COVER INFORMATION Station: SHANGHAI (Code Sh ) 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 SHANGHAI (Code Sh ) 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: 689.51 689.51 689.51 689.51 657.51 657.51 657.51 657.51 625.51 625.51 625.51 625.51 593.51 593.51 593.51 593.51 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 12 10 00 J0854+2006 13 07 11 32.9 275.0 4.2 65.2 0 0 12 10 00 12 22 00 =0851+202 13 19 13 30.4 276.4 4.4 65.0 720 92 12 10 01 12 24 10 J1026+2542 13 21 23 51.5 273.1 2.9 71.5 90 92 12 24 10 12 38 30 =1023+259 13 35 46 48.5 274.7 3.1 71.2 860 203 12 24 11 12 39 10 J1026+2542 13 36 26 48.3 274.7 3.2 71.2 38 203 12 39 10 12 53 30 =1023+259 13 50 48 45.3 276.3 3.4 70.8 860 313 12 39 11 12 54 10 J1026+2542 13 51 28 45.1 276.4 3.4 70.7 38 313 12 54 10 13 08 30 =1023+259 14 05 51 42.1 277.8 3.6 70.2 860 423 12 54 11 13 09 10 J1026+2542 14 06 31 41.9 277.9 3.7 70.2 38 423 13 09 10 13 23 30 =1023+259 14 20 53 38.9 279.4 3.9 69.6 860 533 13 09 11 13 24 10 J1026+2542 14 21 33 38.7 279.4 3.9 69.6 38 533 13 24 10 13 38 30 =1023+259 14 35 56 35.7 280.9 4.1 68.9 860 644 13 24 11 13 39 10 J1026+2542 14 36 36 35.6 281.0 4.2 68.8 38 644 13 39 10 13 53 30 =1023+259 14 50 58 32.6 282.4 4.4 68.1 860 754 13 39 11 13 54 10 J1026+2542 14 51 38 32.4 282.5 4.4 68.0 38 754 13 54 10 14 08 30 =1023+259 15 06 01 29.4 283.9 4.6 67.2 860 864 13 54 11 14 09 10 J1026+2542 15 06 41 29.3 284.0 4.7 67.2 38 864 14 09 10 14 23 30 =1023+259 15 21 03 26.3 285.4 4.9 66.3 860 974 14 09 11 14 25 40 J1159+2914 15 23 13 46.5 281.0 3.4 74.3 92 974 14 25 40 14 37 40 =1156+295 15 35 15 43.9 282.1 3.6 73.5 720 1067 14 25 41 14 40 00 J1026+2542 15 37 36 22.9 287.1 5.2 65.2 101 1067 14 40 00 14 55 00 =1023+259 15 52 38 19.8 288.6 5.4 64.2 900 1182 14 40 01 14 55 40 J1026+2542 15 53 18 19.7 288.7 5.4 64.1 38 1182 14 55 40 15 10 00 =1023+259 16 07 41 16.8 290.2 5.7 63.0 860 1292 14 55 41 15 10 40 J1026+2542 16 08 21 16.7 290.3 5.7 63.0 38 1292 15 10 40 15 25 00 =1023+259 16 22 43 13.8 291.9 5.9 61.8 860 1403 15 10 41 Schedule for SHANGHAI (Code Sh ) 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 16 23 23 13.7 291.9 5.9 61.8 38 1403 15 25 40 15 40 00 =1023+259 16 37 46 10.8 293.5 6.2 60.6 860 1513 15 25 41 15 40 40 J1026+2542 16 38 26 10.7 293.6 6.2 60.5 38 1513 15 40 40 15 55 00 =1023+259 16 52 48 7.9 295.3 6.4 59.2 860 1623 15 40 41 15 55 40 J1026+2542 16 53 28 7.8 295.3 6.4 59.1 38 1623 15 55 40 16 10 00 =1023+259 17 07 51 5.0 297.0 6.7 57.8 860 1733 15 55 41 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: sh18cm Huang Xinyong 27Sept05 ****** 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: 9 Station: SHANGHAI 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= 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 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 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = C A C A C A C A C A C A C A C A The following frequency sets based on these setups were used. Frequency Set: 12 Setup file default. Used pcal sets: 1 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= 689.51 689.51 689.51 689.51 657.51 657.51 657.51 657.51 625.51 625.51 625.51 625.51 593.51 593.51 593.51 593.51 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: 12 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 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