COVER INFORMATION Station: TIANMA65 (Code T6 ) 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 TIANMA65 (Code T6 ) 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 23 57 02 7.1 -47.3 7.2 55.0 0 0 13 30 00 13 35 00 --- 00 02 03 6.3 -46.7 7.3 D 54.2 0 77 13 30 01 13 45 10 J2052+1619 00 12 15 42.7 263.8 3.3 62.6 -13 77 13 45 10 13 45 40 --- 00 12 45 42.6 263.9 3.3 62.6 17 85 13 45 11 13 46 10 AT2019DSG 00 13 15 42.4 260.8 3.3 60.7 22 85 13 46 10 13 49 00 --- 00 16 05 41.8 261.2 3.3 60.9 170 129 13 46 11 13 49 30 J2052+1619 00 16 35 41.7 264.5 3.4 62.7 22 129 13 49 30 13 50 00 --- 00 17 06 41.6 264.6 3.4 62.7 30 137 13 49 31 13 50 30 AT2019DSG 00 17 36 41.4 261.5 3.3 60.9 22 137 13 50 30 13 53 20 --- 00 20 26 40.8 261.9 3.4 61.0 170 180 13 50 31 13 53 50 J2052+1619 00 20 56 40.8 265.1 3.5 62.8 22 180 13 53 50 13 54 20 --- 00 21 26 40.7 265.2 3.5 62.8 30 188 13 53 51 13 54 50 AT2019DSG 00 21 56 40.5 262.2 3.4 61.1 22 188 13 54 50 13 57 40 --- 00 24 47 39.9 262.6 3.4 61.2 170 232 13 54 51 13 58 10 J2052+1619 00 25 17 39.9 265.8 3.5 62.9 22 232 13 58 10 13 58 40 --- 00 25 47 39.8 265.8 3.5 62.9 30 240 13 58 11 13 59 10 AT2019DSG 00 26 17 39.6 262.8 3.5 61.3 22 240 13 59 10 14 02 00 --- 00 29 08 39.0 263.2 3.5 61.3 170 283 13 59 11 14 02 30 J2052+1619 00 29 38 39.0 266.4 3.6 63.0 22 283 14 02 30 14 03 00 --- 00 30 08 38.9 266.4 3.6 63.0 30 291 14 02 31 14 03 30 AT2019DSG 00 30 38 38.7 263.5 3.5 61.4 22 291 14 03 30 14 06 20 --- 00 33 28 38.1 263.9 3.6 61.5 170 335 14 03 31 ---------- 50s gap for Tsys ---------- 14 07 10 J2052+1619 00 34 18 38.0 267.0 3.7 63.1 42 335 14 07 10 14 07 40 --- 00 34 48 37.8 267.1 3.7 63.1 30 343 14 07 11 Schedule for TIANMA65 (Code T6 ) 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 08 10 J2058+1512 00 35 19 38.5 265.0 3.6 62.2 24 343 14 08 10 14 11 00 --- 00 38 09 37.9 265.4 3.6 62.2 170 386 14 08 11 14 11 30 J2052+1619 00 38 39 37.0 267.6 3.8 63.1 24 386 14 11 30 14 12 00 --- 00 39 09 36.9 267.7 3.8 63.1 30 394 14 11 31 14 12 30 AT2019DSG 00 39 39 36.8 264.8 3.7 61.6 22 394 14 12 30 14 15 20 --- 00 42 30 36.1 265.2 3.7 61.7 170 438 14 12 31 14 15 50 J2052+1619 00 43 00 36.1 268.2 3.8 63.2 22 438 14 15 50 14 16 20 --- 00 43 30 36.0 268.3 3.8 63.2 30 446 14 15 51 14 16 50 AT2019DSG 00 44 00 35.8 265.4 3.8 61.7 22 446 14 16 50 14 19 40 --- 00 46 50 35.2 265.8 3.8 61.8 170 490 14 16 51 14 20 10 J2052+1619 00 47 21 35.2 268.8 3.9 63.2 22 490 14 20 10 14 20 40 --- 00 47 51 35.1 268.8 3.9 63.2 30 497 14 20 11 14 21 10 AT2019DSG 00 48 21 34.9 266.0 3.8 61.8 22 497 14 21 10 14 24 00 --- 00 51 11 34.3 266.4 3.9 61.9 170 541 14 21 11 14 24 30 J2052+1619 00 51 41 34.2 269.3 4.0 63.2 22 541 14 24 30 14 25 00 --- 00 52 11 34.1 269.4 4.0 63.2 30 549 14 24 31 14 25 30 AT2019DSG 00 