COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Revealing the radio structure in AT2018cow Exp. Code: EM137 Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Jun Yang, contact person Address: Onsala Space Observatory SE-439 92 Onsala Sweden Phone: +46 31 7725531 EMAIL: jun.yang@chalmers.se Fax: +46 31 7725590 Phone during observation: +46 31 7725531 Observing mode: 2048-16-2 Notes: PI: Prashanth Mohan, Shanghai Astronomical Observatory 2048 Mbps, 16x32 MHz, RCP & LCP, 2 bit sampling Full EVN observations at C band/5 GHz. DBBC2 stations: DDC V107. Schedule for URUMQI (Code Ur ) Page 2 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- ---------- Fringe finder ---------- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 210.49 210.49 210.49 210.49 274.49 274.49 274.49 274.49 338.49 338.49 338.49 338.49 402.49 402.49 402.49 402.49 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 17 00 00 J1642+3948 15 44 03 78.3 103.3 -1.0 -66.8 0 0 17 00 00 17 02 00 =3C345 15 46 03 78.6 104.1 -1.0 -66.3 120 31 17 00 01 ---------- Main phase-referencing calibrator ---------- 17 03 30 J1619+2247 15 47 33 68.2 159.4 -0.5 -16.1 31 31 17 03 30 17 05 30 --- 15 49 34 68.3 160.6 -0.5 -15.1 120 62 17 03 31 17 05 50 VLA1 15 49 54 68.1 163.3 -0.4 -13.0 13 62 17 05 50 17 07 50 --- 15 51 54 68.2 164.5 -0.4 -12.1 120 92 17 05 51 17 08 10 J1619+2247 15 52 14 68.5 162.2 -0.5 -13.9 14 92 17 08 10 17 09 10 --- 15 53 14 68.6 162.9 -0.4 -13.4 60 108 17 08 11 17 09 10 AT2018 15 53 14 68.2 165.2 -0.4 -11.6 -6 108 No stop 17 12 10 --- 15 56 15 68.3 167.0 -0.3 -10.2 174 154 17 09 11 17 12 10 J1619+2247 15 56 15 68.7 164.7 -0.4 -12.0 -6 154 No stop 17 13 10 --- 15 57 15 68.7 165.3 -0.4 -11.5 54 169 17 12 11 17 13 10 AT2018 15 57 15 68.4 167.6 -0.3 -9.7 -6 169 No stop 17 16 10 --- 16 00 16 68.5 169.5 -0.3 -8.2 174 215 17 13 11 17 16 10 J1619+2247 16 00 16 68.9 167.2 -0.3 -10.0 -6 215 No stop 17 17 10 --- 16 01 16 68.9 167.9 -0.3 -9.5 54 231 17 16 11 17 17 45 VLA1 16 01 51 68.5 170.7 -0.2 -7.3 29 231 17 17 45 17 19 45 --- 16 03 51 68.6 171.9 -0.2 -6.3 120 262 17 17 46 17 19 45 J1619+2247 16 03 51 69.0 169.5 -0.3 -8.2 -6 262 No stop 17 20 45 --- 16 04 51 69.0 170.1 -0.3 -7.7 54 277 17 19 46 17 20 45 AT2018 16 04 51 68.6 172.4 -0.2 -6.0 -6 277 No stop 17 23 45 --- 16 07 52 68.7 174.3 -0.1 -4.5 174 323 17 20 46 17 23 45 J1619+2247 16 07 52 69.1 172.1 -0.2 -6.2 -6 323 No stop 17 24 45 --- 16 08 52 69.2 172.7 -0.2 -5.7 54 338 17 23 46 Schedule for URUMQI (Code Ur ) Page 3 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 17 24 45 AT2018 16 08 52 68.7 174.9 -0.1 -4.0 -6 338 No stop 17 26 45 --- 16 10 52 68.7 176.2 -0.1 -3.0 114 369 17 24 46 17 26 45 VLA2 16 10 52 68.8 175.7 -0.1 -3.3 -4 369 No stop 17 27 45 --- 16 11 52 68.8 176.4 -0.1 -2.8 56 385 17 26 46 17 28 20 J1619+2247 16 12 28 69.2 175.0 -0.1 -3.9 29 385 17 28 20 17 29 20 --- 16 13 28 69.2 175.7 -0.1 -3.4 60 400 17 28 21 17 29 20 AT2018 16 13 28 68.7 177.8 -0.1 -1.7 -6 400 No stop 17 32 20 --- 16 16 28 68.8 179.8 -0.0 -0.2 174 446 17 29 21 17 32 20 J1619+2247 16 16 28 69.3 177.6 -0.1 -1.9 -6 446 No stop 17 33 20 --- 16 17 28 69.3 178.3 -0.0 -1.3 54 462 17 32 21 17 33 20 AT2018 16 17 28 68.8 180.4 0.0 0.3 -6 462 No stop 17 36 20 --- 16 20 29 68.7 182.3 0.1 1.8 174 508 17 33 21 17 36 20 J1619+2247 16 20 29 69.3 180.3 0.0 0.2 -6 508 No stop 17 37 20 --- 16 21 29 69.3 180.9 0.0 0.7 54 523 17 36 21 17 37 55 VLA1 16 22 04 68.7 183.5 0.1 2.8 29 523 17 37 55 17 39 55 --- 16 24 04 68.7 184.8 0.1 3.8 120 554 17 37 56 17 39 55 J1619+2247 16 24 04 69.3 182.6 0.1 2.0 -6 554 No stop 17 40 55 --- 16 25 05 69.3 183.2 0.1 2.6 54 569 17 39 56 17 40 55 AT2018 16 25 05 68.7 185.2 0.1 4.1 -6 569 No stop 17 43 55 --- 16 28 05 68.6 187.2 0.2 5.6 174 615 17 40 56 17 43 55 J1619+2247 16 28 05 69.2 185.2 0.1 4.1 -6 615 No stop 17 44 55 --- 16 29 05 69.2 185.9 0.2 4.6 54 631 17 43 56 17 44 55 AT2018 16 29 05 68.6 187.8 0.2 6.1 -6 631 No stop 17 46 55 --- 16 31 06 68.5 189.0 0.2 7.1 114 662 17 44 56 17 46 55 VLA2 16 31 06 68.6 188.6 0.2 6.8 -4 662 No stop 17 47 55 --- 16 32 06 68.6 189.3 0.2 7.3 56 677 17 46 56 17 48 30 J1619+2247 16 32 41 69.1 188.2 0.2 6.4 30 677 17 48 30 17 49 30 --- 16 33 41 69.1 188.8 0.2 6.9 60 692 17 48 31 17 49 30 AT2018 16 33 41 68.5 190.7 0.3 8.3 -6 692 No stop 17 52 30 --- 16 36 42 68.4 192.5 0.3 9.8 174 738 17 49 31 