COVER INFORMATION Station: HART (Code Hh ) Experiment: Dual Frequency Observation of 8 FR 0 Galaxies Exp. Code: EC063C Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Xiaopeng Cheng Address: Shanghai Astronomical Observatory Nandan Road 80 Shanghai 200030 China Phone: +86-18317079386 EMAIL: xcheng@shao.ac.cn Fax: Phone during observation: Observing mode: Notes: 5 GHz, dual polarisation, 1024 Mbps Drafted by Xiaopeng Cheng Schedule for HART (Code Hh ) Page 2 Dual Frequency Observation of 8 FR 0 Galaxies 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2019 Day 62 --- 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 23 00 00 4C39.25 11 36 28 18.6 334.2 2.1 0.0 0 0 23 00 00 23 00 30 --- 11 36 58 18.5 334.1 2.1 0.0 30 4 23 00 01 23 01 30 4C39.25 11 37 58 18.4 333.9 2.2 0.0 39 4 23 01 30 23 04 30 --- 11 40 58 18.1 333.4 2.2 0.0 180 27 23 01 31 23 10 14 J1205+2031 11 46 44 43.4 6.5 -0.3 0.0 239 27 23 10 14 23 20 14 --- 11 56 45 43.6 3.3 -0.2 0.0 600 104 23 10 15 23 46 56 J1246+1153 12 23 31 51.9 9.5 -0.4 0.0 1554 104 23 46 56 23 56 56 --- 12 33 33 52.2 5.6 -0.2 0.0 600 182 23 46 57 --- Start: Sun 3 Mar 2019 Day 62 -- Stop: Mon 4 Mar 2019 Day 63 --- 23 58 12 J1205+2031 12 34 49 43.2 351.0 0.5 0.0 28 182 23 58 12 00 08 12 --- 12 44 50 42.8 347.8 0.6 0.0 600 259 23 58 13 00 37 04 J1246+1153 13 13 48 51.8 349.6 0.4 0.0 1685 259 00 37 04 00 47 04 --- 13 23 49 51.3 345.7 0.6 0.0 600 336 00 37 05 00 59 46 J1205+2031 13 36 33 38.8 332.7 1.5 0.0 714 336 00 59 46 01 09 46 --- 13 46 35 37.8 330.0 1.7 0.0 600 414 00 59 47 01 40 04 J1246+1153 14 16 58 46.5 327.3 1.5 0.0 1771 414 01 40 04 01 50 04 --- 14 27 00 45.2 324.2 1.7 0.0 600 491 01 40 05 01 51 31 J1205+2031 14 28 27 32.3 320.0 2.4 0.0 39 491 01 51 31 02 01 31 --- 14 38 29 30.9 317.9 2.5 0.0 600 568 01 51 32 02 30 01 J1246+1153 15 07 03 39.3 313.7 2.3 0.0 1663 568 02 30 01 02 40 01 --- 15 17 05 37.6 311.4 2.5 0.0 600 645 02 30 02 02 48 53 J1205+2031 15 25 58 23.1 308.9 3.3 0.0 484 645 02 48 53 02 50 53 --- 15 27 58 22.7 308.6 3.4 0.0 120 661 02 48 54 02 57 15 3C345 15 34 21 22.4 14.3 -1.2 0.0 218 661 02 57 15 03 00 15 --- 15 37 22 22.5 13.7 -1.1 0.0 180 684 02 57 16 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess119.C1024 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: hh6cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 128.00 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 8 Station: HART Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC 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 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 8 Setup file default. Used with PCAL = off 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: 8 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J1205+2031 12 03 18.216104 * 12 05 51.473530 12 06 50.441803 0.00 20 48 00.83641 * 20 31 19.05185 20 24 51.28474 0.00 From catalog imbedded in main SCHED input file. * J1213+5044 12 10 59.906608 * 12 13 29.280157 12 14 27.032875 0.00 51 01 09.80346 * 50 44 29.38276 50 38 01.28922 0.00 From catalog imbedded in main SCHED input file. * J1230+4700 12 27 47.173563 * 12 30 11.851810 12 31 07.722592 0.00 47 16 56.49043 * 47 00 22.63664 46 53 56.47042 0.00 From catalog imbedded in main SCHED input file. * J1246+1153 12 44 02.787715 * 12 46 33.756100 12 47 31.787561 0.00 12 10 10.44371 * 11 53 47.92900 11 47 28.57132 0.00 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 15.065241 0.31 J0927+3902 39 15 23.56644 * 39 02 20.85185 38 57 18.88591 0.16 0923+392 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 observations. * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 36.943150 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 17.56565 0.59 1641+399 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 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 J1205+2031 sess119.C1024 1 2 3 4 5 6 7 8 10 11 14 15 0.700 63.033 J1213+5044 sess119.C1024 1 2 3 4 5 6 7 10 11 14 15 0.700 56.933 J1230+4700 sess119.C1024 1 2 3 4 5 6 7 10 11 14 15 0.667 54.158 J1246+1153 sess119.C1024 1 2 3 4 5 6 7 8 10 11 14 0.667 54.333 4C39.25 sess119.C1024 1 2 3 4 5 6 7 8 10 11 14 0.108 8.500 3C345 sess119.C1024 1 2 3 4 5 6 7 8 10 11 14 15 0.050 4.550 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) J1205+2031 158.3 J1213+5044 133.2 J1230+4700 135.0 J1246+1153 152.5 4C39.25 141.9 3C345 97.0 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