COVER INFORMATION Station: MEDICINA (Code Mc ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103C Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Yiping SHU Address: Purple Mountain Observatory, Chinese Academy of Sciences No. 10 Yuanhua Road Nanjing China Phone: +86 15946854256 EMAIL: yiping.shu@pmo.ac.cn Fax: Phone during observation: +86 15946854256 Observing mode: vlbi Notes: # Please turn PHASE CAL ON # v3: shorter phase-ref cycle [5min vice 8min] COVER LETTER: Schedule for MEDICINA (Code Mc ) Page 2 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 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: 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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 07 00 00 J1229+0203 09 53 19 35.1 489.4 -2.6 -33.5 0 0 07 00 00 07 05 00 =3C273B 09 58 20 35.8 490.7 -2.5 -32.8 300 77 07 00 01 07 06 00 J1308+0401 09 59 20 31.9 480.0 -3.2 -38.3 42 77 07 06 00 07 11 00 =1305+042 10 04 21 32.7 481.1 -3.1 -37.7 300 155 07 06 01 07 11 00 SDSSJ1305+05 10 04 21 34.2 480.8 -3.0 -38.0 -8 155 No stop 07 14 00 --- 10 07 22 34.6 481.5 -3.0 -37.6 172 201 07 11 01 07 14 30 J1308+0401 10 07 52 33.2 481.9 -3.0 -37.3 22 201 07 14 30 07 16 30 =1305+042 10 09 52 33.5 482.4 -3.0 -37.1 120 232 07 14 31 07 16 30 SDSSJ1305+05 10 09 52 35.0 482.1 -2.9 -37.4 -8 232 No stop 07 19 30 --- 10 12 53 35.5 482.8 -2.9 -37.0 172 278 07 16 31 07 19 30 J1308+0401 10 12 53 33.9 483.1 -2.9 -36.8 -8 278 No stop 07 21 30 =1305+042 10 14 53 34.2 483.6 -2.9 -36.5 112 309 07 19 31 07 21 30 SDSSJ1305+05 10 14 53 35.8 483.3 -2.9 -36.8 -8 309 No stop 07 24 30 --- 10 17 53 36.2 484.0 -2.8 -36.4 172 356 07 21 31 07 25 00 J1308+0401 10 18 23 34.8 484.5 -2.8 -36.1 22 356 07 25 00 07 27 00 =1305+042 10 20 24 35.0 485.0 -2.8 -35.8 120 386 07 25 01 07 27 00 SDSSJ1305+05 10 20 24 36.6 484.7 -2.8 -36.1 -8 386 No stop 07 30 00 --- 10 23 24 37.0 485.4 -2.7 -35.7 172 433 07 27 01 07 30 00 J1308+0401 10 23 24 35.5 485.7 -2.8 -35.5 -8 433 No stop 07 32 00 =1305+042 10 25 25 35.8 486.2 -2.7 -35.2 112 464 07 30 01 07 32 00 SDSSJ1305+05 10 25 25 37.3 485.9 -2.7 -35.4 -8 464 No stop 07 35 00 --- 10 28 25 37.7 486.7 -2.6 -35.0 172 510 07 32 01 07 35 30 J1308+0401 10 28 55 36.3 487.1 -2.7 -34.7 22 510 07 35 30 07 37 30 =1305+042 10 30 55 36.6 487.6 -2.6 -34.5 120 541 07 35 31 07 37 30 SDSSJ1305+05 10 30 55 38.1 487.4 -2.6 -34.7 -8 541 No stop 07 40 30 --- 10 33 56 38.5 488.1 -2.5 -34.3 172 587 07 37 31 Schedule for MEDICINA (Code Mc ) Page 3 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 07 40 30 J1308+0401 10 33 56 37.0 488.4 -2.6 -34.1 -8 587 No stop 07 42 30 =1305+042 10 35 56 37.3 488.9 -2.6 -33.8 112 618 07 40 31 07 42 30 SDSSJ1305+05 10 35 56 38.8 488.7 -2.5 -34.0 -8 618 No stop 07 45 30 --- 10 38 