COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: Study of a potential gravitational lens system at milliarcsecond scales Exp. Code: EA075 Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Diego Alvarez-Ortega Address: Institute of Astrophysics - FORTH N. Plastira 100 Vassilika Vouton Greece Phone: +302810394236 EMAIL: dalvarez@physics.uoc.gr Fax: Phone during observation: +34615500245 Observing mode: vlbi Notes: COVER LETTER: Schedule for TIANMA65 (Code T6 ) Page 2 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- Next scan frequencies: 22024.00 22024.00 22024.00 22024.00 22088.00 22088.00 22088.00 22088.00 22152.00 22152.00 22152.00 22152.00 22216.00 22216.00 22216.00 22216.00 22280.00 22280.00 22280.00 22280.00 22344.00 22344.00 22344.00 22344.00 22408.00 22408.00 22408.00 22408.00 22472.00 22472.00 22472.00 22472.00 Next BBC frequencies: 544.00 544.00 544.00 544.00 608.00 608.00 608.00 608.00 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 928.00 928.00 928.00 928.00 992.00 992.00 992.00 992.00 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 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 19 00 00 J1159+2914 14 32 09 57.4 276.4 2.5 76.9 0 0 19 00 00 19 02 00 =1156+295 14 34 09 56.9 276.6 2.6 76.8 120 62 19 00 01 19 04 00 1146+189 14 36 09 50.5 261.5 2.8 63.3 87 62 19 04 00 19 05 10 --- 14 37 19 50.3 261.7 2.8 63.3 70 98 19 04 01 19 05 10 J1143+1834 14 37 19 49.1 262.4 2.9 63.5 -7 98 No stop 19 06 40 --- 14 38 50 48.8 262.6 2.9 63.5 83 144 19 05 11 19 06 40 1146+189 14 38 50 49.9 261.9 2.8 63.4 -7 144 No stop 19 08 10 --- 14 40 20 49.6 262.2 2.8 63.5 83 191 19 06 41 19 08 10 J1143+1834 14 40 20 48.5 262.9 2.9 63.6 -7 191 No stop 19 09 40 --- 14 41 50 48.2 263.1 3.0 63.7 83 237 19 08 11 19 10 10 1146+189 14 42 20 49.2 262.5 2.9 63.6 23 237 19 10 10 19 11 10 --- 14 43 20 49.0 262.7 2.9 63.6 60 268 19 10 11 19 11 10 J1143+1834 14 43 20 47.8 263.4 3.0 63.7 -7 268 No stop 19 12 40 --- 14 44 51 47.5 263.6 3.0 63.8 83 314 19 11 11 19 12 40 1146+189 14 44 51 48.7 262.9 2.9 63.7 -7 314 No stop 19 14 10 --- 14 46 21 48.3 263.1 2.9 63.7 83 361 19 12 41 19 14 10 J1143+1834 14 46 21 47.2 263.8 3.0 63.8 -7 361 No stop 19 15 40 --- 14 47 51 46.9 264.1 3.1 63.9 83 407 19 14 11 19 16 10 1146+189 14 48 21 47.9 263.5 3.0 63.8 23 407 19 16 10 19 17 10 --- 14 49 21 47.7 263.6 3.0 63.8 60 438 19 16 11 19 17 10 J1143+1834 14 49 21 46.6 264.3 3.1 63.9 -7 438 No stop 19 18 40 --- 14 50 52 46.2 264.5 3.1 64.0 83 484 19 17 11 Schedule for TIANMA65 (Code T6 ) Page 3 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 19 18 40 1146+189 14 50 52 47.4 263.8 3.0 63.9 -7 484 No stop 19 20 10 --- 14 52 22 47.1 264.1 3.0 63.9 83 531 19 18 41 19 20 10 J1143+1834 14 52 22 45.9 264.7 3.1 64.0 -7 531 No stop 19 21 40 --- 14 53 52 45.6 265.0 3.2 