COVER INFORMATION Station: HART (Code Hh ) Experiment: Long overdue - Measuring the Parallax and proper motion of the Crab. Ste Exp. Code: EK036C Schedule Version: 1.00 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2017 Day 56 --- 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 16 00 00 J0530+1331 04 13 34 46.2 28.1 -1.3 0.0 0 0 16 00 00 16 05 00 =0528+134 04 18 35 46.7 26.5 -1.2 0.0 300 39 16 00 01 16 05 40 J0518+2054 04 19 15 41.0 18.6 -1.0 0.0 -2 39 16 05 40 16 07 10 =0515+208 04 20 45 41.1 18.2 -1.0 0.0 88 50 16 05 41 16 07 52 CRAB 04 21 27 38.8 22.2 -1.2 0.0 7 50 16 07 52 16 12 52 --- 04 26 28 39.2 20.8 -1.2 0.0 300 89 16 07 53 16 13 32 J0518+2054 04 27 08 41.5 16.3 -0.9 0.0 5 89 16 13 32 16 15 02 =0515+208 04 28 38 41.6 15.8 -0.8 0.0 90 100 16 13 33 16 15 44 CRAB 04 29 20 39.5 20.0 -1.1 0.0 7 100 16 15 44 16 20 44 --- 04 34 21 39.8 18.6 -1.0 0.0 300 139 16 15 45 16 21 24 J0518+2054 04 35 01 42.0 13.9 -0.7 0.0 5 139 16 21 24 16 22 54 =0515+208 04 36 32 42.1 13.4 -0.7 0.0 90 151 16 21 25 16 23 36 CRAB 04 37 14 40.0 17.8 -1.0 0.0 7 151 16 23 36 16 28 36 --- 04 42 15 40.4 16.3 -0.9 0.0 300 189 16 23 37 16 29 16 J0518+2054 04 42 55 42.4 11.5 -0.6 0.0 5 189 16 29 16 16 30 46 =0515+208 04 44 25 42.4 11.0 -0.6 0.0 90 201 16 29 17 16 31 28 CRAB 04 45 07 40.6 15.5 -0.8 0.0 7 201 16 31 28 16 36 28 --- 04 50 08 40.8 14.0 -0.8 0.0 300 240 16 31 29 16 37 08 J0518+2054 04 50 48 42.7 9.0 -0.5 0.0 5 240 16 37 08 16 38 38 =0515+208 04 52 18 42.7 8.5 -0.4 0.0 90 251 16 37 09 16 39 20 CRAB 04 53 00 41.0 13.1 -0.7 0.0 7 251 16 39 20 16 44 20 --- 04 58 01 41.2 11.6 -0.6 0.0 300 290 16 39 21 16 45 00 J0518+2054 04 58 41 42.9 6.5 -0.3 0.0 5 290 16 45 00 16 46 30 =0515+208 05 00 11 43.0 6.0 -0.3 0.0 90 301 16 45 01 16 47 12 CRAB 05 00 54 41.4 10.7 -0.6 0.0 7 301 16 47 12 16 52 12 --- 05 05 54 41.6 9.2 -0.5 0.0 300 340 16 47 13 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2017 Day 56 --- 16 53 02 J0530+1331 05 06 45 50.1 9.6 -0.4 0.0 6 340 16 53 02 16 57 02 =0528+134 05 10 45 50.2 8.1 -0.4 0.0 240 371 16 53 03 16 57 42 J0518+2054 05 11 25 43.1 2.5 -0.1 0.0 -2 371 16 57 42 16 59 12 =0515+208 05 12 56 43.2 2.0 -0.1 0.0 88 383 16 57 43 16 59 54 CRAB 05 13 38 41.8 6.8 -0.4 0.0 7 383 16 59 54 17 04 54 --- 05 18 39 41.9 5.3 -0.3 0.0 300 421 16 59 55 17 05 34 J0518+2054 05 19 19 43.2 359.9 0.0 0.0 5 421 17 05 34 17 07 04 =0515+208 05 20 49 43.2 359.4 0.0 0.0 90 433 17 05 35 17 07 46 CRAB 05 21 31 42.0 4.4 -0.2 0.0 7 433 17 07 46 17 12 46 --- 05 26 32 42.0 2.8 -0.2 0.0 300 471 17 07 47 17 13 26 J0518+2054 05 27 12 