COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Revealing the radio structure of TDE AT2019dsg Exp. Code: EM140B Schedule Version: 3.00 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 2Gbps, 16x32MHz, dual-pol, 2-bit, C-band/5 GHz Kunming added: enough pack space left after vex-files for scheduled observations DBBC2 stations: DDC V107. Schedule for URUMQI (Code Ur ) Page 2 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- ---------- 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 05 30 00 3C345 21 48 46 34.9 -65.6 5.1 59.3 0 0 05 30 00 05 35 00 --- 21 53 47 34.1 -65.0 5.2 58.8 300 77 05 30 01 ---------- Main calibrator ---------- 05 37 00 J2052+1619 21 55 48 59.9 210.8 1.0 22.8 -161 77 05 37 00 05 40 00 --- 21 58 48 59.6 212.1 1.1 23.7 19 123 05 37 01 ---------- 50s gap for Tsys ---------- 05 40 50 J2052+1619 21 59 38 59.5 212.5 1.1 24.0 48 123 05 40 50 05 41 20 --- 22 00 08 59.5 212.7 1.1 24.1 30 131 05 40 51 05 41 50 J2058+1512 22 00 38 59.0 209.5 1.0 21.7 23 131 05 41 50 05 44 40 --- 22 03 29 58.7 210.7 1.1 22.6 170 174 05 41 51 05 45 10 J2052+1619 22 03 59 59.1 214.3 1.2 25.3 23 174 05 45 10 05 45 40 --- 22 04 29 59.0 214.6 1.2 25.4 30 182 05 45 11 05 46 10 AT2019DSG 22 04 59 57.5 211.3 1.1 22.9 23 182 05 46 10 05 49 00 --- 22 07 50 57.2 212.5 1.2 23.7 170 226 05 46 11 05 49 30 J2052+1619 22 08 20 58.6 216.2 1.2 26.5 22 226 05 49 30 05 50 00 --- 22 08 50 58.6 216.4 1.3 26.7 30 233 05 49 31 05 50 30 AT2019DSG 22 09 20 57.1 213.1 1.2 24.1 23 233 05 50 30 05 53 20 --- 22 12 10 56.8 214.2 1.2 24.9 170 277 05 50 31 05 53 50 J2052+1619 22 12 40 58.2 217.9 1.3 27.7 22 277 05 53 50 05 54 20 --- 22 13 10 58.1 218.1 1.3 27.8 30 285 05 53 51 05 54 50 AT2019DSG 22 13 40 56.6 214.8 1.3 25.3 23 285 05 54 50 05 57 40 --- 22 16 31 56.3 216.0 1.3 26.1 170 328 05 54 51 05 58 10 J2052+1619 22 17 01 57.7 219.7 1.4 28.9 22 328 05 58 10 05 58 40 --- 22 17 31 57.6 219.9 1.4 29.0 30 336 05 58 11 Schedule for URUMQI (Code Ur ) Page 3 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 05 59 10 AT2019DSG 22 18 01 56.2 216.5 1.3 26.5 23 336 05 59 10 06 02 00 --- 22 20 52 55.8 217.6 1.4 27.2 170 379 05 59 11 06 02 30 J2052+1619 22 21 22 57.1 221.3 1.5 30.0 22 379 06 02 30 06 03 00 --- 22 21 52 57.1 221.5 1.5 30.1 30 387 06 02 31 06 03 30 AT2019DSG 22 22 22 55.7 218.2 1.4 27.6 23 387 06 03 30 06 06 20 --- 22 25 12 55.4 219.3 1.5 28.3 170 431 06 03 31 ---------- 50s gap for Tsys ---------- 06 07 10 J2052+1619 22 26 03 56.6 223.1 1.5 31.1 42 431 06 07 10 06 07 40 --- 22 26 33 56.5 223.3 1.5 31.3 30 438 06 07 11 06 08 10 J2058+1512 22 27 03 56.2 220.2 1.5 29.0 23 438 06 08 10 06 11 00 --- 22 29 53 55.9 221.3 1.5 29.7 170 482 06 08 11 06 11 30 J2052+1619 22 30 23 56.0 224.7 1.6 32.2 23 482 06 11 30 06 12 00 --- 22 30 53 56.0 224.9 1.6 32.3 30 490 06 11 31 06 12 30 AT2019DSG 22 31 23 