57 39.2 489.5 -2.5 -33.6 172 665 07 42 31 07 46 00 J1308+0401 10 39 27 37.7 489.8 -2.5 -33.3 22 665 07 46 00 07 48 00 =1305+042 10 41 27 38.0 490.4 -2.5 -33.0 120 696 07 46 01 07 48 00 SDSSJ1305+05 10 41 27 39.6 490.1 -2.4 -33.2 -8 696 No stop 07 51 00 --- 10 44 28 40.0 491.0 -2.4 -32.7 172 742 07 48 01 07 51 00 J1308+0401 10 44 28 38.4 491.2 -2.4 -32.5 -8 742 No stop 07 53 00 =1305+042 10 46 28 38.7 491.7 -2.4 -32.2 112 773 07 51 01 07 53 00 SDSSJ1305+05 10 46 28 40.2 491.5 -2.3 -32.4 -8 773 No stop 07 56 00 --- 10 49 29 40.6 492.4 -2.3 -32.0 172 819 07 53 01 07 56 30 J1308+0401 10 49 59 39.2 492.7 -2.3 -31.7 22 819 07 56 30 07 58 30 =1305+042 10 51 59 39.4 493.2 -2.3 -31.4 120 850 07 56 31 07 58 30 SDSSJ1305+05 10 51 59 41.0 493.1 -2.2 -31.6 -8 850 No stop 08 01 30 --- 10 54 59 41.4 493.9 -2.2 -31.1 172 897 07 58 31 08 01 30 J1308+0401 10 54 59 39.8 494.1 -2.2 -30.9 -8 897 No stop 08 03 30 =1305+042 10 57 00 40.1 494.6 -2.2 -30.6 112 927 08 01 31 08 03 30 SDSSJ1305+05 10 57 00 41.6 494.5 -2.2 -30.7 -8 927 No stop 08 06 30 --- 11 00 00 42.0 495.3 -2.1 -30.2 172 974 08 03 31 08 07 00 J1308+0401 11 00 30 40.5 495.6 -2.1 -30.0 22 974 08 07 00 08 09 00 =1305+042 11 02 31 40.8 496.2 -2.1 -29.7 120 1005 08 07 01 08 09 00 SDSSJ1305+05 11 02 31 42.3 496.1 -2.1 -29.8 -8 1005 No stop 08 12 00 --- 11 05 31 42.7 497.0 -2.0 -29.3 172 1051 08 09 01 08 12 00 J1308+0401 11 05 31 41.1 497.0 -2.1 -29.1 -8 1051 No stop 08 14 00 =1305+042 11 07 31 41.4 497.6 -2.0 -28.8 112 1082 08 12 01 08 14 00 SDSSJ1305+05 11 07 31 42.9 497.5 -2.0 -28.9 -8 1082 No stop 08 17 00 --- 11 10 32 43.3 498.4 -1.9 -28.4 172 1128 08 14 01 08 17 30 J1308+0401 11 11 02 41.8 498.7 -2.0 -28.2 22 1128 08 17 30 08 19 30 =1305+042 11 13 02 42.0 499.2 -1.9 -27.8 120 1159 08 17 31 Schedule for MEDICINA (Code Mc ) Page 4 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 08 19 30 SDSSJ1305+05 11 13 02 43.6 499.2 -1.9 -27.9 -8 1159 No stop 08 22 30 --- 11 16 03 43.9 500.1 -1.8 -27.3 172 1206 08 19 31 08 22 30 J1308+0401 11 16 03 42.4 500.1 -1.9 -27.3 -8 1206 No stop 08 24 30 =1305+042 11 18 03 42.6 500.7 -1.9 -26.9 112 1237 08 22 31 08 24 30 SDSSJ1305+05 11 18 03 44.2 500.7 -1.8 -26.9 -8 1237 No stop 08 27 30 --- 11 21 04 44.5 501.7 -1.8 -26.4 172 1283 08 24 31 08 28 00 J1308+0401 11 21 34 43.0 501.8 -1.8 -26.2 22 1283 08 28 00 08 30 00 =1305+042 11 23 34 43.2 502.4 -1.8 -25.8 120 1314 08 28 01 08 30 00 SDSSJ1305+05 11 23 34 44.8 502.5 -1.7 -25.9 -8 1314 No stop 08 33 00 --- 11 26 35 45.1 503.4 -1.7 -25.3 172 1360 08 30 01 08 33 00 J1308+0401 11 26 35 43.5 503.4 -1.7 -25.2 -8 1360 No stop 08 35 00 =1305+042 11 28 35 43.7 504.0 -1.7 -24.8 112 1391 08 33 01 08 35 00 SDSSJ1305+05 11 28 35 45.3 504.1 -1.6 -24.9 -8 1391 No stop 08 38 00 --- 11 31 35 45.6 505.0 -1.6 -24.2 172 1438 08 35 01 08 38 30 J1308+0401 11 32 05 44.1 505.1 -1.6 -24.1 22 1438 08 38 30 08 40 30 =1305+042 11 34 06 44.3 505.7 -1.6 -23.7 120 1469 08 38 31 08 40 30 SDSSJ1305+05 11 34 06 45.9 505.8 -1.5 -23.7 -8 1469 No stop 08 43 30 --- 11 37 06 46.2 506.8 -1.5 -23.1 172 1515 08 40 31 08 43 30 J1308+0401 11 37 06 44.6 506.7 -1.5 -23.1 -8 1515 No stop 08 45 30 =1305+042 11 39 07 44.8 507.3 -1.5 -22.7 112 1546 08 43 31 08 45 30 SDSSJ1305+05 11 39 07 46.4 507.5 -1.5 -22.6 -8 1546 No stop 08 48 30 --- 11 42 07 46.6 508.5 -1.4 -22.0 172 1592 08 45 31 08 49 00 J1308+0401 11 42 37 45.1 508.5 -1.4 -21.9 22 1592 08 49 00 08 51 00 =1305+042 11 44 38 45.3 509.1 -1.4 -21.5 120 1623 08 49 01 08 51 00 SDSSJ1305+05 11 44 38 46.9 509.4 -1.4 -21.4 -8 1623 No stop 08 54 00 --- 11 47 38 47.1 510.4 -1.3 -20.7 172 1669 08 51 01 08 54 00 J1308+0401 11 47 38 45.6 510.1 -1.4 -20.8 -8 1669 No stop 08 56 00 =1305+042 11 49 38 45.8 510.8 -1.3 -20.4 112 1700 08 54 01 08 57 00 J1229+0203 11 50 39 46.5 525.5 -0.7 -10.3 37 1700 08 57 00 09 02 00 =3C273B 11 55 39 46.7 527.3 -0.6 -9.0 300 1778 08 57 01 Schedule for MEDICINA (Code Mc ) Page 5 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 09 03 00 J1308+0401 11 56 40 46.3 513.2 -1.2 -18.8 37 1778 09 03 00 09 08 00 =1305+042 12 01 40 46.7 514.9 -1.1 -17.6 300 1855 09 03 01 09 08 00 SDSSJ1305+05 12 01 40 48.3 515.3 -1.1 -17.4 -8 1855 No stop 09 11 00 --- 12 04 41 48.5 516.4 -1.0 -16.7 172 1901 09 08 01 09 11 30 J1308+0401 12 05 11 47.0 516.1 -1.1 -16.8 22 1901 09 11 30 09 13 30 =1305+042 12 07 11 47.1 516.8 -1.0 -16.3 120 1932 09 11 31 09 13 30 SDSSJ1305+05 12 07 11 48.7 517.3 -1.0 -16.1 -8 1932 No stop 09 16 30 --- 12 10 12 48.9 518.4 -0.9 -15.3 172 1979 09 13 31 09 16 30 J1308+0401 12 10 12 47.3 517.9 -1.0 -15.6 -8 1979 No stop 09 18 30 =1305+042 12 12 12 47.5 518.6 -1.0 -15.1 112 2010 09 16 31 09 18 30 SDSSJ1305+05 12 12 12 49.0 519.1 -0.9 -14.8 -8 2010 No stop 09 21 30 --- 12 15 13 49.2 520.2 -0.9 -14.0 172 2056 09 18 31 09 22 00 J1308+0401 12 15 43 47.7 519.9 -0.9 -14.2 22 2056 09 22 00 09 24 00 =1305+042 12 17 43 47.8 520.6 -0.9 -13.7 120 2087 09 22 01 09 24 00 SDSSJ1305+05 12 17 43 49.3 521.1 -0.8 -13.4 -8 2087 No stop 09 27 00 --- 12 20 43 49.5 522.3 -0.8 -12.6 172 2133 09 24 01 09 27 00 J1308+0401 12 20 43 48.0 521.7 -0.8 -13.0 -8 2133 No stop 09 29 00 =1305+042 12 22 44 48.1 522.4 -0.8 -12.5 112 2164 09 27 01 09 29 00 SDSSJ1305+05 12 22 44 49.6 523.0 -0.7 -12.1 -8 2164 No stop 09 32 00 --- 12 25 44 49.8 524.1 -0.7 -11.3 172 2211 09 29 01 09 32 30 J1308+0401 12 26 14 48.3 523.7 -0.7 -11.6 22 2211 09 32 30 09 34 30 =1305+042 12 28 15 48.4 524.4 -0.7 -11.1 120 2241 09 32 31 09 34 30 SDSSJ1305+05 12 28 15 49.9 525.1 -0.6 -10.6 -8 2241 No stop 09 37 30 --- 12 31 15 50.0 