COVER INFORMATION Station: KUNMING (Code Km ) Experiment: Revealing the radio structure of TDE AT2019dsg Exp. Code: EM140A Schedule Version: 1.00 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 KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- ---------- 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: 630.49 630.49 630.49 630.49 694.49 694.49 694.49 694.49 758.49 758.49 758.49 758.49 822.49 822.49 822.49 822.49 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 13 30 00 3C345 22 43 41 15.7 -53.0 6.0 70.3 0 0 13 30 00 13 35 00 --- 22 48 41 14.8 -52.6 6.1 69.5 300 77 13 30 01 ---------- 50s gap for Tsys ---------- 13 40 50 J2052+1619 22 54 32 60.5 258.9 2.0 68.0 35 77 13 40 50 13 41 20 --- 22 55 03 60.4 259.0 2.0 68.0 30 85 13 40 51 13 41 50 J2058+1512 22 55 33 61.2 255.8 1.9 65.6 23 85 13 41 50 13 44 40 --- 22 58 23 60.6 256.4 2.0 65.9 170 128 13 41 51 13 45 10 J2052+1619 22 58 53 59.6 259.7 2.1 68.3 23 128 13 45 10 13 45 40 --- 22 59 23 59.4 259.8 2.1 68.4 30 136 13 45 11 13 46 10 AT2019DSG 22 59 53 59.4 255.2 2.0 64.7 21 136 13 46 10 13 49 00 --- 23 02 44 58.8 255.8 2.1 65.0 170 179 13 46 11 13 49 30 J2052+1619 23 03 14 58.6 260.4 2.2 68.7 21 179 13 49 30 13 50 00 --- 23 03 44 58.5 260.5 2.2 68.7 30 187 13 49 31 13 50 30 AT2019DSG 23 04 14 58.5 256.1 2.1 65.2 21 187 13 50 30 13 53 20 --- 23 07 05 57.9 256.6 2.2 65.5 170 231 13 50 31 13 53 50 J2052+1619 23 07 35 57.6 261.1 2.2 69.0 22 231 13 53 50 13 54 20 --- 23 08 05 57.5 261.2 2.2 69.0 30 238 13 53 51 13 54 50 AT2019DSG 23 08 35 57.5 256.9 2.2 65.6 22 238 13 54 50 13 57 40 --- 23 11 25 56.9 257.4 2.2 65.9 170 282 13 54 51 13 58 10 J2052+1619 23 11 55 56.6 261.8 2.3 69.2 22 282 13 58 10 13 58 40 --- 23 12 25 56.5 261.9 2.3 69.3 30 290 13 58 11 13 59 10 AT2019DSG 23 12 55 56.6 257.7 2.2 66.0 22 290 13 59 10 14 02 00 --- 23 15 46 55.9 258.2 2.3 66.2 170 333 13 59 11 14 02 30 J2052+1619 23 16 16 55.7 262.5 2.4 69.5 22 333 14 02 30 14 03 00 --- 23 16 46 55.6 262.6 2.4 69.5 30 341 14 02 31 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 14 03 30 AT2019DSG 23 17 16 55.6 258.5 2.3 66.4 22 341 14 03 30 14 06 20 --- 23 20 07 55.0 258.9 2.4 66.6 170 385 14 03 31 ---------- 50s gap for Tsys ---------- 14 07 10 J2052+1619 23 20 57 54.6 263.2 2.5 69.7 42 385 14 07 10 14 07 40 --- 23 21 27 54.5 263.2 2.5 69.7 30 392 14 07 11 14 08 10 J2058+1512 23 21 57 55.3 260.6 2.4 67.9 23 392 14 08 10 14 11 00 --- 23 24 47 54.7 261.0 2.4 68.1 170 436 14 08 11 14 11 30 