52 41 34.0 266.6 3.9 61.9 22 549 14 25 30 14 28 20 --- 00 55 32 33.4 267.0 4.0 61.9 170 593 14 25 31 14 28 50 J2052+1619 00 56 02 33.3 269.9 4.0 63.2 22 593 14 28 50 14 29 20 --- 00 56 32 33.2 270.0 4.0 63.2 30 600 14 28 51 14 29 50 AT2019DSG 00 57 02 33.0 267.2 4.0 62.0 22 600 14 29 50 14 32 40 --- 00 59 53 32.4 267.6 4.0 62.0 170 644 14 29 51 ---------- 50s gap for Tsys ---------- 14 33 30 J2052+1619 01 00 43 32.3 270.5 4.1 63.2 42 644 14 33 30 14 34 00 --- 01 01 13 32.2 270.6 4.1 63.2 30 652 14 33 31 14 34 30 J2058+1512 01 01 43 32.9 268.7 4.0 62.6 24 652 14 34 30 14 37 20 --- 01 04 33 32.3 269.0 4.1 62.6 170 696 14 34 31 14 37 50 J2052+1619 01 05 03 31.4 271.1 4.2 63.2 24 696 14 37 50 14 38 20 --- 01 05 34 31.3 271.1 4.2 63.2 30 703 14 37 51 Schedule for TIANMA65 (Code T6 ) 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 38 50 AT2019DSG 01 06 04 31.1 268.4 4.1 62.0 22 703 14 38 50 14 41 40 --- 01 08 54 30.5 268.8 4.2 62.1 170 747 14 38 51 14 42 10 J2052+1619 01 09 24 30.4 271.6 4.3 63.2 22 747 14 42 10 14 42 40 --- 01 09 54 30.3 271.7 4.3 63.2 30 755 14 42 11 14 43 10 AT2019DSG 01 10 24 30.2 269.0 4.2 62.1 23 755 14 43 10 14 46 00 --- 01 13 15 29.6 269.4 4.3 62.1 170 799 14 43 11 14 46 30 J2052+1619 01 13 45 29.5 272.2 4.3 63.1 23 799 14 46 30 14 47 00 --- 01 14 15 29.4 272.2 4.3 63.1 30 806 14 46 31 14 47 30 AT2019DSG 01 14 45 29.3 269.6 4.3 62.1 23 806 14 47 30 14 50 20 --- 01 17 35 28.6 269.9 4.3 62.1 170 850 14 47 31 14 50 50 J2052+1619 01 18 06 28.6 272.7 4.4 63.1 23 850 14 50 50 14 51 20 --- 01 18 36 28.5 272.8 4.4 63.1 30 858 14 50 51 14 51 50 AT2019DSG 01 19 06 28.3 270.1 4.4 62.1 23 858 14 51 50 14 54 40 --- 01 21 56 27.7 270.5 4.4 62.1 170 902 14 51 51 14 55 10 J2052+1619 01 22 26 27.7 273.2 4.5 63.0 23 902 14 55 10 14 55 40 --- 01 22 56 27.6 273.3 4.5 63.0 30 909 14 55 11 14 56 10 AT2019DSG 01 23 26 27.4 270.7 4.4 62.1 23 909 14 56 10 14 59 00 --- 01 26 17 26.8 271.1 4.5 62.1 170 953 14 56 11 ---------- 50s gap for Tsys ---------- 14 59 50 J2052+1619 01 27 07 26.7 273.8 4.6 63.0 43 953 14 59 50 15 00 20 --- 01 27 37 26.6 273.9 4.6 63.0 30 961 14 59 51 15 00 50 J2058+1512 01 28 07 27.2 272.1 4.5 62.5 24 961 15 00 50 15 03 40 --- 01 30 58 26.6 272.4 4.5 62.5 170 1005 15 00 51 15 04 10 J2052+1619 01 31 28 25.7 274.3 4.6 62.9 24 1005 15 04 10 15 04 40 --- 01 31 58 25.6 274.4 4.6 62.9 30 1013 15 04 11 15 05 10 AT2019DSG 01 32 28 25.5 271.8 4.6 62.0 23 1013 15 05 10 15 08 00 --- 01 35 18 24.9 272.2 4.6 62.0 170 1056 15 05 11 15 08 30 J2052+1619 01 35 48 24.8 274.9 4.7 62.8 23 1056 15 08 30 15 09 00 --- 01 36 19 24.7 274.9 4.7 62.8 30 1064 15 08 31 Schedule for TIANMA65 (Code T6 ) 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 09 30 AT2019DSG 01 36 49 24.5 272.4 4.6 62.0 23 1064 15 09 