COVER INFORMATION Station: HART (Code Hh ) Experiment: Long overdue - Measuring the Parallax and proper motion of the Crab. Ste Exp. Code: EK036A Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Franz Kirsten Address: Curtin Institute of Radio Astronomy Curtin University Perth Australia Phone: +61 8 9266 9103 EMAIL: franz.kirsten@curtin.edu.au Fax: +61 8 9266 9246 Phone during observation: +61 8 9266 9103 Observing mode: Continuum 18cm (1 Gb/s), pulsar gating Notes: Target pulsar bright enough to fringe on Fringe finder / bandpass cal: J0518+2054 / J0530+1331 PCAL off, AGC off at all stations Ef, Jb1, T6, Sr, Ro70 require extra attenuator due to high Tsys from Nebula. Schedule for HART (Code Hh ) Page 2 Long overdue - Measuring the Parallax and proper motion of the Crab. Ste 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 18 Oct 2015 Day 291 --- 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 23 00 00 J0530+1331 02 39 11 32.4 52.0 -2.9 0.0 0 0 23 00 00 23 10 00 =0528+134 02 49 13 34.1 49.9 -2.7 0.0 600 77 23 00 01 23 11 05 CRAB 02 50 18 27.6 43.6 -2.8 0.0 21 77 23 11 05 23 23 25 --- 03 02 40 29.4 41.2 -2.5 0.0 740 172 23 11 06 23 23 45 CRAB 03 03 00 29.5 41.1 -2.5 0.0 -1 172 23 23 45 23 36 15 --- 03 15 32 31.3 38.5 -2.3 0.0 749 268 23 23 46 23 36 55 J0518+2054 03 16 12 34.5 35.4 -2.0 0.0 5 268 23 36 55 23 37 55 =0515+208 03 17 13 34.6 35.1 -2.0 0.0 60 276 23 36 56 23 38 35 CRAB 03 17 53 31.6 38.0 -2.3 0.0 5 276 23 38 35 23 51 05 --- 03 30 25 33.3 35.2 -2.1 0.0 750 372 23 38 36 --- Start: Sun 18 Oct 2015 Day 291 -- Stop: Mon 19 Oct 2015 Day 292 --- 23 51 25 CRAB 03 30 45 33.3 35.1 -2.1 0.0 -1 372 23 51 25 00 03 55 --- 03 43 17 34.9 32.1 -1.9 0.0 749 468 23 51 26 00 04 35 J0518+2054 03 43 57 37.8 28.5 -1.6 0.0 5 468 00 04 35 00 05 35 =0515+208 03 44 57 37.9 28.2 -1.6 0.0 60 476 00 04 36 00 06 15 CRAB 03 45 37 35.2 31.5 -1.8 0.0 5 476 00 06 15 00 18 45 --- 03 58 09 36.6 28.4 -1.6 0.0 750 572 00 06 16 00 19 05 CRAB 03 58 29 36.6 28.3 -1.6 0.0 -1 572 00 19 05 00 31 35 --- 04 11 01 37.9 25.0 -1.4 0.0 749 668 00 19 06 00 32 15 J0518+2054 04 11 42 40.4 20.8 -1.1 0.0 5 668 00 32 15 00 33 15 =0515+208 04 12 42 40.5 20.5 -1.1 0.0 60 676 00 32 16 00 33 55 CRAB 04 13 22 38.1 24.4 -1.4 0.0 5 676 00 33 55 00 46 25 --- 04 25 54 39.2 21.0 -1.2 0.0 750 772 00 33 56 00 46 45 CRAB 04 26 14 39.2 20.9 -1.2 0.0 -1 772 00 46 45 00 59 15 --- 04 38 46 40.2 17.3 -0.9 0.0 749 868 00 46 46 Schedule for HART (Code Hh ) Page 3 Long overdue - Measuring the Parallax and proper motion of the Crab. Ste 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 ---------------------------------------------------------------------------------------- --- Mon 19 Oct 2015 Day 292 --- 01 00 25 J0530+1331 04 39 56 48.6 19.3 -0.9 0.0 26 868 01 00 25 01 05 00 =0528+134 04 44 32 48.9 17.7 -0.8 0.0 275 903 01 00 26 01 06 10 CRAB 04 45 42 40.6 15.3 -0.8 0.0 26 903 01 06 10 01 18 30 --- 04 58 04 41.2 11.6 -0.6 0.0 740 998 01 06 11 01 18 50 