J2052+1619 23 25 17 53.6 263.8 2.5 69.9 23 436 14 11 30 14 12 00 --- 23 25 48 53.5 263.9 2.5 69.9 30 444 14 11 31 14 12 30 AT2019DSG 23 26 18 53.6 260.0 2.5 67.0 22 444 14 12 30 14 15 20 --- 23 29 08 53.0 260.4 2.5 67.2 170 487 14 12 31 14 15 50 J2052+1619 23 29 38 52.7 264.4 2.6 70.1 22 487 14 15 50 14 16 20 --- 23 30 08 52.5 264.4 2.6 70.1 30 495 14 15 51 14 16 50 AT2019DSG 23 30 38 52.6 260.6 2.5 67.3 22 495 14 16 50 14 19 40 --- 23 33 29 52.0 261.1 2.6 67.5 170 538 14 16 51 14 20 10 J2052+1619 23 33 59 51.7 265.0 2.7 70.2 22 538 14 20 10 14 20 40 --- 23 34 29 51.6 265.0 2.7 70.2 30 546 14 20 11 14 21 10 AT2019DSG 23 34 59 51.7 261.3 2.6 67.6 22 546 14 21 10 14 24 00 --- 23 37 50 51.0 261.7 2.7 67.7 170 590 14 21 11 14 24 30 J2052+1619 23 38 20 50.7 265.5 2.7 70.3 22 590 14 24 30 14 25 00 --- 23 38 50 50.6 265.6 2.8 70.4 30 597 14 24 31 14 25 30 AT2019DSG 23 39 20 50.7 261.9 2.7 67.8 22 597 14 25 30 14 28 20 --- 23 42 10 50.0 262.3 2.7 67.9 170 641 14 25 31 14 28 50 J2052+1619 23 42 40 49.7 266.1 2.8 70.4 22 641 14 28 50 14 29 20 --- 23 43 10 49.6 266.1 2.8 70.5 30 649 14 28 51 14 29 50 AT2019DSG 23 43 41 49.7 262.6 2.8 68.0 22 649 14 29 50 14 32 40 --- 23 46 31 49.1 262.9 2.8 68.1 170 692 14 29 51 ---------- 50s gap for Tsys ---------- 14 33 30 J2052+1619 23 47 21 48.7 266.6 2.9 70.6 42 692 14 33 30 14 34 00 --- 23 47 51 48.5 266.7 2.9 70.6 30 700 14 33 31 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 14 34 30 J2058+1512 23 48 21 49.4 264.4 2.8 69.2 24 700 14 34 30 14 37 20 --- 23 51 12 48.8 264.8 2.9 69.3 170 744 14 34 31 14 37 50 J2052+1619 23 51 42 47.7 267.2 3.0 70.6 24 744 14 37 50 14 38 20 --- 23 52 12 47.6 267.2 3.0 70.6 30 751 14 37 51 14 38 50 AT2019DSG 23 52 42 47.7 263.8 2.9 68.4 23 751 14 38 50 14 41 40 --- 23 55 32 47.0 264.2 3.0 68.5 170 795 14 38 51 14 42 10 J2052+1619 23 56 03 46.7 267.7 3.0 70.7 23 795 14 42 10 14 42 40 --- 23 56 33 46.6 267.7 3.0 70.7 30 803 14 42 11 14 43 10 AT2019DSG 23 57 03 46.7 264.4 3.0 68.5 23 803 14 43 10 14 46 00 --- 23 59 53 46.1 264.7 3.0 68.6 170 846 14 43 11 14 46 30 J2052+1619 00 00 23 45.7 268.2 3.1 70.7 23 846 14 46 30 14 47 00 --- 00 00 53 45.6 268.2 3.1 70.8 30 854 14 46 31 14 47 30 AT2019DSG 00 01 23 45.7 264.9 3.1 68.6 23 854 14 47 30 14 50 20 --- 00 04 14 45.1 265.3 3.1 68.7 170 897 14 47 31 14 50 50 J2052+1619 00 04 44 44.7 268.6 3.2 70.8 23 897 14 50 50 14 51 20 --- 00 05 14 44.6 268.7 3.2 70.8 30 905 14 50 51 14 51 50 AT2019DSG 00 05 44 44.7 265.4 