526.2 -0.6 -9.8 172 2288 09 34 31 09 37 30 J1308+0401 12 31 15 48.5 525.6 -0.6 -10.3 -8 2288 No stop 09 39 30 =1305+042 12 33 16 48.6 526.3 -0.6 -9.7 112 2319 09 37 31 09 39 30 SDSSJ1305+05 12 33 16 50.1 527.0 -0.6 -9.3 -8 2319 No stop 09 42 30 --- 12 36 16 50.2 528.2 -0.5 -8.4 172 2365 09 39 31 09 43 00 J1308+0401 12 36 46 48.8 527.6 -0.5 -8.8 22 2365 09 43 00 09 45 00 =1305+042 12 38 46 48.8 528.4 -0.5 -8.3 120 2396 09 43 01 Schedule for MEDICINA (Code Mc ) Page 6 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 09 45 00 SDSSJ1305+05 12 38 46 50.3 529.1 -0.5 -7.8 -8 2396 No stop 09 48 00 --- 12 41 47 50.4 530.3 -0.4 -6.9 172 2442 09 45 01 09 48 00 J1308+0401 12 41 47 48.9 529.5 -0.5 -7.5 -8 2442 No stop 09 50 00 =1305+042 12 43 47 49.0 530.2 -0.4 -7.0 112 2473 09 48 01 09 50 00 SDSSJ1305+05 12 43 47 50.5 531.1 -0.4 -6.4 -8 2473 No stop 09 53 00 --- 12 46 48 50.5 532.2 -0.3 -5.5 172 2520 09 50 01 09 53 30 J1308+0401 12 47 18 49.1 531.6 -0.4 -6.0 22 2520 09 53 30 09 55 30 =1305+042 12 49 18 49.1 532.3 -0.3 -5.5 120 2551 09 53 31 09 55 30 SDSSJ1305+05 12 49 18 50.6 533.2 -0.3 -4.9 -8 2551 No stop 09 58 30 --- 12 52 19 50.6 534.4 -0.2 -4.0 172 2597 09 55 31 09 58 30 J1308+0401 12 52 19 49.2 533.5 -0.3 -4.7 -7 2597 No stop 10 00 30 =1305+042 12 54 19 49.2 534.2 -0.3 -4.1 113 2628 09 58 31 10 00 30 SDSSJ1305+05 12 54 19 50.7 535.2 -0.2 -3.4 -7 2628 No stop 10 03 30 --- 12 57 19 50.7 536.4 -0.2 -2.6 173 2674 10 00 31 10 04 00 J1308+0401 12 57 50 49.3 535.6 -0.2 -3.2 23 2674 10 04 00 10 06 00 =1305+042 12 59 50 49.3 536.3 -0.2 -2.6 120 2705 10 04 01 10 06 00 SDSSJ1305+05 12 59 50 50.7 537.3 -0.1 -1.9 -7 2705 No stop 10 09 00 --- 13 02 50 50.8 538.5 -0.1 -1.1 173 2752 10 06 01 10 09 00 J1308+0401 13 02 50 49.4 537.5 -0.1 -1.8 -7 2752 No stop 10 11 00 =1305+042 13 04 51 49.4 538.3 -0.1 -1.2 113 2782 10 09 01 10 11 00 SDSSJ1305+05 13 04 51 50.8 539.3 -0.0 -0.5 -7 2782 No stop 10 14 00 --- 13 07 51 50.8 540.5 0.0 0.4 173 2829 10 11 01 10 14 30 J1308+0401 13 08 21 49.4 539.6 -0.0 -0.3 23 2829 10 14 30 10 16 30 =1305+042 13 10 22 49.4 540.4 0.0 0.3 120 2860 10 14 31 10 16 30 SDSSJ1305+05 13 10 22 50.8 541.5 0.1 1.1 -7 2860 No stop 10 19 30 --- 13 13 22 50.7 542.7 0.1 1.9 173 2906 10 16 31 10 19 30 J1308+0401 13 13 22 49.4 541.5 0.1 1.1 -7 2906 No stop 10 21 30 =1305+042 13 15 22 49.4 542.3 0.1 1.6 113 2937 10 19 31 10 21 30 SDSSJ1305+05 13 15 22 50.7 543.5 0.1 2.5 -7 2937 No stop 10 24 30 --- 13 18 23 50.7 544.6 0.2 3.3 173 2983 10 21 31 Schedule for MEDICINA (Code Mc ) Page 7 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 10 25 00 J1308+0401 13 18 53 49.3 543.6 0.2 2.6 23 2983 10 25 00 10 27 00 =1305+042 13 20 53 49.3 544.4 0.2 3.1 120 3014 10 25 01 10 27 00 SDSSJ1305+05 13 20 53 50.6 545.6 0.2 4.0 -7 