COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103F 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 # V2: Updated the station list COVER LETTER: Schedule for WSTRBORK (Code Wb ) 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 6 Nov 2022 Day 310 --- Next scan frequencies: 8383.49 8383.49 8383.49 8383.49 8447.49 8447.49 8447.49 8447.49 Next BBC frequencies: 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 06 00 00 J1229+0203 09 28 08 26.7 127.0 -3.0 0.0 0 0 06 00 00 06 06 00 =3C273B 09 34 09 27.4 128.5 -2.9 0.0 360 46 06 00 01 06 07 00 J1308+0401 09 35 10 24.3 118.3 -3.6 0.0 15 46 06 07 00 06 13 00 =1305+042 09 41 11 25.1 119.7 -3.5 0.0 360 93 06 07 01 06 13 00 SDSSJ1305+05 09 41 11 26.7 119.5 -3.4 0.0 -18 93 No stop 06 16 00 --- 09 44 11 27.0 120.2 -3.4 0.0 162 116 06 13 01 06 16 30 J1308+0401 09 44 41 25.6 120.5 -3.4 0.0 12 116 06 16 30 06 18 30 =1305+042 09 46 42 25.8 121.0 -3.4 0.0 120 131 06 16 31 06 18 30 SDSSJ1305+05 09 46 42 27.4 120.8 -3.3 0.0 -18 131 No stop 06 21 30 --- 09 49 42 27.8 121.6 -3.3 0.0 162 155 06 18 31 06 21 30 J1308+0401 09 49 42 26.2 121.7 -3.3 0.0 -18 155 No stop 06 23 30 =1305+042 09 51 42 26.5 122.2 -3.3 0.0 102 170 06 21 31 06 23 30 SDSSJ1305+05 09 51 42 28.0 122.0 -3.2 0.0 -18 170 No stop 06 26 30 --- 09 54 43 28.4 122.8 -3.2 0.0 162 193 06 23 31 06 27 00 J1308+0401 09 55 13 26.9 123.0 -3.2 0.0 12 193 06 27 00 06 29 00 =1305+042 09 57 13 27.2 123.5 -3.2 0.0 120 209 06 27 01 06 29 00 SDSSJ1305+05 09 57 13 28.7 123.4 -3.2 0.0 -18 209 No stop 06 32 00 --- 10 00 14 29.1 124.1 -3.1 0.0 162 232 06 29 01 06 32 00 J1308+0401 10 00 14 27.5 124.2 -3.2 0.0 -18 232 No stop 06 34 00 =1305+042 10 02 14 27.8 124.7 -3.1 0.0 102 247 06 32 01 06 34 00 SDSSJ1305+05 10 02 14 29.3 124.6 -3.1 0.0 -18 247 No stop 06 37 00 --- 10 05 15 29.7 125.4 -3.0 0.0 162 271 06 34 01 06 37 30 J1308+0401 10 05 45 28.2 125.6 -3.1 0.0 12 271 06 37 30 06 39 30 =1305+042 10 07 45 28.5 126.1 -3.0 0.0 120 286 06 37 31 06 39 30 SDSSJ1305+05 10 07 45 30.0 126.0 -3.0 0.0 -18 286 No stop 06 42 30 --- 10 10 45 30.4 126.8 -2.9 0.0 162 309 06 39 31 06 42 30 J1308+0401 10 10 45 28.8 126.8 -3.0 0.0 -18 309 No stop 06 44 30 =1305+042 10 12 46 29.1 127.3 -2.9 0.0 102 325 06 42 31 Schedule for WSTRBORK (Code Wb ) 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 6 Nov 2022 Day 310 --- 06 44 30 SDSSJ1305+05 10 12 46 30.6 127.3 -2.9 0.0 -18 325 No stop 06 47 30 --- 10 15 46 31.0 128.0 -2.8 0.0 162 348 06 44 31 06 48 00 J1308+0401 10 16 16 29.5 128.2 -2.9 0.0 12 348 06 48 00 06 50 00 =1305+042 10 18 17 29.7 128.7 -2.9 0.0 120 363 06 48 01 06 50 00 SDSSJ1305+05 10 18 17 31.3 128.7 -2.8 0.0 -18 363 