3.1 68.8 23 905 14 51 50 14 54 40 --- 00 08 35 44.1 265.8 3.2 68.8 170 949 14 51 51 14 55 10 J2052+1619 00 09 05 43.7 269.1 3.3 70.8 23 949 14 55 10 14 55 40 --- 00 09 35 43.6 269.2 3.3 70.8 30 956 14 55 11 14 56 10 AT2019DSG 00 10 05 43.8 266.0 3.2 68.9 23 956 14 56 10 14 59 00 --- 00 12 55 43.1 266.3 3.2 68.9 170 1000 14 56 11 ---------- 50s gap for Tsys ---------- 14 59 50 J2052+1619 00 13 45 42.7 269.6 3.3 70.8 43 1000 14 59 50 15 00 20 --- 00 14 16 42.6 269.7 3.3 70.8 30 1008 14 59 51 15 00 50 J2058+1512 00 14 46 43.4 267.6 3.3 69.8 24 1008 15 00 50 15 03 40 --- 00 17 36 42.8 267.9 3.3 69.8 170 1051 15 00 51 15 04 10 J2052+1619 00 18 06 41.7 270.1 3.4 70.8 24 1051 15 04 10 15 04 40 --- 00 18 36 41.6 270.1 3.4 70.8 30 1059 15 04 11 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 15 05 10 AT2019DSG 00 19 06 41.7 267.1 3.4 69.0 23 1059 15 05 10 15 08 00 --- 00 21 57 41.1 267.4 3.4 69.1 170 1103 15 05 11 15 08 30 J2052+1619 00 22 27 40.7 270.5 3.5 70.8 23 1103 15 08 30 15 09 00 --- 00 22 57 40.6 270.6 3.5 70.8 30 1110 15 08 31 15 09 30 AT2019DSG 00 23 27 40.7 267.6 3.4 69.1 23 1110 15 09 30 15 12 20 --- 00 26 17 40.1 267.9 3.5 69.1 170 1154 15 09 31 15 12 50 J2052+1619 00 26 48 39.7 271.0 3.6 70.8 23 1154 15 12 50 15 13 20 --- 00 27 18 39.6 271.0 3.6 70.8 30 1162 15 12 51 15 13 50 AT2019DSG 00 27 48 39.8 268.0 3.5 69.1 23 1162 15 13 50 15 16 40 --- 00 30 38 39.1 268.4 3.5 69.2 170 1205 15 13 51 15 17 10 J2052+1619 00 31 08 38.7 271.4 3.6 70.8 23 1205 15 17 10 15 17 40 --- 00 31 38 38.6 271.5 3.6 70.8 30 1213 15 17 11 15 18 10 AT2019DSG 00 32 08 38.8 268.5 3.6 69.2 23 1213 15 18 10 15 21 00 --- 00 34 59 38.1 268.8 3.6 69.2 170 1256 15 18 11 15 21 30 J2052+1619 00 35 29 37.8 271.9 3.7 70.7 23 1256 15 21 30 15 22 00 --- 00 35 59 37.6 271.9 3.7 70.7 30 1264 15 21 31 15 22 30 AT2019DSG 00 36 29 37.8 269.0 3.6 69.2 23 1264 15 22 30 15 25 20 --- 00 39 20 37.1 269.3 3.7 69.2 170 1308 15 22 31 ---------- 50s gap for Tsys ---------- 15 26 10 J2052+1619 00 40 10 36.7 272.3 3.8 70.7 43 1308 15 26 10 15 26 40 --- 00 40 40 36.6 272.4 3.8 70.7 30 1315 15 26 11 15 27 10 J2058+1512 00 41 10 37.5 270.5 3.7 69.9 24 1315 15 27 10 15 30 00 --- 00 44 00 36.8 270.8 3.7 69.9 170 1359 15 27 11 15 30 30 J2052+1619 00 44 30 35.7 272.8 3.8 70.6 24 1359 15 30 30 15 31 00 --- 00 45 01 35.6 272.8 3.9 70.6 30 1367 15 30 31 15 31 30 AT2019DSG 00 45 31 35.7 270.0 3.8 69.2 23 1367 15 31 30 15 34 20 --- 00 48 21 35.1 270.3 3.8 69.2 170 1410 15 31 31 