COVER INFORMATION Station: ONSALA85 (Code O8 ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103B 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 ONSALA85 (Code O8 ) 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: 742.49 742.49 742.49 742.49 806.49 806.49 806.49 806.49 870.49 870.49 870.49 870.49 934.49 934.49 934.49 934.49 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 02 00 00 J0927+3902 04 53 35 43.0 82.1 -4.6 0.0 0 0 02 00 00 02 05 00 =4C39.25 04 58 36 43.6 83.1 -4.5 0.0 300 77 02 00 01 02 06 00 J0919+3324 04 59 36 40.6 89.9 -4.3 0.0 27 77 02 06 00 02 11 00 =0916+336 05 04 37 41.3 91.0 -4.3 0.0 300 155 02 06 01 02 11 00 SDSSJ0908+34 05 04 37 43.8 91.9 -4.1 0.0 -18 155 No stop 02 14 00 --- 05 07 37 44.2 92.5 -4.0 0.0 162 201 02 11 01 02 14 30 J0919+3324 05 08 07 41.8 91.7 -4.2 0.0 12 201 02 14 30 02 16 30 =0916+336 05 10 08 42.1 92.2 -4.2 0.0 120 232 02 14 31 02 16 30 SDSSJ0908+34 05 10 08 44.5 93.1 -4.0 0.0 -18 232 No stop 02 19 30 --- 05 13 08 44.9 93.7 -4.0 0.0 162 278 02 16 31 02 19 30 J0919+3324 05 13 08 42.5 92.8 -4.1 0.0 -18 278 No stop 02 21 30 =0916+336 05 15 09 42.7 93.2 -4.1 0.0 102 309 02 19 31 02 21 30 SDSSJ0908+34 05 15 09 45.2 94.2 -3.9 0.0 -18 309 No stop 02 24 30 --- 05 18 09 45.6 94.8 -3.9 0.0 162 356 02 21 31 02 25 00 J0919+3324 05 18 39 43.2 94.0 -4.0 0.0 12 356 02 25 00 02 27 00 =0916+336 05 20 39 43.5 94.5 -4.0 0.0 120 386 02 25 01 02 27 00 SDSSJ0908+34 05 20 39 45.9 95.4 -3.8 0.0 -18 386 No stop 02 30 00 --- 05 23 40 46.3 96.1 -3.8 0.0 162 433 02 27 01 02 30 00 J0919+3324 05 23 40 43.9 95.1 -3.9 0.0 -18 433 No stop 02 32 00 =0916+336 05 25 40 44.2 95.6 -3.9 0.0 102 464 02 30 01 02 32 00 SDSSJ0908+34 05 25 40 46.6 96.5 -3.7 0.0 -18 464 No stop 02 35 00 --- 05 28 41 47.0 97.2 -3.7 0.0 162 510 02 32 01 02 35 30 J0919+3324 05 29 11 44.6 96.4 -3.9 0.0 12 510 02 35 30 02 37 30 =0916+336 05 31 11 44.9 96.8 -3.8 0.0 120 541 02 35 31 02 37 30 SDSSJ0908+34 05 31 11 47.3 97.8 -3.7 0.0 -18 541 No stop 02 40 30 --- 05 34 12 47.7 98.5 -3.6 0.0 162 587 02 37 31 Schedule for ONSALA85 (Code O8 ) 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 --- 02 40 30 J0919+3324 05 34 12 45.3 97.5 -3.8 0.0 -18 587 No stop 02 42 30 =0916+336 05 36 12 45.6 98.0 -3.7 0.0 102 618 02 40 31 02 42 30 SDSSJ0908+34 05 36 12 48.0 99.0 -3.6 0.0 -18 618 No stop 02 45 30 --- 05 39 12 48.4 99.7 -3.5 0.0 162 665 02 42 31 02 46 00 J0919+3324 05 39 43 46.0 98.8 -3.7 0.0 12 665 02 46 00 02 48 00 =0916+336 05 41 43 46.3 99.2 -3.6 0.0 120 696 02 46 01 02 48 00 SDSSJ0908+34 05 41 43 48.7 100.3 -3.5 0.0 -18 696 No stop 02 51 00 --- 05 44 43 49.1 101.0 -3.4 0.0 162 742 02 48 01 02 51 00 J0919+3324 05 44 43 