COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Tick-tock: exploring the imminent merger of a supermassive black hole bi Exp. Code: EM163 Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Marcote Address: JIVE Oude Hoogeveensedijk 4 Dwingeloo Netherlands Phone: +31 521 596 508 EMAIL: marcote@jive.eu Fax: Phone during observation: +31 521 596 508 Observing mode: vlbi Notes: ##### Please, make sure PHASE CAL is OFF ##### Schedule for URUMQI (Code Ur ) Page 2 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- Next scan frequencies: 4824.00 4824.00 4824.00 4824.00 4888.00 4888.00 4888.00 4888.00 4952.00 4952.00 4952.00 4952.00 5016.00 5016.00 5016.00 5016.00 Next BBC frequencies: 204.00 204.00 204.00 204.00 268.00 268.00 268.00 268.00 332.00 332.00 332.00 332.00 396.00 396.00 396.00 396.00 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 14 00 00 J1310+3220 13 00 24 78.5 168.1 -0.2 -10.2 0 0 14 00 00 14 03 00 =1308+326 13 03 25 78.6 171.2 -0.1 -7.5 180 46 14 00 01 14 04 30 J1427+2348 13 04 55 63.9 132.5 -1.4 -35.8 47 46 14 04 30 14 06 30 =1424+240 13 06 55 64.1 133.3 -1.4 -35.2 120 77 14 04 31 14 06 30 SDSSJ1430 13 06 55 63.1 132.9 -1.4 -35.3 -5 77 No stop 14 10 00 --- 13 10 26 63.6 134.4 -1.3 -34.3 205 131 14 06 31 14 10 30 J1427+2348 13 10 56 64.7 135.1 -1.3 -34.0 25 131 14 10 30 14 11 30 =1424+240 13 11 56 64.8 135.5 -1.3 -33.7 60 146 14 10 31 14 11 30 SDSSJ1430 13 11 56 63.8 135.0 -1.3 -33.9 -5 146 No stop 14 15 00 --- 13 15 27 64.2 136.6 -1.3 -32.8 205 200 14 11 31 14 15 00 J1427+2348 13 15 27 65.2 137.1 -1.2 -32.6 -5 200 No stop 14 16 30 =1424+240 13 16 57 65.4 137.8 -1.2 -32.2 85 223 14 15 01 14 16 30 SDSSJ1430 13 16 57 64.4 137.2 -1.2 -32.4 -5 223 No stop 14 20 00 --- 13 20 28 64.8 138.8 -1.2 -31.3 205 277 14 16 31 14 20 30 J1427+2348 13 20 58 65.9 139.7 -1.1 -30.8 25 277 14 20 30 14 21 30 =1424+240 13 21 58 66.0 140.2 -1.1 -30.5 60 292 14 20 31 14 21 30 SDSSJ1430 13 21 58 65.0 139.5 -1.2 -30.8 -5 292 No stop 14 25 00 --- 13 25 28 65.4 141.2 -1.1 -29.6 205 346 14 21 31 14 25 00 J1427+2348 13 25 28 66.4 141.9 -1.0 -29.3 -5 346 No stop 14 26 30 =1424+240 13 26 59 66.6 142.7 -1.0 -28.7 85 369 14 25 01 14 26 30 J1424+225A 13 26 59 66.1 144.9 -1.0 -26.9 -6 369 No stop 14 30 00 --- 13 30 29 66.4 146.7 -0.9 -25.6 204 423 14 26 31 14 30 30 J1427+2348 13 30 59 67.0 144.7 -1.0 -27.2 24 423 14 30 30 14 31 30 =1424+240 13 31 59 67.1 145.2 -0.9 -26.9 60 438 14 30 31 14 31 30 SDSSJ1430 13 31 59 66.1 144.4 -1.0 -27.3 -5 438 No stop 14 35 00 --- 13 35 30 66.5 146.2 -0.9 -26.0 205 492 14 31 31 Schedule for URUMQI (Code Ur ) Page 3 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 14 35 30 J1427+2348 13 36 00 67.5 147.4 -0.9 -25.3 25 492 14 35 30 14 36 30 =1424+240 13 37 00 67.6 147.9 -0.9 -24.9 60 508 14 35 31 14 36 30 SDSSJ1430 13 37 00 66.6 147.0 -0.9 -25.4 -5 508 No stop 14 40 00 --- 13 40 31 67.0 148.9 -0.8 -24.1 205 562 14 36 31 14 40 00 J1427+2348 13 40 31 67.9 149.9 -0.8 -23.4 -5 562 No stop 14 41 30 =1424+240 13 42 01 68.1 150.7 -0.8 -22.8 85 585 14 40 01 14 41 30 SDSSJ1430 13 42 01 67.1 149.7 -0.8 -23.5 -5 585 No stop 14 45 00 --- 13 45 32 67.4 151.6 -0.8 -22.0 205 638 14 41 31 14 45 30 J1427+2348 13 46 02 68.4 153.0 -0.7 -21.1 25 638 14 45 30 14 46 30 =1424+240 13 47 02 68.5 153.6 -0.7 -20.6 60 654 14 45 31 14 46 30 SDSSJ1430 13 47 02 67.5 152.4 -0.7 -21.4 -5 654 No stop 14 50 00 --- 13 50 32 67.8 154.4 -0.7 -19.9 205 708 14 46 31 14 50 00 J1427+2348 13 50 32 68.8 155.7 -0.6 -19.1 -5 708 No stop 14 51 30 =1424+240 13 52 03 68.9 156.6 -0.6 -18.4 85 731 14 50 01 14 51 30 J1424+225A 13 52 03 68.2 158.7 -0.6 -16.6 -6 731 No stop 14 55 00 --- 13 55 33 68.4 160.8 -0.5 -15.0 204 785 14 51 31 14 55 30 J1427+2348 13 56 03 69.2 