No stop 06 53 00 --- 10 21 17 31.6 129.4 -2.8 0.0 162 386 06 50 01 06 53 00 J1308+0401 10 21 17 30.1 129.5 -2.8 0.0 -18 386 No stop 06 55 00 =1305+042 10 23 18 30.3 130.0 -2.8 0.0 102 402 06 53 01 06 55 00 SDSSJ1305+05 10 23 18 31.9 130.0 -2.7 0.0 -18 402 No stop 06 58 00 --- 10 26 18 32.2 130.7 -2.7 0.0 162 425 06 55 01 06 58 30 J1308+0401 10 26 48 30.7 130.9 -2.7 0.0 12 425 06 58 30 07 00 30 =1305+042 10 28 48 30.9 131.4 -2.7 0.0 120 441 06 58 31 07 00 30 SDSSJ1305+05 10 28 48 32.5 131.4 -2.6 0.0 -18 441 No stop 07 03 30 --- 10 31 49 32.8 132.2 -2.6 0.0 162 464 07 00 31 07 03 30 J1308+0401 10 31 49 31.3 132.2 -2.6 0.0 -18 464 No stop 07 05 30 =1305+042 10 33 49 31.5 132.7 -2.6 0.0 102 479 07 03 31 07 05 30 SDSSJ1305+05 10 33 49 33.1 132.7 -2.5 0.0 -18 479 No stop 07 08 30 --- 10 36 50 33.4 133.5 -2.5 0.0 162 502 07 05 31 07 09 00 J1308+0401 10 37 20 31.9 133.6 -2.5 0.0 12 502 07 09 00 07 11 00 =1305+042 10 39 20 32.1 134.2 -2.5 0.0 120 518 07 09 01 07 11 00 SDSSJ1305+05 10 39 20 33.7 134.2 -2.5 0.0 -18 518 No stop 07 14 00 --- 10 42 21 34.0 135.0 -2.4 0.0 162 541 07 11 01 07 14 00 J1308+0401 10 42 21 32.4 135.0 -2.5 0.0 -18 541 No stop 07 16 00 =1305+042 10 44 21 32.6 135.5 -2.4 0.0 102 556 07 14 01 07 16 00 SDSSJ1305+05 10 44 21 34.2 135.6 -2.4 0.0 -18 556 No stop 07 19 00 --- 10 47 21 34.5 136.4 -2.3 0.0 162 580 07 16 01 07 19 30 J1308+0401 10 47 52 33.0 136.5 -2.4 0.0 12 580 07 19 30 07 21 30 =1305+042 10 49 52 33.2 137.0 -2.3 0.0 120 595 07 19 31 07 21 30 SDSSJ1305+05 10 49 52 34.8 137.1 -2.3 0.0 -18 595 No stop 07 24 30 --- 10 52 52 35.1 137.9 -2.2 0.0 162 618 07 21 31 Schedule for WSTRBORK (Code Wb ) 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 6 Nov 2022 Day 310 --- 07 24 30 J1308+0401 10 52 52 33.5 137.8 -2.3 0.0 -18 618 No stop 07 26 30 =1305+042 10 54 53 33.7 138.4 -2.2 0.0 102 634 07 24 31 07 26 30 SDSSJ1305+05 10 54 53 35.3 138.5 -2.2 0.0 -18 634 No stop 07 29 30 --- 10 57 53 35.6 139.3 -2.1 0.0 162 657 07 26 31 07 30 00 J1308+0401 10 58 23 34.1 139.3 -2.2 0.0 12 657 07 30 00 07 32 00 =1305+042 11 00 24 34.3 139.9 -2.1 0.0 120 672 07 30 01 07 32 00 SDSSJ1305+05 11 00 24 35.8 140.0 -2.1 0.0 -18 672 No stop 07 35 00 --- 11 03 24 36.1 140.9 -2.1 0.0 162 696 07 32 01 07 35 00 J1308+0401 11 03 24 34.6 140.7 -2.1 0.0 -18 696 No stop 07 37 00 =1305+042 11 05 24 34.7 141.3 -2.1 0.0 102 711 07 35 01 07 37 00 SDSSJ1305+05 11 05 24 36.3 141.4 -2.0 0.0 -18 711 No stop 07 40 00 --- 11 08 25 36.6 142.3 -2.0 0.0 162 734 07 37 01 07 40 30 J1308+0401 11 08 55 35.1 142.3 -2.0 0.0 12 734 07 40 30 07 42 30 =1305+042 11 10 55 35.3 142.9 -2.0 0.0 120 750 07 40 31 07 42 30 SDSSJ1305+05 11 10 55 