COVER INFORMATION Station: VLBA_KP (Code Kp ) 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 VLBA_KP (Code Kp ) 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: 4860.25 4860.25 4892.25 4892.25 4924.25 4924.25 4956.25 4956.25 Next BBC frequencies: 760.25 760.25 792.25 792.25 824.25 824.25 856.25 856.25 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 20 45 10 J2018+0831 15 50 17 23.8 94.8 -4.5 -58.8 0 0 20 45 10 20 46 10 --- 15 51 17 24.0 94.9 -4.5 -58.8 60 8 20 45 11 20 46 10 MG2016 15 51 17 25.3 92.0 -4.5 -59.9 -11 8 20 46 21 20 49 40 --- 15 54 48 26.0 92.5 -4.4 -59.9 199 33 20 46 11 20 49 40 J2018+0831 15 54 48 24.8 95.4 -4.4 -58.7 -11 33 20 49 51 20 51 10 --- 15 56 18 25.1 95.6 -4.4 -58.6 79 44 20 49 41 20 51 10 MG2016 15 56 18 26.4 92.7 -4.4 -59.9 -11 44 20 51 21 20 54 40 --- 15 59 49 27.1 93.1 -4.3 -59.8 199 69 20 51 11 20 55 20 J2018+0831 16 00 29 26.0 96.2 -4.3 -58.5 29 69 20 55 20 20 56 20 --- 16 01 29 26.2 96.3 -4.3 -58.5 60 77 20 55 21 20 56 20 MG2016 16 01 29 27.5 93.4 -4.3 -59.8 -11 77 20 56 31 20 59 50 --- 16 05 00 28.2 93.9 -4.3 -59.8 199 103 20 56 21 20 59 50 J2018+0831 16 05 00 26.9 96.9 -4.2 -58.4 -11 103 21 00 01 21 01 20 --- 16 06 30 27.3 97.1 -4.2 -58.4 79 113 20 59 51 21 01 40 J2018+0831 16 06 50 27.3 97.1 -4.2 -58.4 14 113 Stopped 21 07 40 --- 16 12 51 28.6 98.0 -4.1 -58.2 360 113 21 09 10 3C345 16 14 21 80.2 35.1 -0.5 -140.6 -23 113 21 09 33 21 14 10 --- 16 19 22 80.8 30.4 -0.4 -146.0 277 148 21 09 11 21 18 40 J2018+0831 16 23 53 30.9 99.7 -3.9 -57.8 159 148 21 18 40 21 19 40 --- 16 24 53 31.1 99.8 -3.9 -57.7 60 156 21 18 41 21 19 40 MG2016 16 24 53 32.4 96.7 -3.9 -59.3 -11 156 21 19 51 21 23 10 --- 16 28 24 33.1 97.3 -3.9 -59.2 199 182 21 19 41 21 23 10 J2018+0831 16 28 24 31.8 100.4 -3.8 -57.6 -11 182 21 23 21 21 24 40 --- 16 29 54 32.2 100.6 -3.8 -57.5 79 192 21 23 11 21 24 40 MG2016 16 29 54 33.5 97.5 -3.8 -59.2 -11 192 21 24 51 21 28 10 --- 16 33 24 34.2 98.0 -3.8 -59.0 199 218 21 24 41 21 28 50 J2018+0831 16 34 04 33.0 101.3 -3.8 -57.3 29 218 21 28 50 21 29 50 --- 16 35 05 33.2 101.4 -3.7 -57.3 60 225 21 28 51 Schedule for VLBA_KP (Code Kp ) 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 --- 21 29 50 MG2016 16 35 05 34.5 98.3 -3.8 -59.0 -11 225 21 30 01 21 33 20 --- 16 38 35 35.3 98.8 -3.7 -58.8 199 251 21 29 51 21 33 20 J2018+0831 16 38 35 34.0 102.0 -3.7 -57.1 -11 251 21 33 31 21 34 50 --- 16 40 05 34.3 102.2 -3.7 -57.0 79 261 21 33 21 21 34 50 MG2016 16 40 05 35.6 99.0 -3.7 -58.8 -11 261 21 35 01 21 38 20 --- 16 43 36 36.3 99.6 -3.6 -58.6 199 287 21 34 51 21 39 00 J2018+0831 16 44 16 35.1 102.9 -3.6 -56.8 29 287 21 39 00 21 40 00 --- 16 45 16 35.3 103.1 -3.6 -56.7 60 294 21 39 01 21 40 00 MG2016 16 45 16 36.7 99.9 -3.6 -58.6 -11 294 21 40 11 21 43 30 --- 16 48 47 37.4 100.4 -3.5 -58.4 199 320 21 40 01 21 43 30 J2018+0831 16 48 47 36.1 103.7 -3.5 -56.5 -11 320 21 43 41 21 45 00 --- 16 50 17 36.4 103.9 -3.5 -56.4 79 330 21 43 31 21 45 00 MG2016 16 50 17 37.7 100.7 -3.5 -58.3 -11 330 21 45 11 21 48 30 --- 16 53 48 38.5 101.2 -3.4 -58.1 199 356 21 45 01 21 49 10 J2018+0831 16 54 28 37.2 104.6 -3.4 -56.1 29 356 21 49 10 21 50 10 --- 16 55 28 37.4 104.8 -3.4 -56.1 60 364 21 49 11 21 50 10 MG2016 16 55 28 38.8 101.5 -3.4 -58.0 -11 364 21 50 21 21 53 40 --- 16 58 59 39.5 102.1 -3.4 -57.8 199 389 21 50 11 21 53 40 J2018+0831 16 58 59 38.2 105.4 -3.3 -55.8 -11 389 21 53 51 21 55 10 --- 17 00 29 38.5 105.7 -3.3 -55.7 79 399 21 53 41 21 55 10 MG2016 17 00 29 39.9 102.4 -3.3 -57.8 -11 399 21 55 21 21 58 40 --- 17 03 59 40.6 103.0 -3.3 -57.5 199 425 21 55 11 21 59 20 J2018+0831 17 04 