Schedule for URUMQI (Code Ur ) Page 4 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 17 52 30 J1619+2247 16 36 42 69.0 190.7 0.3 8.4 -6 738 No stop 17 53 30 --- 16 37 42 69.0 191.4 0.3 8.9 54 754 17 52 31 17 53 30 AT2018 16 37 42 68.3 193.2 0.3 10.3 -6 754 No stop 17 56 30 --- 16 40 42 68.2 195.0 0.4 11.7 174 800 17 53 31 17 56 30 J1619+2247 16 40 42 68.8 193.3 0.3 10.4 -6 800 No stop 17 57 30 --- 16 41 42 68.8 193.9 0.4 10.9 54 815 17 56 31 17 58 05 VLA1 16 42 17 68.1 196.2 0.4 12.6 29 815 17 58 05 18 00 05 --- 16 44 18 68.0 197.4 0.5 13.5 120 846 17 58 06 18 00 05 J1619+2247 16 44 18 68.7 195.5 0.4 12.2 -6 846 No stop 18 01 05 --- 16 45 18 68.6 196.1 0.4 12.6 54 862 18 00 06 18 01 05 AT2018 16 45 18 67.9 197.8 0.5 13.8 -6 862 No stop 18 04 05 --- 16 48 18 67.8 199.6 0.5 15.2 174 908 18 01 06 18 04 05 J1619+2247 16 48 18 68.5 198.0 0.5 14.1 -6 908 No stop 18 05 05 --- 16 49 19 68.4 198.6 0.5 14.5 54 923 18 04 06 18 05 05 AT2018 16 49 19 67.7 200.2 0.5 15.7 -6 923 No stop 18 07 05 --- 16 51 19 67.6 201.3 0.6 16.6 114 954 18 05 06 18 07 05 VLA2 16 51 19 67.7 201.0 0.6 16.3 -4 954 No stop 18 08 05 --- 16 52 19 67.6 201.6 0.6 16.7 56 969 18 07 06 18 08 40 J1619+2247 16 52 54 68.2 200.8 0.5 16.2 30 969 18 08 40 18 09 40 --- 16 53 54 68.1 201.3 0.6 16.6 60 985 18 08 41 18 09 40 AT2018 16 53 54 67.4 202.8 0.6 17.7 -5 985 No stop 18 12 40 --- 16 56 55 67.2 204.5 0.7 19.0 175 1031 18 09 41 18 12 40 J1619+2247 16 56 55 67.9 203.1 0.6 18.0 -5 1031 No stop 18 13 40 --- 16 57 55 67.9 203.7 0.6 18.4 55 1046 18 12 41 18 13 40 AT2018 16 57 55 67.1 205.1 0.7 19.4 -5 1046 No stop 18 16 40 --- 17 00 56 66.9 206.8 0.7 20.7 175 1092 18 13 41 18 16 40 J1619+2247 17 00 56 67.6 205.4 0.7 19.8 -5 1092 No stop 18 17 40 --- 17 01 56 67.5 206.0 0.7 20.2 55 1108 18 16 41 18 18 15 VLA1 17 02 31 66.7 207.8 0.8 21.5 29 1108 18 18 15 18 20 15 --- 17 04 31 66.5 208.9 0.8 22.3 120 1138 18 18 16 Schedule for URUMQI (Code Ur ) Page 5 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 18 20 15 J1619+2247 17 04 31 67.3 207.5 0.7 21.3 -5 1138 No stop 18 21 15 --- 17 05 31 67.3 208.0 0.8 21.7 55 1154 18 20 16 18 21 15 AT2018 17 05 31 66.5 209.3 0.8 22.5 -5 1154 No stop 18 24 15 --- 17 08 32 66.2 210.9 0.9 23.7 175 1200 18 21 16 18 24 15 J1619+2247 17 08 32 67.0 209.7 0.8 22.9 -5 1200 No stop 18 25 15 --- 17 09 32 66.9 210.2 0.8 23.3 55 1215 18 24 16 18 25 15 AT2018 17 09 32 66.1 211.4 0.9 24.1 -5 1215 No stop 18 27 15 --- 17 11 32 65.9 212.4 0.9 24.9 115 1246 18 25 16 18 27 15 VLA2 17 11 32 66.0 212.1 0.9 24.7 -4 1246 No stop 18 28 15 --- 17 12 32 65.9 212.6 0.9 25.0 56 1262 18 27 16 18 28 50 J1619+2247 17 13 08 66.6 212.1 0.9 24.7 30 1262 18 28 50 18 29 50 --- 17 14 08 66.5 212.6 0.9 25.1 60 1277 18 28 51 18 29 50 AT2018 17 14 08 65.7 213.8 1.0 25.8 -5 1277 No stop 18 32 50 --- 17 17 08 65.4 215.3 1.0 26.9 175 1323 18 29 51 18 32 50 J1619+2247 17 17 08 66.2 214.2 1.0 26.3 -5 1323 No stop 18 33 50 --- 17 18 08 66.1 214.7 1.0 26.6 55 1338 18 32 51 18 33 50 AT2018 17 18 08 65.2 215.8 1.0 27.3 -5 1338 No stop 18 36 50 --- 17 21 09 64.9 217.2 1.1 28.3 175 1385 18 33 51 18 36 50 J1619+2247 17 21 09 65.7 216.2 1.0 27.7 -5 1385 No stop 18 37 50 --- 17 22 09 65.6 216.7 1.0 28.1 55 1400 18 36 51 18 38 25 VLA1 17 22 44 64.7 218.1 1.1 28.9 30 1400 18 38 25 18 40 25 --- 17 24 44 64.5 219.1 1.1 29.6 120 1431 18 38 26 18 40 25 J1619+2247 17 24 44 65.3 218.0 1.1 29.0 -5 1431 No stop 18 41 25 --- 17 25 45 65.2 218.5 1.1 29.3 55 1446 18 40 26 18 41 25 AT2018 17 25 45 64.4 219.4 1.1 29.8 -5 1446 No stop 18 44 25 --- 17 28 45 64.1 220.8 1.2 30.8 175 1492 18 41 26 18 44 25 J1619+2247 17 28 45 64.9 219.9 1.1 30.3 -5 1492 No stop 18 45 25 --- 17 29 45 64.8 220.4 1.2 30.6 55 1508 18 44 26 18 45 25 AT2018 17 29 45 63.9 221.2 1.2 31.1 -5 1508 No stop 18 47 25 --- 17 31 46 63.7 222.1 1.2 31.7 115 1538 18 45 26 Schedule for URUMQI (Code Ur ) Page 6 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 18 47 25 VLA2 17 31 46 63.8 221.9 1.2 31.6 -3 1538 No stop 18 48 25 --- 17 32 46 63.7 222.3 1.3 31.9 57 1554 18 47 26 18 49 00 J1619+2247 17 33 21 64.3 222.0 1.2 31.8 31 1554 18 49 00 18 50 00 --- 17 34 21 64.2 222.5 1.2 32.1 60 1569 18 49 01 18 50 00 AT2018 17 34 21 63.4 223.3 1.3 32.5 -5 1569 No stop 18 53 00 --- 17 37 21 63.0 224.6 1.3 33.4 175 1615 18 50 01 18 53 00 J1619+2247 17 37 21 63.9 223.8 1.3 