COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Looking for changes in the jet structure of the z=5.3 blazar J1026+2542 Exp. Code: EF024B Schedule Version: 1.00 Processed by SCHED version: 11.00 Release of Feb. 15, 2013 PI: Sandor Frey Address: FOMI Satellite Geodetic Observatory P.O. Box 585 H-1592 Budapest Hungary Phone: +36 27 200802 EMAIL: frey@sgo.fomi.hu Fax: +36 27 200933 Phone during observation: +36 27 200802 Observing mode: 18 cm 1 Gb/s Notes: Schedule for WSTRBORK (Code Wb ) Page 2 Looking for changes in the jet structure of the z=5.3 blazar J1026+2542 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 ---------------------------------------------------------------------------------------- --- Tue 4 Jun 2013 Day 155 --- 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: 100.49 100.49 100.49 100.49 132.49 132.49 132.49 132.49 164.49 164.49 164.49 164.49 196.49 196.49 196.49 196.49 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 12 10 00 J0854+2006 05 28 55 38.7 109.3 -3.4 0.0 0 0 12 10 00 12 22 00 =0851+202 05 40 57 40.4 112.2 -3.2 0.0 720 92 12 10 04 12 24 10 J1026+2542 05 43 07 31.5 88.2 -4.7 0.0 42 92 12 24 10 12 38 30 =1023+259 05 57 30 33.6 91.0 -4.5 0.0 860 203 12 24 14 12 39 10 J1026+2542 05 58 10 33.7 91.2 -4.5 0.0 29 203 12 39 10 12 53 30 =1023+259 06 12 32 35.9 94.1 -4.2 0.0 860 313 12 39 14 12 54 10 J1026+2542 06 13 12 36.0 94.3 -4.2 0.0 29 313 12 54 10 13 08 30 =1023+259 06 27 35 38.2 97.3 -4.0 0.0 860 423 12 54 14 13 09 10 J1026+2542 06 28 15 38.3 97.4 -4.0 0.0 29 423 13 09 10 13 23 30 =1023+259 06 42 37 40.4 100.6 -3.7 0.0 860 533 13 09 14 13 24 10 J1026+2542 06 43 17 40.5 100.7 -3.7 0.0 29 533 13 24 10 13 38 30 =1023+259 06 57 40 42.6 104.0 -3.5 0.0 860 644 13 24 14 13 39 10 J1026+2542 06 58 20 42.7 104.2 -3.5 0.0 29 644 13 39 10 13 53 30 =1023+259 07 12 42 44.8 107.6 -3.2 0.0 860 754 13 39 14 13 54 10 J1026+2542 07 13 22 44.9 107.8 -3.2 0.0 29 754 13 54 10 14 08 30 =1023+259 07 27 45 46.9 111.4 -3.0 0.0 860 864 13 54 14 14 09 10 J1026+2542 07 28 25 47.0 111.5 -3.0 0.0 29 864 14 09 10 14 23 30 =1023+259 07 42 47 49.0 115.4 -2.7 0.0 860 974 14 09 14 14 25 40 J1159+2914 07 44 57 38.4 91.0 -4.3 0.0 41 974 14 25 40 14 37 40 =1156+295 07 56 59 40.2 93.4 -4.1 0.0 720 1067 14 25 44 14 40 00 J1026+2542 07 59 20 51.2 120.1 -2.5 0.0 48 1067 14 40 00 14 55 00 =1023+259 08 14 22 53.1 124.6 -2.2 0.0 900 1182 14 40 04 14 55 40 J1026+2542 08 15 02 53.2 124.8 -2.2 0.0 29 1182 14 55 40 15 10 00 =1023+259 08 29 25 55.0 129.5 -2.0 0.0 860 1292 14 55 44 15 10 40 J1026+2542 08 30 05 55.0 129.7 -2.0 0.0 29 1292 15 10 40 15 25 00 =1023+259 08 44 27 56.6 134.8 -1.7 0.0 860 1403 15 10 44 Schedule for WSTRBORK (Code Wb ) Page 3 Looking for changes in the jet structure of the z=5.3 blazar J1026+2542 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 ---------------------------------------------------------------------------------------- --- Tue 4 Jun 2013 Day 155 --- 15 25 40 J1026+2542 08 45 07 56.7 135.0 -1.7 0.0 29 1403 15 25 40 15 40 00 =1023+259 08 59 30 58.2 140.4 -1.5 0.0 860 1513 15 25 44 15 40 40 J1026+2542 09 00 10 58.2 140.6 -1.4 0.0 29 1513 15 40 40 15 55 00 =1023+259 09 14 32 59.5 146.4 -1.2 0.0 860 1623 15 40 44 15 55 40 J1026+2542 09 15 12 59.6 146.7 -1.2 0.0 29 1623 15 55 40 16 10 00 =1023+259 09 29 35 60.7 152.8 -1.0 0.0 860 1733 15 55 44 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess213.L1024 Matching groups in /usr/local/sched/catalogs/freq.dat: wb18cm E-mail Foley 22Jan97 MFFE, must be using Low patch ****** Only 244.98 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 1 Station: WSTRBORK Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 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 = 2 1 2 1 4 3 4 3 6 5 6 5 8 7 8 7 BBC SB= L L U U L L U U L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. 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= 100.49 100.49 100.49 100.49 132.49 132.49 132.49 132.49 164.49 164.49 164.49 164.49 196.49 196.49 196.49 196.49 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: 2 13 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J0854+2006 08 51 57.250618 * 08 54 48.874930 08 55 34.834906 0.11 0851+202 20 17 58.41733 * 20 06 30.64078 20 03 19.98596 0.10 J0854+20 /usr/local/sched/catalogs/sources.vlba OJ287 rfc_2012b Petrov, 2012, unpublished 191510 observations * J1026+2542 10 23 36.838101 * 10 26 23.621134 10 27 08.675890 0.82 1023+259 25 58 16.54945 * 25 42 59.42891 25 38 51.89512 0.48 /usr/local/sched/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 157 observations * J1159+2914 11 56 57.786211 * 11 59 31.833912 12 00 13.978915 0.11 1156+295 29 31 25.73868 * 29 14 43.82678 29 10 17.59403 0.10 J1159+29 /usr/local/sched/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 64535 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 J0854+2006 sess213.L1024 1 2 3 4 5 6 7 8 11 12 0.200 15.600 J1026+2542 sess213.L1024 1 2 3 4 5 6 7 8 11 12 3.356 261.733 J1159+2914 sess213.L1024 1 2 3 4 5 6 7 8 11 12 0.200 15.600 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) J0854+2006 56.6 J1026+2542 75.4 J1159+2914 93.0 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