30 15 12 20 --- 01 39 39 23.9 272.7 4.7 62.0 170 1108 15 09 31 15 12 50 J2052+1619 01 40 09 23.9 275.4 4.8 62.7 23 1108 15 12 50 15 13 20 --- 01 40 39 23.8 275.4 4.8 62.7 30 1116 15 12 51 15 13 50 AT2019DSG 01 41 09 23.6 272.9 4.7 61.9 23 1116 15 13 50 15 16 40 --- 01 44 00 23.0 273.3 4.8 61.9 170 1159 15 13 51 15 17 10 J2052+1619 01 44 30 23.0 275.9 4.8 62.6 23 1159 15 17 10 15 17 40 --- 01 45 00 22.8 276.0 4.9 62.6 30 1167 15 17 11 15 18 10 AT2019DSG 01 45 30 22.7 273.5 4.8 61.9 23 1167 15 18 10 15 21 00 --- 01 48 21 22.1 273.8 4.8 61.8 170 1211 15 18 11 15 21 30 J2052+1619 01 48 51 22.0 276.4 4.9 62.5 23 1211 15 21 30 15 22 00 --- 01 49 21 21.9 276.5 4.9 62.5 30 1219 15 21 31 15 22 30 AT2019DSG 01 49 51 21.7 274.0 4.9 61.8 23 1219 15 22 30 15 25 20 --- 01 52 41 21.1 274.3 4.9 61.8 170 1262 15 22 31 ---------- 50s gap for Tsys ---------- 15 26 10 J2052+1619 01 53 31 21.0 277.0 5.0 62.4 43 1262 15 26 10 15 26 40 --- 01 54 01 20.9 277.0 5.0 62.4 30 1270 15 26 11 15 27 10 J2058+1512 01 54 32 21.6 275.3 4.9 62.1 24 1270 15 27 10 15 30 00 --- 01 57 22 21.0 275.7 5.0 62.1 170 1314 15 27 11 15 30 30 J2052+1619 01 57 52 20.1 277.5 5.1 62.3 24 1314 15 30 30 15 31 00 --- 01 58 22 20.0 277.6 5.1 62.2 30 1322 15 30 31 15 31 30 AT2019DSG 01 58 52 19.8 275.1 5.0 61.7 23 1322 15 31 30 15 34 20 --- 02 01 43 19.2 275.4 5.1 61.6 170 1365 15 31 31 15 34 50 J2052+1619 02 02 13 19.2 278.0 5.1 62.1 23 1365 15 34 50 15 35 20 --- 02 02 43 19.1 278.1 5.2 62.1 30 1373 15 34 51 15 35 50 AT2019DSG 02 03 13 18.9 275.6 5.1 61.6 23 1373 15 35 50 15 38 40 --- 02 06 03 18.3 276.0 5.1 61.5 170 1417 15 35 51 15 39 10 J2052+1619 02 06 34 18.3 278.5 5.2 62.0 23 1417 15 39 10 15 39 40 --- 02 07 04 18.2 278.6 5.2 62.0 30 1425 15 39 11 Schedule for TIANMA65 (Code T6 ) 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 40 10 AT2019DSG 02 07 34 18.0 276.2 5.2 61.5 23 1425 15 40 10 15 43 00 --- 02 10 24 17.4 276.5 5.2 61.4 170 1469 15 40 11 15 43 30 J2052+1619 02 10 54 17.3 279.0 5.3 61.8 23 1469 15 43 30 15 44 00 --- 02 11 24 17.2 279.1 5.3 61.8 30 1476 15 43 31 15 44 30 AT2019DSG 02 11 54 17.0 276.7 5.2 61.4 23 1476 15 44 30 15 47 20 --- 02 14 45 16.4 277.0 5.3 61.3 170 1520 15 44 31 15 47 50 J2052+1619 02 15 15 16.4 279.6 5.4 61.7 23 1520 15 47 50 15 48 20 --- 02 15 45 16.3 279.6 5.4 61.7 30 1528 15 47 51 15 48 50 AT2019DSG 02 16 15 16.1 277.2 5.3 61.2 23 1528 15 48 50 15 51 40 --- 02 19 06 15.5 277.6 5.4 61.2 170 1572 15 48 51 ---------- 50s gap for Tsys ---------- 15 52 30 J2052+1619 02 19 56 15.4 280.1 5.4 61.5 43 1572 15 52 30 15 53 00 --- 02 20 26 15.3 280.2 5.4 61.5 30 1579 15 52 31 15 53 30 J2058+1512 02 20 56 16.0 278.5 5.4 61.4 25 1579 15 53 30 15 56 20 --- 02 23 46 15.4 278.8 5.4 61.3 170 1623 15 53 31 15 56 50 J2052+1619 02 24 16 