COVER INFORMATION Station: HART (Code Hh ) Experiment: Long overdue - Measuring the Parallax and proper motion of the Crab. Ste Exp. Code: EK036D Schedule Version: 3.00 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, T6, DSS63 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 28 May 2017 Day 148 --- 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 09 30 00 J0530+1331 03 45 13 42.8 36.5 -1.8 0.0 0 0 09 30 00 09 34 00 =0528+134 03 49 14 43.3 35.4 -1.7 0.0 240 31 09 30 01 09 34 54 J0518+2054 03 50 08 38.4 26.8 -1.5 0.0 12 31 09 34 54 09 36 09 =0515+208 03 51 33 38.6 26.4 -1.5 0.0 75 41 09 34 55 09 36 45 CRAB 03 51 59 35.9 30.0 -1.7 0.0 1 41 09 36 45 09 42 15 --- 03 57 30 36.5 28.6 -1.6 0.0 330 83 09 36 46 09 43 02 J0518+2054 03 58 17 39.2 24.6 -1.3 0.0 12 83 09 43 02 09 44 17 =0515+208 03 59 42 39.4 24.2 -1.3 0.0 75 93 09 43 03 09 44 53 CRAB 04 00 09 36.8 27.9 -1.6 0.0 1 93 09 44 53 09 50 23 --- 04 05 40 37.4 26.5 -1.5 0.0 330 135 09 44 54 09 51 11 J0518+2054 04 06 27 40.0 22.3 -1.2 0.0 12 135 09 51 11 09 52 26 =0515+208 04 07 52 40.1 21.9 -1.2 0.0 75 145 09 51 12 09 53 02 CRAB 04 08 19 37.6 25.8 -1.5 0.0 1 145 09 53 02 09 58 32 --- 04 13 50 38.2 24.3 -1.4 0.0 330 187 09 53 03 09 59 20 J0518+2054 04 14 38 40.6 20.0 -1.1 0.0 12 187 09 59 20 10 00 35 =0515+208 04 16 03 40.7 19.6 -1.1 0.0 75 197 09 59 21 10 01 12 CRAB 04 16 30 38.4 23.6 -1.3 0.0 2 197 10 01 12 10 06 42 --- 04 22 01 38.9 22.1 -1.2 0.0 330 240 10 01 13 10 07 31 J0518+2054 04 22 50 41.2 17.6 -0.9 0.0 13 240 10 07 31 10 08 46 =0515+208 04 24 15 41.3 17.1 -0.9 0.0 75 249 10 07 32 10 09 23 CRAB 04 24 42 39.1 21.3 -1.2 0.0 2 249 10 09 23 10 14 53 --- 04 30 13 39.5 19.8 -1.1 0.0 330 292 10 09 24 10 15 42 J0518+2054 04 31 02 41.8 15.1 -0.8 0.0 13 292 10 15 42 10 16 57 =0515+208 04 32 27 41.8 14.7 -0.8 0.0 75 301 10 15 43 10 17 34 CRAB 04 32 55 39.7 19.0 -1.0 0.0 3 301 10 17 34 10 23 04 --- 04 38 26 40.1 17.4 -1.0 0.0 330 344 10 17 35 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 ---------------------------------------------------------------------------------------- --- Sun 28 May 2017 Day 148 --- 10 23 53 J0518+2054 04 39 15 42.2 12.6 -0.7 0.0 14 344 10 23 53 10 25 08 =0515+208 04 40 40 42.3 12.1 -0.6 0.0 75 354 10 23 54 10 25 47 CRAB 04 41 09 40.3 16.6 -0.9 0.0 3 354 10 25 47 10 31 17 --- 04 46 40 40.6 15.0 -0.8 0.0 330 396 10 25 48 10 32 06 J0518+2054 04 47 29 42.6 10.0 -0.5 0.0 14 396 10 32 06 10 33 21 =0515+208 04 48 55 42.6 9.6 -0.5 0.0 75 406 10 32 07 10 34 00 CRAB 04 49 23 40.8 14.2 -0.8 0.0 3 406 10 34 00 10 39 30 --- 04 54 54 41.1 12.5 -0.7 0.0 330 448 10 34 01 10 40 29 J0530+1331 04 55 53 49.6 13.6 -0.6 0.0 15 448 10 40 29 10 43 19 =0528+134 04 58 54 49.8 12.5 -0.5 0.0 170 470 10 40 30 10 44 13 J0518+2054 04 59 38 42.9 6.2 -0.3 0.0 12 470 10 44 13 10 45 28 =0515+208 