33.0 -5 1615 No stop 18 54 00 --- 17 38 22 63.7 224.2 1.3 33.3 55 1631 18 53 01 18 54 00 AT2018 17 38 22 62.9 225.0 1.4 33.7 -5 1631 No stop 18 57 00 --- 17 41 22 62.5 226.2 1.4 34.5 175 1677 18 54 01 18 57 00 J1619+2247 17 41 22 63.3 225.5 1.4 34.2 -5 1677 No stop 18 58 00 --- 17 42 22 63.2 226.0 1.4 34.5 55 1692 18 57 01 18 58 35 VLA1 17 42 57 62.2 227.0 1.4 35.0 30 1692 18 58 35 19 00 35 --- 17 44 58 62.0 227.8 1.5 35.5 120 1723 18 58 36 19 00 35 J1619+2247 17 44 58 62.9 227.0 1.4 35.2 -5 1723 No stop 19 01 35 --- 17 45 58 62.7 227.5 1.4 35.4 55 1738 19 00 36 19 01 35 AT2018 17 45 58 61.9 228.1 1.5 35.7 -5 1738 No stop 19 04 35 --- 17 48 58 61.5 229.3 1.5 36.5 175 1785 19 01 36 19 04 35 J1619+2247 17 48 58 62.3 228.7 1.5 36.2 -5 1785 No stop 19 05 35 --- 17 49 59 62.2 229.1 1.5 36.5 55 1800 19 04 36 19 05 35 AT2018 17 49 59 61.3 229.7 1.6 36.7 -5 1800 No stop 19 07 35 --- 17 51 59 61.0 230.4 1.6 37.2 115 1831 19 05 36 19 07 35 VLA2 17 51 59 61.2 230.2 1.6 37.1 -3 1831 No stop 19 08 35 --- 17 52 59 61.0 230.6 1.6 37.3 57 1846 19 07 36 19 09 10 J1619+2247 17 53 34 61.7 230.5 1.6 37.4 31 1846 19 09 10 19 10 10 --- 17 54 34 61.6 230.9 1.6 37.6 60 1862 19 09 11 19 10 10 AT2018 17 54 34 60.7 231.4 1.6 37.8 -5 1862 No stop 19 13 10 --- 17 57 35 60.2 232.5 1.7 38.5 175 1908 19 10 11 19 13 10 J1619+2247 17 57 35 61.1 232.0 1.6 38.3 -5 1908 No stop 19 14 10 --- 17 58 35 61.0 232.4 1.6 38.6 55 1923 19 13 11 Schedule for URUMQI (Code Ur ) Page 7 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 19 14 10 AT2018 17 58 35 60.1 232.9 1.7 38.7 -5 1923 No stop 19 17 10 --- 18 01 35 59.7 234.0 1.7 39.3 175 1969 19 14 11 19 17 10 J1619+2247 18 01 35 60.5 233.5 1.7 39.2 -5 1969 No stop 19 18 10 --- 18 02 36 60.4 233.9 1.7 39.5 55 1985 19 17 11 19 18 45 VLA1 18 03 11 59.4 234.7 1.8 39.8 30 1985 19 18 45 19 20 45 --- 18 05 11 59.1 235.3 1.8 40.2 120 2015 19 18 46 19 20 45 J1619+2247 18 05 11 60.0 234.8 1.8 40.0 -5 2015 No stop 19 21 45 --- 18 06 11 59.9 235.1 1.8 40.2 55 2031 19 20 46 19 21 45 AT2018 18 06 11 59.0 235.6 1.8 40.3 -5 2031 No stop 19 24 45 --- 18 09 12 58.5 236.6 1.9 40.9 175 2077 19 21 46 19 24 45 J1619+2247 18 09 12 59.4 236.2 1.8 40.8 -5 2077 No stop 19 25 45 --- 18 10 12 59.3 236.5 1.8 41.0 55 2092 19 24 46 19 25 45 AT2018 18 10 12 58.4 236.9 1.9 41.1 -5 2092 No stop 19 27 45 --- 18 12 12 58.1 237.6 1.9 41.4 115 2123 19 25 46 19 27 45 VLA2 18 12 12 58.2 237.4 1.9 41.4 -3 2123 No stop 19 28 45 --- 18 13 12 58.1 237.8 1.9 41.6 57 2138 19 27 46 19 29 20 J1619+2247 18 13 47 58.7 237.7 1.9 41.7 31 2138 19 29 20 19 30 20 --- 18 14 48 58.6 238.1 1.9 41.9 60 2154 19 29 21 19 30 20 AT2018 18 14 48 57.7 238.4 2.0 41.9 -5 2154 No stop 19 33 20 --- 18 17 48 57.2 239.4 2.0 42.4 175 2200 19 30 21 19 33 20 J1619+2247 18 17 48 58.1 239.0 2.0 42.4 -5 2200 No stop 19 34 20 --- 18 18 48 57.9 239.4 2.0 42.6 55 2215 19 33 21 19 34 20 AT2018 18 18 48 57.0 239.7 2.0 42.6 -5 2215 No stop 19 37 20 --- 18 21 49 56.6 240.6 2.1 43.1 175 2262 19 34 21 19 37 20 J1619+2247 18 21 49 57.5 240.3 2.0 43.1 -5 2262 No stop 19 38 20 --- 18 22 49 57.3 240.6 2.0 43.3 55 2277 19 37 21 19 38 55 VLA1 18 23 24 56.3 241.2 2.1 43.4 30 2277 19 38 55 19 40 55 --- 18 25 24 56.0 241.8 2.1 43.7 120 2308 19 38 56 19 40 55 J1619+2247 18 25 24 56.9 241.4 2.1 43.7 -5 2308 No stop 19 41 55 --- 18 26 25 56.7 241.7 2.1 43.9 55 2323 19 40 56 Schedule for URUMQI (Code Ur ) Page 8 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 19 41 55 AT2018 18 26 25 55.8 242.0 2.2 43.8 -5 2323 No stop 19 44 55 --- 18 29 25 55.4 242.9 2.2 44.3 175 2369 19 41 56 19 44 55 J1619+2247 18 29 25 56.3 242.6 2.2 44.3 -5 2369 No stop 19 45 55 --- 18 30 25 56.1 242.9 2.2 44.5 55 2385 19 44 56 19 45 55 AT2018 18 30 25 55.2 243.2 2.2 44.4 -5 2385 No stop 19 47 55 --- 18 32 26 54.9 243.8 2.3 44.7 115 2415 19 45 56 19 47 55 VLA2 18 32 26 55.0 243.6 2.2 44.6 -3 2415 No stop 19 48 55 --- 18 33 26 54.9 243.9 2.3 44.8 57 2431 19 47 56 19 49 30 J1619+2247 18 34 01 55.5 244.0 2.2 45.0 30 2431 19 49 30 19 50 30 --- 18 35 01 55.4 244.3 2.2 45.1 60 2446 19 49 31 19 50 30 AT2018 18 35 01 54.4 244.5 2.3 45.0 -5 2446 No stop 19 53 30 --- 18 38 01 54.0 245.4 2.4 45.4 175 2492 19 50 31 19 53 30 J1619+2247 18 38 01 54.9 245.1 2.3 45.5 -5 2492 No stop 19 54 30 --- 18 39 02 54.7 245.4 2.3 45.7 55 2508 19 53 31 19 54 30 AT2018 18 39 02 53.8 245.6 