159.0 -0.5 -16.5 24 785 14 55 30 14 56 30 =1424+240 13 57 04 69.2 159.6 -0.5 -16.0 60 800 14 55 31 14 56 30 SDSSJ1430 13 57 04 68.3 158.2 -0.6 -17.0 -5 800 No stop 15 00 00 --- 14 00 34 68.5 160.3 -0.5 -15.4 205 854 14 56 31 15 00 30 J1427+2348 14 01 04 69.5 162.2 -0.4 -14.1 24 854 15 00 30 15 01 30 =1424+240 14 02 04 69.5 162.8 -0.4 -13.6 60 869 15 00 31 15 01 30 SDSSJ1430 14 02 04 68.6 161.3 -0.5 -14.7 -5 869 No stop 15 05 00 --- 14 05 35 68.8 163.4 -0.4 -13.0 205 923 15 01 31 15 05 00 J1427+2348 14 05 35 69.7 165.0 -0.4 -11.8 -6 923 No stop 15 06 30 =1424+240 14 07 05 69.8 166.0 -0.3 -11.0 84 946 15 05 01 15 06 30 SDSSJ1430 14 07 05 68.9 164.4 -0.4 -12.3 -6 946 No stop 15 10 00 --- 14 10 36 69.1 166.6 -0.3 -10.5 204 1000 15 06 31 15 10 30 J1427+2348 14 11 06 69.9 168.6 -0.3 -9.0 24 1000 15 10 30 15 11 30 =1424+240 14 12 06 70.0 169.3 -0.3 -8.5 60 1015 15 10 31 Schedule for URUMQI (Code Ur ) Page 4 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 15 11 30 SDSSJ1430 14 12 06 69.1 167.5 -0.3 -9.8 -6 1015 No stop 15 15 00 --- 14 15 37 69.2 169.8 -0.3 -8.0 204 1069 15 11 31 15 15 00 J1427+2348 14 15 37 70.1 171.6 -0.2 -6.6 -6 1069 No stop 15 16 30 =1424+240 14 17 07 70.1 172.6 -0.2 -5.8 84 1092 15 15 01 15 16 30 J1424+225A 14 17 07 69.3 174.4 -0.1 -4.4 -6 1092 No stop 15 20 00 --- 14 20 37 69.3 176.7 -0.1 -2.6 204 1146 15 16 31 15 20 30 J1427+2348 14 21 07 70.2 175.3 -0.1 -3.7 24 1146 15 20 30 15 21 30 =1424+240 14 22 08 70.2 176.0 -0.1 -3.2 60 1162 15 20 31 15 21 30 SDSSJ1430 14 22 08 69.4 174.0 -0.2 -4.7 -6 1162 No stop 15 25 00 --- 14 25 38 69.5 176.3 -0.1 -2.9 204 1215 15 21 31 15 25 30 J1427+2348 14 26 08 70.2 178.7 -0.0 -1.0 24 1215 15 25 30 15 26 30 =1424+240 14 27 08 70.2 179.4 -0.0 -0.5 60 1231 15 25 31 15 26 30 SDSSJ1430 14 27 08 69.5 177.3 -0.1 -2.1 -6 1231 No stop 15 30 00 --- 14 30 39 69.5 179.6 -0.0 -0.3 204 1285 15 26 31 15 30 00 J1427+2348 14 30 39 70.2 181.8 0.0 1.4 -6 1285 No stop 15 31 30 =1424+240 14 32 09 70.2 182.8 0.1 2.2 84 1308 15 30 01 15 31 30 SDSSJ1430 14 32 09 69.5 180.6 0.0 0.4 -6 1308 No stop 15 35 00 --- 14 35 40 69.5 182.9 0.1 2.3 204 1362 15 31 31 15 35 30 J1427+2348 14 36 10 70.2 185.5 0.1 4.4 24 1362 15 35 30 15 36 30 =1424+240 14 37 10 70.1 186.2 0.2 4.9 60 1377 15 35 31 15 36 30 SDSSJ1430 14 37 10 69.5 183.9 0.1 3.0 -6 1377 No stop 15 40 00 --- 14 40 41 69.4 186.1 0.2 4.8 204 1431 15 36 31 15 40 00 J1427+2348 14 40 41 70.1 188.5 0.2 6.7 -6 1431 No stop 15 41 30 =1424+240 14 42 11 70.0 189.5 0.2 7.5 84 1454 15 40 01 15 41 30 J1424+225A 14 42 11 69.1 190.7 0.3 8.4 -5 1454 No stop 15 45 00 --- 14 45 42 69.0 192.9 0.3 10.2 205 1508 15 41 31 15 45 30 J1427+2348 14 46 12 69.9 192.2 0.3 9.6 25 1508 15 45 30 15 46 30 =1424+240 14 47 12 69.8 192.8 0.3 10.1 60 1523 15 45 31 15 46 30 SDSSJ1430 14 47 12 69.2 190.4 0.3 8.2 -6 1523 No stop 15 50 00 --- 14 50 42 69.1 192.6 0.3 9.9 204 1577 15 46 31 Schedule for URUMQI (Code Ur ) Page 5 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 15 50 30 J1427+2348 14 51 12 69.7 195.4 0.4 12.2 23 1577 15 50 30 15 51 30 =1424+240 14 52 13 69.6 196.1 0.4 12.7 60 1592 15 50 31 15 51 30 SDSSJ1430 14 52 13 69.0 193.6 0.3 10.7 -6 1592 No stop 15 55 00 --- 14 55 43 68.9 195.8 0.4 12.4 204 1646 15 51 31 15 55 00 J1427+2348 14 55 43 69.4 198.3 0.5 14.4 -7 1646 No stop 15 56 30 =1424+240 14 57 13 69.3 199.2 0.5 15.1 83 1669 15 55 01 15 56 30 SDSSJ1430 14 57 13 68.8 196.7 0.4 13.1 -6 1669 No stop 16 00 00 --- 15 00 44 68.6 198.9 0.5 14.8 204 1723 15 56 31 16 00 30 J1427+2348 15 01 14 69.1 201.7 0.6 17.1 23 1723 16 00 30 16 01 30 =1424+240 15 02 14 69.0 202.3 0.6 17.5 60 1738 16 00 31 16 01 30 SDSSJ1430 15 02 14 68.5 199.8 0.5 15.5 -7 1738 No stop 16 05 00 --- 15 05 45 68.3 201.9 0.6 