COVER INFORMATION Station: SHANGHAI (Code Sh ) 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 SHANGHAI (Code Sh ) 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: 742.49 742.49 742.49 742.49 774.49 774.49 774.49 774.49 806.49 806.49 806.49 806.49 838.49 838.49 838.49 838.49 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 00 00 1218+304 13 58 35 69.3 273.5 1.6 81.1 0 0 19 00 00 19 05 30 --- 14 04 06 68.1 274.0 1.7 80.9 330 42 19 00 01 19 06 00 1218+304 14 04 36 68.0 274.0 1.7 80.8 28 42 19 06 00 19 11 30 --- 14 10 06 66.8 274.5 1.8 80.6 330 85 19 06 01 19 12 00 1218+304 14 10 37 66.7 274.6 1.8 80.6 28 85 19 12 00 19 17 30 --- 14 16 07 65.5 275.1 1.9 80.3 330 127 19 12 01 19 18 00 1218+304 14 16 38 65.4 275.1 1.9 80.3 28 127 19 18 00 19 23 30 --- 14 22 08 64.2 275.6 2.0 80.1 330 169 19 18 01 19 24 00 1218+304 14 22 39 64.1 275.6 2.0 80.0 28 169 19 24 00 19 29 30 --- 14 28 09 62.9 276.1 2.1 79.8 330 212 19 24 01 19 30 00 1218+304 14 28 40 62.8 276.1 2.1 79.7 28 212 19 30 00 19 35 30 --- 14 34 10 61.7 276.6 2.2 79.5 330 254 19 30 01 19 36 00 1218+304 14 34 41 61.6 276.7 2.2 79.4 28 254 19 36 00 19 41 30 --- 14 40 11 60.4 277.1 2.3 79.1 330 296 19 36 01 19 42 00 1218+304 14 40 42 60.3 277.2 2.3 79.1 28 296 19 42 00 19 47 30 --- 14 46 12 59.1 277.6 2.4 78.8 330 338 19 42 01 19 48 00 1218+304 14 46 42 59.0 277.6 2.4 78.8 28 338 19 48 00 19 53 30 --- 14 52 13 57.8 278.1 2.5 78.5 330 381 19 48 01 19 54 30 1226+373 14 53 14 59.8 291.2 2.4 90.6 43 381 19 54 30 19 59 30 --- 14 58 14 58.8 291.2 2.5 89.8 300 419 19 54 31 20 00 00 1218+304 14 58 44 56.5 278.6 2.6 78.1 13 419 20 00 00 20 05 30 --- 15 04 15 55.3 279.1 2.7 77.8 330 462 20 00 01 20 06 00 1218+304 15 04 45 55.2 279.1 2.7 77.7 28 462 20 06 00 20 11 30 --- 15 10 16 54.0 279.5 2.8 77.4 330 504 20 06 01 20 12 00 1218+304 15 10 46 53.9 279.6 2.8 77.4 28 504 20 12 00 20 17 30 --- 15 16 17 52.7 280.0 2.9 77.0 330 546 20 12 01 Schedule for SHANGHAI (Code Sh ) 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 18 00 1218+304 15 16 47 52.6 280.1 2.9 77.0 28 546 20 18 00 20 23 30 --- 15 22 18 51.5 280.5 3.0 76.7 330 588 20 18 01 20 24 00 1218+304 15 22 48 51.4 280.6 3.0 76.6 28 588 20 24 00 20 29 30 --- 15 28 19 50.2 281.0 3.1 76.3 330 631 20 24 01 20 30 00 1218+304 15 28 49 50.1 281.0 3.1 76.3 28 631 20 30 00 20 35 30 --- 15 34 20 49.0 281.5 3.2 75.9 330 673 20 30 01 20 36 00 1218+304 15 34 50 48.8 281.5 3.2 75.9 28 673 20 36 00 20 41 30 --- 15 40 21 47.7 282.0 3.3 75.5 330 715 20 36 01 20 42 00 1218+304 15 40 51 47.6 282.0 3.3 75.5 28 715 20 42 00 20 47 30 --- 15 46 22 46.4 282.4 3.4 75.1 330 758 20 42 01 20 48 00 1218+304 15 46 52 46.3 282.5 3.4 75.1 28 758 20 48 00 20 53 30 --- 15 52 23 45.2 282.9 3.5 74.7 330 800 20 48 01 20 54 30 1226+373 15 53 23 47.9 292.4 3.4 82.5 47 800 20 54 30 20 59 30 --- 15 58 24 46.9 292.6 3.5 81.9 300 838 20 54 31 21 03 30 3C345 16 02 25 78.0 401.0 -0.7 -133.0 126 838 21 03 30 21 13 30 --- 16 12 27 79.3 393.9 -0.5 -141.6 600 915 21 03 31 21 17 30 1218+304 16 16 27 40.2 284.9 3.9 73.0 127 915 21 17 30 21 24 00 --- 16 22 58 38.8 285.4 4.0 72.5 390 965 21 17 31 21 24 30 1218+304 16 23 28 38.7 285.5 4.0 72.5 28 965 21 24 30 21 30 00 --- 16 28 59 37.6 285.9 4.1 72.1 330 1008 21 24 31 21 30 30 1218+304 16 29 29 37.5 286.0 4.1 72.1 28 1008 21 30 30 21 36 00 --- 16 35 00 36.4 286.4 4.2 71.7 330 1050 21 30 31 21 36 30 1218+304 16 35 30 36.2 286.5 4.2 71.6 28 1050 21 36 30 21 42 00 --- 16 41 01 35.1 287.0 4.3 71.2 330 1092 21 36 31 21 42 30 1218+304 16 41 31 35.0 287.0 4.3 71.2 28 1092 21 42 30 21 48 00 --- 16 47 02 33.9 287.5 4.4 70.7 330 1135 21 42 31 21 48 30 1218+304 16 47 32 33.8 287.5 4.4 70.7 28 1135 21 48 30 21 54 00 --- 16 53 03 32.7 288.0 4.5 70.3 330 1177 21 48 31 21 55 00 1226+373 16 54 03 36.0 295.5 4.4 75.4 49 1177 21 55 00 22 00 00 --- 16 59 04 35.0 295.8 4.5 74.8 300 1215 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 Matching groups in /usr2/local/sched/catalogs/freq.dat: sh6cm Update freq. range AnTao 22Mar08 Setup group: 3 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= 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 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 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= L L U U L L U U L L U U L L U U 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: 7 Setup file default. Used pcal sets: 1 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= 742.49 742.49 742.49 742.49 774.49 774.49 774.49 774.49 806.49 806.49 806.49 806.49 838.49 838.49 838.49 838.49 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: 7 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) * 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