 19 50 58 57.4 166.6 -0.5 -9.9 -9 415 No stop 11 47 30 --- 19 54 29 57.6 168.2 -0.4 -8.7 201 442 11 44 01 11 47 30 J2018+0831 19 54 29 54.7 169.4 -0.4 -7.7 -9 442 No stop 11 49 00 --- 19 55 59 54.8 170.1 -0.4 -7.3 81 454 11 47 31 11 49 00 MG2016 19 55 59 57.6 168.9 -0.4 -8.2 -9 454 No stop 11 52 30 --- 19 59 30 57.7 170.5 -0.3 -7.1 201 481 11 49 01 11 53 00 J2018+0831 20 00 00 54.9 171.8 -0.3 -6.0 21 481 11 53 00 11 54 00 --- 20 01 00 54.9 172.2 -0.3 -5.7 60 488 11 53 01 11 54 30 3C345 20 01 30 53.4 281.7 3.3 67.6 -84 488 11 54 30 12 00 30 --- 20 07 31 52.3 282.4 3.4 67.3 276 535 11 54 31 12 01 00 J2018+0831 20 08 01 55.0 175.2 -0.2 -3.5 -81 535 12 01 00 12 03 00 --- 20 10 02 55.1 176.1 -0.2 -2.9 39 550 12 01 01 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 12 03 00 MG2016 20 10 02 58.0 175.3 -0.2 -3.5 -9 550 No stop 12 06 30 --- 20 13 32 58.0 176.9 -0.1 -2.3 201 577 12 03 01 12 06 30 J2018+0831 20 13 32 55.1 177.6 -0.1 -1.8 -9 577 No stop 12 08 00 --- 20 15 02 55.1 178.2 -0.1 -1.3 81 588 12 06 31 12 08 00 MG2016 20 15 02 58.0 177.6 -0.1 -1.8 -9 588 No stop 12 11 30 --- 20 18 33 58.0 179.2 -0.0 -0.6 201 615 12 08 01 12 12 00 J2018+0831 20 19 03 55.1 180.0 -0.0 -0.0 21 615 12 12 00 12 13 00 --- 20 20 03 55.1 180.4 0.0 0.3 60 623 12 12 01 12 13 00 MG2016 20 20 03 58.0 179.9 -0.0 -0.1 -9 623 No stop 12 16 30 --- 20 23 34 58.0 181.5 0.1 1.1 201 650 12 13 01 12 16 30 J2018+0831 20 23 34 55.1 181.9 0.1 1.4 -9 650 No stop 12 18 00 --- 20 25 04 55.1 182.6 0.1 1.9 81 662 12 16 31 12 18 00 MG2016 20 25 04 58.0 182.2 0.1 1.7 -9 662 No stop 12 21 30 --- 20 28 35 58.0 183.9 0.1 2.9 201 688 12 18 01 12 22 00 J2018+0831 20 29 05 55.1 184.3 0.2 3.2 21 688 12 22 00 12 23 00 --- 20 30 05 55.0 184.7 0.2 3.5 60 696 12 22 01 12 23 00 MG2016 20 30 05 58.0 184.6 0.2 3.4 -9 696 No stop 12 26 30 --- 20 33 35 57.9 186.2 0.2 4.6 201 723 12 23 01 12 26 30 J2018+0831 20 33 35 55.0 186.2 0.2 4.6 -9 723 No stop 12 28 00 --- 20 35 06 55.0 186.9 0.3 5.0 81 735 12 26 31 12 28 00 MG2016 20 35 06 57.9 186.9 0.2 5.1 -9 735 No stop 12 31 30 --- 20 38 36 57.8 188.5 0.3 6.3 201 762 12 28 01 12 32 00 J2018+0831 20 39 06 54.9 188.6 0.3 6.3 21 762 12 32 00 12 33 00 --- 20 40 06 54.8 189.0 0.3 6.6 60 769 12 32 01 12 33 00 MG2016 20 40 06 57.8 189.2 0.3 6.8 -9 769 No stop 12 36 30 --- 20 43 37 57.6 190.8 0.4 7.9 201 796 12 33 01 12 36 30 J2018+0831 20 43 37 54.7 190.5 0.4 7.7 -9 796 No stop 12 38 00 --- 20 45 07 54.7 191.2 0.4 8.2 81 808 12 36 31 12 38 00 MG2016 20 45 07 57.6 191.4 0.4 8.4 -9 808 No stop 12 41 30 --- 20 48 38 57.5 193.0 0.5 9.6 201 835 12 