43.1 357.4 0.1 0.0 5 471 17 13 26 17 14 56 =0515+208 05 28 42 43.1 356.9 0.2 0.0 90 483 17 13 27 17 15 38 CRAB 05 29 24 42.1 1.9 -0.1 0.0 7 483 17 15 38 17 20 38 --- 05 34 25 42.1 0.4 -0.0 0.0 300 522 17 15 39 17 21 18 J0518+2054 05 35 05 43.0 354.9 0.3 0.0 5 522 17 21 18 17 22 48 =0515+208 05 36 35 43.0 354.4 0.3 0.0 90 533 17 21 19 17 23 30 CRAB 05 37 18 42.1 359.5 0.0 0.0 7 533 17 23 30 17 28 30 --- 05 42 18 42.1 357.9 0.1 0.0 300 572 17 23 31 17 29 10 J0518+2054 05 42 58 42.8 352.4 0.4 0.0 5 572 17 29 10 17 30 40 =0515+208 05 44 29 42.8 351.9 0.4 0.0 90 584 17 29 11 17 31 22 CRAB 05 45 11 42.0 357.0 0.2 0.0 7 584 17 31 22 17 36 22 --- 05 50 12 42.0 355.4 0.2 0.0 300 622 17 31 23 17 37 02 J0518+2054 05 50 52 42.6 349.9 0.5 0.0 5 622 17 37 02 17 38 32 =0515+208 05 52 22 42.5 349.4 0.6 0.0 90 634 17 37 03 17 39 14 CRAB 05 53 04 41.9 354.5 0.3 0.0 7 634 17 39 14 17 44 14 --- 05 58 05 41.8 353.0 0.4 0.0 300 672 17 39 15 17 44 54 J0518+2054 05 58 45 42.2 347.5 0.7 0.0 5 672 17 44 54 17 46 24 =0515+208 06 00 15 42.1 347.0 0.7 0.0 90 684 17 44 55 17 47 06 CRAB 06 00 57 41.7 352.1 0.4 0.0 7 684 17 47 06 17 52 06 --- 06 05 58 41.5 350.6 0.5 0.0 300 723 17 47 07 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2017 Day 56 --- 17 52 46 J0518+2054 06 06 38 41.8 345.0 0.8 0.0 5 723 17 52 46 17 54 16 =0515+208 06 08 09 41.7 344.6 0.8 0.0 90 734 17 52 47 17 54 58 CRAB 06 08 51 41.4 349.7 0.6 0.0 7 734 17 54 58 17 59 58 --- 06 13 52 41.2 348.2 0.6 0.0 300 773 17 54 59 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess117.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: 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= 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: 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= 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 33.889523 0.00 21 58 54.53487 * 22 00 52.19100 22 01 21.27603 0.00 From catalog imbedded in main SCHED input file. 0515+208 05 15 05.041798 * 05 18 03.824513 05 19 05.105439 0.02 * J0518+2054 20 51 43.76307 * 20 54 52.49736 20 55 45.68891 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 54.614639 0.21 * J0530+1331 13 29 42.28885 * 13 31 55.14952 13 32 26.72422 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 sess117.L1024 1 2 3 4 5 6 7 8 9 12 1.167 73.193 J0518+2054 sess117.L1024 1 2 3 4 5 6 7 8 9 12 0.350 19.250 J0530+1331 sess117.L1024 1 2 3 4 5 6 7 8 9 12 0.150 9.862 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 107.0 J0518+2054 103.1 J0530+1331 105.6 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