COVER INFORMATION Station: ONSALA85 (Code O8 ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103H Schedule Version: 2.00 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 # 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 ---------------------------------------------------------------------------------------- --- Fri 24 Feb 2023 Day 55 --- 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 16 30 00 J0927+3902 03 34 51 32.8 67.6 -5.9 0.0 0 0 16 30 00 16 35 00 =4C39.25 03 39 52 33.4 68.5 -5.8 0.0 300 77 16 30 01 16 36 00 J0934+4908 03 40 52 40.1 58.9 -5.9 0.0 9 77 16 36 00 16 41 00 =0930+493 03 45 53 40.7 59.7 -5.8 0.0 300 155 16 36 01 16 41 00 SDSSJ0933+47 03 45 53 39.7 61.2 -5.8 0.0 -16 155 No stop 16 44 00 --- 03 48 53 40.1 61.7 -5.8 0.0 164 201 16 41 01 16 44 30 J0934+4908 03 49 23 41.1 60.2 -5.8 0.0 14 201 16 44 30 16 46 30 =0930+493 03 51 24 41.3 60.5 -5.7 0.0 120 232 16 44 31 16 46 30 SDSSJ0933+47 03 51 24 40.4 62.1 -5.7 0.0 -16 232 No stop 16 49 30 --- 03 54 24 40.7 62.6 -5.7 0.0 164 278 16 46 31 16 49 30 J0934+4908 03 54 24 41.7 61.0 -5.7 0.0 -16 278 No stop 16 51 30 =0930+493 03 56 24 41.9 61.3 -5.7 0.0 104 309 16 49 31 16 51 30 SDSSJ0933+47 03 56 24 41.0 62.9 -5.6 0.0 -16 309 No stop 16 54 30 --- 03 59 25 41.3 63.3 -5.6 0.0 164 356 16 51 31 16 55 00 J0934+4908 03 59 55 42.3 61.8 -5.6 0.0 14 356 16 55 00 16 57 00 =0930+493 04 01 55 42.6 62.1 -5.6 0.0 120 386 16 55 01 16 57 00 SDSSJ0933+47 04 01 55 41.6 63.7 -5.5 0.0 -16 386 No stop 17 00 00 --- 04 04 56 42.0 64.2 -5.5 0.0 164 433 16 57 01 17 00 00 J0934+4908 04 04 56 42.9 62.6 -5.5 0.0 -16 433 No stop 17 02 00 =0930+493 04 06 56 43.2 62.9 -5.5 0.0 104 464 17 00 01 17 02 00 SDSSJ0933+47 04 06 56 42.2 64.5 -5.5 0.0 -16 464 No stop 17 05 00 --- 04 09 57 42.6 65.0 -5.4 0.0 164 510 17 02 01 17 05 30 J0934+4908 04 10 27 43.6 63.5 -5.4 0.0 14 510 17 05 30 17 07 30 =0930+493 04 12 27 43.8 63.8 -5.4 0.0 120 541 17 05 31 17 07 30 SDSSJ0933+47 04 12 27 42.9 65.4 -5.4 0.0 -16 541 No stop 17 10 30 --- 04 15 27 43.3 65.9 -5.3 0.0 164 587 17 07 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 ---------------------------------------------------------------------------------------- --- Fri 24 Feb 2023 Day 55 --- 17 10 30 J0934+4908 04 15 27 44.2 64.2 -5.3 0.0 -16 587 No stop 17 12 30 =0930+493 04 17 28 44.4 64.5 -5.3 0.0 104 618 17 10 31 17 12 30 SDSSJ0933+47 04 17 28 43.5 66.2 -5.3 0.0 -16 618 No stop 17 15 30 --- 04 20 28 43.9 66.7 -5.2 0.0 164 665 17 12 31 17 16 00 J0934+4908 04 20 58 44.8 65.1 -5.2 0.0 14 665 17 16 00 17 18 00 =0930+493 04 22 59 45.1 65.4 -5.2 0.0 120 696 17 16 01 17 18 00 SDSSJ0933+47 04 22 59 44.2 67.1 -5.2 0.0 -16 696 No stop 17 21 