39 39.3 106.5 -3.2 -55.4 29 425 21 59 20 22 00 20 --- 17 05 40 39.5 106.6 -3.2 -55.3 60 433 21 59 21 22 00 20 MG2016 17 05 40 40.9 103.3 -3.2 -57.4 -11 433 22 00 31 22 03 50 --- 17 09 10 41.6 103.9 -3.2 -57.2 199 458 22 00 21 22 03 50 J2018+0831 17 09 10 40.2 107.3 -3.2 -55.0 -11 458 22 04 01 22 05 20 --- 17 10 40 40.5 107.6 -3.1 -54.9 79 469 22 03 51 22 05 20 MG2016 17 10 40 42.0 104.1 -3.2 -57.1 -11 469 22 05 31 22 08 50 --- 17 14 11 42.7 104.8 -3.1 -56.9 199 494 22 05 21 Schedule for VLBA_KP (Code Kp ) 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 --- 22 09 30 J2018+0831 17 14 51 41.4 108.4 -3.1 -54.5 29 494 22 09 30 22 10 30 --- 17 15 51 41.6 108.5 -3.1 -54.4 60 502 22 09 31 22 10 30 MG2016 17 15 51 43.0 105.1 -3.1 -56.7 -11 502 22 10 41 22 14 00 --- 17 19 22 43.7 105.7 -3.0 -56.5 199 528 22 10 31 22 14 00 J2018+0831 17 19 22 42.3 109.2 -3.0 -54.1 -11 528 22 14 11 22 15 30 --- 17 20 52 42.6 109.5 -3.0 -54.0 79 538 22 14 01 22 15 30 MG2016 17 20 52 44.0 106.0 -3.0 -56.3 -11 538 22 15 41 22 19 00 --- 17 24 23 44.8 106.7 -2.9 -56.0 199 563 22 15 31 22 19 40 J2018+0831 17 25 03 43.4 110.4 -2.9 -53.6 29 563 22 19 40 22 20 40 --- 17 26 03 43.6 110.6 -2.9 -53.5 60 571 22 19 41 22 20 40 MG2016 17 26 03 45.1 107.0 -2.9 -55.9 -11 571 22 20 51 22 24 10 --- 17 29 34 45.8 107.7 -2.8 -55.6 199 597 22 20 41 22 24 10 J2018+0831 17 29 34 44.3 111.3 -2.8 -53.1 -11 597 22 24 21 22 25 40 --- 17 31 04 44.6 111.6 -2.8 -52.9 79 607 22 24 11 22 25 40 MG2016 17 31 04 46.1 108.0 -2.8 -55.4 -11 607 22 25 51 22 29 10 --- 17 34 34 46.8 108.7 -2.8 -55.1 199 633 22 25 41 22 29 50 J2018+0831 17 35 14 45.4 112.5 -2.7 -52.5 29 633 22 29 50 22 30 50 --- 17 36 15 45.6 112.7 -2.7 -52.3 60 640 22 29 51 22 30 50 MG2016 17 36 15 47.2 109.1 -2.7 -54.9 -11 640 22 31 01 22 34 20 --- 17 39 45 47.9 109.8 -2.7 -54.6 199 666 22 30 51 22 34 20 J2018+0831 17 39 45 46.3 113.5 -2.7 -51.9 -11 666 22 34 31 22 35 50 --- 17 41 15 46.6 113.8 -2.6 -51.7 79 676 22 34 21 22 35 50 MG2016 17 41 15 48.2 110.1 -2.6 -54.4 -11 676 22 36 01 22 39 20 --- 17 44 46 48.9 110.9 -2.6 -54.0 199 702 22 35 51 22 40 00 J2018+0831 17 45 26 47.4 114.7 -2.6 -51.2 29 702 22 40 00 22 41 00 --- 17 46 26 47.6 115.0 -2.5 -51.1 60 710 22 40 01 22 41 00 MG2016 17 46 26 49.2 111.2 -2.6 -53.8 -11 710 22 41 11 22 44 30 --- 17 49 57 49.9 112.0 -2.5 -53.4 199 735 22 41 01 22 44 30 J2018+0831 17 49 57 48.3 115.8 -2.5 -50.6 -11 735 22 44 41 22 46 00 --- 17 51 27 48.6 116.1 -2.5 -50.4 79 745 22 44 31 Schedule for VLBA_KP (Code Kp ) 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 --- 22 46 00 MG2016 17 51 27 50.2 112.4 -2.5 -53.2 -11 745 22 46 11 22 49 30 --- 17 54 58 50.9 113.2 -2.4 -52.8 199 771 22 46 01 22 50 10 J2018+0831 17 55 38 49.4 117.2 -2.4 -49.8 29 771 22 50 10 22 51 10 --- 17 56 38 49.6 117.4 -2.4 -49.6 60 779 22 50 11 22 51 10 MG2016 17 56 38 51.2 113.6 -2.4 -52.5 -11 779 22 51 21 22 54 40 --- 18 00 09 51.9 114.4 -2.3 -52.0 199 804 22 51 11 22 54 40 J2018+0831 18 00 09 50.2 118.3 -2.3 -49.1 -11 804 22 54 51 22 56 10 --- 18 01 39 50.5 118.7 -2.3 -48.8 79 815 22 54 41 22 56 10 MG2016 18 01 39 52.2 114.8 -2.3 -51.8 -11 815 22 56 21 22 59 40 --- 18 05 09 52.8 115.7 -2.3 -51.3 199 840 22 56 11 23 00 20 J2018+0831 18 05 49 51.3 119.7 -2.2 -48.2 29 840 23 00 20 23 01 20 --- 18 06 50 51.5 120.0 -2.2 -48.0 60 848 23 00 21 23 01 20 MG2016 18 06 50 53.1 116.1 -2.2 -51.0 -11 848 23 01 31 23 04 50 --- 18 10 20 53.8 117.0 -2.2 -50.5 199 874 23 01 21 23 04 50 J2018+0831 18 10 20 52.1 121.0 -2.1 -47.4 -11 874 23 05 01 23 06 20 --- 18 11 50 52.4 121.4 -2.1 -47.1 79 884 23 04 51 23 06 20 MG2016 18 11 50 54.1 