15 34 50 J2052+1619 00 48 51 34.7 273.2 3.9 70.6 23 1410 15 34 50 15 35 20 --- 00 49 21 34.6 273.2 3.9 70.6 30 1418 15 34 51 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 15 35 50 AT2019DSG 00 49 51 34.8 270.4 3.9 69.2 23 1418 15 35 50 15 38 40 --- 00 52 42 34.1 270.7 3.9 69.2 170 1462 15 35 51 15 39 10 J2052+1619 00 53 12 33.7 273.6 4.0 70.5 23 1462 15 39 10 15 39 40 --- 00 53 42 33.6 273.7 4.0 70.5 30 1469 15 39 11 15 40 10 AT2019DSG 00 54 12 33.8 270.9 3.9 69.2 23 1469 15 40 10 15 43 00 --- 00 57 03 33.1 271.2 4.0 69.2 170 1513 15 40 11 15 43 30 J2052+1619 00 57 33 32.8 274.0 4.1 70.4 23 1513 15 43 30 15 44 00 --- 00 58 03 32.7 274.1 4.1 70.4 30 1521 15 43 31 15 44 30 AT2019DSG 00 58 33 32.8 271.3 4.0 69.2 23 1521 15 44 30 15 47 20 --- 01 01 23 32.1 271.6 4.1 69.2 170 1564 15 44 31 15 47 50 J2052+1619 01 01 53 31.8 274.4 4.1 70.3 23 1564 15 47 50 15 48 20 --- 01 02 23 31.7 274.5 4.1 70.3 30 1572 15 47 51 15 48 50 AT2019DSG 01 02 53 31.8 271.8 4.1 69.2 23 1572 15 48 50 15 51 40 --- 01 05 44 31.2 272.1 4.1 69.1 170 1615 15 48 51 ---------- 50s gap for Tsys ---------- 15 52 30 J2052+1619 01 06 34 30.7 274.9 4.2 70.2 43 1615 15 52 30 15 53 00 --- 01 07 04 30.6 274.9 4.2 70.2 30 1623 15 52 31 15 53 30 J2058+1512 01 07 34 31.5 273.2 4.1 69.7 24 1623 15 53 30 15 56 20 --- 01 10 25 30.8 273.4 4.2 69.7 170 1667 15 53 31 15 56 50 J2052+1619 01 10 55 29.7 275.3 4.3 70.1 24 1667 15 56 50 15 57 20 --- 01 11 25 29.6 275.3 4.3 70.1 30 1674 15 56 51 15 57 50 AT2019DSG 01 11 55 29.8 272.7 4.2 69.1 23 1674 15 57 50 16 00 40 --- 01 14 45 29.1 273.0 4.3 69.0 170 1718 15 57 51 16 01 10 J2052+1619 01 15 16 28.8 275.7 4.4 70.0 23 1718 16 01 10 16 01 40 --- 01 15 46 28.7 275.7 4.4 70.0 30 1726 16 01 11 16 02 10 AT2019DSG 01 16 16 28.8 273.1 4.3 69.0 23 1726 16 02 10 16 05 00 --- 01 19 06 28.1 273.4 4.4 69.0 170 1769 16 02 11 16 05 30 J2052+1619 01 19 36 27.8 276.1 4.4 69.9 23 1769 16 05 30 16 06 00 --- 01 20 06 27.7 276.2 4.4 69.9 30 1777 16 05 31 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 16 06 30 AT2019DSG 01 20 36 27.8 273.5 4.4 68.9 23 1777 16 06 30 16 09 20 --- 01 23 27 27.2 273.8 4.4 68.9 170 1821 16 06 31 16 09 50 J2052+1619 01 23 57 26.8 276.5 4.5 69.8 23 1821 16 09 50 16 10 20 --- 01 24 27 26.7 276.6 4.5 69.8 30 1828 16 09 51 16 10 50 AT2019DSG 01 24 57 26.8 274.0 4.4 68.9 23 1828 16 10 50 16 13 40 --- 01 27 48 26.2 274.2 4.5 68.8 170 1872 16 10 51 16 14 10 J2052+1619 01 28 18 25.8 276.9 4.6 69.7 23 1872 16 14 10 