00 --- 04 25 59 44.6 67.6 -5.1 0.0 164 742 17 18 01 17 21 00 J0934+4908 04 25 59 45.5 65.8 -5.2 0.0 -16 742 No stop 17 23 00 =0930+493 04 28 00 45.7 66.2 -5.1 0.0 104 773 17 21 01 17 23 00 SDSSJ0933+47 04 28 00 44.8 67.9 -5.1 0.0 -16 773 No stop 17 26 00 --- 04 31 00 45.2 68.4 -5.1 0.0 164 819 17 23 01 17 26 30 J0934+4908 04 31 30 46.1 66.7 -5.1 0.0 14 819 17 26 30 17 28 30 =0930+493 04 33 30 46.4 67.0 -5.0 0.0 120 850 17 26 31 17 28 30 SDSSJ0933+47 04 33 30 45.5 68.8 -5.0 0.0 -16 850 No stop 17 31 30 --- 04 36 31 45.9 69.2 -5.0 0.0 164 897 17 28 31 17 31 30 J0934+4908 04 36 31 46.8 67.5 -5.0 0.0 -16 897 No stop 17 33 30 =0930+493 04 38 31 47.0 67.8 -5.0 0.0 104 927 17 31 31 17 33 30 SDSSJ0933+47 04 38 31 46.2 69.6 -4.9 0.0 -16 927 No stop 17 36 30 --- 04 41 32 46.5 70.1 -4.9 0.0 164 974 17 33 31 17 37 00 J0934+4908 04 42 02 47.5 68.3 -4.9 0.0 14 974 17 37 00 17 39 00 =0930+493 04 44 02 47.7 68.7 -4.9 0.0 120 1005 17 37 01 17 39 00 SDSSJ0933+47 04 44 02 46.9 70.5 -4.8 0.0 -16 1005 No stop 17 42 00 --- 04 47 03 47.2 70.9 -4.8 0.0 164 1051 17 39 01 17 42 00 J0934+4908 04 47 03 48.1 69.1 -4.8 0.0 -16 1051 No stop 17 44 00 =0930+493 04 49 03 48.3 69.4 -4.8 0.0 104 1082 17 42 01 17 44 00 SDSSJ0933+47 04 49 03 47.5 71.3 -4.8 0.0 -16 1082 No stop 17 47 00 --- 04 52 03 47.9 71.8 -4.7 0.0 164 1128 17 44 01 17 47 30 J0934+4908 04 52 34 48.8 70.0 -4.7 0.0 14 1128 17 47 30 17 49 30 =0930+493 04 54 34 49.0 70.3 -4.7 0.0 120 1159 17 47 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 ---------------------------------------------------------------------------------------- --- Fri 24 Feb 2023 Day 55 --- 17 49 30 SDSSJ0933+47 04 54 34 48.2 72.2 -4.7 0.0 -16 1159 No stop 17 52 30 --- 04 57 34 48.6 72.7 -4.6 0.0 164 1206 17 49 31 17 52 30 J0934+4908 04 57 34 49.4 70.8 -4.6 0.0 -16 1206 No stop 17 54 30 =0930+493 04 59 35 49.7 71.1 -4.6 0.0 104 1237 17 52 31 17 54 30 SDSSJ0933+47 04 59 35 48.8 73.0 -4.6 0.0 -16 1237 No stop 17 57 30 --- 05 02 35 49.2 73.5 -4.5 0.0 164 1283 17 54 31 17 58 00 J0934+4908 05 03 05 50.1 71.7 -4.5 0.0 14 1283 17 58 00 18 00 00 =0930+493 05 05 06 50.4 72.0 -4.5 0.0 120 1314 17 58 01 18 00 00 SDSSJ0933+47 05 05 06 49.6 73.9 -4.5 0.0 -16 1314 No stop 18 03 00 --- 05 08 06 49.9 74.4 -4.4 0.0 164 1360 18 00 01 18 03 00 J0934+4908 05 08 06 50.8 72.5 -4.5 0.0 -16 1360 No stop 18 05 00 =0930+493 05 10 06 51.0 72.8 -4.4 0.0 104 1391 18 03 01 18 05 00 SDSSJ0933+47 05 10 06 50.2 74.8 -4.4 0.0 -16 1391 No stop 18 08 00 --- 05 13 07 50.6 75.3 -4.4 0.0 164 1438 18 05 01 18 08 30 J0934+4908 05 13 37 51.5 73.4 -4.4 0.0 14 1438 18 08 30 18 10 30 =0930+493 05 15 37 51.7 73.7 -4.3 0.0 120 1469 18 08 31 18 10 30 SDSSJ0933+47 