54.6 221.6 1.6 29.8 23 490 06 12 30 06 15 20 --- 22 34 14 54.3 222.6 1.6 30.5 170 533 06 12 31 06 15 50 J2052+1619 22 34 44 55.5 226.3 1.7 33.1 22 533 06 15 50 06 16 20 --- 22 35 14 55.4 226.4 1.7 33.2 30 541 06 15 51 06 16 50 AT2019DSG 22 35 44 54.1 223.1 1.6 30.8 23 541 06 16 50 06 19 40 --- 22 38 35 53.7 224.1 1.7 31.4 170 585 06 16 51 06 20 10 J2052+1619 22 39 05 54.9 227.8 1.8 34.1 22 585 06 20 10 06 20 40 --- 22 39 35 54.8 228.0 1.8 34.2 30 592 06 20 11 06 21 10 AT2019DSG 22 40 05 53.5 224.7 1.7 31.8 23 592 06 21 10 06 24 00 --- 22 42 55 53.2 225.6 1.7 32.4 170 636 06 21 11 06 24 30 J2052+1619 22 43 25 54.3 229.3 1.8 35.0 23 636 06 24 30 06 25 00 --- 22 43 55 54.2 229.4 1.8 35.1 30 644 06 24 31 06 25 30 AT2019DSG 22 44 26 53.0 226.1 1.8 32.7 23 644 06 25 30 06 28 20 --- 22 47 16 52.6 227.1 1.8 33.3 170 687 06 25 31 06 28 50 J2052+1619 22 47 46 53.7 230.7 1.9 35.8 23 687 06 28 50 06 29 20 --- 22 48 16 53.6 230.9 1.9 35.9 30 695 06 28 51 Schedule for URUMQI (Code Ur ) Page 4 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 06 29 50 AT2019DSG 22 48 46 52.4 227.6 1.8 33.6 23 695 06 29 50 06 32 40 --- 22 51 37 52.0 228.5 1.9 34.1 170 738 06 29 51 ---------- 50s gap for Tsys ---------- 06 33 30 J2052+1619 22 52 27 53.0 232.2 2.0 36.7 43 738 06 33 30 06 34 00 --- 22 52 57 53.0 232.4 2.0 36.8 30 746 06 33 31 06 34 30 J2058+1512 22 53 27 52.8 229.5 1.9 34.9 23 746 06 34 30 06 37 20 --- 22 56 17 52.4 230.4 1.9 35.4 170 790 06 34 31 06 37 50 J2052+1619 22 56 48 52.4 233.6 2.1 37.5 23 790 06 37 50 06 38 20 --- 22 57 18 52.3 233.8 2.1 37.6 30 797 06 37 51 06 38 50 AT2019DSG 22 57 48 51.2 230.5 2.0 35.3 23 797 06 38 50 06 41 40 --- 23 00 38 50.8 231.4 2.0 35.8 170 841 06 38 51 06 42 10 J2052+1619 23 01 08 51.8 234.9 2.1 38.3 23 841 06 42 10 06 42 40 --- 23 01 38 51.7 235.1 2.1 38.3 30 849 06 42 11 06 43 10 AT2019DSG 23 02 08 50.6 231.9 2.1 36.1 23 849 06 43 10 06 46 00 --- 23 04 59 50.1 232.7 2.1 36.6 170 892 06 43 11 06 46 30 J2052+1619 23 05 29 51.1 236.2 2.2 39.0 23 892 06 46 30 06 47 00 --- 23 05 59 51.0 236.4 2.2 39.1 30 900 06 46 31 06 47 30 AT2019DSG 23 06 29 49.9 233.2 2.1 36.8 23 900 06 47 30 06 50 20 --- 23 09 20 49.5 234.0 2.2 37.3 170 944 06 47 31 06 50 50 J2052+1619 23 09 50 50.5 237.5 2.3 39.7 23 944 06 50 50 06 51 20 --- 23 10 20 50.4 237.7 2.3 39.7 30 951 06 50 51 06 51 50 AT2019DSG 23 10 50 49.3 234.5 2.2 37.6 23 951 06 51 50 06 54 40 --- 23 13 40 48.9 235.3 2.3 38.0 170 995 06 51 51 06 55 10 J2052+1619 23 14 10 49.8 238.8 2.3 40.3 23 995 06 55 10 06 55 40 --- 23 14 40 49.7 238.9 2.4 40.4 30 1003 06 55 11 06 56 10 AT2019DSG 23 15 11 48.6 235.8 2.3 38.2 23 1003 06 56 10 06 59 00 --- 23 18 01 48.2 236.6 2.3 38.7 170 1046 06 56 11 ---------- 50s gap for Tsys ---------- 06 59 50 J2052+1619 23 18 51 49.1 240.1 2.4 41.0 43 1046 06 59 50 07 00 20 --- 23 19 21 49.0 240.2 2.4 41.0 