64.1 83 577 19 20 11 19 22 10 1146+189 14 54 22 46.6 264.4 3.1 64.0 23 577 19 22 10 19 23 10 --- 14 55 22 46.4 264.5 3.1 64.0 60 608 19 22 11 19 23 10 J1143+1834 14 55 22 45.3 265.2 3.2 64.1 -7 608 No stop 19 24 40 --- 14 56 53 45.0 265.4 3.2 64.1 83 654 19 23 11 19 24 40 1146+189 14 56 53 46.1 264.8 3.1 64.1 -7 654 No stop 19 26 10 --- 14 58 23 45.8 265.0 3.1 64.1 83 701 19 24 41 19 26 10 J1143+1834 14 58 23 44.6 265.6 3.2 64.2 -7 701 No stop 19 27 40 --- 14 59 53 44.3 265.8 3.3 64.2 83 747 19 26 11 19 28 10 1146+189 15 00 23 45.3 265.3 3.2 64.2 23 747 19 28 10 19 29 10 --- 15 01 23 45.1 265.4 3.2 64.2 60 778 19 28 11 19 29 10 J1143+1834 15 01 23 44.0 266.1 3.3 64.2 -7 778 No stop 19 30 40 --- 15 02 54 43.7 266.3 3.3 64.3 83 824 19 29 11 19 30 40 1146+189 15 02 54 44.8 265.6 3.2 64.2 -7 824 No stop 19 32 10 --- 15 04 24 44.5 265.9 3.2 64.3 83 871 19 30 41 19 32 10 J1143+1834 15 04 24 43.3 266.5 3.3 64.3 -7 871 No stop 19 33 40 --- 15 05 54 43.0 266.7 3.4 64.3 83 917 19 32 11 19 34 10 1146+189 15 06 24 44.1 266.2 3.3 64.3 23 917 19 34 10 19 35 10 --- 15 07 24 43.9 266.3 3.3 64.3 60 948 19 34 11 19 35 10 J1143+1834 15 07 24 42.7 266.9 3.4 64.3 -7 948 No stop 19 36 40 --- 15 08 55 42.4 267.1 3.4 64.4 83 994 19 35 11 19 36 40 1146+189 15 08 55 43.5 266.5 3.3 64.4 -7 994 No stop 19 38 10 --- 15 10 25 43.2 266.7 3.3 64.4 83 1041 19 36 41 19 38 10 J1143+1834 15 10 25 42.1 267.3 3.4 64.4 -7 1041 No stop 19 39 40 --- 15 11 55 41.7 267.5 3.5 64.4 83 1087 19 38 11 19 40 10 1146+189 15 12 25 42.8 267.0 3.4 64.4 23 1087 19 40 10 19 41 10 --- 15 13 25 42.6 267.1 3.4 64.4 60 1118 19 40 11 Schedule for TIANMA65 (Code T6 ) Page 4 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 19 41 10 J1143+1834 15 13 25 41.4 267.7 3.5 64.4 -7 1118 No stop 19 42 40 --- 15 14 56 41.1 267.9 3.5 64.4 83 1165 19 41 11 19 42 40 1146+189 15 14 56 42.2 267.3 3.4 64.5 -7 1165 No stop 19 44 10 --- 15 16 26 41.9 267.6 3.4 64.5 83 1211 19 42 41 19 44 10 J1143+1834 15 16 26 40.8 268.2 3.5 64.5 -7 1211 No stop 19 45 40 --- 15 17 56 40.4 268.4 3.6 64.5 83 1257 19 44 11 19 46 10 1146+189 15 18 26 41.5 267.8 3.5 64.5 23 1257 19 46 10 19 47 10 --- 15 19 26 41.3 268.0 3.5 64.5 60 1288 19 46 11 19 47 10 J1143+1834 15 19 26 40.1 268.6 3.6 64.5 -7 1288 No stop 19 48 40 --- 15 20 57 39.8 268.8 3.6 64.5 83 1335 19 47 11 19 48 40 1146+189 15 20 57 41.0 268.2 3.5 64.5 -7 1335 No stop 19 50 10 --- 15 22 27 40.6 268.4 3.5 64.5 83 1381 19 48 41 19 50 10 J1143+1834 15 22 27 39.5 269.0 3.6 64.5 -7 1381 No stop 19 51 40 --- 15 23 57 39.2 269.2 3.7 64.5 83 1427 19 50 11 19 52 10 1146+189 15 24 27 40.2 268.6 3.6 64.5 23 1427 19 52 10 19 53 10 --- 15 25 27 40.0 268.8 3.6 64.6 60 1458 19 52 11 19 53 10 J1143+1834 15 25 27 38.8 269.4 3.7 64.5 -7 1458 No stop 19 54 40 --- 15 26 58 38.5 269.5 3.7 64.5 83 1505 