2.4 45.6 -5 2508 No stop 19 57 30 --- 18 42 02 53.3 246.4 2.4 45.9 175 2554 19 54 31 19 57 30 J1619+2247 18 42 02 54.2 246.2 2.4 46.1 -5 2554 No stop 19 58 30 --- 18 43 02 54.0 246.5 2.4 46.2 55 2569 19 57 31 19 59 05 VLA1 18 43 37 53.0 247.0 2.5 46.2 30 2569 19 59 05 20 01 05 --- 18 45 38 52.6 247.5 2.5 46.4 120 2600 19 59 06 20 01 05 J1619+2247 18 45 38 53.6 247.2 2.4 46.5 -5 2600 No stop 20 02 05 --- 18 46 38 53.4 247.5 2.4 46.6 55 2615 20 01 06 20 02 05 AT2018 18 46 38 52.5 247.7 2.5 46.5 -5 2615 No stop 20 05 05 --- 18 49 38 52.0 248.5 2.5 46.8 175 2662 20 02 06 20 05 05 J1619+2247 18 49 38 52.9 248.2 2.5 47.0 -5 2662 No stop 20 06 05 --- 18 50 38 52.8 248.5 2.5 47.1 55 2677 20 05 06 20 06 05 AT2018 18 50 38 51.8 248.7 2.6 46.9 -5 2677 No stop 20 08 05 --- 18 52 39 51.5 249.2 2.6 47.1 115 2708 20 06 06 20 08 05 VLA2 18 52 39 51.7 249.1 2.6 47.1 -3 2708 No stop 20 09 05 --- 18 53 39 51.5 249.4 2.6 47.2 57 2723 20 08 06 Schedule for URUMQI (Code Ur ) Page 9 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 20 09 40 J1619+2247 18 54 14 52.1 249.4 2.6 47.5 30 2723 20 09 40 20 10 40 --- 18 55 14 52.0 249.7 2.6 47.6 60 2738 20 09 41 20 10 40 AT2018 18 55 14 51.1 249.9 2.6 47.4 -5 2738 No stop 20 13 40 --- 18 58 15 50.6 250.6 2.7 47.7 175 2785 20 10 41 20 13 40 J1619+2247 18 58 15 51.5 250.4 2.6 47.9 -5 2785 No stop 20 14 40 --- 18 59 15 51.3 250.7 2.7 48.0 55 2800 20 13 41 20 14 40 AT2018 18 59 15 50.4 250.9 2.7 47.8 -5 2800 No stop 20 17 40 --- 19 02 15 49.9 251.6 2.8 48.1 175 2846 20 14 41 20 17 40 J1619+2247 19 02 15 50.8 251.4 2.7 48.2 -5 2846 No stop 20 18 40 --- 19 03 16 50.6 251.7 2.7 48.3 55 2862 20 17 41 20 19 15 VLA1 19 03 51 49.5 252.0 2.8 48.2 30 2862 20 19 15 20 21 15 --- 19 05 51 49.2 252.5 2.8 48.4 120 2892 20 19 16 20 21 15 J1619+2247 19 05 51 50.2 252.3 2.8 48.6 -5 2892 No stop 20 22 15 --- 19 06 51 50.0 252.5 2.8 48.6 55 2908 20 21 16 20 22 15 AT2018 19 06 51 49.1 252.7 2.8 48.5 -5 2908 No stop 20 25 15 --- 19 09 52 48.5 253.4 2.9 48.7 175 2954 20 22 16 20 25 15 J1619+2247 19 09 52 49.5 253.2 2.8 48.9 -5 2954 No stop 20 26 15 --- 19 10 52 49.3 253.5 2.8 49.0 55 2969 20 25 16 20 26 15 AT2018 19 10 52 48.4 253.6 2.9 48.8 -5 2969 No stop 20 28 15 --- 19 12 52 48.0 254.1 2.9 48.9 115 3000 20 26 16 20 28 15 VLA2 19 12 52 48.2 254.0 2.9 48.9 -3 3000 No stop 20 29 15 --- 19 13 52 48.0 254.2 2.9 49.0 57 3015 20 28 16 20 29 50 J1619+2247 19 14 27 48.7 254.3 2.9 49.2 30 3015 20 29 50 20 30 50 --- 19 15 28 48.5 254.5 2.9 49.3 60 3031 20 29 51 20 30 50 AT2018 19 15 28 47.6 254.6 3.0 49.1 -5 3031 No stop 20 33 50 --- 19 18 28 47.0 255.3 3.0 49.3 175 3077 20 30 51 20 33 50 J1619+2247 19 18 28 48.0 255.2 3.0 49.5 -5 3077 No stop 20 34 50 --- 19 19 28 47.8 255.4 3.0 49.6 55 3092 20 33 51 20 34 50 AT2018 19 19 28 46.9 255.5 3.0 49.4 -5 3092 No stop 20 37 50 --- 19 22 29 46.3 256.2 3.1 49.6 175 3138 20 34 51 Schedule for URUMQI (Code Ur ) Page 10 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 20 37 50 J1619+2247 19 22 29 47.3 256.1 3.0 49.8 -5 3138 No stop 20 38 50 --- 19 23 29 47.1 256.3 3.1 49.9 55 3154 20 37 51 20 39 25 VLA1 19 24 04 46.0 256.6 3.1 49.7 30 3154 20 39 25 20 41 25 --- 19 26 04 45.7 257.0 3.2 49.8 120 3185 20 39 26 20 41 25 J1619+2247 19 26 04 46.6 256.9 3.1 50.0 -5 3185 No stop 20 42 25 --- 19 27 04 46.4 257.1 3.1 50.1 55 3200 20 41 26 20 42 25 AT2018 19 27 04 45.5 257.2 3.2 49.9 -5 3200 No stop 20 45 25 --- 19 30 05 45.0 257.8 3.2 50.0 175 3246 20 42 26 20 45 25 J1619+2247 19 30 05 45.9 257.7 3.2 50.3 -5 3246 No stop 20 46 25 --- 19 31 05 45.7 257.9 3.2 50.3 55 3262 20 45 26 20 46 25 AT2018 19 31 05 44.8 258.0 3.2 50.1 -5 3262 No stop 20 48 25 --- 19 33 05 44.5 258.5 3.3 50.2 115 3292 20 46 26 20 48 25 VLA2 19 33 05 44.6 258.4 3.3 50.2 -3 3292 No stop 20 49 25 --- 19 34 06 44.4 258.6 3.3 50.2 57 3308 20 48 26 20 50 00 J1619+2247 19 34 41 45.1 258.7 3.2 50.5 30 3308 20 50 00 20 51 00 --- 19 35 41 44.9 258.9 3.3 50.6 60 3323 20 50 01 20 51 00 AT2018 19 35 41 44.0 259.0 3.3 50.3 -5 3323 No stop 20 54 00 --- 19 38 41 43.5 259.6 3.4 50.5 175 3369 20 51 01 20 54 00 J1619+2247 19 38 41 44.4 259.5 3.3 50.7 -5 3369 No stop 20 55 00 --- 19 39 42 44.2 259.7 3.3 50.7 55 3385 20 54 01 20 55 00 AT2018 19 39 42 43.3 259.8 3.4 50.5 -5 3385 No stop 20 58 00 --- 19 42 42 42.7 260.4 3.4 50.6 175 3431 20 55 01 20 58 00 J1619+2247 19 42 42 