117.4 -2.1 -50.2 -12 884 23 06 32 23 09 50 --- 18 15 21 54.8 118.4 -2.1 -49.6 198 909 23 06 21 23 10 30 J2018+0831 18 16 01 53.1 122.5 -2.1 -46.3 28 909 23 10 30 23 11 30 --- 18 17 01 53.3 122.8 -2.0 -46.1 60 917 23 10 31 23 11 30 MG2016 18 17 01 55.1 118.8 -2.1 -49.3 -12 917 23 11 42 23 15 00 --- 18 20 32 55.7 119.8 -2.0 -48.7 198 942 23 11 31 23 15 00 J2018+0831 18 20 32 53.9 123.8 -2.0 -45.5 -12 942 23 15 12 23 16 30 --- 18 22 02 54.2 124.3 -2.0 -45.2 78 952 23 15 01 23 16 30 MG2016 18 22 02 56.0 120.2 -2.0 -48.4 -12 952 23 16 42 23 20 00 --- 18 25 33 56.6 121.3 -1.9 -47.7 198 978 23 16 31 23 20 40 J2018+0831 18 26 13 54.9 125.6 -1.9 -44.3 28 978 23 20 40 23 21 40 --- 18 27 13 55.1 125.9 -1.9 -44.1 60 986 23 20 41 23 21 40 MG2016 18 27 13 56.9 121.8 -1.9 -47.4 -12 986 23 21 52 23 25 10 --- 18 30 44 57.6 122.9 -1.8 -46.7 198 1011 23 21 41 Schedule for VLBA_KP (Code Kp ) 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 --- 23 25 10 J2018+0831 18 30 44 55.7 127.0 -1.8 -43.3 -12 1011 23 25 22 23 26 40 --- 18 32 14 55.9 127.5 -1.8 -42.9 78 1021 23 25 11 23 26 40 MG2016 18 32 14 57.8 123.3 -1.8 -46.3 -12 1021 23 26 52 23 30 10 --- 18 35 44 58.4 124.5 -1.7 -45.5 198 1047 23 26 41 23 30 50 J2018+0831 18 36 24 56.6 128.8 -1.7 -42.0 28 1047 23 30 50 23 31 50 --- 18 37 25 56.8 129.2 -1.7 -41.7 60 1055 23 30 51 23 31 50 MG2016 18 37 25 58.7 125.0 -1.7 -45.2 -12 1055 23 32 02 23 35 20 --- 18 40 55 59.3 126.2 -1.7 -44.3 198 1080 23 31 51 23 35 20 J2018+0831 18 40 55 57.4 130.4 -1.6 -40.8 -12 1080 23 35 32 23 36 50 --- 18 42 25 57.6 130.9 -1.6 -40.4 78 1090 23 35 21 23 36 50 MG2016 18 42 25 59.6 126.7 -1.6 -43.9 -12 1090 23 37 02 23 40 20 --- 18 45 56 60.2 128.0 -1.6 -43.0 198 1116 23 36 51 23 41 00 J2018+0831 18 46 36 58.3 132.4 -1.5 -39.3 28 1116 23 41 00 23 42 00 --- 18 47 36 58.4 132.7 -1.5 -39.1 60 1123 23 41 01 23 42 00 MG2016 18 47 36 60.5 128.6 -1.5 -42.6 -12 1123 23 42 12 23 45 30 --- 18 51 07 61.0 129.9 -1.5 -41.6 198 1149 23 42 01 23 45 30 J2018+0831 18 51 07 59.0 134.1 -1.5 -38.1 -12 1149 23 45 42 23 47 00 --- 18 52 37 59.2 134.6 -1.4 -37.6 78 1159 23 45 31 23 47 00 MG2016 18 52 37 61.3 130.5 -1.5 -41.2 -12 1159 23 47 12 23 50 30 --- 18 56 08 61.8 131.8 -1.4 -40.2 198 1184 23 47 01 23 51 10 J2018+0831 18 56 48 59.8 136.2 -1.4 -36.4 28 1184 23 51 10 23 52 10 --- 18 57 48 60.0 136.6 -1.4 -36.1 60 1192 23 51 11 23 52 10 MG2016 18 57 48 62.1 132.5 -1.4 -39.7 -12 1192 23 52 22 23 55 40 --- 19 01 19 62.7 133.9 -1.3 -38.6 198 1218 23 52 11 23 55 40 J2018+0831 19 01 19 60.5 138.1 -1.3 -35.0 -12 1218 23 55 52 23 57 10 --- 19 02 49 60.7 138.7 -1.3 -34.5 78 1228 23 55 41 --- Start: Tue 29 Oct 2019 Day 302 -- Stop: Wed 30 Oct 2019 Day 303 --- 23 57 10 MG2016 19 02 49 62.9 134.6 -1.3 -38.1 -12 1228 23 57 22 00 00 40 --- 19 06 19 63.4 136.1 -1.2 -36.9 198 1253 23 57 11 Schedule for VLBA_KP (Code Kp ) 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 00 01 20 J2018+0831 19 06 59 61.3 140.5 -1.2 -33.1 28 1253 00 01 20 00 02 20 --- 19 08 00 61.4 140.9 -1.2 -32.8 60 1261 00 01 21 00 02 20 MG2016 19 08 00 63.7 136.8 -1.2 -36.3 -13 1261 00 02 33 00 05 50 --- 19 11 30 64.2 138.4 -1.1 -35.1 197 1286 00 02 21 00 05 50 J2018+0831 19 11 30 61.9 142.4 -1.1 -31.5 -13 1286 00 06 03 00 07 20 --- 19 13 00 62.1 143.1 -1.1 -31.0 77 1296 00 05 51 00 07 20 MG2016 19 13 00 64.4 139.1 -1.1 -34.5 -13 1296 00 07 33 00 10 50 --- 19 16 31 64.8 140.8 -1.1 -33.2 197 1322 00 07 21 00 11 30 J2018+0831 19 17 11 62.6 145.0 -1.0 -29.5 27 1322 00 11 30 00 12 30 --- 19 18 11 62.7 145.5 -1.0 -29.1 60 1329 00 11 31 00 12 30 MG2016 19 18 11 65.1 141.6 -1.0 -32.6 -13 