19 53 11 19 54 40 1146+189 15 26 58 39.7 269.0 3.6 64.6 -7 1505 No stop 19 56 10 --- 15 28 28 39.3 269.2 3.6 64.6 83 1551 19 54 41 19 56 10 J1143+1834 15 28 28 38.2 269.7 3.7 64.5 -7 1551 No stop 19 57 40 --- 15 29 58 37.9 269.9 3.8 64.5 83 1597 19 56 11 19 58 10 1146+189 15 30 28 38.9 269.4 3.7 64.6 23 1597 19 58 10 19 59 10 --- 15 31 28 38.7 269.6 3.7 64.6 60 1628 19 58 11 19 59 10 J1143+1834 15 31 28 37.6 270.1 3.8 64.5 -7 1628 No stop 20 00 40 --- 15 32 58 37.2 270.3 3.8 64.5 83 1675 19 59 11 20 00 40 1146+189 15 32 58 38.4 269.8 3.7 64.6 -7 1675 No stop 20 02 10 --- 15 34 29 38.1 270.0 3.7 64.6 83 1721 20 00 41 20 02 10 J1143+1834 15 34 29 36.9 270.5 3.8 64.5 -7 1721 No stop 20 03 40 --- 15 35 59 36.6 270.7 3.9 64.5 83 1767 20 02 11 Schedule for TIANMA65 (Code T6 ) Page 5 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 20 04 10 1146+189 15 36 29 37.6 270.2 3.8 64.6 23 1767 20 04 10 20 05 10 --- 15 37 29 37.4 270.3 3.8 64.6 60 1798 20 04 11 20 05 10 J1143+1834 15 37 29 36.3 270.9 3.9 64.5 -7 1798 No stop 20 06 40 --- 15 38 59 35.9 271.1 3.9 64.5 83 1845 20 05 11 20 06 40 1146+189 15 38 59 37.1 270.5 3.8 64.6 -7 1845 No stop 20 08 10 --- 15 40 30 36.8 270.7 3.8 64.6 83 1891 20 06 41 20 08 10 J1143+1834 15 40 30 35.6 271.3 3.9 64.5 -7 1891 No stop 20 09 40 --- 15 42 00 35.3 271.5 4.0 64.5 83 1937 20 08 11 20 10 10 1146+189 15 42 30 36.3 271.0 3.9 64.6 23 1937 20 10 10 20 11 10 --- 15 43 30 36.1 271.1 3.9 64.6 60 1968 20 10 11 20 11 10 J1143+1834 15 43 30 35.0 271.7 4.0 64.5 -7 1968 No stop 20 12 40 --- 15 45 00 34.7 271.8 4.0 64.5 83 2015 20 11 11 20 12 40 1146+189 15 45 00 35.8 271.3 3.9 64.5 -7 2015 No stop 20 14 10 --- 15 46 31 35.5 271.5 3.9 64.5 83 2061 20 12 41 20 14 10 J1143+1834 15 46 31 34.3 272.0 4.0 64.4 -7 2061 No stop 20 15 40 --- 15 48 01 34.0 272.2 4.1 64.4 83 2107 20 14 11 20 16 10 1146+189 15 48 31 35.1 271.7 4.0 64.5 23 2107 20 16 10 20 17 10 --- 15 49 31 34.8 271.9 4.0 64.5 60 2138 20 16 11 20 17 10 J1143+1834 15 49 31 33.7 272.4 4.1 64.4 -7 2138 No stop 20 18 40 --- 15 51 01 33.4 272.6 4.1 64.4 83 2185 20 17 11 20 18 40 1146+189 15 51 01 34.5 272.0 4.0 64.5 -7 2185 No stop 20 20 10 --- 15 52 32 34.2 272.2 4.0 64.5 83 2231 20 18 41 20 20 10 J1143+1834 15 52 32 33.0 272.8 4.1 64.4 -7 2231 No stop 20 21 40 --- 15 54 02 32.7 273.0 4.2 64.4 83 2278 20 20 11 20 22 10 1146+189 15 54 32 33.8 272.5 4.1 64.5 23 2278 20 22 10 20 23 10 --- 15 55 32 33.6 272.6 4.1 64.5 60 2308 20 22 11 20 23 10 J1143+1834 15 55 32 32.4 273.1 4.2 64.3 -7 2308 No stop 20 24 40 --- 15 57 02 32.1 273.3 4.2 64.3 83 2355 20 23 11 20 24 40 1146+189 15 57 02 33.2 272.8 4.1 64.4 -7 2355 No stop 20 26 10 --- 15 58 33 32.9 273.0 4.1 64.4 83 2401 20 24 41 Schedule for TIANMA65 (Code T6 ) Page 6 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 20 26 10 