46.7 99.9 -3.6 0.0 -18 742 No stop 02 53 00 =0916+336 05 46 44 47.0 100.4 -3.6 0.0 102 773 02 51 01 02 53 00 SDSSJ0908+34 05 46 44 49.4 101.5 -3.4 0.0 -18 773 No stop 02 56 00 --- 05 49 44 49.8 102.2 -3.3 0.0 162 819 02 53 01 02 56 30 J0919+3324 05 50 14 47.4 101.2 -3.5 0.0 12 819 02 56 30 02 58 30 =0916+336 05 52 15 47.7 101.7 -3.5 0.0 120 850 02 56 31 02 58 30 SDSSJ0908+34 05 52 15 50.1 102.8 -3.3 0.0 -18 850 No stop 03 01 30 --- 05 55 15 50.5 103.5 -3.3 0.0 162 897 02 58 31 03 01 30 J0919+3324 05 55 15 48.1 102.5 -3.4 0.0 -18 897 No stop 03 03 30 =0916+336 05 57 15 48.3 102.9 -3.4 0.0 102 927 03 01 31 03 03 30 SDSSJ0908+34 05 57 15 50.8 104.0 -3.2 0.0 -18 927 No stop 03 06 30 --- 06 00 16 51.2 104.8 -3.2 0.0 162 974 03 03 31 03 07 00 J0919+3324 06 00 46 48.8 103.8 -3.3 0.0 12 974 03 07 00 03 09 00 =0916+336 06 02 46 49.1 104.3 -3.3 0.0 120 1005 03 07 01 03 09 00 SDSSJ0908+34 06 02 46 51.5 105.4 -3.1 0.0 -18 1005 No stop 03 12 00 --- 06 05 47 51.9 106.2 -3.1 0.0 162 1051 03 09 01 03 12 00 J0919+3324 06 05 47 49.5 105.1 -3.2 0.0 -18 1051 No stop 03 14 00 =0916+336 06 07 47 49.7 105.6 -3.2 0.0 102 1082 03 12 01 03 14 00 SDSSJ0908+34 06 07 47 52.2 106.7 -3.0 0.0 -18 1082 No stop 03 17 00 --- 06 10 48 52.5 107.5 -3.0 0.0 162 1128 03 14 01 03 17 30 J0919+3324 06 11 18 50.2 106.5 -3.2 0.0 12 1128 03 17 30 03 19 30 =0916+336 06 13 18 50.4 107.0 -3.1 0.0 120 1159 03 17 31 Schedule for ONSALA85 (Code O8 ) 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 --- 03 19 30 SDSSJ0908+34 06 13 18 52.9 108.2 -3.0 0.0 -18 1159 No stop 03 22 30 --- 06 16 19 53.3 109.0 -2.9 0.0 162 1206 03 19 31 03 22 30 J0919+3324 06 16 19 50.8 107.7 -3.1 0.0 -18 1206 No stop 03 24 30 =0916+336 06 18 19 51.1 108.3 -3.0 0.0 102 1237 03 22 31 03 24 30 SDSSJ0908+34 06 18 19 53.5 109.5 -2.9 0.0 -18 1237 No stop 03 27 30 --- 06 21 19 53.9 110.4 -2.8 0.0 162 1283 03 24 31 03 28 00 J0919+3324 06 21 49 51.5 109.2 -3.0 0.0 12 1283 03 28 00 03 30 00 =0916+336 06 23 50 51.8 109.7 -2.9 0.0 120 1314 03 28 01 03 30 00 SDSSJ0908+34 06 23 50 54.2 111.1 -2.8 0.0 -18 1314 No stop 03 33 00 --- 06 26 50 54.6 111.9 -2.7 0.0 162 1360 03 30 01 03 33 00 J0919+3324 06 26 50 52.2 110.6 -2.9 0.0 -18 1360 No stop 03 35 00 =0916+336 06 28 51 52.4 111.1 -2.9 0.0 102 1391 03 33 01 03 35 00 SDSSJ0908+34 06 28 51 54.8 112.5 -2.7 0.0 -18 1391 No stop 03 38 00 --- 06 31 51 55.2 113.3 -2.6 0.0 162 1438 03 35 01 03 38 30 J0919+3324 06 32 21 52.9 112.1 -2.8 0.0 12 1438 03 38 30 03 40 30 =0916+336 06 34 22 53.1 112.6 -2.8 0.0 120 1469 03 38 31 03 40 30 SDSSJ0908+34 06 34 22 55.5 114.0 -2.6 0.0 -18 1469 No stop 03 43 30 --- 06 37 22 55.9 114.9 -2.5 0.0 162 1515 03 40 31 03 43 30 