30 1054 06 59 51 Schedule for URUMQI (Code Ur ) Page 5 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 07 00 50 J2058+1512 23 19 51 49.0 237.6 2.3 39.4 23 1054 07 00 50 07 03 40 --- 23 22 42 48.5 238.4 2.4 39.8 170 1097 07 00 51 07 04 10 J2052+1619 23 23 12 48.4 241.3 2.5 41.6 23 1097 07 04 10 07 04 40 --- 23 23 42 48.3 241.4 2.5 41.6 30 1105 07 04 11 07 05 10 AT2019DSG 23 24 12 47.3 238.3 2.4 39.6 23 1105 07 05 10 07 08 00 --- 23 27 03 46.8 239.1 2.5 40.0 170 1149 07 05 11 07 08 30 J2052+1619 23 27 33 47.7 242.4 2.6 42.1 23 1149 07 08 30 07 09 00 --- 23 28 03 47.6 242.6 2.6 42.2 30 1156 07 08 31 07 09 30 AT2019DSG 23 28 33 46.6 239.5 2.5 40.2 23 1156 07 09 30 07 12 20 --- 23 31 23 46.2 240.2 2.6 40.5 170 1200 07 09 31 07 12 50 J2052+1619 23 31 53 47.0 243.6 2.6 42.6 23 1200 07 12 50 07 13 20 --- 23 32 23 46.9 243.7 2.6 42.7 30 1208 07 12 51 07 13 50 AT2019DSG 23 32 53 45.9 240.6 2.6 40.7 23 1208 07 13 50 07 16 40 --- 23 35 44 45.5 241.4 2.6 41.1 170 1251 07 13 51 07 17 10 J2052+1619 23 36 14 46.3 244.7 2.7 43.1 23 1251 07 17 10 07 17 40 --- 23 36 44 46.2 244.8 2.7 43.2 30 1259 07 17 11 07 18 10 AT2019DSG 23 37 14 45.2 241.8 2.7 41.3 23 1259 07 18 10 07 21 00 --- 23 40 05 44.8 242.5 2.7 41.6 170 1303 07 18 11 07 21 30 J2052+1619 23 40 35 45.5 245.8 2.8 43.6 23 1303 07 21 30 07 22 00 --- 23 41 05 45.5 245.9 2.8 43.7 30 1310 07 21 31 07 22 30 AT2019DSG 23 41 35 44.5 242.9 2.7 41.8 23 1310 07 22 30 07 25 20 --- 23 44 25 44.1 243.6 2.8 42.1 170 1354 07 22 31 ---------- 50s gap for Tsys ---------- 07 26 10 J2052+1619 23 45 15 44.8 246.9 2.9 44.1 43 1354 07 26 10 07 26 40 --- 23 45 46 44.7 247.0 2.9 44.1 30 1362 07 26 11 07 27 10 J2058+1512 23 46 16 44.8 244.6 2.8 42.8 23 1362 07 27 10 07 30 00 --- 23 49 06 44.3 245.3 2.8 43.1 170 1405 07 27 11 07 30 30 J2052+1619 23 49 36 44.0 248.0 2.9 44.5 23 1405 07 30 30 07 31 00 --- 23 50 06 44.0 248.1 2.9 44.6 30 1413 07 30 31 Schedule for URUMQI (Code Ur ) Page 6 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 07 31 30 AT2019DSG 23 50 36 43.1 245.1 2.9 42.8 23 1413 07 31 30 07 34 20 --- 23 53 27 42.6 245.8 2.9 43.1 170 1456 07 31 31 07 34 50 J2052+1619 23 53 57 43.3 249.0 3.0 44.9 23 1456 07 34 50 07 35 20 --- 23 54 27 43.2 249.1 3.0 45.0 30 1464 07 34 51 07 35 50 AT2019DSG 23 54 57 42.3 246.2 2.9 43.2 23 1464 07 35 50 07 38 40 --- 23 57 48 41.9 246.8 3.0 43.5 170 1508 07 35 51 07 39 10 J2052+1619 23 58 18 42.6 250.0 3.1 45.3 23 1508 07 39 10 07 39 40 --- 23 58 48 42.5 250.1 3.1 45.3 30 1515 07 39 11 07 40 10 AT2019DSG 23 59 18 41.6 247.2 3.0 43.7 23 1515 07 40 10 07 43 00 --- 00 02 08 41.1 247.9 3.1 43.9 170 1559 07 40 11 07 43 30 J2052+1619 00 02 38 41.8 251.0 3.2 45.7 23 1559 07 43 30 07 44 00 --- 00 03 08 41.7 251.1 3.2 45.7 30 1567 07 43 31 07 44 30 AT2019DSG 00 03 39 40.9 248.2 3.1 44.1 23 1567 07 44 30 07 47 20 --- 00 06 29 