17.1 203 1792 16 01 31 16 05 00 J1427+2348 15 05 45 68.8 204.5 0.6 19.2 -7 1792 No stop 16 06 30 =1424+240 15 07 15 68.6 205.4 0.7 19.8 83 1815 16 05 01 16 06 30 J1424+225A 15 07 15 67.6 205.9 0.7 20.1 -5 1815 No stop 16 10 00 --- 15 10 46 67.4 207.9 0.8 21.6 205 1869 16 06 31 16 10 30 J1427+2348 15 11 16 68.3 207.7 0.7 21.6 25 1869 16 10 30 16 11 30 =1424+240 15 12 16 68.2 208.3 0.7 22.0 60 1885 16 10 31 16 11 30 SDSSJ1430 15 12 16 67.8 205.7 0.7 20.0 -7 1885 No stop 16 15 00 --- 15 15 46 67.5 207.7 0.7 21.5 203 1938 16 11 31 16 15 30 J1427+2348 15 16 17 67.9 210.5 0.8 23.7 23 1938 16 15 30 16 16 30 =1424+240 15 17 17 67.8 211.1 0.8 24.2 60 1954 16 15 31 16 16 30 SDSSJ1430 15 17 17 67.4 208.5 0.8 22.1 -7 1954 No stop 16 20 00 --- 15 20 47 67.1 210.5 0.8 23.5 203 2008 16 16 31 16 20 00 J1427+2348 15 20 47 67.4 213.0 0.9 25.6 -7 2008 No stop 16 21 30 =1424+240 15 22 18 67.3 213.8 0.9 26.2 83 2031 16 20 01 16 21 30 SDSSJ1430 15 22 18 66.9 211.3 0.8 24.1 -7 2031 No stop 16 25 00 --- 15 25 48 66.6 213.1 0.9 25.5 203 2085 16 21 31 16 25 30 J1427+2348 15 26 18 66.9 215.9 1.0 27.7 23 2085 16 25 30 16 26 30 =1424+240 15 27 18 66.8 216.4 1.0 28.1 60 2100 16 25 31 Schedule for URUMQI (Code Ur ) Page 6 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 16 26 30 SDSSJ1430 15 27 18 66.5 213.9 0.9 26.1 -6 2100 No stop 16 30 00 --- 15 30 49 66.1 215.7 1.0 27.4 204 2154 16 26 31 16 30 00 J1427+2348 15 30 49 66.4 218.2 1.0 29.4 -7 2154 No stop 16 31 30 =1424+240 15 32 19 66.2 218.9 1.1 29.9 83 2177 16 30 01 16 31 30 J1424+225A 15 32 19 65.2 219.0 1.1 29.7 -5 2177 No stop 16 35 00 --- 15 35 50 64.8 220.7 1.2 30.9 205 2231 16 31 31 16 35 30 J1427+2348 15 36 20 65.8 220.9 1.1 31.3 25 2231 16 35 30 16 36 30 =1424+240 15 37 20 65.6 221.4 1.2 31.6 60 2246 16 35 31 16 36 30 SDSSJ1430 15 37 20 65.4 218.9 1.1 29.7 -6 2246 No stop 16 40 00 --- 15 40 51 65.0 220.6 1.2 30.8 204 2300 16 36 31 16 40 30 J1427+2348 15 41 21 65.1 223.2 1.2 32.9 24 2300 16 40 30 16 41 30 =1424+240 15 42 21 65.0 223.7 1.2 33.2 60 2315 16 40 31 16 41 30 SDSSJ1430 15 42 21 64.8 221.3 1.2 31.3 -6 2315 No stop 16 45 00 --- 15 45 51 64.4 222.9 1.2 32.4 204 2369 16 41 31 16 45 00 J1427+2348 15 45 51 64.6 225.3 1.3 34.3 -6 2369 No stop 16 46 30 =1424+240 15 47 22 64.4 225.9 1.3 34.7 84 2392 16 45 01 16 46 30 SDSSJ1430 15 47 22 64.2 223.5 1.3 32.9 -6 2392 No stop 16 50 00 --- 15 50 52 63.7 225.1 1.3 33.9 204 2446 16 46 31 16 50 30 J1427+2348 15 51 22 63.8 227.6 1.4 35.8 24 2446 16 50 30 16 51 30 =1424+240 15 52 22 63.7 228.1 1.4 36.1 60 2462 16 50 31 16 51 30 SDSSJ1430 15 52 22 63.5 225.7 1.4 34.4 -6 2462 No stop 16 55 00 --- 15 55 53 63.1 227.2 1.4 35.3 204 2515 16 51 31 16 55 00 J1427+2348 15 55 53 63.2 229.5 1.5 37.1 -6 2515 No stop 16 56 30 =1424+240 15 57 23 63.0 230.1 1.5 37.4 84 2538 16 55 01 16 56 30 J1424+225A 15 57 23 62.0 229.9 1.5 37.0 -5 2538 No stop 17 00 00 --- 16 00 54 61.5 231.3 1.6 37.9 205 2592 16 56 31 17 00 30 J1427+2348 16 01 24 62.5 231.7 1.6 38.5 25 2592 17 00 30 17 01 30 =1424+240 16 02 24 62.3 232.1 1.6 38.7 60 2608 17 00 31 17 01 30 SDSSJ1430 16 02 24 62.2 229.8 1.5 37.0 -6 2608 No stop 17 05 00 --- 16 05 55 61.7 231.2 1.6 37.9 204 2662 17 01 31 Schedule for URUMQI (Code Ur ) Page 7 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 17 05 30 J1427+2348 16 06 25 61.7 233.6 1.6 39.6 24 2662 17 05 30 17 06 30 =1424+240 16 07 25 61.6 234.0 1.7 39.9 60 2677 17 05 31 17 06 30 SDSSJ1430 16 07 25 61.5 231.8 1.6 38.3 -6 2677 No stop 17 10 00 --- 16 10 55 61.0 233.1 1.7 39.1 204 2731 17 06 31 17 10 00 J1427+2348 16 10 55 61.1 235.2 1.7 40.6 -6 2731 No stop 17 11 30 =1424+240 16 12 26 60.8 235.8 1.7 40.9 84 2754 17 10 01 17 11 30 SDSSJ1430 16 12 26 60.8 233.6 1.7 39.4 -6 2754 No