J0919+3324 06 37 22 53.5 113.5 -2.7 0.0 -18 1515 No stop 03 45 30 =0916+336 06 39 22 53.7 114.0 -2.7 0.0 102 1546 03 43 31 03 45 30 SDSSJ0908+34 06 39 22 56.1 115.5 -2.5 0.0 -18 1546 No stop 03 48 30 --- 06 42 23 56.5 116.4 -2.5 0.0 162 1592 03 45 31 03 49 00 J0919+3324 06 42 53 54.2 115.0 -2.6 0.0 12 1592 03 49 00 03 51 00 =0916+336 06 44 53 54.4 115.6 -2.6 0.0 120 1623 03 49 01 03 51 00 SDSSJ0908+34 06 44 53 56.8 117.2 -2.4 0.0 -18 1623 No stop 03 54 00 --- 06 47 54 57.2 118.1 -2.4 0.0 162 1669 03 51 01 03 54 00 J0919+3324 06 47 54 54.8 116.5 -2.5 0.0 -18 1669 No stop 03 56 00 =0916+336 06 49 54 55.0 117.1 -2.5 0.0 102 1700 03 54 01 03 57 00 J0927+3902 06 50 54 58.6 108.8 -2.6 0.0 27 1700 03 57 00 04 02 00 =4C39.25 06 55 55 59.2 110.2 -2.5 0.0 300 1778 03 57 01 Schedule for ONSALA85 (Code O8 ) 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 --- 04 03 00 J0919+3324 06 56 55 55.8 119.2 -2.4 0.0 27 1778 04 03 00 04 08 00 =0916+336 07 01 56 56.4 120.8 -2.3 0.0 300 1855 04 03 01 04 08 00 SDSSJ0908+34 07 01 56 58.8 122.6 -2.1 0.0 -18 1855 No stop 04 11 00 --- 07 04 57 59.1 123.6 -2.1 0.0 162 1901 04 08 01 04 11 30 J0919+3324 07 05 27 56.8 121.9 -2.3 0.0 12 1901 04 11 30 04 13 30 =0916+336 07 07 27 57.1 122.6 -2.2 0.0 120 1932 04 11 31 04 13 30 SDSSJ0908+34 07 07 27 59.4 124.4 -2.0 0.0 -18 1932 No stop 04 16 30 --- 07 10 27 59.7 125.5 -2.0 0.0 162 1979 04 13 31 04 16 30 J0919+3324 07 10 27 57.4 123.5 -2.2 0.0 -18 1979 No stop 04 18 30 =0916+336 07 12 28 57.6 124.2 -2.1 0.0 102 2010 04 16 31 04 18 30 SDSSJ0908+34 07 12 28 60.0 126.2 -2.0 0.0 -18 2010 No stop 04 21 30 --- 07 15 28 60.3 127.2 -1.9 0.0 162 2056 04 18 31 04 22 00 J0919+3324 07 15 58 58.0 125.4 -2.1 0.0 12 2056 04 22 00 04 24 00 =0916+336 07 17 59 58.2 126.0 -2.0 0.0 120 2087 04 22 01 04 24 00 SDSSJ0908+34 07 17 59 60.5 128.1 -1.9 0.0 -18 2087 No stop 04 27 00 --- 07 20 59 60.9 129.2 -1.8 0.0 162 2133 04 24 01 04 27 00 J0919+3324 07 20 59 58.6 127.1 -2.0 0.0 -18 2133 No stop 04 29 00 =0916+336 07 23 00 58.8 127.8 -2.0 0.0 102 2164 04 27 01 04 29 00 SDSSJ0908+34 07 23 00 61.1 129.9 -1.8 0.0 -18 2164 No stop 04 32 00 --- 07 26 00 61.4 131.0 -1.7 0.0 162 2211 04 29 01 04 32 30 J0919+3324 07 26 30 59.1 129.0 -1.9 0.0 12 2211 04 32 30 04 34 30 =0916+336 07 28 30 59.3 129.7 -1.9 0.0 120 2241 04 32 31 04 34 30 SDSSJ0908+34 07 28 30 61.6 132.0 -1.7 0.0 -18 2241 No stop 04 37 30 --- 07 31 31 61.9 133.1 -1.6 0.0 162 2288 04 34 31 04 37 30 J0919+3324 07 31 31 59.7 130.8 -1.8 0.0 -18 2288 No stop 04 39 30 =0916+336 07 33 31 59.9 131.5 -1.8 0.0 102 2319 04 37 31 04 39 30 SDSSJ0908+34 07 33 31 62.1 133.9 -1.6 0.0 -18 2319 No stop 04 42 30 --- 07 36 32 62.4 135.1 -1.6 