40.4 248.9 3.1 44.3 170 1610 07 44 31 07 47 50 J2052+1619 00 06 59 41.1 251.9 3.2 46.0 23 1610 07 47 50 07 48 20 --- 00 07 29 41.0 252.0 3.2 46.0 30 1618 07 47 51 07 48 50 AT2019DSG 00 07 59 40.1 249.2 3.2 44.4 23 1618 07 48 50 07 51 40 --- 00 10 50 39.7 249.8 3.2 44.7 170 1662 07 48 51 ---------- 50s gap for Tsys ---------- 07 52 30 J2052+1619 00 11 40 40.3 253.0 3.3 46.3 43 1662 07 52 30 07 53 00 --- 00 12 10 40.2 253.1 3.3 46.4 30 1669 07 52 31 07 53 30 J2058+1512 00 12 40 40.4 250.8 3.2 45.3 24 1669 07 53 30 07 56 20 --- 00 15 30 39.9 251.4 3.3 45.5 170 1713 07 53 31 07 56 50 J2052+1619 00 16 01 39.5 253.9 3.4 46.6 24 1713 07 56 50 07 57 20 --- 00 16 31 39.4 254.0 3.4 46.7 30 1721 07 56 51 07 57 50 AT2019DSG 00 17 01 38.6 251.2 3.3 45.1 23 1721 07 57 50 08 00 40 --- 00 19 51 38.1 251.8 3.4 45.4 170 1764 07 57 51 08 01 10 J2052+1619 00 20 21 38.8 254.8 3.4 46.9 23 1764 08 01 10 08 01 40 --- 00 20 51 38.7 254.9 3.5 46.9 30 1772 08 01 11 Schedule for URUMQI (Code Ur ) Page 7 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 08 02 10 AT2019DSG 00 21 21 37.9 252.2 3.4 45.5 23 1772 08 02 10 08 05 00 --- 00 24 12 37.4 252.8 3.4 45.7 170 1815 08 02 11 08 05 30 J2052+1619 00 24 42 38.0 255.7 3.5 47.2 23 1815 08 05 30 08 06 00 --- 00 25 12 37.9 255.8 3.5 47.2 30 1823 08 05 31 08 06 30 AT2019DSG 00 25 42 37.1 253.1 3.5 45.8 23 1823 08 06 30 08 09 20 --- 00 28 33 36.6 253.7 3.5 45.9 170 1867 08 06 31 08 09 50 J2052+1619 00 29 03 37.2 256.6 3.6 47.4 23 1867 08 09 50 08 10 20 --- 00 29 33 37.1 256.7 3.6 47.4 30 1874 08 09 51 08 10 50 AT2019DSG 00 30 03 36.4 254.0 3.5 46.0 23 1874 08 10 50 08 13 40 --- 00 32 53 35.9 254.6 3.6 46.2 170 1918 08 10 51 08 14 10 J2052+1619 00 33 23 36.5 257.5 3.7 47.6 23 1918 08 14 10 08 14 40 --- 00 33 53 36.4 257.6 3.7 47.6 30 1926 08 14 11 08 15 10 AT2019DSG 00 34 24 35.6 254.9 3.6 46.3 23 1926 08 15 10 08 18 00 --- 00 37 14 35.1 255.5 3.7 46.5 170 1969 08 15 11 ---------- 50s gap for Tsys ---------- 08 18 50 J2052+1619 00 38 04 35.6 258.4 3.7 47.8 43 1969 08 18 50 08 19 20 --- 00 38 34 35.5 258.5 3.7 47.9 30 1977 08 18 51 08 19 50 J2058+1512 00 39 04 35.8 256.4 3.7 47.0 24 1977 08 19 50 08 22 40 --- 00 41 55 35.3 257.0 3.7 47.1 170 2021 08 19 51 08 23 10 J2052+1619 00 42 25 34.9 259.3 3.8 48.0 24 2021 08 23 10 08 23 40 --- 00 42 55 34.8 259.4 3.8 48.0 30 2028 08 23 11 08 24 10 AT2019DSG 00 43 25 34.0 256.7 3.8 46.8 23 2028 08 24 10 08 27 00 --- 00 46 15 33.5 257.3 3.8 46.9 170 2072 08 24 11 08 27 30 J2052+1619 00 46 46 34.1 260.1 3.9 48.2 23 2072 08 27 30 08 28 00 --- 00 47 16 34.0 260.2 3.9 48.2 30 2079 08 27 31 08 28 30 AT2019DSG 00 47 46 33.2 257.6 3.8 47.0 23 2079 08 28 30 08 31 20 --- 00 50 36 32.7 258.1 3.9 47.1 170 2123 08 28 31 08 31 50 J2052+1619 00 51 06 33.3 261.0 4.0 48.3 23 2123 08 31 50 08 32 20 --- 00 51 36 33.2 261.1 4.0 48.4 30 2131 08 31 51 