stop 17 15 00 --- 16 15 56 60.2 234.9 1.7 40.1 204 2808 17 11 31 17 15 30 J1427+2348 16 16 26 60.2 237.2 1.8 41.8 24 2808 17 15 30 17 16 30 =1424+240 16 17 27 60.1 237.5 1.8 42.0 60 2823 17 15 31 17 16 30 SDSSJ1430 16 17 27 60.0 235.4 1.8 40.5 -6 2823 No stop 17 20 00 --- 16 20 57 59.5 236.6 1.8 41.2 204 2877 17 16 31 17 20 00 J1427+2348 16 20 57 59.5 238.7 1.9 42.6 -6 2877 No stop 17 21 30 =1424+240 16 22 27 59.3 239.2 1.9 42.9 84 2900 17 20 01 17 21 30 J1424+225A 16 22 27 58.3 238.8 1.9 42.4 -5 2900 No stop 17 25 00 --- 16 25 58 57.8 240.0 2.0 43.0 205 2954 17 21 31 17 25 30 J1427+2348 16 26 28 58.7 240.5 2.0 43.6 25 2954 17 25 30 17 26 30 =1424+240 16 27 28 58.5 240.8 2.0 43.8 60 2969 17 25 31 17 26 30 SDSSJ1430 16 27 28 58.5 238.8 1.9 42.4 -6 2969 No stop 17 30 00 --- 16 30 59 57.9 239.9 2.0 43.0 204 3023 17 26 31 17 30 30 J1427+2348 16 31 29 57.9 242.1 2.1 44.4 24 3023 17 30 30 17 31 30 =1424+240 16 32 29 57.7 242.4 2.1 44.6 60 3038 17 30 31 17 31 30 SDSSJ1430 16 32 29 57.7 240.4 2.0 43.3 -6 3038 No stop 17 35 00 --- 16 36 00 57.2 241.5 2.1 43.8 204 3092 17 31 31 17 35 00 J1427+2348 16 36 00 57.2 243.4 2.1 45.1 -6 3092 No stop 17 36 30 =1424+240 16 37 30 56.9 243.9 2.2 45.4 84 3115 17 35 01 17 36 30 SDSSJ1430 16 37 30 56.9 242.0 2.1 44.1 -6 3115 No stop 17 40 00 --- 16 41 00 56.3 243.0 2.2 44.6 204 3169 17 36 31 17 40 30 J1427+2348 16 41 30 56.3 245.0 2.2 45.9 24 3169 17 40 30 17 41 30 =1424+240 16 42 31 56.1 245.3 2.2 46.1 60 3185 17 40 31 Schedule for URUMQI (Code Ur ) Page 8 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 17 41 30 SDSSJ1430 16 42 31 56.1 243.4 2.2 44.8 -6 3185 No stop 17 45 00 --- 16 46 01 55.5 244.5 2.2 45.3 204 3238 17 41 31 17 45 00 J1427+2348 16 46 01 55.5 246.3 2.3 46.5 -6 3238 No stop 17 46 30 =1424+240 16 47 31 55.3 246.7 2.3 46.7 84 3262 17 45 01 17 46 30 J1424+225A 16 47 31 54.3 246.3 2.4 46.1 -5 3262 No stop 17 50 00 --- 16 51 02 53.7 247.2 2.4 46.6 205 3315 17 46 31 17 50 30 J1427+2348 16 51 32 54.6 247.8 2.4 47.2 25 3315 17 50 30 17 51 30 =1424+240 16 52 32 54.4 248.1 2.4 47.3 60 3331 17 50 31 17 51 30 SDSSJ1430 16 52 32 54.5 246.3 2.4 46.2 -6 3331 No stop 17 55 00 --- 16 56 03 53.9 247.2 2.4 46.6 204 3385 17 51 31 17 55 30 J1427+2348 16 56 33 53.7 249.1 2.5 47.8 24 3385 17 55 30 17 56 30 =1424+240 16 57 33 53.6 249.4 2.5 47.9 60 3400 17 55 31 17 56 30 SDSSJ1430 16 57 33 53.6 247.6 2.4 46.8 -6 3400 No stop 18 00 00 --- 17 01 04 53.0 248.6 2.5 47.2 204 3454 17 56 31 18 00 00 J1427+2348 17 01 04 53.0 250.3 2.6 48.3 -6 3454 No stop 18 01 30 =1424+240 17 02 34 52.7 250.7 2.6 48.4 84 3477 18 00 01 18 01 30 SDSSJ1430 17 02 34 52.8 249.0 2.5 47.4 -6 3477 No stop 18 05 00 --- 17 06 05 52.2 249.8 2.6 47.7 204 3531 18 01 31 18 05 30 J1427+2348 17 06 35 52.0 251.7 2.6 48.8 24 3531 18 05 30 18 06 30 =1424+240 17 07 35 51.9 251.9 2.7 48.9 60 3546 18 05 31 18 06 30 SDSSJ1430 17 07 35 51.9 250.2 2.6 47.9 -6 3546 No stop 18 10 00 --- 17 11 05 51.3 251.1 2.7 48.2 204 3600 18 06 31 18 10 00 J1427+2348 17 11 05 51.2 252.8 2.7 49.2 -6 3600 No stop 18 11 30 =1424+240 17 12 36 51.0 253.1 2.7 49.3 84 3623 18 10 01 18 11 30 J1424+225A 17 12 36 50.0 252.7 2.8 48.7 -5 3623 No stop 18 15 00 --- 17 16 06 49.4 253.5 2.8 49.0 205 3677 18 11 31 18 15 30 J1427+2348 17 16 36 50.3 254.1 2.8 49.7 25 3677 18 15 30 18 16 30 =1424+240 17 17 36 50.1 254.3 2.8 49.7 60 3692 18 15 31 18 24 30 J1310+3220 17 25 38 39.8 279.6 4.2 57.8 452 3692 18 24 30 18 27 30 =1308+326 17 28 38 39.3 280.0 4.3 57.7 180 3738 18 24 31 Schedule for URUMQI (Code Ur ) Page 9 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 18 29 00 J1427+2348 17 30 08 47.9 257.1 3.0 50.6 63 3738 18 29 00 18 30 30 =1424+240 17 31 39 47.6 257.4 3.1 50.7 90 3762 18 29 01 18 30 30 