05 15 37 50.9 75.7 -4.3 0.0 -16 1469 No stop 18 13 30 --- 05 18 38 51.3 76.2 -4.3 0.0 164 1515 18 10 31 18 13 30 J0934+4908 05 18 38 52.1 74.2 -4.3 0.0 -16 1515 No stop 18 15 30 =0930+493 05 20 38 52.4 74.5 -4.3 0.0 104 1546 18 13 31 18 15 30 SDSSJ0933+47 05 20 38 51.6 76.5 -4.2 0.0 -16 1546 No stop 18 18 30 --- 05 23 39 52.0 77.1 -4.2 0.0 164 1592 18 15 31 18 19 00 J0934+4908 05 24 09 52.8 75.1 -4.2 0.0 14 1592 18 19 00 18 21 00 =0930+493 05 26 09 53.1 75.4 -4.2 0.0 120 1623 18 19 01 18 21 00 SDSSJ0933+47 05 26 09 52.3 77.5 -4.1 0.0 -16 1623 No stop 18 24 00 --- 05 29 10 52.7 78.0 -4.1 0.0 164 1669 18 21 01 18 24 00 J0934+4908 05 29 10 53.5 75.9 -4.1 0.0 -16 1669 No stop 18 26 00 =0930+493 05 31 10 53.8 76.2 -4.1 0.0 104 1700 18 24 01 18 27 00 J0927+3902 05 32 10 48.1 89.8 -3.9 0.0 9 1700 18 27 00 18 32 00 =4C39.25 05 37 11 48.8 90.9 -3.9 0.0 300 1778 18 27 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 ---------------------------------------------------------------------------------------- --- Fri 24 Feb 2023 Day 55 --- 18 33 00 J0934+4908 05 38 11 54.7 77.4 -4.0 0.0 9 1778 18 33 00 18 38 00 =0930+493 05 43 12 55.3 78.3 -3.9 0.0 300 1855 18 33 01 18 38 00 SDSSJ0933+47 05 43 12 54.6 80.5 -3.9 0.0 -16 1855 No stop 18 41 00 --- 05 46 12 55.0 81.0 -3.8 0.0 164 1901 18 38 01 18 41 30 J0934+4908 05 46 42 55.8 78.9 -3.8 0.0 14 1901 18 41 30 18 43 30 =0930+493 05 48 43 56.1 79.2 -3.8 0.0 120 1932 18 41 31 18 43 30 SDSSJ0933+47 05 48 43 55.3 81.5 -3.8 0.0 -16 1932 No stop 18 46 30 --- 05 51 43 55.7 82.0 -3.7 0.0 164 1979 18 43 31 18 46 30 J0934+4908 05 51 43 56.5 79.7 -3.7 0.0 -16 1979 No stop 18 48 30 =0930+493 05 53 44 56.7 80.1 -3.7 0.0 104 2010 18 46 31 18 48 30 SDSSJ0933+47 05 53 44 56.0 82.4 -3.7 0.0 -16 2010 No stop 18 51 30 --- 05 56 44 56.4 83.0 -3.6 0.0 164 2056 18 48 31 18 52 00 J0934+4908 05 57 14 57.2 80.7 -3.6 0.0 14 2056 18 52 00 18 54 00 =0930+493 05 59 14 57.5 81.1 -3.6 0.0 120 2087 18 52 01 18 54 00 SDSSJ0933+47 05 59 14 56.7 83.4 -3.6 0.0 -16 2087 No stop 18 57 00 --- 06 02 15 57.1 84.0 -3.5 0.0 164 2133 18 54 01 18 57 00 J0934+4908 06 02 15 57.9 81.6 -3.6 0.0 -16 2133 No stop 18 59 00 =0930+493 06 04 15 58.1 82.0 -3.5 0.0 104 2164 18 57 01 18 59 00 SDSSJ0933+47 06 04 15 57.4 84.4 -3.5 0.0 -16 2164 No stop 19 02 00 --- 06 07 16 57.8 85.0 -3.5 0.0 164 2211 18 59 01 19 02 30 J0934+4908 06 07 46 58.6 82.6 -3.5 0.0 14 2211 19 02 30 19 04 30 =0930+493 06 09 46 58.9 83.0 -3.4 0.0 120 2241 19 02 31 19 04 30 SDSSJ0933+47 06 09 46 58.1 85.4 -3.4 0.0 -16 2241 No stop 19 07 30 --- 06 12 47 58.5 86.0 -3.4 0.0 164 2288 19 04 31 19 07 30 J0934+4908 06 12 47 59.3 83.5 -3.4 0.0 -16 2288 No stop 19 09 30 =0930+493 