Schedule for URUMQI (Code Ur ) Page 8 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 08 32 50 AT2019DSG 00 52 06 32.5 258.4 3.9 47.2 23 2131 08 32 50 08 35 40 --- 00 54 57 32.0 259.0 3.9 47.3 170 2174 08 32 51 08 36 10 J2052+1619 00 55 27 32.5 261.8 4.0 48.5 23 2174 08 36 10 08 36 40 --- 00 55 57 32.4 261.9 4.0 48.5 30 2182 08 36 11 08 37 10 AT2019DSG 00 56 27 31.7 259.3 4.0 47.4 23 2182 08 37 10 08 40 00 --- 00 59 18 31.2 259.8 4.0 47.5 170 2226 08 37 11 08 40 30 J2052+1619 00 59 48 31.7 262.6 4.1 48.6 23 2226 08 40 30 08 41 00 --- 01 00 18 31.6 262.7 4.1 48.6 30 2233 08 40 31 08 41 30 AT2019DSG 01 00 48 30.9 260.1 4.0 47.5 23 2233 08 41 30 08 44 20 --- 01 03 38 30.4 260.7 4.1 47.6 170 2277 08 41 31 ---------- 50s gap for Tsys ---------- 08 45 10 J2052+1619 01 04 28 30.9 263.5 4.2 48.7 43 2277 08 45 10 08 45 40 --- 01 04 59 30.8 263.6 4.2 48.7 30 2285 08 45 11 08 46 10 J2058+1512 01 05 29 31.1 261.5 4.1 48.1 24 2285 08 46 10 08 49 00 --- 01 08 19 30.5 262.1 4.1 48.2 170 2328 08 46 11 08 49 30 J2052+1619 01 08 49 30.1 264.3 4.3 48.8 24 2328 08 49 30 08 50 00 --- 01 09 19 30.0 264.4 4.3 48.8 30 2336 08 49 31 08 50 30 AT2019DSG 01 09 49 29.3 261.8 4.2 47.8 23 2336 08 50 30 08 53 20 --- 01 12 40 28.8 262.3 4.2 47.9 170 2379 08 50 31 08 53 50 J2052+1619 01 13 10 29.3 265.1 4.3 48.9 23 2379 08 53 50 08 54 20 --- 01 13 40 29.2 265.1 4.3 48.9 30 2387 08 53 51 08 54 50 AT2019DSG 01 14 10 28.5 262.6 4.3 48.0 23 2387 08 54 50 08 57 40 --- 01 17 01 28.0 263.2 4.3 48.0 170 2431 08 54 51 08 58 10 J2052+1619 01 17 31 28.5 265.8 4.4 49.0 23 2431 08 58 10 08 58 40 --- 01 18 01 28.4 265.9 4.4 49.0 30 2438 08 58 11 08 59 10 AT2019DSG 01 18 31 27.7 263.4 4.3 48.1 23 2438 08 59 10 09 02 00 --- 01 21 21 27.2 263.9 4.4 48.1 170 2482 08 59 11 09 02 30 J2052+1619 01 21 51 27.8 266.6 4.5 49.0 23 2482 09 02 30 09 03 00 --- 01 22 21 27.7 266.7 4.5 49.0 30 2490 09 02 31 Schedule for URUMQI (Code Ur ) Page 9 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 09 03 30 AT2019DSG 01 22 51 27.0 264.2 4.4 48.2 23 2490 09 03 30 09 06 20 --- 01 25 42 26.4 264.7 4.5 48.2 170 2533 09 03 31 09 06 50 J2052+1619 01 26 12 27.0 267.4 4.5 49.1 23 2533 09 06 50 09 07 20 --- 01 26 42 26.9 267.5 4.6 49.1 30 2541 09 06 51 09 07 50 AT2019DSG 01 27 12 26.2 265.0 4.5 48.2 23 2541 09 07 50 09 10 40 --- 01 30 03 25.7 265.5 4.5 48.3 170 2585 09 07 51 ---------- 50s gap for Tsys ---------- 09 11 30 J2052+1619 01 30 53 26.1 268.2 4.6 49.1 43 2585 09 11 30 09 12 00 --- 01 31 23 26.0 268.3 4.6 49.1 30 2592 09 11 31 09 12 30 J2058+1512 01 31 53 26.3 266.4 4.5 48.7 24 2592 09 12 30 09 15 20 --- 01 34 43 25.8 266.9 4.6 48.7 170 2636 09 12 31 09 15 50 J2052+1619 01 35 14 25.3 269.0 4.7 49.1 24 2636 09 15 50 09 16 20 --- 01 35 44 25.2 269.0 4.7 49.1 30 2644 09 15 51 09 16 50 AT2019DSG 01 36 14 24.5 266.6 4.6 48.4 23 2644 09 16 50 09 