J1143+1834 15 58 33 31.8 273.5 4.2 64.3 -7 2401 No stop 20 27 40 --- 16 00 03 31.4 273.7 4.3 64.3 83 2448 20 26 11 20 28 10 1146+189 16 00 33 32.5 273.2 4.2 64.4 23 2448 20 28 10 20 29 10 --- 16 01 33 32.3 273.3 4.2 64.4 60 2478 20 28 11 20 29 10 J1143+1834 16 01 33 31.1 273.9 4.3 64.2 -7 2478 No stop 20 30 40 --- 16 03 03 30.8 274.0 4.3 64.2 83 2525 20 29 11 20 30 40 1146+189 16 03 03 31.9 273.5 4.2 64.4 -7 2525 No stop 20 32 10 --- 16 04 34 31.6 273.7 4.2 64.3 83 2571 20 30 41 20 32 10 J1143+1834 16 04 34 30.5 274.2 4.3 64.2 -7 2571 No stop 20 33 40 --- 16 06 04 30.2 274.4 4.4 64.2 83 2618 20 32 11 20 34 10 1146+189 16 06 34 31.2 273.9 4.3 64.3 23 2618 20 34 10 20 35 10 --- 16 07 34 31.0 274.1 4.3 64.3 60 2649 20 34 11 20 35 10 J1143+1834 16 07 34 29.8 274.6 4.4 64.1 -7 2649 No stop 20 36 40 --- 16 09 04 29.5 274.8 4.4 64.1 83 2695 20 35 11 20 36 40 1146+189 16 09 04 30.7 274.2 4.3 64.3 -7 2695 No stop 20 38 10 --- 16 10 35 30.3 274.4 4.3 64.2 83 2741 20 36 41 20 38 10 J1143+1834 16 10 35 29.2 274.9 4.4 64.1 -7 2741 No stop 20 39 40 --- 16 12 05 28.9 275.1 4.5 64.0 83 2788 20 38 11 20 40 10 1146+189 16 12 35 29.9 274.7 4.4 64.2 23 2788 20 40 10 20 41 10 --- 16 13 35 29.7 274.8 4.4 64.2 60 2819 20 40 11 20 41 10 J1143+1834 16 13 35 28.5 275.3 4.5 64.0 -7 2819 No stop 20 42 40 --- 16 15 05 28.2 275.5 4.5 64.0 83 2865 20 41 11 20 42 40 1146+189 16 15 05 29.4 275.0 4.4 64.1 -7 2865 No stop 20 44 10 --- 16 16 36 29.1 275.1 4.4 64.1 83 2911 20 42 41 20 44 10 J1143+1834 16 16 36 27.9 275.7 4.5 63.9 -7 2911 No stop 20 45 40 --- 16 18 06 27.6 275.8 4.6 63.9 83 2958 20 44 11 20 46 10 1146+189 16 18 36 28.6 275.4 4.5 64.1 23 2958 20 46 10 20 47 10 --- 16 19 36 28.4 275.5 4.5 64.0 60 2989 20 46 11 20 47 10 J1143+1834 16 19 36 27.3 276.0 4.6 63.9 -7 2989 No stop 20 48 40 --- 16 21 06 26.9 276.2 4.6 63.8 83 3035 20 47 11 Schedule for TIANMA65 (Code T6 ) Page 7 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 20 48 40 1146+189 16 21 06 28.1 275.7 4.5 64.0 -7 3035 No stop 20 50 10 --- 16 22 37 27.8 275.8 4.5 64.0 83 3081 20 48 41 20 50 10 J1143+1834 16 22 37 26.6 276.4 4.6 63.8 -7 3081 No stop 20 51 40 --- 16 24 07 26.3 276.5 4.7 63.7 83 3128 20 50 11 20 52 10 1146+189 16 24 37 27.3 276.1 4.6 63.9 23 3128 20 52 10 20 53 10 --- 16 25 37 27.1 276.2 4.6 63.9 60 3159 20 52 11 ---------- fringe finder & EF pointing ---------- 21 01 10 J1159+2914 16 33 38 31.9 287.1 4.5 69.5 453 3159 21 01 10 21 05 10 =1156+295 16 37 39 31.1 287.4 4.6 69.2 240 3282 21 01 11 21 06 20 1146+189 16 38 49 24.3 277.7 4.8 63.5 41 3282 21 06 20 21 07 30 --- 16 39 59 24.1 277.9 4.8 63.5 70 3318 21 06 21 21 07 30 J1143+1834 16 39 59 22.9 278.4 4.9 63.3 -7 3318 No stop 21 09 00 --- 16 41 30 22.6 278.6 4.9 63.2 83 3365 21 07 31 21 09 00 1146+189 16 41 30 23.8 278.1 4.9 63.4 -6 3365 No stop 21 