1329 00 12 43 00 16 00 --- 19 21 42 65.5 143.3 -1.0 -31.1 197 1355 00 12 31 00 16 00 J2018+0831 19 21 42 63.1 147.2 -1.0 -27.7 -13 1355 00 16 13 00 17 30 --- 19 23 12 63.3 147.9 -0.9 -27.1 77 1365 00 16 01 00 17 30 MG2016 19 23 12 65.7 144.1 -1.0 -30.5 -13 1365 00 17 43 00 21 00 --- 19 26 43 66.1 145.9 -0.9 -29.0 197 1390 00 17 31 00 21 40 J2018+0831 19 27 23 63.7 150.0 -0.9 -25.4 27 1390 00 21 40 00 22 40 --- 19 28 23 63.8 150.5 -0.8 -25.0 60 1398 00 21 41 00 22 40 MG2016 19 28 23 66.3 146.8 -0.9 -28.3 -13 1398 00 22 53 00 26 10 --- 19 31 54 66.7 148.7 -0.8 -26.7 197 1423 00 22 41 00 26 10 J2018+0831 19 31 54 64.2 152.3 -0.8 -23.5 -13 1423 00 26 23 00 27 40 --- 19 33 24 64.3 153.1 -0.8 -22.9 77 1433 00 26 11 00 27 40 MG2016 19 33 24 66.9 149.6 -0.8 -26.0 -13 1433 00 27 53 00 31 10 --- 19 36 54 67.3 151.6 -0.7 -24.4 197 1458 00 27 41 00 31 50 J2018+0831 19 37 34 64.7 155.3 -0.7 -21.0 27 1458 00 31 50 00 32 50 --- 19 38 35 64.8 155.9 -0.7 -20.5 60 1466 00 31 51 00 32 50 MG2016 19 38 35 67.4 152.5 -0.7 -23.5 -13 1466 00 33 03 00 36 20 --- 19 42 05 67.8 154.6 -0.6 -21.8 197 1491 00 32 51 00 36 20 J2018+0831 19 42 05 65.1 157.8 -0.6 -18.9 -13 1491 00 36 33 00 37 50 --- 19 43 35 65.2 158.6 -0.6 -18.2 77 1501 00 36 21 Schedule for VLBA_KP (Code Kp ) 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 00 37 50 MG2016 19 43 35 67.9 155.5 -0.6 -21.0 -13 1501 00 38 03 00 41 20 --- 19 47 06 68.2 157.7 -0.6 -19.2 197 1527 00 37 51 00 42 00 J2018+0831 19 47 46 65.5 161.0 -0.5 -16.2 27 1527 00 42 00 00 43 00 --- 19 48 46 65.6 161.6 -0.5 -15.7 60 1534 00 42 01 00 44 30 3C345 19 50 17 51.8 295.3 3.1 86.8 -17 1534 00 44 47 00 49 30 --- 19 55 17 50.9 295.4 3.2 86.1 283 1571 00 44 31 00 54 00 J2018+0831 19 59 48 66.2 168.1 -0.3 -10.2 166 1571 00 54 00 00 55 00 --- 20 00 48 66.3 168.7 -0.3 -9.7 60 1579 00 54 01 00 55 00 MG2016 20 00 48 69.1 166.6 -0.3 -11.6 -14 1579 00 55 14 00 58 30 --- 20 04 19 69.2 168.9 -0.3 -9.6 196 1604 00 55 01 00 58 30 J2018+0831 20 04 19 66.4 170.8 -0.2 -7.9 -14 1604 00 58 44 01 00 00 --- 20 05 49 66.4 171.7 -0.2 -7.1 76 1614 00 58 31 01 00 00 MG2016 20 05 49 69.3 170.0 -0.2 -8.7 -14 1614 01 00 14 01 03 30 --- 20 09 20 69.4 172.4 -0.2 -6.6 196 1639 01 00 01 01 04 10 J2018+0831 20 10 00 66.5 174.3 -0.2 -4.9 26 1639 01 04 10 01 05 10 --- 20 11 00 66.6 174.9 -0.1 -4.3 60 1647 01 04 11 01 05 10 MG2016 20 11 00 69.5 173.5 -0.2 -5.6 -14 1647 01 05 24 01 08 40 --- 20 14 31 69.5 176.0 -0.1 -3.5 196 1672 01 05 11 01 08 40 J2018+0831 20 14 31 66.6 177.1 -0.1 -2.5 -14 1672 01 08 54 01 10 10 --- 20 16 01 66.6 178.1 -0.1 -1.7 76 1682 01 08 41 01 10 10 MG2016 20 16 01 69.5 177.0 -0.1 -2.6 -14 1682 01 10 24 01 13 40 --- 20 19 31 69.6 179.5 -0.0 -0.4 196 1707 01 10 11 01 14 20 J2018+0831 20 20 11 66.6 180.7 0.0 0.6 26 1707 01 14 20 01 15 20 --- 20 21 12 66.6 181.3 0.0 1.1 60 1715 01 14 21 01 15 20 MG2016 20 21 12 69.6 180.7 0.0 0.6 -14 1715 01 15 34 01 18 50 --- 20 24 42 69.5 183.1 0.1 2.7 196 1740 01 15 21 01 18 50 J2018+0831 20 24 42 66.6 183.5 0.1 3.0 -14 1740 01 19 04 01 20 20 --- 20 26 12 66.6 184.4 0.1 3.8 76 1750 01 18 51 01 20 20 MG2016 20 26 12 69.5 184.2 0.1 3.6 -14 1750 01 20 34 01 23 50 --- 20 29 43 69.4 186.6 0.2 5.7 196 1775 01 20 21 Schedule for VLBA_KP (Code Kp ) 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 01 24 30 J2018+0831 20 30 23 66.5 187.0 0.2 6.0 26 1775 01 24 30 01 25 30 --- 20 31 23 66.5 187.6 0.2 6.5 60 1783 01 24 31 01 25 30 MG2016 20 31 23 69.4 187.8 0.2 6.7 -14 1783 01 25 44 01 29 00 --- 20 34 54 69.3 190.2 0.2 8.8 196 1808 01 25 31 01 29 00 J2018+0831 20 34 54 66.4 189.8 0.3 8.4 -14 1808 01 29 