43.7 260.3 3.4 50.9 -5 3431 No stop 20 59 00 --- 19 43 42 43.5 260.5 3.4 50.9 55 3446 20 58 01 20 59 35 VLA1 19 44 17 42.4 260.8 3.5 50.7 30 3446 20 59 35 21 01 35 --- 19 46 18 42.1 261.2 3.5 50.8 120 3477 20 59 36 21 01 35 J1619+2247 19 46 18 43.0 261.0 3.4 51.0 -5 3477 No stop 21 02 35 --- 19 47 18 42.8 261.2 3.5 51.1 55 3492 21 01 36 21 02 35 AT2018 19 47 18 41.9 261.3 3.5 50.8 -5 3492 No stop 21 05 35 --- 19 50 18 41.4 261.9 3.6 50.9 175 3538 21 02 36 Schedule for URUMQI (Code Ur ) Page 11 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 21 05 35 J1619+2247 19 50 18 42.3 261.8 3.5 51.2 -5 3538 No stop 21 06 35 --- 19 51 18 42.1 262.0 3.5 51.2 55 3554 21 05 36 21 06 35 AT2018 19 51 18 41.2 262.1 3.6 50.9 -5 3554 No stop 21 08 35 --- 19 53 19 40.8 262.5 3.6 51.0 115 3585 21 06 36 21 08 35 VLA2 19 53 19 41.0 262.4 3.6 51.0 -3 3585 No stop 21 09 35 --- 19 54 19 40.8 262.6 3.6 51.0 57 3600 21 08 36 21 10 10 J1619+2247 19 54 54 41.5 262.7 3.6 51.3 30 3600 21 10 10 21 11 10 --- 19 55 54 41.3 262.9 3.6 51.3 60 3615 21 10 11 ---------- Ef is out for a pointing check ---------- 21 11 10 AT2018 19 55 54 40.4 263.0 3.7 51.1 -5 3615 No stop 21 14 10 --- 19 58 55 39.8 263.6 3.7 51.2 175 3662 21 11 11 21 14 10 J1619+2247 19 58 55 40.7 263.5 3.6 51.4 -5 3662 No stop 21 15 10 --- 19 59 55 40.6 263.7 3.7 51.5 55 3677 21 14 11 21 15 10 AT2018 19 59 55 39.7 263.7 3.7 51.2 -5 3677 No stop 21 18 10 --- 20 02 55 39.1 264.3 3.8 51.3 175 3723 21 15 11 21 18 10 J1619+2247 20 02 55 40.0 264.2 3.7 51.5 -5 3723 No stop 21 19 10 --- 20 03 55 39.8 264.4 3.7 51.6 55 3738 21 18 11 ---------- Ef is in ---------- 21 19 45 VLA1 20 04 31 38.8 264.7 3.8 51.3 30 3738 21 19 45 21 21 45 --- 20 06 31 38.4 265.0 3.8 51.4 120 3769 21 19 46 21 21 45 J1619+2247 20 06 31 39.4 264.9 3.8 51.6 -5 3769 No stop 21 22 45 --- 20 07 31 39.2 265.1 3.8 51.6 55 3785 21 21 46 21 22 45 AT2018 20 07 31 38.3 265.2 3.8 51.4 -5 3785 No stop 21 25 45 --- 20 10 32 37.7 265.7 3.9 51.4 175 3831 21 22 46 21 25 45 J1619+2247 20 10 32 38.7 265.7 3.8 51.7 -5 3831 No stop 21 26 45 --- 20 11 32 38.5 265.8 3.9 51.7 55 3846 21 25 46 21 26 45 AT2018 20 11 32 37.6 265.9 3.9 51.4 -5 3846 No stop 21 28 45 --- 20 13 32 37.2 266.3 3.9 51.5 115 3877 21 26 46 21 28 45 VLA2 20 13 32 37.3 266.2 3.9 51.5 -3 3877 No stop 21 29 45 --- 20 14 32 37.2 266.4 4.0 51.5 57 3892 21 28 46 Schedule for URUMQI (Code Ur ) Page 12 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 21 30 20 J1619+2247 20 15 07 37.8 266.5 3.9 51.8 30 3892 21 30 20 21 31 20 --- 20 16 07 37.6 266.7 3.9 51.8 60 3908 21 30 21 21 33 20 J1642+3948 20 18 08 50.4 283.7 3.6 66.6 91 3908 21 33 20 21 35 50 =3C345 20 20 38 50.0 284.0 3.6 66.4 150 3946 21 33 21 ---------- Main phase-referencing calibrator ---------- 21 37 20 J1619+2247 20 22 08 36.5 267.7 4.0 51.8 60 3946 21 37 20 21 38 50 --- 20 23 39 36.3 268.0 4.1 51.9 90 3969 21 37 21 21 38 50 AT2018 20 23 39 35.4 268.1 4.1 51.6 -5 3969 No stop 21 41 50 --- 20 26 39 34.8 268.6 4.2 51.6 175 4015 21 38 51 21 41 50 J1619+2247 20 26 39 35.7 268.5 4.1 51.9 -5 4015 No stop 21 42 50 --- 20 27 39 35.5 268.7 4.1 51.9 55 4031 21 41 51 21 42 50 AT2018 20 27 39 34.6 268.8 4.2 51.6 -5 4031 No stop 21 45 50 --- 20 30 40 34.1 269.3 4.2 51.6 175 4077 21 42 51 21 45 50 J1619+2247 20 30 40 35.0 269.2 4.2 51.9 -5 4077 No stop 21 46 50 --- 20 31 40 34.8 269.4 4.2 51.9 55 4092 21 45 51 21 47 25 VLA1 20 32 15 33.7 269.6 4.3 51.6 30 4092 21 47 25 21 49 25 --- 20 34 15 33.4 270.0 4.3 51.6 120 4123 21 47 26 21 49 25 J1619+2247 20 34 15 34.4 269.9 4.2 51.9 -5 4123 No stop 21 50 25 --- 20 35 16 34.2 270.0 4.3 51.9 55 4138 21 49 26 21 50 25 AT2018 20 35 16 33.3 270.1 4.3 51.6 -5 4138 No stop 21 53 25 --- 20 38 16 32.7 270.6 4.4 51.6 175 4185 21 50 26 21 53 25 J1619+2247 20 38 16 33.6 270.5 4.3 51.9 -5 4185 No stop 21 54 25 --- 20 39 16 33.4 270.7 4.3 51.9 55 4200 21 53 26 21 54 25 AT2018 20 39 16 32.5 270.8 4.4 51.6 -5 4200 No stop 21 56 25 --- 20 41 17 32.2 271.1 4.4 51.6 115 4231 21 54 26 21 56 25 VLA2 20 41 17 32.3 271.0 4.4 51.6 -3 4231 No stop 21 57 25 --- 20 42 17 32.1 271.2 4.4 51.6 57 4246 21 56 26 21 58 00 J1619+2247 20 42 52 32.8 271.3 4.4 51.9 30 4246 21 58 00 21 59 00 --- 20 43 52 32.6 271.5 4.4 51.9 60 4262 21 58 01 Schedule for URUMQI (Code Ur ) Page 13 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 21 59 00 AT2018 20 43 