10 30 --- 16 43 00 23.4 278.2 4.9 63.4 84 3411 21 09 01 21 10 30 J1143+1834 16 43 00 22.3 278.7 5.0 63.2 -7 3411 No stop 21 12 00 --- 16 44 30 22.0 278.9 5.0 63.1 83 3458 21 10 31 21 12 30 1146+189 16 45 00 23.0 278.5 4.9 63.3 23 3458 21 12 30 21 13 30 --- 16 46 00 22.8 278.6 4.9 63.3 60 3488 21 12 31 21 13 30 J1143+1834 16 46 00 21.7 279.1 5.0 63.0 -7 3488 No stop 21 15 00 --- 16 47 31 21.3 279.3 5.0 63.0 83 3535 21 13 31 21 15 00 1146+189 16 47 31 22.5 278.7 5.0 63.2 -6 3535 No stop 21 16 30 --- 16 49 01 22.2 278.9 5.0 63.2 84 3581 21 15 01 21 16 30 J1143+1834 16 49 01 21.0 279.4 5.1 62.9 -7 3581 No stop 21 18 00 --- 16 50 31 20.7 279.6 5.1 62.9 83 3628 21 16 31 21 18 30 1146+189 16 51 01 21.7 279.2 5.0 63.1 24 3628 21 18 30 21 19 30 --- 16 52 01 21.5 279.3 5.0 63.0 60 3658 21 18 31 21 19 30 J1143+1834 16 52 01 20.4 279.8 5.1 62.8 -7 3658 No stop 21 21 00 --- 16 53 32 20.1 280.0 5.1 62.8 83 3705 21 19 31 Schedule for TIANMA65 (Code T6 ) Page 8 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 21 21 00 1146+189 16 53 32 21.2 279.4 5.1 63.0 -6 3705 No stop 21 22 30 --- 16 55 02 20.9 279.6 5.1 62.9 84 3751 21 21 01 21 22 30 J1143+1834 16 55 02 19.8 280.1 5.2 62.7 -7 3751 No stop 21 24 00 --- 16 56 32 19.4 280.3 5.2 62.6 83 3798 21 22 31 21 24 30 1146+189 16 57 02 20.5 279.8 5.1 62.9 24 3798 21 24 30 21 25 30 --- 16 58 02 20.3 280.0 5.1 62.8 60 3829 21 24 31 21 25 30 J1143+1834 16 58 02 19.1 280.5 5.2 62.6 -7 3829 No stop 21 27 00 --- 16 59 33 18.8 280.7 5.2 62.5 83 3875 21 25 31 21 27 00 1146+189 16 59 33 19.9 280.1 5.2 62.8 -6 3875 No stop 21 28 30 --- 17 01 03 19.6 280.3 5.2 62.7 84 3921 21 27 01 21 28 30 J1143+1834 17 01 03 18.5 280.8 5.3 62.5 -7 3921 No stop 21 30 00 --- 17 02 33 18.2 281.0 5.3 62.4 83 3968 21 28 31 21 30 30 1146+189 17 03 03 19.2 280.5 5.2 62.6 24 3968 21 30 30 21 31 30 --- 17 04 03 19.0 280.7 5.2 62.6 60 3999 21 30 31 21 31 30 J1143+1834 17 04 03 17.9 281.2 5.3 62.3 -7 3999 No stop 21 33 00 --- 17 05 34 17.5 281.3 5.3 62.3 83 4045 21 31 31 21 33 00 1146+189 17 05 34 18.7 280.8 5.3 62.5 -6 4045 No stop 21 34 30 --- 17 07 04 18.4 281.0 5.3 62.4 84 4091 21 33 01 21 34 30 J1143+1834 17 07 04 17.2 281.5 5.4 62.2 -7 4091 No stop 21 36 00 --- 17 08 34 16.9 281.7 5.4 62.1 83 4138 21 34 31 21 36 30 1146+189 17 09 04 17.9 281.2 5.3 62.4 24 4138 21 36 30 21 37 30 --- 17 10 04 17.7 281.4 5.3 62.3 60 4169 21 36 31 21 37 30 J1143+1834 17 10 04 16.6 281.9 5.4 62.1 -7 4169 No stop 21 39 00 --- 17 11 35 16.3 282.0 5.4 62.0 83 4215 21 37 31 21 39 00 1146+189 17 11 35 17.4 281.5 5.4 62.2 -6 4215 No stop 21 40 30 --- 17 13 05 17.1 281.7 5.4 62.2 84 4261 21 39 01 21 40 30 J1143+1834 17 13 05 16.0 282.2 5.5 61.9 -7 4261 No stop 21 42 00 --- 17 14 35 15.7 282.4 5.5 61.8 83 4308 21 40 31 21 42 30 1146+189 17 15 05 16.7 281.9 5.4 62.1 24 4308 21 