14 01 30 30 --- 20 36 24 66.3 190.7 0.3 9.1 76 1818 01 29 01 01 30 30 MG2016 20 36 24 69.2 191.2 0.3 9.7 -14 1818 01 30 44 01 34 00 --- 20 39 55 69.1 193.6 0.3 11.8 196 1843 01 30 31 01 34 40 J2018+0831 20 40 35 66.1 193.2 0.4 11.3 26 1843 01 34 40 01 35 40 --- 20 41 35 66.1 193.8 0.4 11.8 60 1851 01 34 41 01 35 40 MG2016 20 41 35 69.0 194.7 0.4 12.7 -14 1851 01 35 54 01 39 10 --- 20 45 06 68.8 197.0 0.4 14.7 196 1876 01 35 41 01 39 10 J2018+0831 20 45 06 65.9 195.9 0.4 13.6 -14 1876 01 39 24 01 40 40 --- 20 46 36 65.8 196.8 0.5 14.3 76 1886 01 39 11 01 40 40 MG2016 20 46 36 68.7 198.0 0.4 15.5 -14 1886 01 40 54 01 44 10 --- 20 50 06 68.4 200.3 0.5 17.5 196 1911 01 40 41 01 44 50 J2018+0831 20 50 46 65.5 199.2 0.5 16.4 26 1911 01 44 50 01 45 50 --- 20 51 47 65.4 199.7 0.5 16.8 60 1919 01 44 51 01 45 50 MG2016 20 51 47 68.3 201.3 0.5 18.4 -14 1919 01 46 04 01 49 20 --- 20 55 17 68.0 203.5 0.6 20.2 196 1944 01 45 51 01 49 20 J2018+0831 20 55 17 65.2 201.7 0.6 18.5 -14 1944 01 49 34 01 50 50 --- 20 56 47 65.1 202.6 0.6 19.2 76 1954 01 49 21 01 50 50 MG2016 20 56 47 67.9 204.4 0.6 21.0 -14 1954 01 51 04 01 54 20 --- 21 00 18 67.6 206.5 0.7 22.8 196 1979 01 50 51 01 55 00 J2018+0831 21 00 58 64.7 204.8 0.7 21.1 26 1979 01 55 00 01 56 00 --- 21 01 58 64.6 205.4 0.7 21.6 60 1987 01 55 01 01 56 00 MG2016 21 01 58 67.4 207.5 0.7 23.6 -14 1987 01 56 14 01 59 30 --- 21 05 29 67.1 209.5 0.8 25.3 196 2012 01 56 01 01 59 30 J2018+0831 21 05 29 64.3 207.2 0.8 23.1 -14 2012 01 59 44 02 01 00 --- 21 06 59 64.1 208.0 0.8 23.8 76 2022 01 59 31 Schedule for VLBA_KP (Code Kp ) 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 02 01 00 MG2016 21 06 59 66.9 210.4 0.8 26.0 -14 2022 02 01 14 02 04 30 --- 21 10 30 66.5 212.3 0.8 27.6 196 2047 02 01 01 02 05 10 J2018+0831 21 11 10 63.7 210.2 0.9 25.5 26 2047 02 05 10 02 06 10 --- 21 12 10 63.6 210.7 0.9 25.9 60 2055 02 05 11 02 06 10 MG2016 21 12 10 66.3 213.2 0.9 28.3 -13 2055 02 06 23 02 09 40 --- 21 15 41 65.9 215.1 0.9 29.9 197 2080 02 06 11 02 09 40 J2018+0831 21 15 41 63.2 212.4 0.9 27.4 -13 2080 02 09 53 02 11 10 --- 21 17 11 63.0 213.1 1.0 28.0 77 2090 02 09 41 02 11 10 MG2016 21 17 11 65.7 215.9 0.9 30.5 -13 2090 02 11 23 02 14 40 --- 21 20 41 65.3 217.6 1.0 31.9 197 2115 02 11 11 02 15 20 J2018+0831 21 21 21 62.5 215.1 1.0 29.6 27 2115 02 15 20 02 16 20 --- 21 22 22 62.4 215.6 1.1 29.9 60 2123 02 15 21 02 16 20 MG2016 21 22 22 65.1 218.5 1.0 32.6 -13 2123 02 16 33 02 19 50 --- 21 25 52 64.6 220.2 1.1 33.9 197 2149 02 16 21 02 19 50 J2018+0831 21 25 52 62.0 217.2 1.1 31.2 -13 2149 02 20 03 02 21 20 --- 21 27 22 61.8 217.8 1.1 31.8 77 2158 02 19 51 02 21 20 MG2016 21 27 22 64.4 220.9 1.1 34.5 -13 2158 02 21 33 02 24 50 --- 21 30 53 63.9 222.5 1.2 35.8 197 2184 02 21 21 02 25 30 J2018+0831 21 31 33 61.2 219.7 1.2 33.2 27 2184 02 25 30 02 26 30 --- 21 32 33 61.1 220.1 1.2 33.5 60 2192 02 25 31 02 26 30 MG2016 21 32 33 63.6 223.2 1.2 36.4 -13 2192 02 26 43 02 30 00 --- 21 36 04 63.1 224.8 1.3 37.6 197 2217 02 26 31 02 30 00 J2018+0831 21 36 04 60.6 221.6 1.3 34.7 -13 2217 02 30 13 02 31 30 --- 21 37 34 60.4 222.2 1.3 35.2 77 2227 02 30 01 02 31 30 MG2016 21 37 34 62.9 225.4 1.3 38.1 -13 2227 02 31 43 02 35 00 --- 21 41 05 62.4 226.9 1.3 39.2 197 2252 02 31 31 02 35 40 J2018+0831 21 41 45 59.8 223.9 1.4 36.5 27 2252 02 35 40 02 36 40 --- 21 42 45 59.6 224.3 1.4 36.8 60 2260 02 35 41 02 36 40 MG2016 21 42 45 62.1 227.5 1.4 39.7 -13 2260 02 36 53 02 40 10 --- 21 46 16 61.5 228.9 1.4 40.8 197 2285 02 36 41 Schedule for VLBA_KP (Code Kp ) 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 02 40 10 