3014 No stop 10 30 00 --- 13 23 54 50.6 546.8 0.3 4.9 173 3061 10 27 01 10 30 00 J1308+0401 13 23 54 49.3 545.6 0.2 4.0 -7 3061 No stop 10 32 00 =1305+042 13 25 54 49.2 546.3 0.3 4.5 113 3092 10 30 01 10 32 00 SDSSJ1305+05 13 25 54 50.5 547.6 0.3 5.4 -7 3092 No stop 10 35 00 --- 13 28 55 50.5 548.8 0.4 6.3 173 3138 10 32 01 10 35 30 J1308+0401 13 29 25 49.1 547.6 0.3 5.5 23 3138 10 35 30 10 37 30 =1305+042 13 31 25 49.1 548.4 0.4 6.0 120 3169 10 35 31 10 37 30 SDSSJ1305+05 13 31 25 50.4 549.7 0.4 7.0 -7 3169 No stop 10 40 30 --- 13 34 26 50.3 550.9 0.5 7.8 173 3215 10 37 31 10 40 30 J1308+0401 13 34 26 49.0 549.5 0.4 6.8 -7 3215 No stop 10 42 30 =1305+042 13 36 26 48.9 550.3 0.5 7.3 113 3246 10 40 31 10 42 30 SDSSJ1305+05 13 36 26 50.2 551.7 0.5 8.3 -7 3246 No stop 10 45 30 --- 13 39 26 50.1 552.8 0.5 9.1 173 3293 10 42 31 10 46 00 J1308+0401 13 39 56 48.8 551.6 0.5 8.3 23 3293 10 46 00 10 48 00 =1305+042 13 41 57 48.8 552.4 0.5 8.8 120 3324 10 46 01 10 48 00 SDSSJ1305+05 13 41 57 50.0 553.8 0.6 9.8 -7 3324 No stop 10 51 00 --- 13 44 57 49.9 554.9 0.6 10.6 173 3370 10 48 01 10 51 00 J1308+0401 13 44 57 48.6 553.5 0.6 9.6 -7 3370 No stop 10 53 00 =1305+042 13 46 58 48.5 554.2 0.6 10.1 113 3401 10 51 01 10 54 00 J1229+0203 13 47 58 44.1 567.6 1.3 19.3 39 3401 10 54 00 10 59 00 =3C273B 13 52 59 43.7 569.2 1.4 20.4 300 3478 10 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.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: 6 Station: MEDICINA 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = 1MHz 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= 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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= 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) * SDSSJ1305+05 13 02 55.046471 * 13 05 27.020000 13 06 34.347603 0.00 05 40 52.45613 * 05 24 49.43000 05 17 40.68715 0.00 From catalog imbedded in main SCHED input file. 3C273B 12 26 33.245835 * 12 29 06.699731 12 30 14.745512 1.03 * J1229+0203 02 19 43.30570 * 02 03 08.59820 01 55 46.34723 1.38 3C273 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc 1226+023 GSFC 2016a X/S astro solution, 32136 observations. J1229+02 1305+042 13 05 43.183402 * 13 08 15.553095 13 09 23.052779 0.21 * J1308+0401 04 17 08.92252 * 04 01 09.35114 03 54 02.29568 0.47 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 127 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 SDSSJ1305+0sess322.C2048 1 2 3 4 5 6 7 8 9 10 2.000 79.696 J1229+0203 sess322.C2048 1 2 3 4 5 6 7 8 9 10 0.250 11.191 J1308+0401 sess322.C2048 1 2 3 4 5 6 7 8 9 10 1.500 62.148 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) SDSSJ1305+05 20.1 J1229+0203 24.2 J1308+0401 18.6 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