42 30 21 43 30 --- 17 16 05 16.5 282.1 5.4 62.0 60 4339 21 42 31 Schedule for TIANMA65 (Code T6 ) Page 9 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 21 43 30 J1143+1834 17 16 05 15.3 282.6 5.5 61.8 -7 4339 No stop 21 45 00 --- 17 17 36 15.0 282.7 5.5 61.7 83 4385 21 43 31 21 45 00 1146+189 17 17 36 16.2 282.2 5.5 62.0 -6 4385 No stop 21 46 30 --- 17 19 06 15.8 282.4 5.5 61.9 84 4431 21 45 01 21 46 30 J1143+1834 17 19 06 14.7 282.9 5.6 61.6 -7 4431 No stop 21 48 00 --- 17 20 36 14.4 283.1 5.6 61.5 83 4478 21 46 31 21 48 30 1146+189 17 21 06 15.4 282.6 5.5 61.8 24 4478 21 48 30 21 49 30 --- 17 22 06 15.2 282.7 5.5 61.8 60 4509 21 48 31 21 49 30 J1143+1834 17 22 06 14.1 283.3 5.6 61.5 -7 4509 No stop 21 51 00 --- 17 23 37 13.8 283.4 5.6 61.4 83 4555 21 49 31 21 51 00 1146+189 17 23 37 14.9 282.9 5.6 61.7 -6 4555 No stop 21 52 30 --- 17 25 07 14.6 283.1 5.6 61.6 84 4601 21 51 01 21 52 30 J1143+1834 17 25 07 13.5 283.6 5.7 61.3 -7 4601 No stop 21 54 00 --- 17 26 37 13.1 283.8 5.7 61.2 83 4648 21 52 31 21 54 30 1146+189 17 27 07 14.2 283.3 5.6 61.5 24 4648 21 54 30 21 55 30 --- 17 28 07 14.0 283.5 5.6 61.5 60 4679 21 54 31 21 55 30 J1143+1834 17 28 07 12.8 284.0 5.7 61.2 -7 4679 No stop 21 57 00 --- 17 29 38 12.5 284.2 5.7 61.1 83 4725 21 55 31 21 57 00 1146+189 17 29 38 13.6 283.6 5.7 61.4 -6 4725 No stop 21 58 30 --- 17 31 08 13.3 283.8 5.7 61.3 84 4771 21 57 01 21 58 30 J1143+1834 17 31 08 12.2 284.3 5.8 61.0 -7 4771 No stop 22 00 00 --- 17 32 38 11.9 284.5 5.8 60.9 83 4818 21 58 31 22 00 30 1146+189 17 33 08 12.9 284.0 5.7 61.2 24 4818 22 00 30 22 01 30 --- 17 34 08 12.7 284.2 5.7 61.1 60 4849 22 00 31 22 01 30 J1143+1834 17 34 08 11.6 284.7 5.8 60.8 -7 4849 No stop 22 03 00 --- 17 35 39 11.3 284.9 5.8 60.8 83 4895 22 01 31 22 03 00 1146+189 17 35 39 12.4 284.3 5.8 61.1 -6 4895 No stop 22 04 30 --- 17 37 09 12.1 284.5 5.8 61.0 84 4942 22 03 01 22 04 30 J1143+1834 17 37 09 11.0 285.0 5.9 60.7 -7 4942 No stop 22 06 00 --- 17 38 39 10.7 285.2 5.9 60.6 83 4988 22 04 31 Schedule for TIANMA65 (Code T6 ) Page 10 Study of a potential gravitational lens system at milliarcsecond scales 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 13 Mar 2024 Day 73 --- 22 06 30 1146+189 17 39 09 11.7 284.7 5.8 60.9 24 4988 22 06 30 22 07 30 --- 17 40 09 11.5 284.9 5.8 60.8 60 5019 22 06 31 22 07 30 J1143+1834 17 40 09 10.3 285.4 5.9 60.5 -7 5019 No stop 22 09 00 --- 17 41 40 10.0 285.6 5.9 60.4 83 5065 22 07 31 22 09 00 1146+189 17 41 40 11.1 285.0 5.9 60.7 -6 5065 No stop 22 10 30 --- 17 43 10 10.8 285.2 5.9 60.6 84 5112 22 09 01 22 10 30 J1143+1834 17 43 10 9.7 285.8 6.0 60.3 -7 5112 No stop 22 12 00 --- 17 44 40 9.4 285.9 6.0 60.2 83 5158 22 10 31 22 12 30 1146+189 17 45 10 10.4 285.5 5.9 60.5 24 5158 22 12 30 22 13 30 --- 17 46 10 10.2 285.6 5.9 60.5 