19 40 --- 01 39 04 24.0 267.1 4.7 48.4 170 2687 09 16 51 09 20 10 J2052+1619 01 39 34 24.5 269.7 4.8 49.2 23 2687 09 20 10 09 20 40 --- 01 40 04 24.5 269.8 4.8 49.2 30 2695 09 20 11 09 21 10 AT2019DSG 01 40 34 23.7 267.4 4.7 48.4 24 2695 09 21 10 09 24 00 --- 01 43 25 23.2 267.9 4.8 48.4 170 2738 09 21 11 09 24 30 J2052+1619 01 43 55 23.8 270.5 4.8 49.2 23 2738 09 24 30 09 25 00 --- 01 44 25 23.7 270.5 4.8 49.2 30 2746 09 24 31 09 25 30 AT2019DSG 01 44 55 23.0 268.1 4.8 48.5 24 2746 09 25 30 09 28 20 --- 01 47 46 22.4 268.6 4.8 48.5 170 2790 09 25 31 09 28 50 J2052+1619 01 48 16 23.0 271.2 4.9 49.1 24 2790 09 28 50 09 29 20 --- 01 48 46 22.9 271.3 4.9 49.1 30 2797 09 28 51 09 29 50 AT2019DSG 01 49 16 22.2 268.9 4.9 48.5 24 2797 09 29 50 09 32 40 --- 01 52 06 21.7 269.4 4.9 48.5 170 2841 09 29 51 09 33 10 J2052+1619 01 52 36 22.2 271.9 5.0 49.1 24 2841 09 33 10 09 33 40 --- 01 53 06 22.1 272.0 5.0 49.1 30 2849 09 33 11 Schedule for URUMQI (Code Ur ) Page 10 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 09 34 10 AT2019DSG 01 53 37 21.4 269.6 4.9 48.5 24 2849 09 34 10 09 37 00 --- 01 56 27 20.9 270.1 5.0 48.5 170 2892 09 34 11 ---------- Main calibrator ---------- 09 37 30 J2052+1619 01 56 57 21.4 272.7 5.1 49.1 24 2892 09 37 30 09 38 00 --- 01 57 27 21.3 272.8 5.1 49.1 30 2900 09 37 31 09 38 30 J2058+1512 01 57 57 21.6 270.9 5.0 48.8 24 2900 09 38 30 09 41 20 --- 02 00 48 21.0 271.4 5.0 48.8 170 2944 09 38 31 09 41 50 J2052+1619 02 01 18 20.6 273.4 5.1 49.0 24 2944 09 41 50 09 42 20 --- 02 01 48 20.5 273.5 5.1 49.0 30 2951 09 41 51 ---------- Ef out to check pointing ---------- 09 45 20 3C454.3 02 04 48 41.6 251.0 3.2 45.6 134 2951 09 45 20 09 50 20 --- 02 09 49 40.7 252.1 3.2 46.0 300 3028 09 45 21 ---------- Ef in ---------- 09 53 00 J2052+1619 02 12 30 18.6 275.3 5.3 48.9 113 3028 09 53 00 09 54 00 --- 02 13 30 18.4 275.4 5.3 48.9 60 3044 09 53 01 ---------- 50s gap for Tsys ---------- 09 54 50 J2052+1619 02 14 20 18.2 275.6 5.3 48.8 48 3044 09 54 50 09 55 20 --- 02 14 50 18.2 275.7 5.4 48.8 30 3051 09 54 51 09 55 50 J2058+1512 02 15 20 18.4 273.8 5.3 48.6 24 3051 09 55 50 09 58 40 --- 02 18 11 17.9 274.3 5.3 48.6 170 3095 09 55 51 09 59 10 J2052+1619 02 18 41 17.5 276.3 5.4 48.8 24 3095 09 59 10 09 59 40 --- 02 19 11 17.4 276.4 5.4 48.7 30 3103 09 59 11 10 00 10 AT2019DSG 02 19 41 16.7 274.1 5.4 48.3 24 3103 10 00 10 10 03 00 --- 02 22 31 16.1 274.6 5.4 48.3 170 3146 10 00 11 10 03 30 J2052+1619 02 23 01 16.7 277.0 5.5 48.7 24 3146 10 03 30 10 04 00 --- 02 23 31 16.6 277.1 5.5 48.7 30 3154 10 03 31 10 04 30 AT2019DSG 02 24 02 15.9 274.8 5.4 48.3 24 3154 10 04 30 10 07 20 --- 02 26 52 15.4 275.3 5.5 48.2 170 3197 10 04 31 Schedule for URUMQI (Code Ur ) Page 11 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 10 07 50 J2052+1619 02 27 22 15.9 277.7 5.6 48.6 24 3197 10 