SDSSJ1430 17 31 39 47.7 255.9 3.0 49.8 -6 3762 No stop 18 34 00 --- 17 35 09 47.1 256.6 3.1 50.1 204 3815 18 30 31 18 34 30 J1427+2348 17 35 39 46.9 258.3 3.1 50.9 24 3815 18 34 30 18 35 30 =1424+240 17 36 40 46.8 258.5 3.1 51.0 60 3831 18 34 31 18 35 30 SDSSJ1430 17 36 40 46.9 257.0 3.1 50.2 -5 3831 No stop 18 39 00 --- 17 40 10 46.2 257.7 3.1 50.4 205 3885 18 35 31 18 39 00 J1427+2348 17 40 10 46.1 259.2 3.2 51.1 -5 3885 No stop 18 40 30 =1424+240 17 41 40 45.9 259.5 3.2 51.2 85 3908 18 39 01 18 40 30 SDSSJ1430 17 41 40 46.0 258.0 3.2 50.4 -5 3908 No stop 18 44 00 --- 17 45 11 45.4 258.8 3.2 50.6 205 3962 18 40 31 18 44 30 J1427+2348 17 45 41 45.1 260.4 3.3 51.4 25 3962 18 44 30 18 45 30 =1424+240 17 46 41 45.0 260.6 3.3 51.4 60 3977 18 44 31 18 45 30 SDSSJ1430 17 46 41 45.1 259.1 3.3 50.7 -5 3977 No stop 18 49 00 --- 17 50 12 44.5 259.8 3.3 50.9 205 4031 18 45 31 18 49 00 J1427+2348 17 50 12 44.3 261.3 3.4 51.6 -5 4031 No stop 18 50 30 =1424+240 17 51 42 44.1 261.6 3.4 51.6 85 4054 18 49 01 18 50 30 J1424+225A 17 51 42 43.1 261.1 3.4 51.1 -5 4054 No stop 18 54 00 --- 17 55 13 42.5 261.8 3.5 51.2 205 4108 18 50 31 18 54 30 J1427+2348 17 55 43 43.3 262.3 3.5 51.8 25 4108 18 54 30 18 55 30 =1424+240 17 56 43 43.2 262.5 3.5 51.8 60 4123 18 54 31 18 55 30 SDSSJ1430 17 56 43 43.3 261.1 3.4 51.1 -5 4123 No stop 18 59 00 --- 18 00 13 42.7 261.8 3.5 51.3 205 4177 18 55 31 18 59 30 J1427+2348 18 00 43 42.4 263.3 3.5 51.9 25 4177 18 59 30 19 00 30 =1424+240 18 01 44 42.3 263.5 3.6 52.0 60 4192 18 59 31 19 00 30 SDSSJ1430 18 01 44 42.4 262.1 3.5 51.3 -5 4192 No stop 19 04 00 --- 18 05 14 41.8 262.8 3.6 51.4 205 4246 19 00 31 19 04 00 J1427+2348 18 05 14 41.6 264.2 3.6 52.0 -5 4246 No stop 19 05 30 =1424+240 18 06 44 41.4 264.5 3.6 52.1 85 4269 19 04 01 Schedule for URUMQI (Code Ur ) Page 10 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 19 05 30 SDSSJ1430 18 06 44 41.5 263.1 3.6 51.5 -5 4269 No stop 19 09 00 --- 18 10 15 40.9 263.7 3.6 51.6 205 4323 19 05 31 19 09 30 J1427+2348 18 10 45 40.6 265.2 3.7 52.2 25 4323 19 09 30 19 10 30 =1424+240 18 11 45 40.5 265.4 3.7 52.2 60 4338 19 09 31 19 10 30 SDSSJ1430 18 11 45 40.6 264.0 3.7 51.6 -5 4338 No stop 19 14 00 --- 18 15 16 40.0 264.7 3.7 51.7 205 4392 19 10 31 19 14 00 J1427+2348 18 15 16 39.8 266.0 3.8 52.2 -5 4392 No stop 19 15 30 =1424+240 18 16 46 39.5 266.3 3.8 52.3 85 4415 19 14 01 19 15 30 J1424+225A 18 16 46 38.6 265.9 3.9 51.8 -5 4415 No stop 19 19 00 --- 18 20 17 37.9 266.5 3.9 51.8 205 4469 19 15 31 19 19 30 J1427+2348 18 20 47 38.8 267.0 3.9 52.3 25 4469 19 19 30 19 20 30 =1424+240 18 21 47 38.6 267.2 3.9 52.3 60 4485 19 19 31 19 20 30 SDSSJ1430 18 21 47 38.8 265.9 3.8 51.8 -5 4485 No stop 19 24 00 --- 18 25 17 38.1 266.5 3.9 51.9 205 4538 19 20 31 19 24 30 J1427+2348 18 25 48 37.9 267.9 4.0 52.4 25 4538 19 24 30 19 25 30 =1424+240 18 26 48 37.7 268.1 4.0 52.4 60 4554 19 24 31 19 25 30 SDSSJ1430 18 26 48 37.9 266.8 3.9 51.9 -5 4554 No stop 19 29 00 --- 18 30 18 37.2 267.4 4.0 51.9 205 4608 19 25 31 19 29 00 J1427+2348 18 30 18 37.1 268.7 4.0 52.4 -5 4608 No stop 19 30 30 =1424+240 18 31 49 36.8 269.0 4.1 52.4 85 4631 19 29 01 19 30 30 SDSSJ1430 18 31 49 37.0 267.7 4.0 52.0 -5 4631 No stop 19 34 00 --- 18 35 19 36.3 268.3 4.1 52.0 205 4685 19 30 31 19 34 30 J1427+2348 18 35 49 36.1 269.7 4.1 52.4 25 4685 19 34 30 19 35 30 =1424+240 18 36 49 35.9 269.9 4.1 52.4 60 4700 19 34 31 19 35 30 SDSSJ1430 18 36 49 36.0 268.6 4.1 52.0 -5 4700 No stop 19 39 00 --- 18 40 20 35.4 269.2 4.2 52.0 205 4754 19 35 31 19 39 00 J1427+2348 18 40 20 35.3 270.5 4.2 52.4 -5 4754 No stop 19 40 30 =1424+240 18 41 50 35.0 270.7 4.2 52.4 85 4777 19 39 01 19 40 30 J1424+225A 18 41 50 34.0 270.3 4.3 51.9 -5 4777 No