16 14 40 --- 01 28 48 25.7 277.0 4.6 69.7 30 1879 16 14 11 16 15 10 AT2019DSG 01 29 18 25.8 274.4 4.5 68.8 23 1879 16 15 10 16 18 00 --- 01 32 08 25.2 274.7 4.6 68.7 170 1923 16 15 11 ---------- 50s gap for Tsys ---------- 16 18 50 J2052+1619 01 32 58 24.8 277.3 4.7 69.5 43 1923 16 18 50 16 19 20 --- 01 33 28 24.7 277.4 4.7 69.5 30 1931 16 18 51 16 19 50 J2058+1512 01 33 59 25.5 275.7 4.6 69.2 24 1931 16 19 50 16 22 40 --- 01 36 49 24.9 276.0 4.6 69.1 170 1974 16 19 51 16 23 10 J2052+1619 01 37 19 23.8 277.7 4.7 69.4 24 1974 16 23 10 16 23 40 --- 01 37 49 23.7 277.8 4.7 69.4 30 1982 16 23 11 16 24 10 AT2019DSG 01 38 19 23.8 275.3 4.7 68.6 23 1982 16 24 10 16 27 00 --- 01 41 10 23.2 275.5 4.7 68.5 170 2026 16 24 11 16 27 30 J2052+1619 01 41 40 22.8 278.1 4.8 69.2 23 2026 16 27 30 16 28 00 --- 01 42 10 22.7 278.2 4.8 69.2 30 2033 16 27 31 16 28 30 AT2019DSG 01 42 40 22.8 275.7 4.7 68.5 23 2033 16 28 30 16 31 20 --- 01 45 30 22.2 276.0 4.8 68.4 170 2077 16 28 31 16 31 50 J2052+1619 01 46 01 21.9 278.5 4.9 69.1 23 2077 16 31 50 16 32 20 --- 01 46 31 21.7 278.6 4.9 69.1 30 2085 16 31 51 16 32 50 AT2019DSG 01 47 01 21.8 276.1 4.8 68.4 23 2085 16 32 50 16 35 40 --- 01 49 51 21.2 276.4 4.9 68.3 170 2128 16 32 51 16 36 10 J2052+1619 01 50 21 20.9 278.9 4.9 68.9 23 2128 16 36 10 16 36 40 --- 01 50 51 20.8 279.0 5.0 68.9 30 2136 16 36 11 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 16 37 10 AT2019DSG 01 51 21 20.9 276.5 4.9 68.3 23 2136 16 37 10 16 40 00 --- 01 54 12 20.2 276.8 4.9 68.2 170 2179 16 37 11 16 40 30 J2052+1619 01 54 42 19.9 279.3 5.0 68.8 23 2179 16 40 30 16 41 00 --- 01 55 12 19.8 279.4 5.0 68.7 30 2187 16 40 31 16 41 30 AT2019DSG 01 55 42 19.9 276.9 5.0 68.2 23 2187 16 41 30 16 44 20 --- 01 58 33 19.2 277.2 5.0 68.1 170 2231 16 41 31 ---------- 50s gap for Tsys ---------- 16 45 10 J2052+1619 01 59 23 18.9 279.8 5.1 68.6 43 2231 16 45 10 16 45 40 --- 01 59 53 18.8 279.8 5.1 68.5 30 2238 16 45 11 16 46 10 J2058+1512 02 00 23 19.6 278.2 5.0 68.4 24 2238 16 46 10 16 49 00 --- 02 03 13 18.9 278.5 5.1 68.3 170 2282 16 46 11 16 49 30 J2052+1619 02 03 43 17.9 280.2 5.2 68.4 24 2282 16 49 30 16 50 00 --- 02 04 14 17.8 280.2 5.2 68.4 30 2290 16 49 31 16 50 30 AT2019DSG 02 04 44 17.9 277.8 5.1 67.9 24 2290 16 50 30 16 53 20 --- 02 07 34 17.2 278.1 5.2 67.8 170 2333 16 50 31 16 53 50 J2052+1619 02 08 04 16.9 280.6 5.2 68.2 24 2333 16 53 50 16 54 20 --- 02 08 34 16.8 280.6 5.2 68.2 30 2341 16 53 51 16 54 50 AT2019DSG 02 