07 50 10 08 20 --- 02 27 52 15.8 277.8 5.6 48.5 30 3205 10 07 51 10 08 50 AT2019DSG 02 28 22 15.1 275.5 5.5 48.2 24 3205 10 08 50 10 11 40 --- 02 31 13 14.6 276.0 5.6 48.1 170 3249 10 08 51 10 12 10 J2052+1619 02 31 43 15.1 278.5 5.6 48.4 24 3249 10 12 10 10 12 40 --- 02 32 13 15.0 278.5 5.6 48.4 30 3256 10 12 11 10 13 10 AT2019DSG 02 32 43 14.3 276.3 5.6 48.1 24 3256 10 13 10 10 16 00 --- 02 35 33 13.8 276.7 5.6 48.0 170 3300 10 13 11 10 16 30 J2052+1619 02 36 03 14.3 279.2 5.7 48.3 24 3300 10 16 30 10 17 00 --- 02 36 34 14.2 279.3 5.7 48.3 30 3308 10 16 31 10 17 30 AT2019DSG 02 37 04 13.5 277.0 5.7 48.0 24 3308 10 17 30 10 20 20 --- 02 39 54 13.0 277.5 5.7 47.9 170 3351 10 17 31 ---------- 50s gap for Tsys ---------- 10 21 10 J2052+1619 02 40 44 13.5 279.9 5.8 48.2 44 3351 10 21 10 10 21 40 --- 02 41 14 13.4 280.0 5.8 48.2 30 3359 10 21 11 10 22 10 J2058+1512 02 41 44 13.7 278.2 5.7 48.1 24 3359 10 22 10 10 25 00 --- 02 44 35 13.1 278.7 5.7 48.0 170 3403 10 22 11 10 25 30 J2052+1619 02 45 05 12.7 280.7 5.9 48.0 24 3403 10 25 30 10 26 00 --- 02 45 35 12.6 280.7 5.9 48.0 30 3410 10 25 31 10 26 30 AT2019DSG 02 46 05 11.9 278.5 5.8 47.8 24 3410 10 26 30 10 29 20 --- 02 48 56 11.4 279.0 5.8 47.7 170 3454 10 26 31 10 29 50 J2052+1619 02 49 26 11.9 281.4 5.9 47.9 24 3454 10 29 50 10 30 20 --- 02 49 56 11.9 281.5 5.9 47.9 30 3462 10 29 51 10 30 50 AT2019DSG 02 50 26 11.1 279.2 5.9 47.7 24 3462 10 30 50 10 33 40 --- 02 53 16 10.6 279.7 5.9 47.6 170 3505 10 30 51 10 34 10 J2052+1619 02 53 46 11.2 282.1 6.0 47.7 24 3505 10 34 10 10 34 40 --- 02 54 16 11.1 282.2 6.0 47.7 30 3513 10 34 11 10 35 10 AT2019DSG 02 54 47 10.3 279.9 5.9 47.5 24 3513 10 35 10 10 38 00 --- 02 57 37 9.8 280.4 6.0 47.4 170 3556 10 35 11 Schedule for URUMQI (Code Ur ) Page 12 Revealing the radio structure of TDE AT2019dsg 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 ---------------------------------------------------------------------------------------- --- Fri 28 Feb 2020 Day 59 --- 10 38 30 J2052+1619 02 58 07 10.4 282.8 6.1 47.5 24 3556 10 38 30 10 39 00 --- 02 58 37 10.3 282.9 6.1 47.5 30 3564 10 38 31 10 39 30 AT2019DSG 02 59 07 9.6 280.7 6.0 47.4 24 3564 10 39 30 10 42 20 --- 03 01 58 9.1 281.1 6.1 47.3 170 3608 10 39 31 10 42 50 J2052+1619 03 02 28 9.6 283.5 6.1 47.4 24 3608 10 42 50 10 43 20 --- 03 02 58 9.6 283.6 6.2 47.3 30 3615 10 42 51 10 43 50 AT2019DSG 03 03 28 8.8 281.4 6.1 47.2 24 3615 10 43 50 10 46 40 --- 03 06 18 8.3 281.9 6.1 47.1 170 3659 10 43 51 ---------- 50s gap for Tsys ---------- 10 47 30 J2052+1619 03 07 09 8.8 284.3 6.2 47.1 44 3659 10 47 30 10 48 00 --- 03 07 39 8.7 284.4 6.2 47.1 30 3667 10 47 31 10 48 30 J2058+1512 03 08 09 8.9 282.6 6.1 47.2 24 3667 10 48 30 10 51 20 --- 03 10 59 8.4 283.1 6.2 47.1 170 3710 10 48 31 10 51 50 J2052+1619 03 11 29 8.1 285.0 6.3 46.9 24 3710 10 51 50 