COVER INFORMATION Station: HART (Code Hh ) Experiment: 5 GHz observation of 1ES 1218+304 Exp. Code: EA053C Schedule Version: 1.00 Processed by SCHED version: 11.00 Release of Feb. 15, 2013 PI: Kazunori Akiyama Address: National Astronomical Observatory of Japan 2-21-1, Osawa, Mitaka, Tokyo Japan Phone: +81 422 34 3939 EMAIL: kazunori.akiyama@nao.ac.jp Fax: +81 422 34 3814 Phone during observation: +81 422 34 3939 Observing mode: VLBA/MKIV Notes: Schedule for HART (Code Hh ) Page 2 5 GHz observation of 1ES 1218+304 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 ---------------------------------------------------------------------------------------- --- Wed 5 Mar 2014 Day 64 --- 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 19 24 00 1218+304 08 08 35 7.5 51.3 -4.2 D 0.0 0 0 19 24 00 19 29 30 --- 08 14 06 8.4 50.6 -4.1 0.0 0 42 19 24 01 19 30 00 1218+304 08 14 36 8.5 50.5 -4.1 0.0 9 42 19 30 00 19 35 30 --- 08 20 07 9.5 49.8 -4.0 0.0 330 85 19 30 01 19 36 00 1218+304 08 20 37 9.5 49.7 -4.0 0.0 9 85 19 36 00 19 41 30 --- 08 26 08 10.5 49.0 -3.9 0.0 330 127 19 36 01 19 42 00 1218+304 08 26 38 10.6 48.9 -3.9 0.0 9 127 19 42 00 19 47 30 --- 08 32 09 11.5 48.1 -3.8 0.0 330 169 19 42 01 19 48 00 1218+304 08 32 39 11.6 48.1 -3.8 0.0 9 169 19 48 00 19 53 30 --- 08 38 10 12.5 47.3 -3.7 0.0 330 212 19 48 01 20 00 00 1218+304 08 44 41 13.6 46.3 -3.6 0.0 368 212 20 00 00 20 05 30 --- 08 50 12 14.5 45.5 -3.5 0.0 330 254 20 00 01 20 06 00 1218+304 08 50 42 14.5 45.4 -3.5 0.0 9 254 20 06 00 20 11 30 --- 08 56 13 15.4 44.6 -3.4 0.0 330 296 20 06 01 20 12 00 1218+304 08 56 43 15.5 44.5 -3.4 0.0 9 296 20 12 00 20 17 30 --- 09 02 14 16.4 43.7 -3.3 0.0 330 338 20 12 01 20 18 00 1218+304 09 02 44 16.4 43.6 -3.3 0.0 9 338 20 18 00 20 23 30 --- 09 08 15 17.3 42.7 -3.2 0.0 330 381 20 18 01 20 24 00 1218+304 09 08 45 17.4 42.6 -3.2 0.0 9 381 20 24 00 20 29 30 --- 09 14 16 18.2 41.7 -3.1 0.0 330 423 20 24 01 20 30 00 1218+304 09 14 46 18.3 41.6 -3.1 0.0 9 423 20 30 00 20 35 30 --- 09 20 17 19.1 40.7 -3.0 0.0 330 465 20 30 01 20 36 00 1218+304 09 20 47 19.2 40.6 -3.0 0.0 9 465 20 36 00 20 41 30 --- 09 26 18 20.0 39.7 -2.9 0.0 330 508 20 36 01 20 42 00 1218+304 09 26 48 20.0 39.6 -2.9 0.0 9 508 20 42 00 20 47 30 --- 09 32 19 20.8 38.7 -2.8 0.0 330 550 20 42 01 Schedule for HART (Code Hh ) Page 3 5 GHz observation of 1ES 1218+304 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 ---------------------------------------------------------------------------------------- --- Wed 5 Mar 2014 Day 64 --- 20 48 00 1218+304 09 32 49 20.9 38.6 -2.8 0.0 9 550 20 48 00 20 53 30 --- 09 38 20 21.7 37.6 -2.7 0.0 330 592 20 48 01 20 54 30 1226+373 09 39 20 15.4 34.1 -2.8 0.0 19 592 20 54 30 20 59 30 --- 09 44 21 16.1 33.2 -2.8 0.0 300 631 20 54 31 21 17 30 1218+304 10 02 24 24.8 33.1 -2.3 0.0 1039 631 21 17 30 21 24 00 --- 10 08 55 25.6 31.8 -2.2 0.0 390 681 21 17 31 21 24 30 1218+304 10 09 25 25.6 31.7 -2.2 0.0 9 681 21 24 30 21 30 00 --- 10 14 56 26.3 30.6 -2.1 0.0 330 723 21 24 31 21 30 30 1218+304 10 15 26 26.3 30.5 -2.1 0.0 9 723 21 30 30 21 36 00 --- 10 20 57 26.9 29.3 -2.0 0.0 330 765 21 30 31 21 36 30 1218+304 10 21 27 27.0 29.2 -2.0 0.0 9 765 21 36 30 21 42 00 --- 10 26 58 27.6 28.0 -1.9 0.0 330 808 21 36 31 21 42 30 1218+304 10 27 28 27.6 27.9 -1.9 0.0 9 808 21 42 30 21 48 00 --- 10 32 59 28.2 26.7 -1.8 0.0 330 850 21 42 31 21 48 30 1218+304 10 33 29 28.3 26.6 -1.8 0.0 9 850 21 48 30 21 54 00 --- 10 39 00 28.8 25.4 -1.7 0.0 330 892 21 48 31 21 55 00 1226+373 10 40 00 22.0 23.3 -1.8 0.0 19 892 21 55 00 22 00 00 --- 10 45 01 22.5 22.4 -1.7 0.0 300 931 21 55 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess114.C1024 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 12 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 = 1 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= L L U U L L U U L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 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) * 1218+304 12 18 51.604105 * 12 21 21.942600 12 22 06.141704 0.00 30 27 15.23868 * 30 10 37.16100 30 05 40.70408 0.00 From catalog imbedded in main SCHED input file. * 1226+373 12 26 19.753218 * 12 28 47.423700 12 29 30.847135 0.10 37 22 46.76057 * 37 06 12.09600 37 01 16.36150 0.10 From catalog imbedded in main SCHED input file. J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 27.814097 0.77 * 3C345 39 54 10.81496 * 39 48 36.99402 39 46 51.06954 0.52 1641+399 /usr2/local/sched/catalogs/sources.vlba J1642+39 GSFC 2011B astro solution 52621 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 1218+304 sess114.C1024 1 2 3 4 5 6 7 8 9 10 11 14 2.217 194.491 1226+373 sess114.C1024 1 2 3 4 5 6 7 8 9 10 11 14 0.250 21.667 3C345 sess114.C1024 1 4 6 7 8 9 11 0.167 6.000 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) 1218+304 149.8 1226+373 143.4 3C345 98.0 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