36.8 143.0 -1.9 0.0 -18 750 No stop 07 45 30 --- 11 13 56 37.1 143.9 -1.9 0.0 162 773 07 42 31 07 45 30 J1308+0401 11 13 56 35.5 143.7 -1.9 0.0 -18 773 No stop 07 47 30 =1305+042 11 15 56 35.7 144.3 -1.9 0.0 102 788 07 45 31 07 47 30 SDSSJ1305+05 11 15 56 37.3 144.5 -1.8 0.0 -18 788 No stop 07 50 30 --- 11 18 57 37.5 145.4 -1.8 0.0 162 812 07 47 31 07 51 00 J1308+0401 11 19 27 36.0 145.3 -1.8 0.0 12 812 07 51 00 07 53 00 =1305+042 11 21 27 36.2 145.9 -1.8 0.0 120 827 07 51 01 07 53 00 SDSSJ1305+05 11 21 27 37.7 146.1 -1.8 0.0 -18 827 No stop 07 56 00 --- 11 24 28 38.0 147.0 -1.7 0.0 162 850 07 53 01 07 56 00 J1308+0401 11 24 28 36.4 146.8 -1.7 0.0 -18 850 No stop 07 58 00 =1305+042 11 26 28 36.6 147.3 -1.7 0.0 102 866 07 56 01 07 58 00 J1229+0203 11 26 28 37.3 159.8 -1.1 0.0 -46 866 No stop 08 03 00 =3C273B 11 31 29 37.6 161.3 -1.0 0.0 254 904 07 58 01 08 04 00 J1308+0401 11 32 29 37.1 149.1 -1.6 0.0 15 904 08 04 00 08 09 00 =1305+042 11 37 30 37.5 150.6 -1.5 0.0 300 943 08 04 01 Schedule for WSTRBORK (Code Wb ) 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 6 Nov 2022 Day 310 --- 08 09 00 SDSSJ1305+05 11 37 30 39.0 151.0 -1.5 0.0 -18 943 No stop 08 12 00 --- 11 40 30 39.2 151.9 -1.4 0.0 162 966 08 09 01 08 12 30 J1308+0401 11 41 00 37.7 151.7 -1.5 0.0 12 966 08 12 30 08 14 30 =1305+042 11 43 01 37.9 152.3 -1.4 0.0 120 982 08 12 31 08 14 30 SDSSJ1305+05 11 43 01 39.4 152.7 -1.4 0.0 -18 982 No stop 08 17 30 --- 11 46 01 39.6 153.6 -1.3 0.0 162 1005 08 14 31 08 17 30 J1308+0401 11 46 01 38.1 153.2 -1.4 0.0 -18 1005 No stop 08 19 30 =1305+042 11 48 01 38.2 153.8 -1.4 0.0 102 1020 08 17 31 08 19 30 SDSSJ1305+05 11 48 01 39.7 154.2 -1.3 0.0 -18 1020 No stop 08 22 30 --- 11 51 02 39.9 155.2 -1.3 0.0 162 1043 08 19 31 08 23 00 J1308+0401 11 51 32 38.4 154.9 -1.3 0.0 12 1043 08 23 00 08 25 00 =1305+042 11 53 32 38.6 155.5 -1.3 0.0 120 1059 08 23 01 08 25 00 SDSSJ1305+05 11 53 32 40.1 155.9 -1.2 0.0 -18 1059 No stop 08 28 00 --- 11 56 33 40.3 156.9 -1.2 0.0 162 1082 08 25 01 08 28 00 J1308+0401 11 56 33 38.7 156.4 -1.2 0.0 -18 1082 No stop 08 30 00 =1305+042 11 58 33 38.9 157.1 -1.2 0.0 102 1098 08 28 01 08 30 00 SDSSJ1305+05 11 58 33 40.4 157.5 -1.1 0.0 -18 1098 No stop 08 33 00 --- 12 01 34 40.5 158.5 -1.1 0.0 162 1121 08 30 01 08 33 30 J1308+0401 12 02 04 39.1 158.2 -1.1 0.0 12 1121 08 33 30 08 35 30 =1305+042 12 04 04 39.2 158.8 -1.1 0.0 120 1136 08 33 31 08 35 30 SDSSJ1305+05 12 04 04 40.7 159.3 -1.0 0.0 -18 1136 No stop 08 38 30 --- 12 07 05 40.8 160.3 -1.0 0.0 162 1159 08 35 31 08 38 30 J1308+0401 12 07 05 39.3 159.7 -1.0 0.0 -18 1159 No stop 08 40 30 =1305+042 12 09 05 39.4 160.4 -1.0 0.0 