COVER INFORMATION Station: HART (Code Hh ) 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 HART (Code Hh ) 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: 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 438.49 438.49 438.49 438.49 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 06 55 37 35.6 35.3 -2.0 0.0 0 0 12 40 00 12 52 00 =0851+202 07 07 39 37.1 32.3 -1.8 0.0 720 92 12 40 04 12 54 10 J1026+2542 07 09 49 19.8 46.6 -3.3 0.0 58 92 12 54 10 13 08 30 =1023+259 07 24 11 22.1 44.2 -3.0 0.0 860 203 12 54 14 13 09 10 J1026+2542 07 24 51 22.3 44.1 -3.0 0.0 19 203 13 09 10 13 23 30 =1023+259 07 39 14 24.4 41.5 -2.8 0.0 860 313 13 09 14 13 24 10 J1026+2542 07 39 54 24.5 41.4 -2.8 0.0 19 313 13 24 10 13 38 30 =1023+259 07 54 16 26.6 38.6 -2.5 0.0 860 423 13 24 14 13 39 10 J1026+2542 07 54 56 26.7 38.5 -2.5 0.0 19 423 13 39 10 13 53 30 =1023+259 08 09 19 28.7 35.5 -2.3 0.0 860 533 13 39 14 13 54 10 J1026+2542 08 09 59 28.8 35.4 -2.3 0.0 19 533 13 54 10 14 08 30 =1023+259 08 24 21 30.6 32.3 -2.0 0.0 860 644 13 54 14 14 09 10 J1026+2542 08 25 01 30.6 32.2 -2.0 0.0 19 644 14 09 10 14 23 30 =1023+259 08 39 24 32.3 28.9 -1.8 0.0 860 754 14 09 14 14 24 10 J1026+2542 08 40 04 32.3 28.7 -1.8 0.0 19 754 14 24 10 14 38 30 =1023+259 08 54 26 33.8 25.3 -1.5 0.0 860 864 14 24 14 14 39 10 J1026+2542 08 55 06 33.9 25.1 -1.5 0.0 19 864 14 39 10 14 53 30 =1023+259 09 09 29 35.2 21.5 -1.3 0.0 860 974 14 39 14 14 55 40 J1159+2914 09 11 39 21.7 39.1 -2.8 0.0 57 974 14 55 40 15 07 40 =1156+295 09 23 41 23.4 36.9 -2.6 0.0 720 1067 14 55 44 15 10 00 J1026+2542 09 26 01 36.4 17.2 -1.0 0.0 66 1067 15 10 00 15 25 00 =1023+259 09 41 04 37.3 13.1 -0.8 0.0 900 1182 15 10 04 15 25 40 J1026+2542 09 41 44 37.3 12.9 -0.8 0.0 19 1182 15 25 40 15 40 00 =1023+259 09 56 06 37.9 8.9 -0.5 0.0 860 1292 15 25 44 15 40 40 J1026+2542 09 56 46 37.9 8.7 -0.5 0.0 19 1292 15 40 40 15 55 00 =1023+259 10 11 09 38.3 4.6 -0.3 0.0 860 1403 15 40 44 Schedule for HART (Code Hh ) 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 10 11 49 38.3 4.4 -0.3 0.0 19 1403 15 55 40 16 10 00 =1023+259 10 26 11 38.5 0.3 0.0 0.0 860 1513 15 55 44 16 10 40 J1026+2542 10 26 51 38.5 0.1 0.0 0.0 19 1513 16 10 40 16 25 00 =1023+259 10 41 14 38.4 356.0 0.2 0.0 860 1623 16 10 44 16 25 40 J1026+2542 10 41 54 38.3 355.8 0.2 0.0 19 1623 16 25 40 16 37 30 =1023+259 10 53 46 38.1 352.4 0.4 0.0 710 1714 16 25 44 16 38 00 J1026+2542 10 54 16 38.0 352.2 0.5 0.0 9 1714 16 38 00 16 40 00 =1023+259 10 56 16 38.0 351.7 0.5 0.0 120 1729 16 38 04 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: hh6cm Values confirmed by E-mail Jonathan Quick 221105 (CR) Setup group: 11 Station: HART 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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: 14 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= 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 438.49 438.49 438.49 438.49 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: 14 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