06 14 47 59.5 83.9 -3.4 0.0 104 2319 19 07 31 19 09 30 SDSSJ0933+47 06 14 47 58.8 86.4 -3.3 0.0 -16 2319 No stop 19 12 30 --- 06 17 48 59.2 87.0 -3.3 0.0 164 2365 19 09 31 19 13 00 J0934+4908 06 18 18 60.0 84.6 -3.3 0.0 14 2365 19 13 00 19 15 00 =0930+493 06 20 18 60.3 84.9 -3.3 0.0 120 2396 19 13 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 ---------------------------------------------------------------------------------------- --- Fri 24 Feb 2023 Day 55 --- 19 15 00 SDSSJ0933+47 06 20 18 59.5 87.5 -3.2 0.0 -16 2396 No stop 19 18 00 --- 06 23 18 59.9 88.1 -3.2 0.0 164 2442 19 15 01 19 18 00 J0934+4908 06 23 18 60.7 85.5 -3.2 0.0 -16 2442 No stop 19 20 00 =0930+493 06 25 19 60.9 85.9 -3.2 0.0 104 2473 19 18 01 19 20 00 SDSSJ0933+47 06 25 19 60.2 88.5 -3.2 0.0 -16 2473 No stop 19 23 00 --- 06 28 19 60.6 89.1 -3.1 0.0 164 2520 19 20 01 19 23 30 J0934+4908 06 28 49 61.4 86.6 -3.1 0.0 14 2520 19 23 30 19 25 30 =0930+493 06 30 50 61.7 87.0 -3.1 0.0 120 2551 19 23 31 19 25 30 SDSSJ0933+47 06 30 50 60.9 89.7 -3.1 0.0 -16 2551 No stop 19 28 30 --- 06 33 50 61.3 90.3 -3.0 0.0 164 2597 19 25 31 19 28 30 J0934+4908 06 33 50 62.1 87.6 -3.0 0.0 -16 2597 No stop 19 30 30 =0930+493 06 35 50 62.4 88.0 -3.0 0.0 104 2628 19 28 31 19 30 30 SDSSJ0933+47 06 35 50 61.6 90.7 -3.0 0.0 -16 2628 No stop 19 33 30 --- 06 38 51 62.0 91.4 -2.9 0.0 164 2674 19 30 31 19 34 00 J0934+4908 06 39 21 62.8 88.7 -2.9 0.0 14 2674 19 34 00 19 36 00 =0930+493 06 41 21 63.1 89.1 -2.9 0.0 120 2705 19 34 01 19 36 00 SDSSJ0933+47 06 41 21 62.4 91.9 -2.9 0.0 -16 2705 No stop 19 39 00 --- 06 44 22 62.8 92.6 -2.8 0.0 164 2752 19 36 01 19 39 00 J0934+4908 06 44 22 63.5 89.7 -2.9 0.0 -16 2752 No stop 19 41 00 =0930+493 06 46 22 63.8 90.1 -2.8 0.0 104 2782 19 39 01 19 41 00 SDSSJ0933+47 06 46 22 63.0 93.0 -2.8 0.0 -16 2782 No stop 19 44 00 --- 06 49 23 63.4 93.7 -2.8 0.0 164 2829 19 41 01 19 44 30 J0934+4908 06 49 53 64.3 90.9 -2.8 0.0 14 2829 19 44 30 19 46 30 =0930+493 06 51 53 64.5 91.3 -2.7 0.0 120 2860 19 44 31 19 46 30 SDSSJ0933+47 06 51 53 63.8 94.3 -2.7 0.0 -16 2860 No stop 19 49 30 --- 06 54 54 64.2 95.0 -2.7 0.0 164 2906 19 46 31 19 49 30 J0934+4908 06 54 54 64.9 92.0 -2.7 0.0 -16 2906 No stop 19 51 30 =0930+493 06 56 54 65.2 92.4 -2.6 0.0 104 2937 19 49 31 19 51 30 SDSSJ0933+47 06 56 54 64.5 95.5 -2.6 0.0 -16 2937 No stop 19 54 30 --- 06 59 54 64.9 96.2 -2.6 0.0 164 2983 19 51 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 ---------------------------------------------------------------------------------------- --- Fri 24 Feb 2023 Day 55 --- 19 55 00 J0934+4908 07 00 24 65.7 93.2 -2.6 0.0 14 2983 19 55 00 19 57 00 =0930+493 07 02 25 65.9 93.7 -2.6 0.0 120 3014 19 55 01 19 57 00 SDSSJ0933+47 07 02 25 65.2 96.8 -2.5 0.0 -16 3014 No stop 20 00 00 --- 07 05 25 65.6 97.5 -2.5 0.0 164 3061 19 57 01 20 00 00 J0934+4908 07 05 25 66.3 94.4 -2.5 0.0 -16 3061 No stop 20 02 00 =0930+493 07 07 26 66.6 94.8 -2.5 0.0 104 3092 20 00 01 20 02 00 SDSSJ0933+47 07 07 26 65.9 98.0 -2.5 0.0 -16 3092 No stop 20 05 00 --- 07 10 26 66.3 98.8 -2.4 0.0 164 3138 20 02 01 20 05 30 J0934+4908 07 10 56 67.1 95.7 -2.4 0.0 14 3138 20 05 30 20 07 30 =0930+493 07 12 57 67.4 96.2 -2.4 0.0 120 3169 20 05 31 20 07 30 SDSSJ0933+47 07 12 57 66.6 99.5 -2.4 0.0 -16 3169 No stop 20 10 30 --- 07 15 57 67.0 100.3 -2.3 0.0 164 3215 20 07 31 20 10 30 J0934+4908 07 15 57 67.8 96.9 -2.3 0.0 -16 3215 No stop 20 12 30 =0930+493 07 17 57 68.0 97.4 -2.3 0.0 104 3246 20 10 31 20 12 30 SDSSJ0933+47 07 17 57 67.3 100.8 -2.3 0.0 -16 3246 No stop 20 15 30 --- 07 20 58 67.7 101.6 -2.2 0.0 164 3293 20 12 31 20 16 00 J0934+4908 07 21 28 68.5 98.3 -2.2 0.0 14 3293 20 16 00 20 18 00 =0930+493 07 23 28 68.8 98.9 -2.2 0.0 120 3324 20 16 01 20 18 00 SDSSJ0933+47 07 23 28 68.0 102.3 -2.2 0.0 -16 3324 No stop 20 21 00 --- 07 26 29 68.4 103.2 -2.1 0.0 164 3370 20 18 01 20 21 00 J0934+4908 07 26 29 69.2 99.7 -2.2 0.0 -16 3370 No stop 20 23 00 =0930+493 07 28 29 69.4 100.2 -2.1 0.0 104 3401 20 21 01 20 24 00 J0927+3902 07 29 29 63.3 120.8 -2.0 0.0 9 3401 20 24 00 20 30 00 =4C39.25 07 35 30 64.0 122.9 -1.9 0.0 360 3494 20 24 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess123.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: 5 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= 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: 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) * SDSSJ0933+47 09 30 03.015463 * 09 33 21.120000 09 34 54.048427 0.00 47 52 35.27416 * 47 39 15.91000 47 33 07.69278 0.00 From catalog imbedded in main SCHED input file. 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 30.893641 0.31 * J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 19.73393 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 observations. 0930+493 09 30 55.520302 * 09 34 15.762161 09 35 49.729181 0.19 * J0934+4908 49 21 43.43738 * 49 08 21.72954 49 02 12.53422 0.14 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 139 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 SDSSJ0933+4sess123.C2048 1 2 3 4 5 6 7 8 9 2.000 62.667 J0927+3902 sess123.C2048 1 2 3 4 5 6 7 8 9 0.267 8.810 J0934+4908 sess123.C2048 1 2 3 4 5 6 7 8 9 1.500 43.761 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) SDSSJ0933+47 140.0 J0927+3902 147.3 J0934+4908 138.7 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