38 01 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 12 42 00 J2018+0831 20 49 08 54.5 192.8 0.5 9.4 21 835 12 42 00 12 43 00 --- 20 50 08 54.5 193.3 0.5 9.7 60 842 12 42 01 12 43 00 MG2016 20 50 08 57.4 193.7 0.5 10.1 -9 842 No stop 12 46 30 --- 20 53 39 57.2 195.3 0.6 11.2 201 869 12 43 01 12 46 30 J2018+0831 20 53 39 54.3 194.7 0.6 10.8 -9 869 No stop 12 48 00 --- 20 55 09 54.2 195.4 0.6 11.2 81 881 12 46 31 12 48 00 MG2016 20 55 09 57.2 195.9 0.6 11.7 -9 881 No stop 12 51 30 --- 20 58 40 57.0 197.5 0.6 12.8 201 908 12 48 01 12 52 00 J2018+0831 20 59 10 54.0 197.0 0.7 12.4 21 908 12 52 00 12 53 00 --- 21 00 10 54.0 197.4 0.7 12.7 60 915 12 52 01 12 53 00 MG2016 21 00 10 56.9 198.1 0.7 13.3 -9 915 No stop 12 56 30 --- 21 03 40 56.7 199.6 0.7 14.4 201 942 12 53 01 12 56 30 J2018+0831 21 03 40 53.8 198.9 0.7 13.7 -9 942 No stop 12 58 00 --- 21 05 11 53.7 199.5 0.8 14.2 81 954 12 56 31 12 58 00 MG2016 21 05 11 56.6 200.3 0.7 14.9 -9 954 No stop 13 01 30 --- 21 08 41 56.4 201.8 0.8 16.0 201 981 12 58 01 13 02 00 J2018+0831 21 09 11 53.5 201.1 0.8 15.3 21 981 13 02 00 13 03 00 --- 21 10 11 53.4 201.5 0.9 15.6 60 988 13 02 01 13 03 00 MG2016 21 10 11 56.3 202.4 0.8 16.4 -9 988 No stop 13 06 30 --- 21 13 42 56.0 203.9 0.9 17.5 201 1015 13 03 01 13 06 30 J2018+0831 21 13 42 53.1 202.9 0.9 16.6 -9 1015 No stop 13 08 00 --- 21 15 12 53.0 203.5 0.9 17.0 81 1027 13 06 31 13 08 00 MG2016 21 15 12 55.9 204.5 0.9 17.9 -9 1027 No stop 13 11 30 --- 21 18 43 55.6 206.0 1.0 18.9 201 1054 13 08 01 13 12 00 J2018+0831 21 19 13 52.7 205.0 1.0 18.1 21 1054 13 12 00 13 13 00 --- 21 20 13 52.7 205.4 1.0 18.4 60 1062 13 12 01 13 13 00 MG2016 21 20 13 55.5 206.6 1.0 19.4 -9 1062 No stop 13 16 30 --- 21 23 44 55.2 208.0 1.1 20.4 201 1088 13 13 01 13 16 30 J2018+0831 21 23 44 52.4 206.8 1.1 19.3 -9 1088 No stop 13 18 00 --- 21 25 14 52.3 207.4 1.1 19.7 81 1100 13 16 31 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 13 18 00 MG2016 21 25 14 55.1 208.6 1.1 20.8 -9 1100 No stop 13 21 30 --- 21 28 44 54.8 210.0 1.1 21.8 201 1127 13 18 01 13 22 00 J2018+0831 21 29 15 51.9 208.9 1.2 20.8 21 1127 13 22 00 13 23 00 --- 21 30 15 51.8 209.2 1.2 21.0 60 1135 13 22 01 13 23 00 MG2016 21 30 15 54.6 210.6 1.2 22.2 -9 1135 No stop 13 26 30 --- 21 33 45 54.3 212.0 1.2 23.1 201 1162 13 23 01 13 26 30 J2018+0831 21 33 45 51.5 210.5 1.2 21.9 -9 1162 No stop 13 28 00 --- 21 35 16 51.4 211.1 1.3 22.3 81 1173 13 26 31 13 28 00 MG2016 21 35 16 54.2 212.6 1.3 23.5 -9 1173 No stop 13 31 30 --- 21 38 46 53.8 213.9 1.3 24.4 201 1200 13 28 01 13 32 00 J2018+0831 21 39 16 51.0 212.6 1.3 23.3 21 1200 13 32 00 13 33 00 --- 21 40 16 50.9 212.9 1.4 23.5 60 1208 13 32 01 13 33 00 MG2016 21 40 16 53.7 214.5 1.3 24.8 -9 1208 No stop 13 36 30 --- 21 43 47 53.3 215.8 1.4 25.7 201 1235 13 33 01 13 36 30 J2018+0831 21 43 47 50.5 214.2 1.4 24.3 -9 1235 No stop 13 38 00 --- 21 45 17 50.4 214.7 1.4 24.7 81 1246 13 36 31 13 38 00 MG2016 21 45 17 53.1 216.3 1.4 26.0 -8 1246 No stop 13 41 30 --- 21 48 48 52.8 217.6 1.5 26.9 202 1273 13 38 01 13 42 00 J2018+0831 21 49 18 50.0 216.1 1.5 25.6 21 1273 13 42 00 13 43 00 --- 21 50 18 49.9 216.4 1.5 25.9 60 1281 13 42 01 13 44 30 3C345 21 51 48 34.4 294.8 5.1 59.0 8 1281 13 44 30 13 49 30 --- 21 56 49 33.6 295.4 5.2 58.6 300 1319 13 44 31 13 53 00 J2018+0831 22 00 20 48.7 219.8 1.7 28.0 130 1319 13 53 00 13 54 00 --- 22 01 20 48.6 220.2 1.7 28.3 60 1327 13 53 01 13 54 00 MG2016 22 01 20 51.3 222.0 1.7 29.7 -8 1327 No stop 13 57 30 --- 22 04 50 50.9 223.2 1.7 30.5 202 1354 13 54 01 13 57 30 J2018+0831 22 04 50 48.2 221.3 1.8 29.0 -8 1354 No stop 13 59 00 --- 22 06 21 48.0 221.8 1.8 29.3 82 1365 13 57 31 13 59 00 MG2016 22 06 21 50.7 223.7 1.8 30.8 -8 1365 No stop 14 02 30 --- 22 09 51 50.2 224.8 1.8 31.5 202 1392 13 59 01 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 14 03 10 J2018+0831 22 10 31 47.5 223.1 1.9 30.1 32 1392 14 03 10 14 04 10 --- 22 11 31 47.4 223.4 1.9 30.3 60 1400 14 03 11 14 04 10 MG2016 22 11 31 50.0 225.4 1.9 31.8 -8 1400 No stop 14 07 40 --- 22 15 02 49.6 226.5 1.9 32.5 202 1427 14 04 11 14 07 40 J2018+0831 22 15 02 46.9 224.5 1.9 31.0 -8 1427 No stop 14 09 10 --- 22 16 32 46.7 225.0 2.0 31.3 82 1438 14 07 41 14 09 10 MG2016 22 16 32 49.4 227.0 1.9 32.8 -8 1438 No stop 14 12 40 --- 22 20 03 48.9 228.1 2.0 33.4 202 1465 14 09 11 14 13 20 J2018+0831 22 20 43 46.2 226.3 2.0 32.0 32 1465 14 13 20 14 14 20 --- 22 21 43 46.1 226.6 2.0 32.2 60 1473 14 13 21 14 14 20 MG2016 22 21 43 48.7 228.6 2.0 33.8 -8 1473 No stop 14 17 50 --- 22 25 14 48.2 229.7 2.1 34.4 202 1500 14 14 21 14 17 50 J2018+0831 22 25 14 45.6 227.6 2.1 32.8 -8 1500 No stop 14 19 20 --- 22 26 44 45.4 228.1 2.1 33.1 82 1512 14 17 51 14 19 20 MG2016 22 26 44 48.0 230.1 2.1 34.6 -8 1512 No stop 14 22 50 --- 22 30 15 47.5 231.2 2.2 35.2 202 1538 14 19 21 14 23 30 J2018+0831 22 30 55 44.8 229.3 2.2 33.8 32 1538 14 23 30 14 24 30 --- 22 31 55 44.7 229.6 2.2 34.0 60 1546 14 23 31 14 24 30 MG2016 22 31 55 47.2 231.7 2.2 35.5 -8 1546 No stop 14 28 00 --- 22 35 25 46.7 232.7 2.3 36.1 202 1573 14 24 31 14 28 00 J2018+0831 22 35 25 44.2 230.6 2.3 34.6 -8 1573 No stop 14 29 30 --- 22 36 56 44.0 231.0 2.3 34.8 82 1585 14 28 01 14 29 30 MG2016 22 36 56 46.5 233.1 2.3 36.3 -8 1585 No stop 14 33 00 --- 22 40 26 46.0 234.1 2.3 36.9 202 1612 14 29 31 14 33 40 J2018+0831 22 41 06 43.4 232.2 2.4 35.4 32 1612 14 33 40 14 34 40 --- 22 42 06 43.3 232.5 2.4 35.6 60 1619 14 33 41 14 34 40 MG2016 22 42 06 45.8 234.6 2.4 37.1 -8 1619 No stop 14 38 10 --- 22 45 37 45.2 235.6 2.4 37.7 202 1646 14 34 41 14 38 10 J2018+0831 22 45 37 42.7 233.4 2.4 36.1 -8 1646 No stop 14 39 40 --- 22 47 07 42.5 233.8 2.5 36.3 82 1658 14 38 11 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 14 39 40 MG2016 22 47 07 45.0 236.0 2.4 37.9 -8 1658 No stop 14 43 10 --- 22 50 38 44.5 236.9 2.5 38.4 202 1685 14 39 41 14 43 50 J2018+0831 22 51 18 41.9 235.0 2.5 36.9 32 1685 14 43 50 14 44 50 --- 22 52 18 41.8 235.2 2.6 37.1 60 1692 14 43 51 14 44 50 MG2016 22 52 18 44.2 237.4 2.5 38.6 -8 1692 No stop 14 48 20 --- 22 55 49 43.7 238.3 2.6 39.1 202 1719 14 44 51 14 48 20 J2018+0831 22 55 49 41.2 236.1 2.6 37.6 -8 1719 No stop 14 49 50 --- 22 57 19 41.0 236.5 2.6 37.8 82 1731 14 48 21 14 49 50 MG2016 22 57 19 43.5 238.7 2.6 39.3 -8 1731 No stop 14 53 20 --- 23 00 50 42.9 239.6 2.7 39.7 202 1758 14 49 51 14 54 00 J2018+0831 23 01 30 40.4 237.6 2.7 38.3 32 1758 14 54 00 14 55 00 --- 23 02 30 40.2 237.9 2.7 38.4 60 1765 14 54 01 14 55 00 MG2016 23 02 30 42.7 240.0 2.7 39.9 -8 1765 No stop 14 58 30 --- 23 06 00 42.1 240.9 2.8 40.3 202 1792 14 55 01 14 58 30 J2018+0831 23 06 00 39.7 238.7 2.8 38.9 -8 1792 No stop 15 00 00 --- 23 07 31 39.4 239.1 2.8 39.0 82 1804 14 58 31 15 00 00 MG2016 23 07 31 41.9 241.3 2.8 40.5 -8 1804 No stop 15 03 30 --- 23 11 01 41.3 242.2 2.8 40.9 202 1831 15 00 01 15 04 10 J2018+0831 23 11 41 38.8 240.2 2.9 39.5 32 1831 15 04 10 15 05 10 --- 23 12 41 38.6 240.4 2.9 39.7 60 1838 15 04 11 15 05 10 MG2016 23 12 41 41.0 242.6 2.9 41.1 -8 1838 No stop 15 08 40 --- 23 16 12 40.5 243.5 2.9 41.5 202 1865 15 05 11 15 08 40 J2018+0831 23 16 12 38.1 241.2 3.0 40.1 -8 1865 No stop 15 10 10 --- 23 17 42 37.8 241.6 3.0 40.2 82 1877 15 08 41 15 10 10 MG2016 23 17 42 40.2 243.8 3.0 41.7 -8 1877 No stop 15 13 40 --- 23 21 13 39.6 244.6 3.0 42.0 202 1904 15 10 11 15 14 20 J2018+0831 23 21 53 37.2 242.6 3.0 40.7 32 1904 15 14 20 15 15 20 --- 23 22 53 37.0 242.8 3.1 40.8 60 1912 15 14 21 15 15 20 MG2016 23 22 53 39.4 245.0 3.0 42.2 -8 1912 No stop 15 18 50 --- 23 26 24 38.8 245.9 3.1 42.5 202 1938 15 15 21 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 15 18 50 J2018+0831 23 26 24 36.4 243.7 3.1 41.1 -8 1938 No stop 15 20 20 --- 23 27 54 36.2 244.0 3.1 41.3 82 1950 15 18 51 15 20 20 MG2016 23 27 54 38.5 246.2 3.1 42.7 -8 1950 No stop 15 23 50 --- 23 31 25 38.0 247.0 3.2 43.0 202 1977 15 20 21 15 24 30 J2018+0831 23 32 05 35.5 245.0 3.2 41.7 32 1977 15 24 30 15 25 30 --- 23 33 05 35.3 245.2 3.2 41.8 60 1985 15 24 31 15 25 30 MG2016 23 33 05 37.7 247.4 3.2 43.1 -8 1985 No stop 15 29 00 --- 23 36 35 37.1 248.2 3.3 43.4 202 2012 15 25 31 15 29 00 J2018+0831 23 36 35 34.8 246.0 3.3 42.1 -8 2012 No stop 15 30 30 --- 23 38 06 34.5 246.3 3.3 42.2 82 2023 15 29 01 15 30 30 MG2016 23 38 06 36.8 248.5 3.3 43.6 -8 2023 No stop 15 34 00 --- 23 41 36 36.2 249.3 3.4 43.8 202 2050 15 30 31 15 34 40 J2018+0831 23 42 16 33.8 247.2 3.4 42.6 32 2050 15 34 40 15 35 40 --- 23 43 16 33.6 247.4 3.4 42.7 60 2058 15 34 41 15 35 40 MG2016 23 43 16 36.0 249.6 3.4 44.0 -8 2058 No stop 15 39 10 --- 23 46 47 35.4 250.4 3.4 44.2 202 2085 15 35 41 15 39 10 J2018+0831 23 46 47 33.1 248.2 3.5 43.0 -8 2085 No stop 15 40 40 --- 23 48 17 32.8 248.5 3.5 43.1 82 2096 15 39 11 15 40 40 MG2016 23 48 17 35.1 250.7 3.5 44.4 -8 2096 No stop 15 44 10 --- 23 51 48 34.5 251.5 3.5 44.6 202 2123 15 40 41 15 44 50 J2018+0831 23 52 28 32.1 249.4 3.6 43.4 32 2123 15 44 50 15 45 50 --- 23 53 28 31.9 249.6 3.6 43.5 60 2131 15 44 51 15 45 50 MG2016 23 53 28 34.2 251.8 3.6 44.7 -8 2131 No stop 15 49 20 --- 23 56 59 33.6 252.6 3.6 45.0 202 2158 15 45 51 15 49 20 J2018+0831 23 56 59 31.3 250.4 3.6 43.7 -8 2158 No stop 15 50 50 --- 23 58 29 31.1 250.7 3.7 43.8 82 2169 15 49 21 15 50 50 MG2016 23 58 29 33.3 252.9 3.6 45.1 -8 2169 No stop 15 54 20 --- 00 02 00 32.7 253.6 3.7 45.3 202 2196 15 50 51 15 55 00 J2018+0831 00 02 40 30.4 251.6 3.7 44.1 32 2196 15 55 00 15 56 00 --- 00 03 40 30.2 251.8 3.7 44.2 60 2204 15 55 01 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 15 56 00 MG2016 00 03 40 32.4 253.9 3.7 45.4 -7 2204 No stop 15 59 30 --- 00 07 10 31.8 254.7 3.8 45.6 203 2231 15 56 01 15 59 30 J2018+0831 00 07 10 29.6 252.5 3.8 44.4 -8 2231 No stop 16 01 00 --- 00 08 41 29.3 252.8 3.8 44.5 82 2242 15 59 31 16 01 00 MG2016 00 08 41 31.6 255.0 3.8 45.7 -7 2242 No stop 16 04 30 --- 00 12 11 31.0 255.7 3.9 45.9 203 2269 16 01 01 16 05 10 J2018+0831 00 12 51 28.6 253.6 3.9 44.8 32 2269 16 05 10 16 06 10 --- 00 13 51 28.4 253.8 3.9 44.8 60 2277 16 05 11 16 06 10 MG2016 00 13 51 30.7 256.0 3.9 45.9 -7 2277 No stop 16 09 40 --- 00 17 22 30.0 256.7 4.0 46.1 203 2304 16 06 11 16 09 40 J2018+0831 00 17 22 27.8 254.5 4.0 45.0 -8 2304 No stop 16 11 10 --- 00 18 52 27.5 254.8 4.0 45.1 82 2315 16 09 41 16 11 10 MG2016 00 18 52 29.8 257.0 4.0 46.2 -7 2315 No stop 16 14 40 --- 00 22 23 29.2 257.7 4.0 46.3 203 2342 16 11 11 16 15 20 J2018+0831 00 23 03 26.8 255.6 4.1 45.3 33 2342 16 15 20 16 16 20 --- 00 24 03 26.6 255.8 4.1 45.4 60 2350 16 15 21 16 16 20 MG2016 00 24 03 28.9 258.0 4.1 46.4 -7 2350 No stop 16 19 50 --- 00 27 34 28.2 258.7 4.1 46.6 203 2377 16 16 21 16 19 50 J2018+0831 00 27 34 26.0 256.5 4.1 45.5 -7 2377 No stop 16 21 20 --- 00 29 04 25.7 256.8 4.2 45.6 83 2388 16 19 51 16 21 20 MG2016 00 29 04 28.0 258.9 4.1 46.6 -7 2388 No stop 16 24 50 --- 00 32 35 27.3 259.6 4.2 46.8 203 2415 16 21 21 16 25 30 J2018+0831 00 33 15 25.0 257.6 4.2 45.8 33 2415 16 25 30 16 26 30 --- 00 34 15 24.8 257.8 4.3 45.8 60 2423 16 25 31 16 26 30 MG2016 00 34 15 27.0 259.9 4.2 46.8 -7 2423 No stop 16 30 00 --- 00 37 45 26.4 260.6 4.3 46.9 203 2450 16 26 31 16 30 00 J2018+0831 00 37 45 24.2 258.4 4.3 46.0 -7 2450 No stop 16 31 30 --- 00 39 16 23.9 258.7 4.3 46.0 83 2462 16 30 01 16 31 30 MG2016 00 39 16 26.1 260.9 4.3 47.0 -7 2462 No stop 16 35 00 --- 00 42 46 25.5 261.5 4.4 47.1 203 2488 16 31 31 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 16 35 40 J2018+0831 00 43 26 23.2 259.5 4.4 46.2 33 2488 16 35 40 16 36 40 --- 00 44 27 23.0 259.7 4.4 46.2 60 2496 16 35 41 16 36 40 MG2016 00 44 27 25.2 261.8 4.4 47.1 -7 2496 No stop 16 40 10 --- 00 47 57 24.6 262.5 4.5 47.2 203 2523 16 36 41 16 40 10 J2018+0831 00 47 57 22.4 260.3 4.5 46.3 -7 2523 No stop 16 41 40 --- 00 49 27 22.1 260.6 4.5 46.4 83 2535 16 40 11 16 41 40 MG2016 00 49 27 24.3 262.7 4.5 47.3 -7 2535 No stop 16 45 10 --- 00 52 58 23.7 263.4 4.5 47.4 203 2562 16 41 41 16 45 50 J2018+0831 00 53 38 21.4 261.4 4.6 46.5 33 2562 16 45 50 16 46 50 --- 00 54 38 21.2 261.6 4.6 46.6 60 2569 16 45 51 16 46 50 MG2016 00 54 38 23.4 263.7 4.6 47.4 -7 2569 No stop 16 50 20 --- 00 58 09 22.7 264.3 4.6 47.5 203 2596 16 46 51 16 50 20 J2018+0831 00 58 09 20.6 262.2 4.7 46.7 -7 2596 No stop 16 51 50 --- 00 59 39 20.3 262.5 4.7 46.7 83 2608 16 50 21 16 51 50 MG2016 00 59 39 22.5 264.6 4.7 47.5 -7 2608 No stop 16 55 20 --- 01 03 10 21.8 265.2 4.7 47.6 203 2635 16 51 51 16 56 00 J2018+0831 01 03 50 19.5 263.2 4.7 46.8 33 2635 16 56 00 16 57 00 --- 01 04 50 19.4 263.4 4.8 46.8 60 2642 16 56 01 16 57 00 MG2016 01 04 50 21.5 265.5 4.7 47.6 -7 2642 No stop 17 00 30 --- 01 08 20 20.9 266.1 4.8 47.6 203 2669 16 57 01 17 00 30 J2018+0831 01 08 20 18.7 264.0 4.8 46.9 -7 2669 No stop 17 02 00 --- 01 09 51 18.5 264.3 4.8 46.9 83 2681 17 00 31 17 02 00 MG2016 01 09 51 20.6 266.4 4.8 47.7 -7 2681 No stop 17 05 30 --- 01 13 21 20.0 267.0 4.9 47.7 203 2708 17 02 01 17 06 10 J2018+0831 01 14 01 17.7 265.1 4.9 47.0 33 2708 17 06 10 17 07 10 --- 01 15 02 17.5 265.2 4.9 47.0 60 2715 17 06 11 17 07 10 MG2016 01 15 02 19.7 267.3 4.9 47.7 -7 2715 No stop 17 10 40 --- 01 18 32 19.1 267.9 5.0 47.7 203 2742 17 07 11 17 10 40 J2018+0831 01 18 32 16.9 265.8 5.0 47.1 -7 2742 No stop 17 12 10 --- 01 20 02 16.6 266.1 5.0 47.1 83 2754 17 10 41 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 ---------------------------------------------------------------------------------------- --- Sat 26 Oct 2019 Day 299 --- 17 12 10 MG2016 01 20 02 18.8 268.2 5.0 47.8 -7 2754 No stop 17 15 40 --- 01 23 33 18.1 268.8 5.1 47.8 203 2781 17 12 11 17 16 20 J2018+0831 01 24 13 15.9 266.8 5.1 47.1 33 2781 17 16 20 17 17 20 --- 01 25 13 15.7 267.0 5.1 47.1 60 2788 17 16 21 17 17 20 MG2016 01 25 13 17.8 269.1 5.1 47.8 -7 2788 No stop 17 20 50 --- 01 28 44 17.2 269.7 5.1 47.8 203 2815 17 17 21 17 20 50 J2018+0831 01 28 44 15.0 267.6 5.2 47.2 -7 2815 No stop 17 22 20 --- 01 30 14 14.8 267.9 5.2 47.2 83 2827 17 20 51 17 22 20 MG2016 01 30 14 16.9 269.9 5.2 47.8 -7 2827 No stop 17 25 50 --- 01 33 45 16.3 270.5 5.2 47.8 203 2854 17 22 21 17 26 30 J2018+0831 01 34 25 14.0 268.6 5.3 47.2 33 2854 17 26 30 17 27 30 --- 01 35 25 13.8 268.8 5.3 47.2 60 2862 17 26 31 17 27 30 MG2016 01 35 25 16.0 270.8 5.3 47.8 -7 2862 No stop 17 31 00 --- 01 38 55 15.4 271.4 5.3 47.8 203 2888 17 27 31 17 31 00 J2018+0831 01 38 55 13.2 269.4 5.3 47.2 -7 2888 No stop 17 32 30 --- 01 40 26 12.9 269.7 5.4 47.2 83 2900 17 31 01 17 32 30 MG2016 01 40 26 15.1 271.7 5.3 47.8 -7 2900 No stop 17 36 00 --- 01 43 56 14.4 272.3 5.4 47.7 203 2927 17 32 31 17 36 40 J2018+0831 01 44 36 12.2 270.4 5.4 47.2 33 2927 17 36 40 17 37 40 --- 01 45 37 12.0 270.5 5.4 47.2 60 2935 17 36 41 17 37 40 MG2016 01 45 37 14.1 272.6 5.4 47.7 -7 2935 No stop 17 41 10 --- 01 49 07 13.5 273.2 5.5 47.7 203 2962 17 37 41 17 41 10 J2018+0831 01 49 07 11.3 271.1 5.5 47.2 -7 2962 No stop 17 42 40 --- 01 50 37 11.1 271.4 5.5 47.2 83 2973 17 41 11 17 42 40 MG2016 01 50 37 13.2 273.4 5.5 47.7 -7 2973 No stop 17 46 10 --- 01 54 08 12.6 274.0 5.6 47.6 203 3000 17 42 41 17 46 50 J2018+0831 01 54 48 10.3 272.1 5.6 47.2 33 3000 17 46 50 17 47 50 --- 01 55 48 10.1 272.3 5.6 47.2 60 3008 17 46 51 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.C1024glob --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 23 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 13.565900 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