COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: vhs1256-1257 -Epoch 1 Exp. Code: EG092A Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Jose C. Guirado Address: Dpto. Astronomia, Univ. Valencia Dr. Moliner 50 E-46100 Burjassot Valencia, Spain Phone: +34 963543078 EMAIL: Jose.C.Guirado@uv.es Fax: +34 963543084 Phone during observation: +34 963543078, +34629509130 Observing mode: Phase-referencing at 18cm (1024 Mb/s) Notes: Dual Pol Schedule for TIANMA65 (Code T6 ) Page 2 vhs1256-1257 -Epoch 1 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 4 Mar 2016 Day 64 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 659.51 659.51 659.51 659.51 627.51 627.51 627.51 627.51 595.51 595.51 595.51 595.51 563.51 563.51 563.51 563.51 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 21 00 00 4C39.25 15 56 44 14.0 -52.7 6.5 61.1 0 0 21 00 00 21 04 00 --- 16 00 45 13.3 -52.3 6.5 60.6 240 31 21 00 01 21 07 00 4C39.25 16 03 46 12.8 -52.0 6.6 60.2 178 31 21 07 00 21 11 00 --- 16 07 46 12.1 -51.6 6.7 59.6 240 62 21 07 01 21 14 00 4C39.25 16 10 47 11.6 -51.3 6.7 59.2 178 62 21 14 00 21 18 00 --- 16 14 47 11.0 -50.9 6.8 58.7 240 92 21 14 01 21 27 38 J1303-1051 16 24 27 26.2 237.1 3.3 47.1 0 92 21 27 38 21 29 18 =1300-105 16 26 07 25.9 237.4 3.4 47.3 100 105 21 27 39 21 29 18 VHS1256 16 26 07 23.2 237.0 3.5 47.5 -13 105 No stop 21 32 58 --- 16 29 48 22.5 237.6 3.5 47.9 207 133 21 29 19 21 32 58 J1254-1317 16 29 48 22.0 237.6 3.6 48.0 -4 133 No stop 21 34 38 =1251-130 16 31 28 21.7 237.9 3.6 48.2 96 146 21 32 59 21 35 00 J1303-1051 16 31 50 24.9 238.4 3.5 48.0 7 146 21 35 00 21 36 40 =1300-105 16 33 30 24.6 238.7 3.5 48.2 100 159 21 35 01 21 36 40 VHS1256 16 33 30 21.8 238.3 3.6 48.4 -13 159 No stop 21 40 20 --- 16 37 11 21.2 238.9 3.7 48.8 207 187 21 36 41 21 40 20 J1254-1317 16 37 11 20.7 238.9 3.7 48.9 -4 187 No stop 21 42 00 =1251-130 16 38 51 20.4 239.2 3.7 49.1 96 200 21 40 21 21 42 22 J1303-1051 16 39 13 23.5 239.7 3.6 48.9 7 200 21 42 22 21 44 02 =1300-105 16 40 54 23.2 240.0 3.6 49.1 100 213 21 42 23 21 44 02 VHS1256 16 40 54 20.5 239.6 3.7 49.3 -13 213 No stop 21 47 42 --- 16 44 34 19.8 240.2 3.8 49.7 207 241 21 44 03 21 47 42 J1254-1317 16 44 34 19.3 240.2 3.8 49.8 -4 241 No stop 21 49 22 =1251-130 16 46 14 19.0 240.4 3.8 50.0 96 254 21 47 43 21 49 44 J1303-1051 16 46 36 22.1 241.0 3.7 49.7 7 254 21 49 44 21 51 24 =1300-105 16 48 17 21.8 241.3 3.7 49.9 100 267 21 49 45 Schedule for TIANMA65 (Code T6 ) Page 3 vhs1256-1257 -Epoch 1 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 4 Mar 2016 Day 64 --- 21 51 24 VHS1256 16 48 17 19.1 240.8 3.9 50.1 -13 267 No stop 21 55 04 --- 16 51 57 18.4 241.4 3.9 50.5 207 295 21 51 25 21 55 04 J1254-1317 16 51 57 17.9 241.4 3.9 50.6 -4 295 No stop 21 56 44 =1251-130 16 53 38 17.6 241.6 4.0 50.8 96 308 21 55 05 21 57 06 J1303-1051 16 54 00 20.7 242.3 3.8 50.5 7 308 21 57 06 21 58 46 =1300-105 16 55 40 20.4 242.5 3.9 50.7 100 321 21 57 07 21 58 46 VHS1256 16 55 40 17.7 242.0 4.0 50.9 -13 321 No stop 22 02 26 --- 16 59 21 17.0 242.6 4.0 51.3 207 349 21 58 47 22 02 26 J1254-1317 16 59 21 16.5 242.6 4.1 51.4 -4 349 No stop 22 04 06 =1251-130 17 01 01 16.2 242.8 4.1 51.5 96 362 22 02 27 22 04 28 J1303-1051 17 01 23 19.3 243.5 4.0 51.3 7 362 22 04 28 22 06 08 =1300-105 17 03 03 19.0 243.8 4.0 51.5 100 374 22 04 29 22 06 08 VHS1256 17 03 03 16.3 243.2 4.1 51.7 -13 374 No stop 22 09 48 --- 17 06 44 15.6 243.8 4.2 52.0 207 403 22 06 09 22 09 48 J1254-1317 17 06 44 15.1 243.7 4.2 52.1 -4 403 No stop 22 11 28 =1251-130 17 08 24 14.8 244.0 4.2 52.3 96 415 22 09 49 22 11 50 J1303-1051 17 08 46 17.9 244.7 4.1 52.0 7 415 22 11 50 22 13 30 =1300-105 17 10 26 17.6 244.9 4.1 52.2 100 428 22 11 51 22 13 30 VHS1256 17 10 26 14.9 244.3 4.2 52.4 -13 428 No stop 22 17 10 --- 17 14 07 14.2 244.9 4.3 52.7 207 456 22 13 31 22 17 10 J1254-1317 17 14 07 13.7 244.8 4.3 52.8 -4 456 No stop 22 18 50 =1251-130 17 15 47 13.4 245.1 4.3 53.0 96 469 22 17 11 22 19 12 J1303-1051 17 16 09 16.5 245.8 4.2 52.7 7 469 22 19 12 22 20 52 =1300-105 17 17 