stop 19 44 00 --- 18 45 21 33.4 270.9 4.3 51.9 205 4831 19 40 31 Schedule for URUMQI (Code Ur ) Page 11 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 19 44 30 J1427+2348 18 45 51 34.3 271.4 4.3 52.4 25 4831 19 44 30 19 45 30 =1424+240 18 46 51 34.1 271.6 4.3 52.4 60 4846 19 44 31 19 45 30 SDSSJ1430 18 46 51 34.2 270.3 4.3 52.0 -5 4846 No stop 19 49 00 --- 18 50 22 33.6 270.9 4.3 52.0 205 4900 19 45 31 19 49 30 J1427+2348 18 50 52 33.4 272.2 4.4 52.4 25 4900 19 49 30 19 50 30 =1424+240 18 51 52 33.2 272.4 4.4 52.4 60 4915 19 49 31 19 50 30 SDSSJ1430 18 51 52 33.3 271.2 4.3 52.0 -5 4915 No stop 19 54 00 --- 18 55 22 32.7 271.7 4.4 52.0 205 4969 19 50 31 19 54 00 J1427+2348 18 55 22 32.5 273.0 4.5 52.3 -5 4969 No stop 19 55 30 =1424+240 18 56 53 32.3 273.2 4.5 52.3 85 4992 19 54 01 19 55 30 SDSSJ1430 18 56 53 32.4 272.0 4.4 52.0 -5 4992 No stop 19 59 00 --- 19 00 23 31.8 272.6 4.5 51.9 205 5046 19 55 31 19 59 30 J1427+2348 19 00 53 31.5 273.9 4.5 52.3 25 5046 19 59 30 20 00 30 =1424+240 19 01 53 31.4 274.1 4.6 52.2 60 5062 19 59 31 20 00 30 SDSSJ1430 19 01 53 31.5 272.8 4.5 51.9 -5 5062 No stop 20 04 00 --- 19 05 24 30.9 273.4 4.6 51.9 205 5115 20 00 31 20 04 00 J1427+2348 19 05 24 30.7 274.6 4.6 52.2 -5 5115 No stop 20 05 30 =1424+240 19 06 54 30.5 274.9 4.6 52.2 85 5138 20 04 01 20 05 30 J1424+225A 19 06 54 29.5 274.5 4.7 51.7 -5 5138 No stop 20 09 00 --- 19 10 25 28.9 275.1 4.7 51.7 205 5192 20 05 31 20 09 30 J1427+2348 19 10 55 29.7 275.5 4.7 52.1 25 5192 20 09 30 20 10 30 =1424+240 19 11 55 29.6 275.7 4.7 52.1 60 5208 20 09 31 20 10 30 SDSSJ1430 19 11 55 29.7 274.5 4.7 51.8 -5 5208 No stop 20 14 00 --- 19 15 26 29.1 275.1 4.7 51.7 205 5262 20 10 31 20 14 30 J1427+2348 19 15 56 28.8 276.3 4.8 52.0 25 5262 20 14 30 20 15 30 =1424+240 19 16 56 28.6 276.5 4.8 51.9 60 5277 20 14 31 20 15 30 SDSSJ1430 19 16 56 28.8 275.3 4.8 51.7 -5 5277 No stop 20 19 00 --- 19 20 27 28.1 275.9 4.8 51.6 205 5331 20 15 31 20 19 00 J1427+2348 19 20 27 28.0 277.1 4.9 51.9 -5 5331 No stop 20 20 30 =1424+240 19 21 57 27.7 277.3 4.9 51.8 85 5354 20 19 01 Schedule for URUMQI (Code Ur ) Page 12 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 20 20 30 SDSSJ1430 19 21 57 27.9 276.1 4.8 51.6 -5 5354 No stop 20 24 00 --- 19 25 27 27.2 276.7 4.9 51.5 205 5408 20 20 31 20 24 30 J1427+2348 19 25 57 27.0 277.9 5.0 51.7 25 5408 20 24 30 20 25 30 =1424+240 19 26 58 26.8 278.1 5.0 51.7 60 5423 20 24 31 20 25 30 SDSSJ1430 19 26 58 27.0 276.9 4.9 51.5 -5 5423 No stop 20 29 00 --- 19 30 28 26.3 277.5 5.0 51.4 205 5477 20 25 31 20 29 00 J1427+2348 19 30 28 26.2 278.7 5.0 51.6 -5 5477 No stop 20 30 30 =1424+240 19 31 58 25.9 278.9 5.1 51.5 85 5500 20 29 01 20 30 30 J1424+225A 19 31 58 25.0 278.5 5.1 51.1 -5 5500 No stop 20 34 00 --- 19 35 29 24.3 279.1 5.2 51.0 205 5554 20 30 31 20 34 30 J1427+2348 19 35 59 25.2 279.5 5.1 51.4 25 5554 20 34 30 20 35 30 =1424+240 19 36 59 25.0 279.7 5.1 51.4 60 5569 20 34 31 20 35 30 SDSSJ1430 19 36 59 25.2 278.5 5.1 51.2 -5 5569 No stop 20 39 00 --- 19 40 30 24.5 279.1 5.2 51.1 205 5623 20 35 31 20 39 30 J1427+2348 19 41 00 24.3 280.3 5.2 51.2 25 5623 20 39 30 20 40 30 =1424+240 19 42 00 24.1 280.5 5.2 51.2 60 5638 20 39 31 20 40 30 SDSSJ1430 19 42 00 24.3 279.3 5.2 51.1 -5 5638 No stop 20 44 00 --- 19 45 31 23.6 279.9 5.2 50.9 205 5692 20 40 31 20 44 00 J1427+2348 19 45 31 23.5 281.0 5.3 51.1 -5 5692 No stop 20 45 30 =1424+240 19 47 01 23.3 281.3 5.3 51.0 85 5715 20 44 01 20 45 30 SDSSJ1430 19 47 01 23.4 280.1 5.3 50.9 -5 5715 No stop 20 49 00 --- 19 50 31 22.7 280.7 5.3 50.8 205 5769 20 45 31 20 49 30 J1427+2348 19 51 02 22.5 281.9 5.4 50.9 25 5769 20 49 30 20 50 30 =1424+240 19 52 02 22.4 282.1 5.4 50.8 60 5785 20 49 31 20 50 30 