0.0 162 2365 04 39 31 04 43 00 J0919+3324 07 37 02 60.2 132.8 -1.7 0.0 12 2365 04 43 00 04 45 00 =0916+336 07 39 02 60.4 133.5 -1.7 0.0 120 2396 04 43 01 Schedule for ONSALA85 (Code O8 ) 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 --- 04 45 00 SDSSJ0908+34 07 39 02 62.7 136.0 -1.5 0.0 -18 2396 No stop 04 48 00 --- 07 42 03 62.9 137.3 -1.5 0.0 162 2442 04 45 01 04 48 00 J0919+3324 07 42 03 60.7 134.7 -1.6 0.0 -18 2442 No stop 04 50 00 =0916+336 07 44 03 60.9 135.4 -1.6 0.0 102 2473 04 48 01 04 50 00 SDSSJ0908+34 07 44 03 63.1 138.1 -1.4 0.0 -18 2473 No stop 04 53 00 --- 07 47 03 63.4 139.3 -1.4 0.0 162 2520 04 50 01 04 53 30 J0919+3324 07 47 34 61.2 136.8 -1.5 0.0 12 2520 04 53 30 04 55 30 =0916+336 07 49 34 61.4 137.6 -1.5 0.0 120 2551 04 53 31 04 55 30 SDSSJ0908+34 07 49 34 63.6 140.4 -1.3 0.0 -18 2551 No stop 04 58 30 --- 07 52 34 63.9 141.6 -1.3 0.0 162 2597 04 55 31 04 58 30 J0919+3324 07 52 34 61.7 138.8 -1.5 0.0 -18 2597 No stop 05 00 30 =0916+336 07 54 35 61.8 139.6 -1.4 0.0 102 2628 04 58 31 05 00 30 SDSSJ0908+34 07 54 35 64.0 142.5 -1.3 0.0 -18 2628 No stop 05 03 30 --- 07 57 35 64.3 143.8 -1.2 0.0 162 2674 05 00 31 05 04 00 J0919+3324 07 58 05 62.2 141.0 -1.4 0.0 12 2674 05 04 00 05 06 00 =0916+336 08 00 06 62.3 141.8 -1.3 0.0 120 2705 05 04 01 05 06 00 SDSSJ0908+34 08 00 06 64.5 144.9 -1.2 0.0 -18 2705 No stop 05 09 00 --- 08 03 06 64.7 146.2 -1.1 0.0 162 2752 05 06 01 05 09 00 J0919+3324 08 03 06 62.6 143.1 -1.3 0.0 -18 2752 No stop 05 11 00 =0916+336 08 05 06 62.7 143.9 -1.3 0.0 102 2782 05 09 01 05 11 00 SDSSJ0908+34 08 05 06 64.8 147.1 -1.1 0.0 -18 2782 No stop 05 14 00 --- 08 08 07 65.1 148.5 -1.0 0.0 162 2829 05 11 01 05 14 30 J0919+3324 08 08 37 63.0 145.4 -1.2 0.0 12 2829 05 14 30 05 16 30 =0916+336 08 10 37 63.2 146.2 -1.2 0.0 120 2860 05 14 31 05 16 30 SDSSJ0908+34 08 10 37 65.2 149.6 -1.0 0.0 -18 2860 No stop 05 19 30 --- 08 13 38 65.4 151.0 -0.9 0.0 162 2906 05 16 31 05 19 30 J0919+3324 08 13 38 63.4 147.6 -1.1 0.0 -18 2906 No stop 05 21 30 =0916+336 08 15 38 63.5 148.4 -1.1 0.0 102 2937 05 19 31 05 21 30 SDSSJ0908+34 08 15 38 65.6 152.0 -0.9 0.0 -18 2937 No stop 05 24 30 --- 08 18 39 65.7 153.4 -0.9 0.0 162 2983 05 21 31 Schedule for ONSALA85 (Code O8 ) 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 --- 05 25 00 J0919+3324 08 19 09 63.8 150.0 -1.0 0.0 12 2983 05 25 00 05 27 00 =0916+336 08 21 09 63.9 150.9 -1.0 0.0 120 3014 05 25 01 05 27 00 SDSSJ0908+34 08 21 09 65.9 154.6 -0.8 0.0 -18 3014 No stop 05 30 00 --- 08 24 10 66.1 156.1 -0.8 0.0 162 3061 05 27 01 05 30 00 J0919+3324 08 24 10 64.1 152.3 -0.9 0.0 -18 3061 No stop 05 32 00 =0916+336 08 26 10 64.2 153.2 -0.9 0.0 