COVER INFORMATION Station: HART (Code Hh ) 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 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 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 06 53 08 35.3 35.9 -2.0 0.0 0 0 12 10 00 12 22 00 =0851+202 07 05 10 36.8 32.9 -1.8 0.0 720 92 12 10 04 12 24 10 J1026+2542 07 07 20 19.4 47.0 -3.3 0.0 58 92 12 24 10 12 38 30 =1023+259 07 21 42 21.8 44.6 -3.1 0.0 860 203 12 24 14 12 39 10 J1026+2542 07 22 22 21.9 44.5 -3.1 0.0 19 203 12 39 10 12 53 30 =1023+259 07 36 45 24.1 41.9 -2.8 0.0 860 313 12 39 14 12 54 10 J1026+2542 07 37 25 24.2 41.8 -2.8 0.0 19 313 12 54 10 13 08 30 =1023+259 07 51 47 26.3 39.1 -2.6 0.0 860 423 12 54 14 13 09 10 J1026+2542 07 52 27 26.4 39.0 -2.6 0.0 19 423 13 09 10 13 23 30 =1023+259 08 06 50 28.3 36.1 -2.3 0.0 860 533 13 09 14 13 24 10 J1026+2542 08 07 30 28.4 35.9 -2.3 0.0 19 533 13 24 10 13 38 30 =1023+259 08 21 52 30.3 32.9 -2.1 0.0 860 644 13 24 14 13 39 10 J1026+2542 08 22 32 30.3 32.7 -2.1 0.0 19 644 13 39 10 13 53 30 =1023+259 08 36 55 32.0 29.5 -1.8 0.0 860 754 13 39 14 13 54 10 J1026+2542 08 37 35 32.1 29.3 -1.8 0.0 19 754 13 54 10 14 08 30 =1023+259 08 51 57 33.6 25.9 -1.6 0.0 860 864 13 54 14 14 09 10 J1026+2542 08 52 37 33.6 25.7 -1.6 0.0 19 864 14 09 10 14 23 30 =1023+259 09 07 00 35.0 22.1 -1.3 0.0 860 974 14 09 14 14 25 40 J1159+2914 09 09 10 21.3 39.5 -2.9 0.0 57 974 14 25 40 14 37 40 =1156+295 09 21 12 23.0 37.4 -2.7 0.0 720 1067 14 25 44 14 40 00 J1026+2542 09 23 32 36.2 17.8 -1.1 0.0 66 1067 14 40 00 14 55 00 =1023+259 09 38 35 37.1 13.8 -0.8 0.0 900 1182 14 40 04 14 55 40 J1026+2542 09 39 15 37.2 13.6 -0.8 0.0 19 1182 14 55 40 15 10 00 =1023+259 09 53 37 37.8 9.6 -0.6 0.0 860 1292 14 55 44 15 10 40 J1026+2542 09 54 17 37.9 9.4 -0.5 0.0 19 1292 15 10 40 15 25 00 =1023+259 10 08 40 38.3 5.3 -0.3 0.0 860 1403 15 10 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 4 Jun 2013 Day 155 --- 15 25 40 J1026+2542 10 09 20 38.3 5.1 -0.3 0.0 19 1403 15 25 40 15 40 00 =1023+259 10 23 42 38.5 1.0 -0.1 0.0 860 1513 15 25 44 15 40 40 J1026+2542 10 24 22 38.5 0.8 0.0 0.0 19 1513 15 40 40 15 55 00 =1023+259 10 38 45 38.4 356.7 0.2 0.0 860 1623 15 40 44 15 55 40 J1026+2542 10 39 25 38.4 356.5 0.2 0.0 19 1623 15 55 40 16 10 00 =1023+259 10 53 47 38.1 352.4 0.4 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: hh18cm Values confirmed by E-mail Jonathan Quick 291100 (CR) ****** 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: 10 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= 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