102 1175 08 38 31 08 40 30 SDSSJ1305+05 12 09 05 40.9 160.9 -1.0 0.0 -18 1175 No stop 08 43 30 --- 12 12 05 41.1 161.9 -0.9 0.0 162 1198 08 40 31 08 44 00 J1308+0401 12 12 35 39.6 161.5 -0.9 0.0 12 1198 08 44 00 08 46 00 =1305+042 12 14 36 39.7 162.1 -0.9 0.0 120 1213 08 44 01 08 46 00 SDSSJ1305+05 12 14 36 41.2 162.7 -0.9 0.0 -18 1213 No stop 08 49 00 --- 12 17 36 41.3 163.7 -0.8 0.0 162 1237 08 46 01 Schedule for WSTRBORK (Code Wb ) 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 6 Nov 2022 Day 310 --- 08 49 00 J1308+0401 12 17 36 39.8 163.1 -0.9 0.0 -18 1237 No stop 08 51 00 =1305+042 12 19 37 39.9 163.7 -0.8 0.0 102 1252 08 49 01 08 51 00 SDSSJ1305+05 12 19 37 41.4 164.3 -0.8 0.0 -18 1252 No stop 08 54 00 --- 12 22 37 41.5 165.3 -0.7 0.0 162 1275 08 51 01 08 54 30 J1308+0401 12 23 07 40.1 164.8 -0.8 0.0 12 1275 08 54 30 08 56 30 =1305+042 12 25 07 40.1 165.5 -0.7 0.0 120 1291 08 54 31 08 56 30 SDSSJ1305+05 12 25 07 41.6 166.1 -0.7 0.0 -18 1291 No stop 08 59 30 --- 12 28 08 41.7 167.1 -0.6 0.0 162 1314 08 56 31 08 59 30 J1308+0401 12 28 08 40.3 166.5 -0.7 0.0 -18 1314 No stop 09 01 30 =1305+042 12 30 08 40.3 167.1 -0.7 0.0 102 1329 08 59 31 09 01 30 SDSSJ1305+05 12 30 08 41.8 167.8 -0.6 0.0 -18 1329 No stop 09 04 30 --- 12 33 09 41.9 168.8 -0.6 0.0 162 1353 09 01 31 09 05 00 J1308+0401 12 33 39 40.4 168.3 -0.6 0.0 12 1353 09 05 00 09 07 00 =1305+042 12 35 39 40.5 168.9 -0.6 0.0 120 1368 09 05 01 09 07 00 SDSSJ1305+05 12 35 39 42.0 169.6 -0.5 0.0 -18 1368 No stop 09 10 00 --- 12 38 40 42.0 170.6 -0.5 0.0 162 1391 09 07 01 09 10 00 J1308+0401 12 38 40 40.6 169.9 -0.5 0.0 -18 1391 No stop 09 12 00 =1305+042 12 40 40 40.6 170.5 -0.5 0.0 102 1407 09 10 01 09 12 00 SDSSJ1305+05 12 40 40 42.1 171.3 -0.4 0.0 -18 1407 No stop 09 15 00 --- 12 43 41 42.1 172.3 -0.4 0.0 162 1430 09 12 01 09 15 30 J1308+0401 12 44 11 40.7 171.7 -0.4 0.0 12 1430 09 15 30 09 17 30 =1305+042 12 46 11 40.8 172.4 -0.4 0.0 120 1445 09 15 31 09 17 30 SDSSJ1305+05 12 46 11 42.2 173.1 -0.3 0.0 -18 1445 No stop 09 20 30 --- 12 49 11 42.2 174.1 -0.3 0.0 162 1469 09 17 31 09 20 30 J1308+0401 12 49 11 40.8 173.3 -0.3 0.0 -18 1469 No stop 09 22 30 =1305+042 12 51 12 40.8 174.0 -0.3 0.0 102 1484 09 20 31 09 22 30 SDSSJ1305+05 12 51 12 42.3 174.8 -0.3 0.0 -18 1484 No stop 09 25 30 --- 12 54 12 42.3 175.8 -0.2 0.0 162 1507 09 22 31 09 26 00 J1308+0401 12 54 42 40.9 175.2 -0.2 0.0 12 1507 09 26 00 09 28 00 =1305+042 12 56 43 40.9 175.8 -0.2 0.0 120 1523 09 26 01 Schedule for WSTRBORK (Code Wb ) 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 6 Nov 2022 Day 310 --- 09 28 00 SDSSJ1305+05 12 56 43 42.3 176.7 -0.2 0.0 -18 1523 No stop 