52 31.7 271.6 4.5 51.6 -5 4262 No stop 22 02 00 --- 20 46 53 31.1 272.1 4.5 51.6 175 4308 21 59 01 22 02 00 J1619+2247 20 46 53 32.1 272.0 4.4 51.9 -5 4308 No stop 22 03 00 --- 20 47 53 31.9 272.2 4.5 51.8 55 4323 22 02 01 22 03 00 AT2018 20 47 53 31.0 272.2 4.5 51.6 -5 4323 No stop 22 06 00 --- 20 50 53 30.4 272.7 4.6 51.5 175 4369 22 03 01 22 06 00 J1619+2247 20 50 53 31.3 272.7 4.5 51.8 -5 4369 No stop 22 07 00 --- 20 51 53 31.2 272.8 4.5 51.8 55 4385 22 06 01 22 07 35 VLA1 20 52 28 30.1 273.1 4.6 51.5 30 4385 22 07 35 22 09 35 --- 20 54 29 29.7 273.4 4.6 51.5 120 4415 22 07 36 22 09 35 J1619+2247 20 54 29 30.7 273.3 4.6 51.8 -5 4415 No stop 22 10 35 --- 20 55 29 30.5 273.4 4.6 51.8 55 4431 22 09 36 22 10 35 AT2018 20 55 29 29.6 273.5 4.6 51.5 -5 4431 No stop 22 13 35 --- 20 58 29 29.0 274.0 4.7 51.4 175 4477 22 10 36 22 13 35 J1619+2247 20 58 29 30.0 273.9 4.6 51.7 -5 4477 No stop 22 14 35 --- 20 59 30 29.8 274.1 4.7 51.7 55 4492 22 13 36 22 14 35 AT2018 20 59 30 28.9 274.2 4.7 51.4 -5 4492 No stop 22 16 35 --- 21 01 30 28.5 274.5 4.7 51.4 115 4523 22 14 36 22 16 35 VLA2 21 01 30 28.6 274.4 4.7 51.4 -3 4523 No stop 22 17 35 --- 21 02 30 28.5 274.6 4.7 51.4 57 4538 22 16 36 22 18 10 J1619+2247 21 03 05 29.1 274.7 4.7 51.7 30 4538 22 18 10 22 19 10 --- 21 04 05 28.9 274.9 4.7 51.6 60 4554 22 18 11 22 19 10 AT2018 21 04 05 28.0 274.9 4.8 51.4 -5 4554 No stop 22 22 10 --- 21 07 06 27.5 275.4 4.8 51.3 175 4600 22 19 11 22 22 10 J1619+2247 21 07 06 28.4 275.3 4.8 51.6 -5 4600 No stop 22 23 10 --- 21 08 06 28.2 275.5 4.8 51.6 55 4615 22 22 11 22 23 10 AT2018 21 08 06 27.3 275.6 4.9 51.3 -5 4615 No stop 22 26 10 --- 21 11 07 26.8 276.1 4.9 51.2 175 4662 22 23 11 22 26 10 J1619+2247 21 11 07 27.7 276.0 4.9 51.5 -5 4662 No stop 22 27 10 --- 21 12 07 27.5 276.2 4.9 51.5 55 4677 22 26 11 Schedule for URUMQI (Code Ur ) Page 14 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 22 27 45 VLA1 21 12 42 26.4 276.4 4.9 51.2 30 4677 22 27 45 22 29 45 --- 21 14 42 26.1 276.7 5.0 51.1 120 4708 22 27 46 22 29 45 J1619+2247 21 14 42 27.0 276.6 4.9 51.4 -5 4708 No stop 22 30 45 --- 21 15 42 26.8 276.7 4.9 51.4 55 4723 22 29 46 22 30 45 AT2018 21 15 42 25.9 276.8 5.0 51.1 -5 4723 No stop 22 33 45 --- 21 18 43 25.4 277.3 5.0 51.0 175 4769 22 30 46 22 33 45 J1619+2247 21 18 43 26.3 277.2 5.0 51.3 -5 4769 No stop 22 34 45 --- 21 19 43 26.1 277.4 5.0 51.3 55 4785 22 33 46 22 34 45 AT2018 21 19 43 25.2 277.5 5.0 51.0 -5 4785 No stop 22 36 45 --- 21 21 43 24.9 277.8 5.1 51.0 115 4815 22 34 46 22 36 45 VLA2 21 21 43 25.0 277.7 5.1 51.0 -3 4815 No stop 22 37 45 --- 21 22 43 24.8 277.9 5.1 51.0 57 4831 22 36 46 22 38 20 J1619+2247 21 23 19 25.5 278.0 5.1 51.2 30 4831 22 38 20 22 39 20 --- 21 24 19 25.3 278.1 5.1 51.2 60 4846 22 38 21 22 39 20 AT2018 21 24 19 24.4 278.2 5.1 50.9 -5 4846 No stop 22 42 20 --- 21 27 19 23.8 278.7 5.2 50.8 175 4892 22 39 21 22 42 20 J1619+2247 21 27 19 24.8 278.6 5.1 51.1 -5 4892 No stop 22 43 20 --- 21 28 19 24.6 278.8 5.1 51.1 55 4908 22 42 21 22 43 20 AT2018 21 28 19 23.7 278.8 5.2 50.8 -5 4908 No stop 22 46 20 --- 21 31 20 23.1 279.3 5.2 50.7 175 4954 22 43 21 22 46 20 J1619+2247 21 31 20 24.0 279.2 5.2 51.0 -5 4954 No stop 22 47 20 --- 21 32 20 23.9 279.4 5.2 50.9 55 4969 22 46 21 22 47 55 VLA1 21 32 55 22.8 279.6 5.3 50.6 30 4969 22 47 55 22 49 55 --- 21 34 55 22.4 279.9 5.3 50.6 120 5000 22 47 56 22 49 55 J1619+2247 21 34 55 23.4 279.8 5.2 50.8 -5 5000 No stop 22 50 55 --- 21 35 56 23.2 280.0 5.3 50.8 55 5015 22 49 56 22 50 55 AT2018 21 35 56 22.3 280.0 5.3 50.5 -5 5015 No stop 22 53 55 --- 21 38 56 21.8 280.5 5.4 50.4 175 5062 22 50 56 22 53 55 J1619+2247 21 38 56 22.7 280.5 5.3 50.7 -5 5062 No stop 22 54 55 --- 21 39 56 22.5 280.6 5.3 50.7 55 5077 22 53 56 Schedule for URUMQI (Code Ur ) Page 15 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 22 54 55 AT2018 21 39 56 21.6 280.7 5.4 50.4 -5 5077 No stop 22 56 55 --- 21 41 57 21.2 281.0 5.4 50.3 115 5108 22 54 56 22 56 55 VLA2 21 41 57 21.4 280.9 5.4 50.4 -3 5108 No stop 22 57 55 --- 21 42 57 21.2 281.1 5.4 50.3 57 5123 22 56 56 22 58 30 J1619+2247 21 43 32 21.9 281.2 5.4 50.5 30 5123 22 58 30 22 59 30 --- 21 44 32 21.7 281.3 5.4 50.5 60 5138 22 58 31 22 59 30 AT2018 21 44 32 20.8 281.4 5.5 50.2 -5 5138 No stop 23 02 30 --- 21 47 32 20.2 281.9 5.5 50.1 175 5185 22 59 31 23 02 30 J1619+2247 