J2018+0831 21 46 16 59.1 225.6 1.5 37.8 -13 2285 02 40 23 02 41 40 --- 21 47 46 58.9 226.2 1.5 38.3 77 2295 02 40 11 02 41 40 MG2016 21 47 46 61.3 229.5 1.5 41.2 -13 2295 02 41 53 02 45 10 --- 21 51 16 60.7 230.8 1.5 42.2 197 2321 02 41 41 02 45 50 J2018+0831 21 51 57 58.2 227.7 1.5 39.4 27 2321 02 45 50 02 46 50 --- 21 52 57 58.1 228.1 1.6 39.7 60 2328 02 45 51 02 46 50 MG2016 21 52 57 60.5 231.5 1.5 42.6 -13 2328 02 47 03 02 50 20 --- 21 56 27 59.9 232.7 1.6 43.5 197 2354 02 46 51 02 50 20 J2018+0831 21 56 27 57.5 229.3 1.6 40.6 -13 2354 02 50 33 02 51 50 --- 21 57 57 57.3 229.9 1.6 41.0 77 2364 02 50 21 02 51 50 MG2016 21 57 57 59.6 233.2 1.6 43.9 -13 2364 02 52 03 02 55 20 --- 22 01 28 59.0 234.4 1.7 44.8 197 2389 02 51 51 02 56 00 J2018+0831 22 02 08 56.6 231.3 1.7 42.0 27 2389 02 56 00 02 57 00 --- 22 03 08 56.4 231.6 1.7 42.3 60 2397 02 56 01 02 57 00 MG2016 22 03 08 58.7 235.0 1.7 45.2 -13 2397 02 57 13 03 00 30 --- 22 06 39 58.1 236.2 1.8 46.0 197 2422 02 57 01 03 00 30 J2018+0831 22 06 39 55.8 232.7 1.8 43.1 -13 2422 03 00 43 03 02 00 --- 22 08 09 55.6 233.2 1.8 43.4 77 2432 03 00 31 03 02 00 MG2016 22 08 09 57.8 236.6 1.8 46.3 -13 2432 03 02 13 03 05 30 --- 22 11 40 57.2 237.7 1.9 47.1 197 2457 03 02 01 03 06 10 J2018+0831 22 12 20 54.9 234.5 1.9 44.3 27 2457 03 06 10 03 07 10 --- 22 13 20 54.7 234.8 1.9 44.5 60 2465 03 06 11 03 07 10 MG2016 22 13 20 56.9 238.2 1.9 47.4 -12 2465 03 07 22 03 10 40 --- 22 16 51 56.3 239.3 1.9 48.1 198 2491 03 07 11 03 10 40 J2018+0831 22 16 51 54.1 235.9 2.0 45.3 -12 2491 03 10 52 03 12 10 --- 22 18 21 53.8 236.3 2.0 45.6 78 2501 03 10 41 03 12 10 MG2016 22 18 21 56.0 239.7 2.0 48.4 -12 2501 03 12 22 03 15 40 --- 22 21 51 55.4 240.7 2.0 49.1 198 2526 03 12 11 03 16 20 J2018+0831 22 22 32 53.1 237.5 2.1 46.4 28 2526 03 16 20 03 17 20 --- 22 23 32 52.9 237.8 2.1 46.6 60 2534 03 16 21 Schedule for VLBA_KP (Code Kp ) 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 03 17 20 MG2016 22 23 32 55.0 241.2 2.1 49.4 -12 2534 03 17 32 03 20 50 --- 22 27 02 54.4 242.2 2.1 50.0 198 2560 03 17 21 03 20 50 J2018+0831 22 27 02 52.3 238.8 2.1 47.2 -12 2560 03 21 02 03 22 20 --- 22 28 33 52.0 239.2 2.2 47.5 78 2570 03 20 51 03 22 20 MG2016 22 28 33 54.1 242.6 2.1 50.2 -12 2570 03 22 32 03 25 50 --- 22 32 03 53.4 243.5 2.2 50.8 198 2595 03 22 21 03 26 30 J2018+0831 22 32 43 51.2 240.3 2.2 48.2 28 2595 03 26 30 03 27 30 --- 22 33 43 51.0 240.6 2.2 48.4 60 2603 03 26 31 03 27 30 MG2016 22 33 43 53.1 243.9 2.2 51.1 -12 2603 03 27 42 03 31 00 --- 22 37 14 52.5 244.8 2.3 51.6 198 2628 03 27 31 03 31 00 J2018+0831 22 37 14 50.4 241.5 2.3 48.9 -12 2628 03 31 12 03 32 30 --- 22 38 44 50.1 241.9 2.3 49.2 78 2638 03 31 01 03 32 30 MG2016 22 38 44 52.2 245.2 2.3 51.8 -12 2638 03 32 42 03 36 00 --- 22 42 15 51.5 246.1 2.4 52.3 198 2664 03 32 31 03 36 40 J2018+0831 22 42 55 49.3 242.9 2.4 49.8 28 2664 03 36 40 03 37 40 --- 22 43 55 49.1 243.2 2.4 50.0 60 2672 03 36 41 03 37 40 MG2016 22 43 55 51.2 246.5 2.4 52.5 -12 2672 03 37 52 03 41 10 --- 22 47 26 50.5 247.3 2.5 53.0 198 2697 03 37 41 03 41 10 J2018+0831 22 47 26 48.5 244.0 2.5 50.5 -12 2697 03 41 22 03 42 40 --- 22 48 56 48.2 244.4 2.5 50.7 78 2707 03 41 11 03 42 40 MG2016 22 48 56 50.2 247.6 2.5 53.2 -12 2707 03 42 52 03 46 10 --- 22 52 26 49.5 248.4 2.5 53.6 198 2733 03 42 41 03 46 50 J2018+0831 22 53 07 47.4 245.3 2.6 51.2 28 2733 03 46 50 03 47 50 --- 22 54 07 47.2 245.6 2.6 51.4 60 2740 03 46 51 03 47 50 MG2016 22 54 07 49.2 248.8 2.6 53.8 -12 2740 03 48 02 03 51 20 --- 22 57 37 48.5 249.6 2.6 54.2 198 2766 03 47 51 03 51 20 J2018+0831 22 57 37 46.5 