09 31 00 --- 12 59 43 42.4 177.7 -0.1 0.0 162 1546 09 28 01 09 31 00 J1308+0401 12 59 43 40.9 176.8 -0.2 0.0 -18 1546 No stop 09 33 00 =1305+042 13 01 43 41.0 177.5 -0.1 0.0 102 1561 09 31 01 09 33 00 SDSSJ1305+05 13 01 43 42.4 178.4 -0.1 0.0 -18 1561 No stop 09 36 00 --- 13 04 44 42.4 179.4 -0.0 0.0 162 1584 09 33 01 09 36 30 J1308+0401 13 05 14 41.0 178.6 -0.1 0.0 12 1584 09 36 30 09 38 30 =1305+042 13 07 14 41.0 179.3 -0.0 0.0 120 1600 09 36 31 09 38 30 SDSSJ1305+05 13 07 14 42.4 180.2 0.0 0.0 -18 1600 No stop 09 41 30 --- 13 10 15 42.4 181.2 0.1 0.0 162 1623 09 38 31 09 41 30 J1308+0401 13 10 15 41.0 180.3 0.0 0.0 -18 1623 No stop 09 43 30 =1305+042 13 12 15 41.0 180.9 0.0 0.0 102 1639 09 41 31 09 43 30 SDSSJ1305+05 13 12 15 42.4 181.9 0.1 0.0 -18 1639 No stop 09 46 30 --- 13 15 16 42.3 182.9 0.1 0.0 162 1662 09 43 31 09 47 00 J1308+0401 13 15 46 41.0 182.1 0.1 0.0 12 1662 09 47 00 09 49 00 =1305+042 13 17 46 41.0 182.8 0.1 0.0 120 1677 09 47 01 09 49 00 SDSSJ1305+05 13 17 46 42.3 183.8 0.2 0.0 -18 1677 No stop 09 52 00 --- 13 20 47 42.3 184.8 0.2 0.0 162 1700 09 49 01 09 52 00 J1308+0401 13 20 47 40.9 183.8 0.2 0.0 -18 1700 No stop 09 54 00 =1305+042 13 22 47 40.9 184.4 0.2 0.0 102 1716 09 52 01 09 54 00 J1229+0203 13 22 47 37.9 196.7 0.9 0.0 -46 1716 No stop 10 00 00 =3C273B 13 28 48 37.6 198.6 1.0 0.0 314 1762 09 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.X2048 --- 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: 9 Station: WSTRBORK Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 8012.00 8012.00 8012.00 8012.00 8012.00 8012.00 8012.00 8012.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 1 Setup file default. Used with PCAL = off LO sum= 8383.49 8383.49 8383.49 8383.49 8447.49 8447.49 8447.49 8447.49 BBC fr= 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 1 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 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 34.564022 0.00 05 40 52.45613 * 05 24 49.43000 05 17 38.37685 0.00 From catalog imbedded in main SCHED input file. 3C273B 12 26 33.245835 * 12 29 06.699731 12 30 15.010801 1.03 * J1229+0203 02 19 43.30570 * 02 03 08.59820 01 55 44.26250 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 23.265879 0.21 * J1308+0401 04 17 08.92252 * 04 01 09.35114 03 54 00.09714 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.X2048 1 2 3 4 5 6 7 9 2.000 59.378 J1229+0203 sess322.X2048 1 2 3 4 5 6 7 9 0.283 8.057 J1308+0401 sess322.X2048 1 2 3 4 5 6 7 9 1.517 47.167 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 32.5 J1229+0203 38.0 J1308+0401 31.0 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