05 01 03 43.0 5.8 -0.3 0.0 75 480 10 44 14 10 46 07 CRAB 05 01 32 41.4 10.5 -0.6 0.0 4 480 10 46 07 10 51 32 --- 05 06 58 41.6 8.9 -0.5 0.0 325 522 10 46 08 10 52 23 J0518+2054 05 07 49 43.1 3.6 -0.2 0.0 15 522 10 52 23 10 53 38 =0515+208 05 09 14 43.1 3.1 -0.2 0.0 75 531 10 52 24 10 54 17 CRAB 05 09 44 41.7 8.0 -0.4 0.0 5 531 10 54 17 10 59 42 --- 05 15 10 41.8 6.3 -0.3 0.0 325 573 10 54 18 11 00 34 J0518+2054 05 16 01 43.2 1.0 -0.1 0.0 16 573 11 00 34 11 01 49 =0515+208 05 17 27 43.2 0.5 -0.0 0.0 75 583 11 00 35 11 02 29 CRAB 05 17 57 41.9 5.5 -0.3 0.0 5 583 11 02 29 11 07 54 --- 05 23 23 42.0 3.8 -0.2 0.0 325 625 11 02 30 11 08 46 J0518+2054 05 24 15 43.2 358.3 0.1 0.0 16 625 11 08 46 11 10 01 =0515+208 05 25 40 43.2 357.9 0.1 0.0 75 634 11 08 47 11 10 41 CRAB 05 26 11 42.0 2.9 -0.2 0.0 5 634 11 10 41 11 16 06 --- 05 31 36 42.1 1.2 -0.1 0.0 325 676 11 10 42 11 16 58 J0518+2054 05 32 29 43.1 355.7 0.2 0.0 17 676 11 16 58 11 18 13 =0515+208 05 33 54 43.0 355.3 0.2 0.0 75 686 11 16 59 11 18 55 CRAB 05 34 25 42.1 0.4 -0.0 0.0 6 686 11 18 55 11 24 20 --- 05 39 51 42.1 358.7 0.1 0.0 325 728 11 18 56 Schedule for HART (Code Hh ) Page 4 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 28 May 2017 Day 148 --- 11 25 12 J0518+2054 05 40 44 42.9 353.1 0.4 0.0 17 728 11 25 12 11 26 27 =0515+208 05 42 09 42.8 352.6 0.4 0.0 75 737 11 25 13 11 27 09 CRAB 05 42 41 42.1 357.8 0.1 0.0 6 737 11 27 09 11 32 34 --- 05 48 07 42.0 356.1 0.2 0.0 325 779 11 27 10 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess217.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: 9 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= 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 3 11 3 11 5 13 5 13 7 15 7 15 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 B2 C1 B2 C1 B2 C1 B2 C1 The following frequency sets based on these setups were used. Frequency Set: 3 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: 3 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) * CRAB 05 31 31.388685 * 05 34 31.934000 05 35 32.725126 0.00 21 58 54.53487 * 22 00 52.19100 22 01 20.36697 0.00 From catalog imbedded in main SCHED input file. 0515+208 05 15 05.041798 * 05 18 03.824513 05 19 04.020525 0.02 * J0518+2054 20 51 43.76307 * 20 54 52.49736 20 55 44.66304 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 53.508504 0.21 * J0530+1331 13 29 42.28885 * 13 31 55.14952 13 32 27.78037 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 sess217.L1024 1 2 3 4 5 6 9 10 11 12 13 1 + 1.275 114.582 J0518+2054 sess217.L1024 1 2 3 4 5 6 9 10 11 12 13 1 + 0.292 25.729 J0530+1331 sess217.L1024 1 2 3 4 5 6 9 10 11 12 13 1 + 0.114 10.364 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 17.1 J0518+2054 13.3 J0530+1331 18.5 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