10 52 20 --- 03 11 59 8.0 285.1 6.3 46.9 30 3718 10 51 51 10 52 50 AT2019DSG 03 12 29 7.2 282.9 6.2 46.9 24 3718 10 52 50 10 55 40 --- 03 15 20 6.7 283.4 6.3 46.8 170 3762 10 52 51 10 56 10 J2052+1619 03 15 50 7.3 285.7 6.4 46.7 24 3762 10 56 10 10 56 40 --- 03 16 20 7.2 285.8 6.4 46.7 30 3769 10 56 11 10 57 10 AT2019DSG 03 16 50 6.4 283.6 6.3 46.7 24 3769 10 57 10 11 00 00 --- 03 19 41 5.9 284.1 6.4 46.6 170 3813 10 57 11 11 00 30 J2052+1619 03 20 11 6.5 286.4 6.4 46.5 24 3813 11 00 30 11 01 00 --- 03 20 41 6.4 286.5 6.5 46.5 30 3821 11 00 31 11 01 30 AT2019DSG 03 21 11 5.7 284.3 6.4 46.5 24 3821 11 01 30 11 04 20 --- 03 24 01 5.2 284.8 6.4 46.4 170 3864 11 01 31 11 04 50 J2052+1619 03 24 31 5.8 287.2 6.5 46.3 24 3864 11 04 50 11 05 20 --- 03 25 01 5.7 287.2 6.5 46.3 30 3872 11 04 51 11 09 10 J2052+1619 03 28 52 5.0 287.9 6.6 46.0 228 3872 11 09 10 11 09 40 --- 03 29 22 4.9 288.0 6.6 D 46.0 0 3879 11 09 11 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess120.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: 11 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: 5 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: 5 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) * AT2019DSG 20 54 41.265069 * 20 57 02.965020 20 57 57.914266 12.00 14 00 40.58052 * 14 12 16.28980 14 16 45.26400 4.00 From catalog imbedded in main SCHED input file. From ATel 13105, e-MERLIN observations, 0.35 mJy on 2019 Jun 20 * J2058+1512 20 56 24.919674 * 20 58 45.819173 20 59 40.443962 2.08 15 00 32.08468 * 15 12 13.18646 15 16 44.22055 3.10 From catalog imbedded in main SCHED input file. rfc_2019c Petrov and Kovalev, in preparation 6 observations * J2052+1619 20 50 24.087782 * 20 52 43.619855 20 53 37.709826 0.14 16 08 26.79250 * 16 19 48.82816 16 24 12.11140 0.21 From catalog imbedded in main SCHED input file. rfc_2019c Petrov and Kovalev, in preparation 337 observations * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 38.812600 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 08.55860 0.59 1641+399 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 observations. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 54 55.236124 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 08.28855 0.73 2251+158 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 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 AT2019DSG sess120.C2048 1 2 3 4 5 6 7 8 9 13 14 4.014 272.745 J2058+1512 sess120.C2048 1 2 3 4 5 6 7 8 9 13 14 0.897 61.250 J2052+1619 sess120.C2048 1 2 3 4 5 6 7 8 9 13 14 0.950 60.218 3C345 sess120.C2048 1 2 3 4 5 6 7 8 9 13 0.083 6.500 3C454.3 sess120.C2048 1 2 4 5 6 7 8 9 13 14 0.083 6.500 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) AT2019DSG 34.4 J2058+1512 34.7 J2052+1619 36.6 3C345 95.1 3C454.3 24.5 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