COVER INFORMATION Station: BADARY (Code Bd ) Experiment: Looking for changes in the jet structure of the z=5.3 blazar J1026+2542 Exp. Code: EF024A 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: 6 cm 1 Gb/s Notes: Schedule for BADARY (Code Bd ) 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 28 May 2013 Day 148 --- Next scan frequencies: 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 Next BBC frequencies: 442.49 442.49 442.49 442.49 474.49 474.49 474.49 474.49 506.49 506.49 506.49 506.49 538.49 538.49 538.49 538.49 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 40 00 J0854+2006 11 53 48 43.1 604.6 3.0 36.5 0 0 12 40 00 12 52 00 =0851+202 12 05 50 41.4 607.6 3.2 37.5 720 92 12 40 01 12 54 10 J1026+2542 12 08 01 57.6 585.9 1.7 29.5 82 92 12 54 10 13 08 30 =1023+259 12 22 23 56.0 590.9 1.9 32.2 860 203 12 54 11 13 09 10 J1026+2542 12 23 03 55.9 591.2 1.9 32.3 34 203 13 09 10 13 23 30 =1023+259 12 37 25 54.1 595.9 2.2 34.6 860 313 13 09 11 13 24 10 J1026+2542 12 38 06 54.0 596.1 2.2 34.7 34 313 13 24 10 13 38 30 =1023+259 12 52 28 52.1 600.5 2.4 36.7 860 423 13 24 11 13 39 10 J1026+2542 12 53 08 52.0 600.7 2.4 36.8 34 423 13 39 10 13 53 30 =1023+259 13 07 30 50.1 604.7 2.7 38.4 860 533 13 39 11 13 54 10 J1026+2542 13 08 11 50.0 604.9 2.7 38.4 34 533 13 54 10 14 08 30 =1023+259 13 22 33 47.9 608.8 2.9 39.8 860 644 13 54 11 14 09 10 J1026+2542 13 23 13 47.8 608.9 2.9 39.8 34 644 14 09 10 14 23 30 =1023+259 13 37 35 45.7 612.5 3.2 40.9 860 754 14 09 11 14 24 10 J1026+2542 13 38 15 45.6 612.7 3.2 40.9 34 754 14 24 10 14 38 30 =1023+259 13 52 38 43.5 616.1 3.4 41.8 860 864 14 24 11 14 39 10 J1026+2542 13 53 18 43.4 616.3 3.4 41.8 34 864 14 39 10 14 53 30 =1023+259 14 07 40 41.2 619.5 3.7 42.5 860 974 14 39 11 14 55 40 J1159+2914 14 09 51 57.0 599.3 2.2 37.6 83 974 14 55 40 15 07 40 =1156+295 14 21 53 55.4 603.0 2.4 39.2 720 1067 14 55 41 15 10 00 J1026+2542 14 24 13 38.7 623.1 4.0 43.0 92 1067 15 10 00 15 25 00 =1023+259 14 39 15 36.4 626.2 4.2 43.2 900 1182 15 10 01 15 25 40 J1026+2542 14 39 56 36.3 626.3 4.2 43.2 34 1182 15 25 40 15 40 00 =1023+259 14 54 18 34.0 629.2 4.5 43.3 860 1292 15 25 41 15 40 40 J1026+2542 14 54 58 33.9 629.4 4.5 43.3 34 1292 15 40 40 15 55 00 =1023+259 15 09 20 31.7 632.2 4.7 43.3 860 1403 15 40 41 Schedule for BADARY (Code Bd ) 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 28 May 2013 Day 148 --- 15 55 40 J1026+2542 15 10 00 31.6 632.3 4.7 43.3 34 1403 15 55 40 16 10 00 =1023+259 15 24 23 29.4 635.0 5.0 43.1 860 1513 15 55 41 16 10 40 J1026+2542 15 25 03 29.3 635.2 5.0 43.1 34 1513 16 10 40 16 25 00 =1023+259 15 39 25 27.1 637.8 5.2 42.8 860 1623 16 10 41 16 25 40 J1026+2542 15 40 05 27.0 638.0 5.2 42.8 34 1623 16 25 40 16 37 30 =1023+259 15 51 57 25.2 640.2 5.4 42.5 710 1714 16 25 41 16 38 00 J1026+2542 15 52 27 25.1 640.2 5.4 42.5 24 1714 16 38 00 16 40 00 =1023+259 15 54 28 24.8 640.6 5.5 42.4 120 1729 16 38 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess213.C1024 Matching groups in /usr/local/sched/catalogs/freq.dat: kvzr_c Added by Des Small, 24 February 2012 Setup group: 8 Station: BADARY 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= 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 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 = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. LO sum= 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 BBC fr= 442.49 442.49 442.49 442.49 474.49 474.49 474.49 474.49 506.49 506.49 506.49 506.49 538.49 538.49 538.49 538.49 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: 9 10 11 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 34.926297 0.11 0851+202 20 17 58.41733 * 20 06 30.64078 20 03 19.70618 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 08.790481 0.82 1023+259 25 58 16.54945 * 25 42 59.42891 25 38 51.41702 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 14.091594 0.11 1156+295 29 31 25.73868 * 29 14 43.82678 29 10 16.72303 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.C1024 1 2 3 4 5 6 7 8 9 12 13 14 0.200 18.200 J1026+2542 sess213.C1024 1 2 3 4 5 6 7 8 9 12 13 14 3.347 304.164 J1159+2914 sess213.C1024 1 2 3 4 5 6 7 8 9 12 13 14 0.200 18.200 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 63.3 J1026+2542 81.8 J1159+2914 99.0 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