60 5189 22 12 31 22 15 00 1146+189 17 47 41 9.9 285.8 6.0 60.4 88 5189 22 15 00 22 16 30 --- 17 49 11 9.6 285.9 6.0 60.3 90 5235 22 15 01 --- Thu 14 Mar 2024 Day 74 --- 05 56 50 J2253+1608 01 30 46 51.7 256.4 2.6 60.1 27212 5235 05 56 50 06 00 00 =2251+158 01 33 57 51.0 257.0 2.6 60.4 190 5333 05 56 51 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess124.K4096 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 10 Station: TIANMA65 Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 32 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 Net SB= L L U U L L U U L L U U L L U U 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 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 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 5 13 5 13 6 14 6 14 7 15 7 15 8 16 8 16 BBC SB= L L U U L L U U L L U U L L U U L L U U L L U U L L U U L L U U IF = A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = off LO sum= 22024.00 22024.00 22024.00 22024.00 22088.00 22088.00 22088.00 22088.00 22152.00 22152.00 22152.00 22152.00 22216.00 22216.00 22216.00 22216.00 22280.00 22280.00 22280.00 22280.00 22344.00 22344.00 22344.00 22344.00 22408.00 22408.00 22408.00 22408.00 22472.00 22472.00 22472.00 22472.00 BBC fr= 544.00 544.00 544.00 544.00 608.00 608.00 608.00 608.00 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 928.00 928.00 928.00 928.00 992.00 992.00 992.00 992.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 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= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J1143+1834 11 40 50.548716 * 11 43 26.069653 11 44 42.473842 0.00 18 51 17.31565 * 18 34 38.36006 18 26 28.94164 0.00 From catalog imbedded in main SCHED input file. * 1146+189 11 46 02.761062 * 11 48 37.776789 11 49 53.939413 0.00 18 56 49.43689 * 18 40 08.96963 18 31 58.56994 0.00 From catalog imbedded in main SCHED input file. 2251+158 22 51 29.519750 * 22 53 57.747949 22 55 07.753465 0.10 * J2253+1608 15 52 54.34812 * 16 08 53.56095 16 16 25.89881 0.10 From catalog imbedded in main SCHED input file. rfc_2023d Petrov and Kovalev, in preparation 47794 observations 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 47.719496 0.00 * J1159+2914 29 31 25.73880 * 29 14 43.82690 29 06 32.33096 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 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 J1143+1834 sess124.K4096 1 2 3 4 5 6 7 9 10 11 12 4.750 191.576 1146+189 sess124.K4096 1 2 3 4 5 6 7 9 10 11 12 4.075 185.349 J2253+1608 sess124.K4096 1 2 3 4 5 6 7 9 10 11 12 0.053 4.803 J1159+2914 sess124.K4096 1 2 3 4 5 6 7 9 10 11 12 0.367 18.833 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) J1143+1834 163.9 1146+189 163.6 J2253+1608 21.4 J1159+2914 152.7 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