09 04 16.9 278.2 5.2 67.7 24 2341 16 54 50 16 57 40 --- 02 11 55 16.2 278.5 5.2 67.6 170 2385 16 54 51 16 58 10 J2052+1619 02 12 25 16.0 281.0 5.3 68.0 24 2385 16 58 10 16 58 40 --- 02 12 55 15.8 281.0 5.3 68.0 30 2392 16 58 11 16 59 10 AT2019DSG 02 13 25 15.9 278.6 5.3 67.6 24 2392 16 59 10 17 02 00 --- 02 16 15 15.3 278.9 5.3 67.5 170 2436 16 59 11 17 02 30 J2052+1619 02 16 46 15.0 281.4 5.4 67.8 24 2436 17 02 30 17 03 00 --- 02 17 16 14.9 281.4 5.4 67.8 30 2444 17 02 31 17 03 30 AT2019DSG 02 17 46 14.9 279.1 5.3 67.4 24 2444 17 03 30 17 06 20 --- 02 20 36 14.3 279.3 5.4 67.3 170 2487 17 03 31 17 06 50 J2052+1619 02 21 06 14.0 281.8 5.5 67.6 24 2487 17 06 50 17 07 20 --- 02 21 36 13.9 281.9 5.5 67.6 30 2495 17 06 51 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 17 07 50 AT2019DSG 02 22 06 14.0 279.5 5.4 67.3 24 2495 17 07 50 17 10 40 --- 02 24 57 13.3 279.7 5.4 67.1 170 2538 17 07 51 ---------- 50s gap for Tsys ---------- 17 11 30 J2052+1619 02 25 47 13.0 282.3 5.5 67.4 44 2538 17 11 30 17 12 00 --- 02 26 17 12.9 282.3 5.5 67.4 30 2546 17 11 31 17 12 30 J2058+1512 02 26 47 13.7 280.7 5.5 67.4 24 2546 17 12 30 17 15 20 --- 02 29 38 13.0 281.0 5.5 67.2 170 2590 17 12 31 17 15 50 J2052+1619 02 30 08 12.0 282.7 5.6 67.2 24 2590 17 15 50 17 16 20 --- 02 30 38 11.9 282.7 5.6 67.1 30 2597 17 15 51 17 16 50 AT2019DSG 02 31 08 11.9 280.3 5.6 66.9 24 2597 17 16 50 17 19 40 --- 02 33 58 11.3 280.6 5.6 66.8 170 2641 17 16 51 17 20 10 J2052+1619 02 34 28 11.1 283.1 5.7 66.9 24 2641 17 20 10 17 20 40 --- 02 34 59 11.0 283.1 5.7 66.9 30 2649 17 20 11 17 21 10 AT2019DSG 02 35 29 11.0 280.8 5.6 66.7 24 2649 17 21 10 17 24 00 --- 02 38 19 10.3 281.0 5.7 66.6 170 2692 17 21 11 17 24 30 J2052+1619 02 38 49 10.1 283.5 5.8 66.7 24 2692 17 24 30 17 25 00 --- 02 39 19 10.0 283.5 5.8 66.7 30 2700 17 24 31 17 25 30 AT2019DSG 02 39 49 10.0 281.2 5.7 66.5 24 2700 17 25 30 17 28 20 --- 02 42 40 9.4 281.5 5.7 66.4 170 2744 17 25 31 17 28 50 J2052+1619 02 43 10 9.2 283.9 5.8 66.5 24 2744 17 28 50 17 29 20 --- 02 43 40 9.0 284.0 5.8 66.4 30 2751 17 28 51 17 29 50 AT2019DSG 02 44 10 9.0 281.6 5.8 66.3 24 2751 17 29 50 17 32 40 --- 02 47 01 8.4 281.9 5.8 66.2 170 2795 17 29 51 17 33 10 J2052+1619 02 47 31 8.2 284.3 5.9 66.2 24 2795 17 33 10 17 33 40 --- 02 48 01 8.1 284.4 5.9 66.2 30 2803 17 33 11 17 34 10 AT2019DSG 02 48 31 8.1 282.0 5.8 66.1 24 2803 17 34 10 17 37 00 --- 02 51 21 7.5 282.3 5.9 66.0 170 2846 17 34 11 ---------- Main calibrator ---------- 17 37 30 J2052+1619 02 51 51 7.3 284.8 6.0 66.0 24 2846 17 37 30 17 38 00 --- 02 52 21 7.1 284.8 6.0 65.9 30 2854 17 37 31 Schedule for KUNMING (Code Km ) 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 ---------------------------------------------------------------------------------------- --- Sun 27 Oct 2019 Day 300 --- 17 38 30 J2058+1512 02 52 51 7.9 283.2 5.9 66.1 24 2854 17 38 30 17 41 20 --- 02 55 42 7.3 283.5 5.9 66.0 170 2897 17 38 31 17 41 50 J2052+1619 02 56 12 6.3 285.2 6.0 65.7 24 2897 17 41 50 17 42 20 --- 02 56 42 6.2 285.2 6.1 65.7 30 2905 17 41 51 ---------- Ef out to check pointing ---------- 17 45 20 3C454.3 02 59 43 32.5 273.9 4.1 70.3 137 2905 17 45 20 17 50 20 --- 03 04 43 31.4 274.4 4.2 70.2 300 2982 17 45 21 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.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: 13 Station: KUNMING 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= 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 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 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 15 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= 630.49 630.49 630.49 630.49 694.49 694.49 694.49 694.49 758.49 758.49 758.49 758.49 822.49 822.49 822.49 822.49 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: 15 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 58.253506 12.00 14 00 40.58052 * 14 12 16.28980 14 17 01.31417 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 40.810520 2.08 15 00 32.08468 * 15 12 13.18646 15 17 00.56752 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 38.046526 0.14 16 08 26.79250 * 16 19 48.82816 16 24 29.19769 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 36.743365 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 42.50372 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 56.266393 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 18.84000 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 sess319.C2048 1 2 3 4 5 6 7 8 9 10 11 15 4.014 322.893 J2058+1512 sess319.C2048 1 2 3 4 5 6 7 8 9 10 11 15 0.897 72.496 J2052+1619 sess319.C2048 1 2 3 4 5 6 7 8 9 10 11 15 0.950 71.733 3C345 sess319.C2048 1 2 3 4 5 7 8 9 10 11 15 0.083 7.583 3C454.3 sess319.C2048 1 2 4 5 6 7 8 9 10 11 15 0.083 7.583 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 105.3 J2058+1512 105.8 J2052+1619 104.6 3C345 64.0 3C454.3 133.5 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