21 47 32 21.1 281.8 5.5 50.4 -5 5185 No stop 23 03 30 --- 21 48 33 21.0 282.0 5.5 50.3 55 5200 23 02 31 23 03 30 AT2018 21 48 33 20.1 282.0 5.5 50.1 -5 5200 No stop 23 06 30 --- 21 51 33 19.5 282.5 5.6 49.9 175 5246 23 03 31 23 06 30 J1619+2247 21 51 33 20.4 282.4 5.5 50.2 -5 5246 No stop 23 07 30 --- 21 52 33 20.3 282.6 5.5 50.2 55 5262 23 06 31 23 08 05 VLA1 21 53 08 19.2 282.8 5.6 49.9 30 5262 23 08 05 23 10 05 --- 21 55 09 18.8 283.1 5.6 49.8 120 5292 23 08 06 23 10 05 J1619+2247 21 55 09 19.8 283.0 5.6 50.1 -5 5292 No stop 23 11 05 --- 21 56 09 19.6 283.2 5.6 50.0 55 5308 23 10 06 23 11 05 AT2018 21 56 09 18.7 283.2 5.7 49.7 -5 5308 No stop 23 14 05 --- 21 59 09 18.2 283.7 5.7 49.6 175 5354 23 11 06 23 14 05 J1619+2247 21 59 09 19.1 283.6 5.7 49.9 -5 5354 No stop 23 15 05 --- 22 00 10 18.9 283.8 5.7 49.8 55 5369 23 14 06 23 15 05 AT2018 22 00 10 18.0 283.9 5.7 49.6 -5 5369 No stop 23 17 05 --- 22 02 10 17.7 284.2 5.8 49.5 115 5400 23 15 06 23 17 05 VLA2 22 02 10 17.8 284.1 5.7 49.5 -3 5400 No stop 23 18 05 --- 22 03 10 17.6 284.3 5.8 49.5 57 5415 23 17 06 23 18 40 J1619+2247 22 03 45 18.3 284.4 5.7 49.7 30 5415 23 18 40 23 19 40 --- 22 04 45 18.1 284.5 5.7 49.6 60 5431 23 18 41 23 19 40 AT2018 22 04 45 17.2 284.6 5.8 49.3 -5 5431 No stop 23 22 40 --- 22 07 46 16.7 285.1 5.8 49.2 175 5477 23 19 41 Schedule for URUMQI (Code Ur ) Page 16 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 23 22 40 J1619+2247 22 07 46 17.6 285.0 5.8 49.5 -5 5477 No stop 23 23 40 --- 22 08 46 17.4 285.1 5.8 49.4 55 5492 23 22 41 23 23 40 AT2018 22 08 46 16.5 285.2 5.9 49.1 -5 5492 No stop 23 26 40 --- 22 11 46 16.0 285.7 5.9 49.0 175 5538 23 23 41 23 26 40 J1619+2247 22 11 46 16.9 285.6 5.9 49.3 -5 5538 No stop 23 27 40 --- 22 12 47 16.7 285.8 5.9 49.2 55 5554 23 26 41 23 28 15 VLA1 22 13 22 15.6 286.0 5.9 48.9 30 5554 23 28 15 23 30 15 --- 22 15 22 15.3 286.3 6.0 48.8 120 5585 23 28 16 23 30 15 J1619+2247 22 15 22 16.3 286.2 5.9 49.1 -5 5585 No stop 23 31 15 --- 22 16 22 16.1 286.3 5.9 49.0 55 5600 23 30 16 23 31 15 AT2018 22 16 22 15.2 286.4 6.0 48.8 -5 5600 No stop 23 34 15 --- 22 19 23 14.6 286.9 6.0 48.6 175 5646 23 31 16 23 34 15 J1619+2247 22 19 23 15.6 286.8 6.0 48.9 -5 5646 No stop 23 35 15 --- 22 20 23 15.4 287.0 6.0 48.8 55 5662 23 34 16 23 35 15 AT2018 22 20 23 14.5 287.1 6.1 48.5 -5 5662 No stop 23 37 15 --- 22 22 23 14.1 287.4 6.1 48.4 115 5692 23 35 16 23 37 15 VLA2 22 22 23 14.3 287.3 6.1 48.5 -3 5692 No stop 23 38 15 --- 22 23 23 14.1 287.5 6.1 48.4 57 5708 23 37 16 23 38 50 J1619+2247 22 23 58 14.8 287.5 6.1 48.6 30 5708 23 38 50 23 39 50 --- 22 24 59 14.6 287.7 6.1 48.6 60 5723 23 38 51 23 39 50 AT2018 22 24 59 13.7 287.8 6.1 48.3 -5 5723 No stop 23 42 50 --- 22 27 59 13.2 288.3 6.2 48.1 175 5769 23 39 51 23 42 50 J1619+2247 22 27 59 14.1 288.2 6.1 48.4 -5 5769 No stop 23 43 50 --- 22 28 59 13.9 288.3 6.1 48.3 55 5785 23 42 51 23 43 50 AT2018 22 28 59 13.0 288.4 6.2 48.0 -5 5785 No stop 23 46 50 --- 22 32 00 12.5 288.9 6.3 47.9 175 5831 23 43 51 23 46 50 J1619+2247 22 32 00 13.4 288.8 6.2 48.2 -5 5831 No stop 23 47 50 --- 22 33 00 13.2 289.0 6.2 48.1 55 5846 23 46 51 23 48 25 VLA1 22 33 35 12.1 289.2 6.3 47.8 30 5846 23 48 25 23 50 25 --- 22 35 35 11.8 289.5 6.3 47.6 120 5877 23 48 26 Schedule for URUMQI (Code Ur ) Page 17 Revealing the radio structure in AT2018cow 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 5 Jun 2019 Day 156 --- 23 50 25 J1619+2247 22 35 35 12.8 289.4 6.3 47.9 -5 5877 No stop 23 51 25 --- 22 36 36 12.6 289.5 6.3 47.9 55 5892 23 50 26 23 51 25 AT2018 22 36 36 11.7 289.6 6.3 47.6 -5 5892 No stop 23 54 25 --- 22 39 36 11.2 290.1 6.4 47.4 175 5938 23 51 26 23 54 25 J1619+2247 22 39 36 12.1 290.0 6.3 47.7 -5 5938 No stop 23 55 25 --- 22 40 36 11.9 290.2 6.3 47.6 55 5954 23 54 26 23 55 25 AT2018 22 40 36 11.0 290.3 6.4 47.3 -5 5954 No stop 23 57 25 --- 22 42 36 10.7 290.6 6.4 47.2 115 5985 23 55 26 23 57 25 VLA2 22 42 36 10.8 290.5 6.4 47.3 -3 5985 No stop 23 58 25 --- 22 43 37 10.6 290.7 6.4 47.2 57 6000 23 57 26 23 59 00 J1619+2247 22 44 12 11.3 290.7 6.4 47.4 30 6000 23 59 00 23 59 59 --- 22 45 12 11.1 290.9 6.4 47.3 59 6015 23 59 01 --- Thu 6 Jun 2019 Day 157 --- 00 00 00 AT2018 22 45 12 10.2 291.0 6.5 47.0 -5 6015 No stop 00 03 00 --- 22 48 12 9.7 291.5 6.5 46.8 175 6062 00 00 00 00 03 00 J1619+2247 22 48 12 10.6 