102 3092 05 30 01 05 32 00 SDSSJ0908+34 08 26 10 66.2 157.1 -0.7 0.0 -18 3092 No stop 05 35 00 --- 08 29 10 66.3 158.5 -0.7 0.0 162 3138 05 32 01 05 35 30 J0919+3324 08 29 40 64.4 154.8 -0.8 0.0 12 3138 05 35 30 05 37 30 =0916+336 08 31 41 64.5 155.7 -0.8 0.0 120 3169 05 35 31 05 37 30 SDSSJ0908+34 08 31 41 66.4 159.8 -0.6 0.0 -18 3169 No stop 05 40 30 --- 08 34 41 66.6 161.3 -0.6 0.0 162 3215 05 37 31 05 40 30 J0919+3324 08 34 41 64.7 157.2 -0.8 0.0 -18 3215 No stop 05 42 30 =0916+336 08 36 42 64.8 158.1 -0.7 0.0 102 3246 05 40 31 05 42 30 SDSSJ0908+34 08 36 42 66.7 162.3 -0.6 0.0 -18 3246 No stop 05 45 30 --- 08 39 42 66.8 163.9 -0.5 0.0 162 3293 05 42 31 05 46 00 J0919+3324 08 40 12 65.0 159.8 -0.7 0.0 12 3293 05 46 00 05 48 00 =0916+336 08 42 12 65.1 160.8 -0.6 0.0 120 3324 05 46 01 05 48 00 SDSSJ0908+34 08 42 12 66.9 165.2 -0.5 0.0 -18 3324 No stop 05 51 00 --- 08 45 13 67.0 166.7 -0.4 0.0 162 3370 05 48 01 05 51 00 J0919+3324 08 45 13 65.2 162.2 -0.6 0.0 -18 3370 No stop 05 53 00 =0916+336 08 47 13 65.3 163.2 -0.6 0.0 102 3401 05 51 01 05 54 00 J0927+3902 08 48 13 70.4 156.1 -0.7 0.0 27 3401 05 54 00 05 59 00 =4C39.25 08 53 14 70.7 158.9 -0.6 0.0 300 3478 05 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: 3 Station: ONSALA85 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= 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 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: 7 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= 742.49 742.49 742.49 742.49 806.49 806.49 806.49 806.49 870.49 870.49 870.49 870.49 934.49 934.49 934.49 934.49 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: 7 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) * SDSSJ0908+34 09 05 52.608649 * 09 08 58.280000 09 10 21.618122 0.00 35 03 00.21553 * 34 50 49.16000 34 45 16.31015 0.00 From catalog imbedded in main SCHED input file. 0916+336 09 16 06.251034 * 09 19 08.787129 09 20 30.656481 0.09 * J0919+3324 33 37 22.76481 * 33 24 41.94350 33 18 56.25050 0.14 J0919+33 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 155 observations. 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 27.129152 0.31 * J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 23.38957 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 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 SDSSJ0908+3sess322.C2048 1 2 3 4 5 6 7 8 9 10 2.000 76.750 J0919+3324 sess322.C2048 1 2 3 4 5 6 7 8 9 10 1.500 60.879 J0927+3902 sess322.C2048 1 2 3 4 5 6 7 8 9 10 0.250 10.469 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) SDSSJ0908+34 80.7 J0919+3324 78.2 J0927+3902 78.9 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