CRAB 04 58 24 41.3 11.5 -0.6 0.0 -1 998 01 18 50 01 31 10 --- 05 10 46 41.7 7.7 -0.4 0.0 739 1093 01 18 51 01 32 00 J0518+2054 05 11 36 43.1 2.4 -0.1 0.0 15 1093 01 32 00 01 33 00 =0515+208 05 12 37 43.2 2.1 -0.1 0.0 60 1101 01 32 01 01 33 50 CRAB 05 13 27 41.8 6.9 -0.4 0.0 15 1101 01 33 50 01 46 10 --- 05 25 49 42.0 3.0 -0.2 0.0 740 1196 01 33 51 01 46 30 CRAB 05 26 09 42.0 2.9 -0.2 0.0 -1 1196 01 46 30 01 58 50 --- 05 38 31 42.1 359.1 0.1 0.0 739 1290 01 46 31 01 59 40 J0518+2054 05 39 21 42.9 353.5 0.3 0.0 15 1290 01 59 40 02 00 40 =0515+208 05 40 21 42.9 353.2 0.4 0.0 60 1298 01 59 41 02 01 30 CRAB 05 41 11 42.1 358.2 0.1 0.0 15 1298 02 01 30 02 13 50 --- 05 53 33 41.9 354.4 0.3 0.0 740 1393 02 01 31 02 14 10 CRAB 05 53 53 41.9 354.3 0.3 0.0 -1 1393 02 14 10 02 20 00 --- 05 59 44 41.7 352.5 0.4 0.0 349 1438 02 14 11 02 20 20 CRAB 06 00 04 41.7 352.4 0.4 0.0 -1 1438 02 20 20 02 26 30 --- 06 06 15 41.5 350.5 0.5 0.0 369 1485 02 20 21 02 27 20 J0518+2054 06 07 05 41.8 344.9 0.8 0.0 15 1485 02 27 20 02 28 20 =0515+208 06 08 06 41.7 344.6 0.8 0.0 60 1493 02 27 21 02 29 10 CRAB 06 08 56 41.4 349.6 0.6 0.0 15 1493 02 29 10 02 41 30 --- 06 21 18 40.8 345.9 0.8 0.0 740 1588 02 29 11 02 41 50 CRAB 06 21 38 40.8 345.8 0.8 0.0 -1 1588 02 41 50 02 54 10 --- 06 34 00 40.0 342.2 1.0 0.0 739 1683 02 41 51 02 55 30 J0530+1331 06 35 20 47.6 336.8 1.1 0.0 36 1683 02 55 30 03 00 00 =0528+134 06 39 51 47.2 335.3 1.1 0.0 270 1717 02 55 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess315.L1024 Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: hh18cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 122.49 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: DBBC_DDC 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 = 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: 7 Setup file default. Used with PCAL = off 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: 7 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * CRAB 05 31 31.388685 * 05 34 31.934000 05 35 29.692879 0.00 21 58 54.53487 * 22 00 52.19100 22 01 18.48119 0.00 From catalog imbedded in main SCHED input file. 0515+208 05 15 05.041798 * 05 18 03.824513 05 19 01.125354 0.02 * J0518+2054 20 51 43.76307 * 20 54 52.49736 20 55 41.97620 0.03 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 1774 observations. 0528+134 05 28 06.759216 * 05 30 56.416747 05 31 50.712033 0.21 * J0530+1331 13 29 42.28885 * 13 31 55.14952 13 32 29.02251 0.24 J0530+13 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 135789 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 CRAB sess315.L1024 1 2 3 4 5 6 7 8 9 12 13 14 3.303 283.739 J0518+2054 sess315.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.100 8.453 J0530+1331 sess315.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.318 26.243 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) CRAB 121.0 J0518+2054 124.9 J0530+1331 121.8 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