246.3 2.6 51.8 -12 2766 03 51 32 03 52 50 --- 22 59 08 46.2 246.7 2.7 52.0 78 2776 03 51 21 03 52 50 MG2016 22 59 08 48.2 249.9 2.6 54.4 -12 2776 03 53 02 03 56 20 --- 23 02 38 47.5 250.6 2.7 54.8 198 2801 03 52 51 Schedule for VLBA_KP (Code Kp ) Page 13 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 03 57 00 J2018+0831 23 03 18 45.4 247.6 2.7 52.5 28 2801 03 57 00 03 58 00 --- 23 04 18 45.2 247.8 2.8 52.6 60 2809 03 57 01 03 58 00 MG2016 23 04 18 47.1 251.0 2.7 54.9 -12 2809 03 58 12 04 01 30 --- 23 07 49 46.4 251.7 2.8 55.3 198 2835 03 58 01 04 01 30 J2018+0831 23 07 49 44.5 248.5 2.8 53.0 -12 2835 04 01 42 04 03 00 --- 23 09 19 44.2 248.8 2.8 53.2 78 2845 04 01 31 04 03 00 MG2016 23 09 19 46.1 252.0 2.8 55.4 -12 2845 04 03 12 04 06 30 --- 23 12 50 45.4 252.7 2.9 55.8 198 2870 04 03 01 04 07 10 J2018+0831 23 13 30 43.4 249.7 2.9 53.6 28 2870 04 07 10 04 08 10 --- 23 14 30 43.2 249.9 2.9 53.7 60 2878 04 07 11 04 08 10 MG2016 23 14 30 45.1 253.0 2.9 55.9 -12 2878 04 08 22 04 11 40 --- 23 18 01 44.4 253.7 3.0 56.2 198 2903 04 08 11 04 11 40 J2018+0831 23 18 01 42.5 250.6 3.0 54.0 -12 2903 04 11 52 04 13 10 --- 23 19 31 42.2 250.9 3.0 54.2 78 2914 04 11 41 04 13 10 MG2016 23 19 31 44.1 254.0 3.0 56.3 -12 2914 04 13 22 04 16 40 --- 23 23 01 43.3 254.6 3.0 56.6 198 2939 04 13 11 04 17 20 J2018+0831 23 23 42 41.3 251.7 3.1 54.6 28 2939 04 17 20 04 18 20 --- 23 24 42 41.1 251.9 3.1 54.6 60 2947 04 17 21 04 18 20 MG2016 23 24 42 43.0 254.9 3.1 56.7 -12 2947 04 18 32 04 21 50 --- 23 28 12 42.3 255.6 3.1 57.0 198 2972 04 18 21 04 21 50 J2018+0831 23 28 12 40.4 252.6 3.2 54.9 -12 2972 04 22 02 04 23 20 --- 23 29 43 40.1 252.8 3.2 55.1 78 2982 04 21 51 04 23 20 MG2016 23 29 43 42.0 255.8 3.2 57.1 -12 2982 04 23 32 04 26 50 --- 23 33 13 41.2 256.5 3.2 57.3 198 3008 04 23 21 04 27 30 J2018+0831 23 33 53 39.3 253.6 3.2 55.4 28 3008 04 27 30 04 28 30 --- 23 34 53 39.1 253.8 3.3 55.5 60 3016 04 27 31 04 28 30 MG2016 23 34 53 40.9 256.8 3.2 57.4 -12 3016 04 28 42 04 32 00 --- 23 38 24 40.2 257.4 3.3 57.7 198 3041 04 28 31 04 32 00 J2018+0831 23 38 24 38.3 254.4 3.3 55.7 -12 3041 04 32 12 04 33 30 --- 23 39 54 38.0 254.7 3.3 55.8 78 3051 04 32 01 Schedule for VLBA_KP (Code Kp ) Page 14 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 04 33 30 MG2016 23 39 54 39.9 257.6 3.3 57.8 -12 3051 04 33 42 04 37 00 --- 23 43 25 39.1 258.2 3.4 58.0 198 3077 04 33 31 04 37 40 J2018+0831 23 44 05 37.2 255.4 3.4 56.1 28 3077 04 37 40 04 38 40 --- 23 45 05 37.0 255.6 3.4 56.2 60 3084 04 37 41 04 38 40 MG2016 23 45 05 38.8 258.5 3.4 58.0 -12 3084 04 38 52 04 42 10 --- 23 48 36 38.1 259.1 3.5 58.2 198 3110 04 38 41 04 42 10 J2018+0831 23 48 36 36.3 256.2 3.5 56.4 -12 3110 04 42 22 04 43 40 --- 23 50 06 35.9 256.4 3.5 56.5 78 3120 04 42 11 04 43 40 MG2016 23 50 06 37.7 259.3 3.5 58.3 -12 3120 04 43 52 04 47 10 --- 23 53 36 37.0 259.9 3.6 58.5 198 3145 04 43 41 04 47 50 J2018+0831 23 54 17 35.1 257.1 3.6 56.8 28 3145 04 47 50 04 48 50 --- 23 55 17 34.9 257.3 3.6 56.8 60 3153 04 47 51 04 48 50 MG2016 23 55 17 36.7 260.2 3.6 58.6 -12 3153 04 49 02 04 52 20 --- 23 58 47 35.9 260.7 3.6 58.7 198 3179 04 48 51 04 52 20 J2018+0831 23 58 47 34.1 257.9 3.7 57.0 -12 3179 04 52 32 04 53 50 --- 00 00 18 33.8 258.1 3.7 57.1 78 3189 04 52 21 04 53 50 MG2016 00 00 18 35.6 260.9 3.7 58.8 -12 3189 04 54 02 04 57 20 --- 00 03 48 34.9 261.5 3.7 58.9 198 3214 04 53 51 04 58 00 J2018+0831 00 04 28 33.0 258.8 3.8 57.3 28 3214 04 58 00 04 59 00 --- 00 05 28 32.8 258.9 3.8 57.4 60 3222 04 58 01 04 59 00 MG2016 00 05 28 34.5 261.7 3.8 59.0 -12 3222 04 59 12 05 02 30 --- 00 08 59 