14.5 280.6 5.5 61.3 24 1623 15 56 50 15 57 20 --- 02 24 46 14.4 280.7 5.5 61.3 30 1631 15 56 51 15 57 50 AT2019DSG 02 25 17 14.2 278.3 5.5 61.0 23 1631 15 57 50 16 00 40 --- 02 28 07 13.6 278.7 5.5 60.9 170 1675 15 57 51 16 01 10 J2052+1619 02 28 37 13.6 281.1 5.6 61.1 23 1675 16 01 10 16 01 40 --- 02 29 07 13.5 281.2 5.6 61.1 30 1682 16 01 11 16 02 10 AT2019DSG 02 29 37 13.3 278.8 5.5 60.8 23 1682 16 02 10 16 05 00 --- 02 32 28 12.7 279.2 5.6 60.7 170 1726 16 02 11 16 05 30 J2052+1619 02 32 58 12.7 281.7 5.7 61.0 23 1726 16 05 30 16 06 00 --- 02 33 28 12.6 281.7 5.7 60.9 30 1734 16 05 31 16 06 30 AT2019DSG 02 33 58 12.4 279.4 5.6 60.7 23 1734 16 06 30 16 09 20 --- 02 36 48 11.8 279.7 5.6 60.6 170 1778 16 06 31 16 09 50 J2052+1619 02 37 19 11.8 282.2 5.7 60.8 23 1778 16 09 50 16 10 20 --- 02 37 49 11.7 282.2 5.7 60.7 30 1785 16 09 51 Schedule for TIANMA65 (Code T6 ) 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 10 50 AT2019DSG 02 38 19 11.4 279.9 5.7 60.5 23 1785 16 10 50 16 13 40 --- 02 41 09 10.9 280.2 5.7 60.4 170 1829 16 10 51 16 14 10 J2052+1619 02 41 39 10.9 282.7 5.8 60.6 23 1829 16 14 10 16 14 40 --- 02 42 09 10.8 282.8 5.8 60.5 30 1837 16 14 11 16 15 10 AT2019DSG 02 42 39 10.5 280.4 5.7 60.4 23 1837 16 15 10 16 18 00 --- 02 45 30 9.9 280.8 5.8 60.2 170 1881 16 15 11 ---------- 50s gap for Tsys ---------- 16 18 50 J2052+1619 02 46 20 9.9 283.3 5.9 60.3 43 1881 16 18 50 16 19 20 --- 02 46 50 9.8 283.3 5.9 60.3 30 1888 16 18 51 16 19 50 J2058+1512 02 47 20 10.4 281.7 5.8 60.4 25 1888 16 19 50 16 22 40 --- 02 50 11 9.8 282.0 5.8 60.3 170 1932 16 19 51 16 23 10 J2052+1619 02 50 41 9.0 283.8 6.0 60.1 25 1932 16 23 10 16 23 40 --- 02 51 11 8.9 283.9 6.0 60.1 30 1940 16 23 11 16 24 10 AT2019DSG 02 51 41 8.6 281.5 5.9 60.0 23 1940 16 24 10 16 27 00 --- 02 54 31 8.0 281.9 5.9 59.9 170 1984 16 24 11 16 27 30 J2052+1619 02 55 01 8.1 284.3 6.0 59.9 23 1984 16 27 30 16 28 00 --- 02 55 32 8.0 284.4 6.0 59.9 30 1992 16 27 31 16 28 30 AT2019DSG 02 56 02 7.7 282.1 6.0 59.8 23 1992 16 28 30 16 31 20 --- 02 58 52 7.1 282.4 6.0 59.7 170 2035 16 28 31 16 31 50 J2052+1619 02 59 22 7.2 284.9 6.1 59.6 23 2035 16 31 50 16 32 20 --- 02 59 52 7.1 284.9 6.1 59.6 30 2043 16 31 51 ---------- Ef out to check pointing ---------- 17 45 20 3C454.3 04 13 04 17.1 279.0 5.3 61.8 4276 2043 17 45 20 17 50 20 --- 04 18 05 16.0 279.6 5.4 61.6 300 2120 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: 14 Station: TIANMA65 Total bit rate: 2048 Format: VDIF 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 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: 6 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: 6 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 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