SDSSJ1430 19 52 02 22.5 280.9 5.3 50.7 -5 5785 No stop 20 54 00 --- 19 55 32 21.9 281.5 5.4 50.6 205 5838 20 50 31 20 54 00 J1427+2348 19 55 32 21.7 282.6 5.5 50.7 -5 5838 No stop 20 55 30 =1424+240 19 57 03 21.5 282.8 5.5 50.6 85 5862 20 54 01 20 55 30 J1424+225A 19 57 03 20.5 282.5 5.5 50.2 -5 5862 No stop 20 59 00 --- 20 00 33 19.9 283.0 5.6 50.1 205 5915 20 55 31 Schedule for URUMQI (Code Ur ) Page 13 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 20 59 30 J1427+2348 20 01 03 20.8 283.5 5.6 50.4 25 5915 20 59 30 21 00 30 =1424+240 20 02 03 20.6 283.6 5.6 50.4 60 5931 20 59 31 21 00 30 SDSSJ1430 20 02 03 20.7 282.5 5.5 50.3 -5 5931 No stop 21 04 00 --- 20 05 34 20.1 283.1 5.6 50.2 205 5985 21 00 31 21 04 30 J1427+2348 20 06 04 19.9 284.2 5.6 50.2 25 5985 21 04 30 21 05 30 =1424+240 20 07 04 19.7 284.4 5.7 50.1 60 6000 21 04 31 21 05 30 SDSSJ1430 20 07 04 19.8 283.3 5.6 50.1 -5 6000 No stop 21 09 00 --- 20 10 35 19.2 283.8 5.7 49.9 205 6054 21 05 31 21 09 00 J1427+2348 20 10 35 19.1 285.0 5.7 50.0 -5 6054 No stop 21 10 30 =1424+240 20 12 05 18.8 285.2 5.7 49.9 85 6077 21 09 01 21 10 30 SDSSJ1430 20 12 05 18.9 284.1 5.7 49.9 -5 6077 No stop 21 14 00 --- 20 15 36 18.3 284.6 5.7 49.7 205 6131 21 10 31 21 14 30 J1427+2348 20 16 06 18.1 285.8 5.8 49.7 25 6131 21 14 30 21 15 30 =1424+240 20 17 06 18.0 286.0 5.8 49.6 60 6146 21 14 31 21 15 30 SDSSJ1430 20 17 06 18.0 284.9 5.8 49.6 -5 6146 No stop 21 19 00 --- 20 20 36 17.4 285.4 5.8 49.4 205 6200 21 15 31 21 19 00 J1427+2348 20 20 36 17.3 286.5 5.9 49.5 -5 6200 No stop 21 20 30 =1424+240 20 22 07 17.1 286.7 5.9 49.4 85 6223 21 19 01 21 20 30 J1424+225A 20 22 07 16.1 286.4 5.9 49.0 -5 6223 No stop 21 24 00 --- 20 25 37 15.5 287.0 6.0 48.9 205 6277 21 20 31 21 24 30 J1427+2348 20 26 07 16.4 287.4 6.0 49.1 25 6277 21 24 30 21 25 30 =1424+240 20 27 07 16.2 287.5 6.0 49.1 60 6292 21 24 31 21 25 30 SDSSJ1430 20 27 07 16.3 286.4 5.9 49.1 -5 6292 No stop 21 29 00 --- 20 30 38 15.7 287.0 6.0 48.9 205 6346 21 25 31 21 29 30 J1427+2348 20 31 08 15.5 288.2 6.1 48.9 25 6346 21 29 30 21 30 30 =1424+240 20 32 08 15.3 288.3 6.1 48.8 60 6362 21 29 31 21 30 30 SDSSJ1430 20 32 08 15.4 287.2 6.0 48.8 -5 6362 No stop 21 34 00 --- 20 35 39 14.8 287.8 6.1 48.6 205 6415 21 30 31 21 34 00 J1427+2348 20 35 39 14.7 288.9 6.1 48.6 -5 6415 No stop 21 35 30 =1424+240 20 37 09 14.5 289.1 6.2 48.5 85 6438 21 34 01 Schedule for URUMQI (Code Ur ) Page 14 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 21 35 30 SDSSJ1430 20 37 09 14.6 288.0 6.1 48.6 -5 6438 No stop 21 39 00 --- 20 40 40 14.0 288.6 6.2 48.3 205 6492 21 35 31 21 39 30 J1427+2348 20 41 10 13.8 289.7 6.2 48.2 25 6492 21 39 30 21 40 30 =1424+240 20 42 10 13.6 289.9 6.2 48.2 60 6508 21 39 31 21 40 30 SDSSJ1430 20 42 10 13.7 288.8 6.2 48.3 -5 6508 No stop 21 44 00 --- 20 45 40 13.1 289.4 6.2 48.0 205 6562 21 40 31 21 44 00 J1427+2348 20 45 40 13.0 290.4 6.3 48.0 -5 6562 No stop 21 45 30 =1424+240 20 47 11 12.8 290.7 6.3 47.9 85 6585 21 44 01 21 45 30 J1424+225A 20 47 11 11.8 290.4 6.4 47.6 -5 6585 No stop 21 49 00 --- 20 50 41 11.2 290.9 6.4 47.3 205 6638 21 45 31 21 49 30 J1427+2348 20 51 11 12.1 291.3 6.4 47.6 25 6638 21 49 30 21 50 30 =1424+240 20 52 12 11.9 291.5 6.4 47.5 60 6654 21 49 31 21 50 30 SDSSJ1430 20 52 12 12.0 290.4 6.3 47.6 -5 6654 No stop 21 54 00 --- 20 55 42 11.4 290.9 6.4 47.4 205 6708 21 50 31 21 54 30 J1427+2348 20 56 12 11.2 292.1 6.5 47.3 25 6708 21 54 30 21 55 30 =1424+240 20 57 12 11.1 292.3 6.5 47.2 60 6723 21 54 31 21 55 30 SDSSJ1430 20 57 12 11.1 291.2 6.4 47.3 -5 6723 No stop 21 59 00 --- 21 00 43 10.5 291.7 6.5 47.1 205 6777 21 55 31 21 59 00 J1427+2348 21 00 43 10.5 292.8 6.5 46.9 -5 6777 No stop 22 00 30 =1424+240 21 02 13 10.2 