291.4 6.5 47.1 -5 6062 No stop 00 04 00 --- 22 49 13 10.4 291.5 6.5 47.1 55 6077 00 03 01 00 04 00 AT2018 22 49 13 9.5 291.7 6.5 46.8 -5 6077 No stop 00 07 00 --- 22 52 13 9.0 292.2 6.6 46.6 175 6123 00 04 01 00 07 00 J1619+2247 22 52 13 9.9 292.0 6.5 46.8 -5 6123 No stop 00 08 00 --- 22 53 13 9.8 292.2 6.6 46.8 55 6138 00 07 01 00 08 35 VLA1 22 53 48 8.7 292.5 6.6 46.4 30 6138 00 08 35 00 10 35 --- 22 55 49 8.4 292.8 6.7 46.3 120 6169 00 08 36 00 10 35 J1619+2247 22 55 49 9.3 292.6 6.6 46.6 -5 6169 No stop 00 11 35 --- 22 56 49 9.2 292.8 6.6 46.5 55 6185 00 10 36 00 11 35 AT2018 22 56 49 8.3 292.9 6.7 46.2 -5 6185 No stop 00 14 35 --- 22 59 49 7.8 293.4 6.7 46.0 175 6231 00 11 36 00 14 35 J1619+2247 22 59 49 8.7 293.2 6.7 46.3 -5 6231 No stop 00 15 35 --- 23 00 49 8.5 293.4 6.7 46.2 55 6246 00 14 36 Schedule for URUMQI (Code Ur ) Page 18 Revealing the radio structure in AT2018cow 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 6 Jun 2019 Day 157 --- 00 15 35 AT2018 23 00 49 7.6 293.5 6.7 45.9 -5 6246 No stop 00 17 35 --- 23 02 50 7.3 293.9 6.8 45.8 115 6277 00 15 36 00 17 35 VLA2 23 02 50 7.4 293.8 6.8 45.9 -3 6277 No stop 00 18 35 --- 23 03 50 7.2 294.0 6.8 45.8 57 6292 00 17 36 00 19 10 J1619+2247 23 04 25 7.9 294.0 6.7 46.0 30 6292 00 19 10 00 20 10 --- 23 05 25 7.7 294.1 6.8 45.9 60 6308 00 19 11 00 20 10 AT2018 23 05 25 6.8 294.3 6.8 45.6 -5 6308 No stop 00 23 10 --- 23 08 26 6.3 294.8 6.9 45.4 175 6354 00 20 11 00 23 10 J1619+2247 23 08 26 7.2 294.6 6.8 45.7 -5 6354 No stop 00 24 10 --- 23 09 26 7.1 294.8 6.8 45.6 55 6369 00 23 11 00 24 10 AT2018 23 09 26 6.2 294.9 6.9 45.3 -5 6369 No stop 00 27 10 --- 23 12 26 5.7 295.4 6.9 45.1 175 6415 00 24 11 00 27 10 J1619+2247 23 12 26 6.6 295.3 6.9 45.4 -5 6415 No stop 00 28 10 --- 23 13 27 6.4 295.5 6.9 45.3 55 6431 00 27 11 00 28 45 VLA1 23 14 02 5.4 295.8 7.0 44.9 30 6431 00 28 45 00 30 45 --- 23 16 02 5.0 296.1 7.0 44.8 120 6462 00 28 46 00 30 45 J1619+2247 23 16 02 6.0 295.9 6.9 45.1 -5 6462 No stop 00 31 45 --- 23 17 02 5.8 296.0 6.9 45.0 55 6477 00 30 46 00 34 45 J1619+2247 23 20 03 5.3 296.5 7.0 44.8 178 6477 00 34 45 00 35 45 --- 23 21 03 5.2 296.7 7.0 44.7 60 6492 00 34 46 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess219.C2048 --- 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: 14 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: 7 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 210.49 210.49 210.49 210.49 274.49 274.49 274.49 274.49 338.49 338.49 338.49 338.49 402.49 402.49 402.49 402.49 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: 7 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) * AT2018 16 13 51.046576 * 16 16 00.224400 16 16 50.911776 0.00 22 23 28.30125 * 22 16 04.89000 22 13 20.50404 0.00 From catalog imbedded in main SCHED input file. * VLA1 16 13 32.504723 * 16 15 41.690800 16 16 32.380875 0.00 22 23 52.84715 * 22 16 28.22500 22 13 43.38381 0.00 From catalog imbedded in main SCHED input file. * VLA2 16 14 31.729582 * 16 16 40.813800 16 17 31.466873 0.00 22 26 17.16485 * 22 18 56.41100 22 16 13.02748 0.00 From catalog imbedded in main SCHED input file. * J1619+2247 16 17 06.466942 * 16 19 14.824599 16 20 05.207943 0.00 22 54 58.47384 * 22 47 47.85108 22 45 08.30344 0.00 From catalog imbedded in main SCHED input file. 3C345 16 41 17.606229 * 16 42 58.809967 16 43 39.111339 0.79 * J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 34.08536 0.59 1641+399 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 observations. 1749+096 17 49 10.387930 * 17 51 32.818574 17 52 28.505154 0.00 * J1751+0939 09 39 42.82586 * 09 39 00.72841 09 38 48.07558 0.00 J1751+09 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 192391 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 AT2018 sess219.C2048 1 2 3 4 5 6 7 8 9 10 14 15 + 6.324 534.478 VLA1 sess219.C2048 1 2 3 4 5 6 7 8 9 10 14 15 + 1.167 113.326 VLA2 sess219.C2048 1 2 3 4 5 6 7 8 9 10 14 15 + 0.567 42.727 J1619+2247 sess219.C2048 1 2 3 4 5 6 7 8 9 10 14 15 + 2.941 216.230 J1642+3948 sess219.C2048 1 2 3 4 5 6 7 8 9 10 14 15 + 0.075 7.875 J1751+0939 sess219.C2048 1 2 3 4 5 8 9 16 18 0.100 4.049 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) AT2018 134.2 VLA1 134.2 VLA2 134.2 J1619+2247 133.9 J1642+3948 117.6 J1751+0939 144.8 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