50 16.1 246.1 4.2 52.9 100 482 22 19 13 22 20 52 VHS1256 17 17 50 13.5 245.5 4.3 53.1 -13 482 No stop 22 24 32 --- 17 21 30 12.8 246.0 4.4 53.4 207 510 22 20 53 22 24 32 J1254-1317 17 21 30 12.3 246.0 4.4 53.5 -4 510 No stop 22 26 12 =1251-130 17 23 10 11.9 246.2 4.5 53.6 96 523 22 24 33 22 26 12 J1303-1051 17 23 10 15.1 246.9 4.3 53.4 -14 523 No stop 22 27 52 =1300-105 17 24 51 14.8 247.2 4.3 53.5 86 536 22 26 13 Schedule for TIANMA65 (Code T6 ) Page 4 vhs1256-1257 -Epoch 1 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 4 Mar 2016 Day 64 --- 22 27 52 VHS1256 17 24 51 12.1 246.5 4.5 53.7 -13 536 No stop 22 31 32 --- 17 28 31 11.4 247.0 4.5 54.0 207 564 22 27 53 22 31 32 J1254-1317 17 28 31 10.9 247.0 4.6 54.1 -4 564 No stop 22 33 12 =1251-130 17 30 12 10.6 247.2 4.6 54.2 96 577 22 31 33 22 33 34 J1303-1051 17 30 34 13.6 248.0 4.4 54.0 8 577 22 33 34 22 35 14 =1300-105 17 32 14 13.3 248.3 4.5 54.1 100 590 22 33 35 22 35 14 VHS1256 17 32 14 10.6 247.6 4.6 54.3 -13 590 No stop 22 38 54 --- 17 35 55 9.9 248.1 4.7 54.6 207 618 22 35 15 22 38 54 J1254-1317 17 35 55 9.4 248.0 4.7 54.7 -4 618 No stop 22 40 34 =1251-130 17 37 35 9.1 248.3 4.7 54.9 96 631 22 38 55 22 40 34 J1303-1051 17 37 35 12.2 249.0 4.6 54.5 -14 631 No stop 22 42 14 =1300-105 17 39 15 11.9 249.3 4.6 54.7 86 644 22 40 35 22 42 14 VHS1256 17 39 15 9.2 248.6 4.7 54.9 -13 644 No stop 22 45 54 --- 17 42 56 8.5 249.1 4.8 55.2 207 672 22 42 15 22 45 54 J1254-1317 17 42 56 8.0 249.0 4.8 55.3 -4 672 No stop 22 47 34 =1251-130 17 44 36 7.7 249.3 4.8 55.4 96 685 22 45 55 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess116.L1024 --- 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: 13 Station: TIANMA65 Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 Net SB= L L U U L L U U L L U U L L U U IF SB = L L L L L L L L L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= U U L L U U L L U U L L U U L L IF = A2 B1 A2 B1 A2 B1 A2 B1 A2 B1 A2 B1 A2 B1 A2 B1 The following frequency sets based on these setups were used. Frequency Set: 7 Setup file default. Used with PCAL = off LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 659.51 659.51 659.51 659.51 627.51 627.51 627.51 627.51 595.51 595.51 595.51 595.51 563.51 563.51 563.51 563.51 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 7 Track assignments are: track1= 2, 10, 18, 26, 4, 12, 20, 28, 6, 14, 22, 30, 8, 16, 24, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * VHS1256 12 53 24.559862 * 12 56 01.922000 12 56 54.015534 0.00 -12 41 10.24138 *-12 57 23.99000 -13 02 41.00646 0.00 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319215 * 09 27 03.013936 09 28 04.592203 0.30 J0927+3902 39 15 23.56645 * 39 02 20.85186 38 57 58.97279 0.16 0923+392 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J0927+39 GSFC 2015a astro solution, unpublished 245753 observations. 1251-130 12 51 54.110022 * 12 54 31.468276 12 55 23.570939 0.20 * J1254-1317 -13 01 00.92342 *-13 17 16.21192 -13 22 33.75431 0.48 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 113 observations. 1300-105 13 00 36.725057 * 13 03 13.867950 13 04 05.832564 0.06 * J1303-1051 -10 35 11.31965 *-10 51 17.12968 -10 56 31.57270 0.13 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 247 observations. * 1424+366 14 24 32.676820 * 14 26 37.087501 14 27 17.795696 0.03 J1426+3625 36 38 36.02432 * 36 25 09.57362 36 20 40.02490 0.03 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 1287 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 VHS1256 sess116.L1024 1 2 3 4 5 6 7 8 9 10 11 12 + 3.728 167.819 4C39.25 sess116.L1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.200 14.800 J1254-1317 sess116.L1024 1 2 3 4 5 6 7 8 9 10 11 12 + 1.694 72.799 J1303-1051 sess116.L1024 1 2 3 4 5 6 7 8 9 10 11 12 + 1.694 75.211 1424+366 sess116.L1024 1 2 3 4 5 6 9 10 11 12 13 0.133 7.333 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) VHS1256 146.2 4C39.25 140.5 J1254-1317 146.3 J1303-1051 145.7 1424+366 124.6 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