293.1 6.6 46.8 85 6800 21 59 01 22 00 30 SDSSJ1430 21 02 13 10.3 292.0 6.5 47.0 -5 6800 No stop 22 04 00 --- 21 05 44 9.7 292.5 6.6 46.7 205 6854 22 00 31 22 04 30 J1427+2348 21 06 14 9.6 293.7 6.6 46.5 25 6854 22 04 30 22 05 30 =1424+240 21 07 14 9.4 293.9 6.7 46.5 60 6869 22 04 31 22 05 30 SDSSJ1430 21 07 14 9.4 292.8 6.6 46.6 -5 6869 No stop 22 09 00 --- 21 10 45 8.9 293.4 6.7 46.4 205 6923 22 05 31 22 09 00 J1427+2348 21 10 45 8.8 294.4 6.7 46.2 -5 6923 No stop 22 10 30 =1424+240 21 12 15 8.6 294.7 6.7 46.1 85 6946 22 09 01 22 10 30 J1424+225A 21 12 15 7.6 294.4 6.8 45.8 -5 6946 No stop 22 14 00 --- 21 15 45 7.0 295.0 6.8 45.5 205 7000 22 10 31 Schedule for URUMQI (Code Ur ) Page 15 Tick-tock: exploring the imminent merger of a supermassive black hole bi 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 ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2022 Day 160 --- 22 14 30 J1427+2348 21 16 15 7.9 295.3 6.8 45.8 25 7000 22 14 30 22 15 30 =1424+240 21 17 16 7.8 295.5 6.8 45.7 60 7015 22 14 31 22 28 30 J1427+2348 21 30 18 5.6 297.6 7.0 44.6 778 7015 22 28 30 22 30 00 =1424+240 21 31 48 5.4 297.8 7.1 44.5 90 7038 22 28 31 --- Fri 10 Jun 2022 Day 161 --- 01 57 00 J2236+2828 00 59 22 58.0 254.2 2.4 52.7 12252 7038 01 57 00 02 00 00 =2234+282 01 02 23 57.5 254.9 2.4 52.9 180 7085 01 57 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess222.C4096 --- 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: 10 Station: URUMQI Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 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 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 L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 The following frequency sets based on these setups were used. Frequency Set: 8 Setup file default. Used with PCAL = off LO sum= 4824.00 4824.00 4824.00 4824.00 4888.00 4888.00 4888.00 4888.00 4952.00 4952.00 4952.00 4952.00 5016.00 5016.00 5016.00 5016.00 BBC fr= 204.00 204.00 204.00 204.00 268.00 268.00 268.00 268.00 332.00 332.00 332.00 332.00 396.00 396.00 396.00 396.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 8 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * SDSSJ1430 14 27 59.587526 * 14 30 16.040960 14 31 17.709404 0.00 23 17 01.74515 * 23 03 44.53870 22 57 53.48423 0.00 From catalog imbedded in main SCHED input file. * J1424+225A 14 22 20.997855 * 14 24 38.118000 14 25 40.056440 0.00 23 09 32.78519 * 22 56 00.89000 22 50 03.48944 0.00 From catalog imbedded in main SCHED input file. 1308+326 13 08 07.560130 * 13 10 28.663850 13 11 32.081242 0.22 * J1310+3220 32 36 40.23884 * 32 20 43.78291 32 13 47.16499 0.20 J1310+32 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 116159 observations. 1424+240 14 24 44.222625 * 14 27 00.391778 14 28 01.929142 0.03 * J1427+2348 24 01 25.78942 * 23 48 00.03753 23 42 05.46557 0.03 J1427+23 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 1168 observations. 2234+282 22 34 01.728802 * 22 36 22.470847 22 37 24.984734 0.34 * J2236+2828 28 13 23.21045 * 28 28 57.41317 28 35 39.87633 0.31 J2236+28 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 91001 observations. 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 SDSSJ1430 sess222.C4096 1 2 3 4 5 6 7 8 9 11 12 13 + 6.300 721.043 J1424+225A sess222.C4096 1 2 3 4 5 6 7 8 9 11 12 13 + 1.575 180.699 J1310+3220 sess222.C4096 1 2 3 4 5 6 7 8 9 11 12 13 + 0.150 19.000 J1427+2348 sess222.C4096 1 2 3 4 5 6 7 8 9 11 12 13 + 2.783 311.149 J2236+2828 sess222.C4096 1 2 3 4 5 6 7 8 9 11 12 13 + 0.050 5.425 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) SDSSJ1430 119.7 J1424+225A 118.9 J1310+3220 100.4 J1427+2348 118.6 J2236+2828 86.3 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