33.8 262.3 3.8 59.1 198 3247 04 59 01 05 02 30 J2018+0831 00 08 59 32.0 259.5 3.8 57.5 -12 3247 05 02 42 05 04 00 --- 00 10 29 31.7 259.7 3.9 57.6 78 3257 05 02 31 05 04 00 MG2016 00 10 29 33.5 262.5 3.8 59.1 -12 3257 05 04 12 05 07 30 --- 00 14 00 32.7 263.0 3.9 59.3 198 3283 05 04 01 05 08 10 J2018+0831 00 14 40 30.8 260.4 3.9 57.8 28 3283 05 08 10 05 09 10 --- 00 15 40 30.6 260.5 3.9 57.8 60 3291 05 08 11 05 09 10 MG2016 00 15 40 32.4 263.3 3.9 59.3 -12 3291 05 09 22 05 12 40 --- 00 19 11 31.6 263.8 4.0 59.4 198 3316 05 09 11 Schedule for VLBA_KP (Code Kp ) Page 15 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 ---------------------------------------------------------------------------------------- --- Wed 30 Oct 2019 Day 303 --- 05 12 40 J2018+0831 00 19 11 29.9 261.1 4.0 58.0 -12 3316 05 12 52 05 14 10 --- 00 20 41 29.6 261.3 4.0 58.0 78 3326 05 12 41 05 14 10 MG2016 00 20 41 31.3 264.0 4.0 59.4 -11 3326 05 14 21 05 17 40 --- 00 24 11 30.6 264.5 4.1 59.5 199 3352 05 14 11 05 18 20 J2018+0831 00 24 52 28.7 261.9 4.1 58.2 28 3352 05 18 20 05 19 20 --- 00 25 52 28.5 262.1 4.1 58.2 60 3360 05 18 21 05 20 00 J2018+0831 00 26 32 28.4 262.2 4.1 58.2 34 3360 05 20 00 05 21 00 --- 00 27 32 28.1 262.3 4.1 58.3 60 3367 05 20 01 05 21 00 MG2016 00 27 32 29.9 265.0 4.1 59.6 -11 3367 05 21 11 05 24 30 --- 00 31 03 29.1 265.5 4.2 59.7 199 3393 05 21 01 05 24 30 J2018+0831 00 31 03 27.4 262.8 4.2 58.4 -12 3393 05 24 42 05 25 30 --- 00 32 03 27.2 263.0 4.2 58.4 48 3399 05 24 31 05 25 30 MG2016 00 32 03 28.9 265.7 4.2 59.7 -11 3399 05 25 41 05 29 00 --- 00 35 33 28.2 266.1 4.3 59.8 199 3425 05 25 31 05 29 00 J2018+0831 00 35 33 26.5 263.5 4.3 58.5 -12 3425 05 29 12 05 30 00 --- 00 36 33 26.2 263.6 4.3 58.5 48 3431 05 29 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.C1024glob Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: vc_d Setup group: 8 Station: VLBA_KP Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: RDBE_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= U U U U U U U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C VLBA FE= 6cm omit 6cm omit VLBA Synth= 13.6 4.1 13.6 The following frequency sets based on these setups were used. See the crd files for VLBA legacy system setups and pcal detection details. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 4860.25 4860.25 4892.25 4892.25 4924.25 4924.25 4956.25 4956.25 BBC fr= 760.25 760.25 792.25 792.25 824.25 824.25 856.25 856.25 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 800.25 800.25 832.25 832.25 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 16 17 18 19 20 21 22 23 24 26 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * MG2016 20 16 55.378166 * 20 19 18.092000 20 20 13.506927 0.00 11 17 44.97966 * 11 27 13.00000 11 31 07.98419 0.00 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606162 * 16 42 58.809900 16 43 36.712857 0.00 39 54 10.81394 * 39 48 36.99300 39 46 42.12824 0.00 From catalog imbedded in main SCHED input file. * J2018+0831 20 15 45.733430 * 20 18 11.311946 20 19 07.828310 0.00 08 22 30.62230 * 08 31 54.54739 08 35 47.07174 0.00 From catalog imbedded in main SCHED input file. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline MG2016 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 15 + 12.075 581.686 3C345 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 15 + 0.392 14.779 J2018+0831 sess319.C1024glob 1 2 3 4 5 6 7 8 9 10 11 15 + 4.458 200.004 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) MG2016 93.9 3C345 63.5 J2018+0831 92.9 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg