COVER INFORMATION Station: TORUN (Code Tr ) 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 TORUN (Code Tr ) 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: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 673.51 673.51 673.51 673.51 609.51 609.51 609.51 609.51 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 16 00 00 J0530+1331 03 37 05 44.4 139.2 -1.9 -23.8 0 0 16 00 00 16 05 00 =0528+134 03 42 06 44.9 140.8 -1.8 -23.0 300 38 16 00 01 16 05 40 J0518+2054 03 42 46 52.9 140.8 -1.6 -24.0 -4 38 16 05 40 16 07 10 =0515+208 03 44 16 53.1 141.3 -1.6 -23.7 86 50 16 05 41 16 07 52 CRAB 03 44 58 52.5 135.1 -1.8 -27.2 14 50 16 07 52 16 12 52 --- 03 49 59 53.0 136.8 -1.8 -26.3 300 88 16 07 53 16 13 32 J0518+2054 03 50 39 53.6 143.6 -1.5 -22.4 12 88 16 13 32 16 15 02 =0515+208 03 52 09 53.8 144.2 -1.4 -22.1 90 100 16 13 33 16 15 44 CRAB 03 52 51 53.3 137.8 -1.7 -25.8 14 100 16 15 44 16 20 44 --- 03 57 52 53.8 139.6 -1.6 -24.8 300 138 16 15 45 16 21 24 J0518+2054 03 58 32 54.3 146.5 -1.3 -20.8 11 138 16 21 24 16 22 54 =0515+208 04 00 02 54.4 147.1 -1.3 -20.4 90 150 16 21 25 16 23 36 CRAB 04 00 45 54.1 140.6 -1.6 -24.3 14 150 16 23 36 16 28 36 --- 04 05 45 54.5 142.4 -1.5 -23.3 300 188 16 23 37 16 29 16 J0518+2054 04 06 26 54.9 149.5 -1.2 -19.0 11 188 16 29 16 16 30 46 =0515+208 04 07 56 55.1 150.1 -1.2 -18.7 90 200 16 29 17 16 31 28 CRAB 04 08 38 54.8 143.5 -1.4 -22.7 13 200 16 31 28 16 36 28 --- 04 13 39 55.2 145.3 -1.4 -21.6 300 238 16 31 29 16 37 08 J0518+2054 04 14 19 55.5 152.6 -1.1 -17.2 11 238 16 37 08 16 38 38 =0515+208 04 15 49 55.6 153.2 -1.1 -16.8 90 250 16 37 09 16 39 20 CRAB 04 16 31 55.5 146.4 -1.3 -21.0 13 250 16 39 20 16 44 20 --- 04 21 32 55.9 148.4 -1.2 -19.9 300 288 16 39 21 16 45 00 J0518+2054 04 22 12 56.0 155.8 -0.9 -15.3 10 288 16 45 00 16 46 30 =0515+208 04 23 42 56.1 156.4 -0.9 -14.9 90 300 16 45 01 16 47 12 CRAB 04 24 24 56.1 149.5 -1.2 -19.2 13 300 16 47 12 16 52 12 --- 04 29 25 56.5 151.5 -1.1 -18.0 300 338 16 47 13 16 53 02 J0530+1331 04 30 15 48.6 157.0 -1.0 -14.0 7 338 16 53 02 16 57 02 =0528+134 04 34 16 48.8 158.4 -1.0 -13.1 240 369 16 53 03 Schedule for TORUN (Code Tr ) 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 57 42 J0518+2054 04 34 56 56.7 161.0 -0.7 -12.1 -4 369 16 57 42 16 59 12 =0515+208 04 36 26 56.8 161.6 -0.7 -11.7 86 381 16 57 43 16 59 54 CRAB 04 37 09 57.0 154.6 -1.0 -16.1 13 381 16 59 54 17 04 54 --- 04 42 09 57.3 156.7 -0.9 -14.9 300 419 16 59 55 17 05 34 J0518+2054 04 42 50 57.1 164.3 -0.6 -10.0 10 419 17 05 34 17 07 04 =0515+208 04 44 20 57.1 164.9 -0.6 -9.6 90 431 17 05 35 17 07 46 CRAB 04 45 02 57.5 157.9 -0.8 -14.1 13 431 17 07 46 17 12 46 --- 04 50 03 57.7 160.0 -0.8 -12.8 300 469 17 07 47 17 13 26 J0518+2054 04 50 43 57.4 167.6 -0.5 -7.9 10 469 17 13 26 17 14 56 =0515+208 04 52 13 57.4 168.3 -0.4 -7.5 90 481 17 13 27 17 15 38 CRAB 04 52 55 57.9 161.2 -0.7 -12.1 13 481 17 15 38 17 20 38 --- 04 57 56 58.1 163.3 -0.6 -10.7 300 519 17 15 39 17 21 18 J0518+2054 04 58 36 57.6 171.1 -0.3 -5.7 10 519 17 21 18 17 22 48 =0515+208 05 00 06 57.6 171.7 -0.3 -5.3 90 531 17 21 19 17 23 30 CRAB 05 00 48 58.2 164.6 -0.6 -9.9 12 531 17 23 30 17 28 30 --- 05 05 49 58.4 166.8 -0.5 -8.5 300 569 17 23 31 17 29 10 J0518+2054 05 06 29 57.7 174.5 -0.2 -3.5 10 569 17 29 10 17 30 40 =0515+208 05 08 00 57.8 175.1 -0.2 -3.1 90 581 17 29 11 17 31 22 CRAB 05 08 42 58.5 168.0 -0.4 -7.7 12 581 17 31 22 17 36 22 --- 05 13 43 58.6 170.2 -0.4 -6.3 300 619 17 31 23 17 37 02 J0518+2054 05 14 23 57.8 177.9 -0.1 -1.3 10 619 17 37 02 17 38 32 =0515+208 05 15 53 57.8 178.6 -0.1 -0.9 90 631 17 37 03 17 39 14 CRAB 05 16 35 58.7 171.5 -0.3 -5.5 13 631 17 39 14 17 44 14 --- 05 21 36 58.8 173.7 -0.2 -4.0 300 669 17 39 15 17 44 54 J0518+2054 05 22 16 57.8 181.4 0.1 0.9 10 669 17 44 54 17 46 24 =0515+208 05 23 46 57.8 182.1 0.1 1.3 90 681 17 44 55 17 47 06 CRAB 05 24 28 58.9 175.0 -0.2 -3.2 13 681 17 47 06 17 52 06 --- 05 29 29 58.9 177.3 -0.1 -1.8 300 719 17 47 07 17 52 46 J0518+2054 05 30 09 57.8 184.8 0.2 3.1 10 719 17 52 46 17 54 16 =0515+208 05 31 40 57.7 185.5 0.2 3.5 90 731 17 52 47 Schedule for TORUN (Code Tr ) 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 54 58 CRAB 05 32 22 58.9 178.6 -0.1 -0.9 13 731 17 54 58 17 59 58 --- 05 37 22 58.9 180.8 0.0 0.5 300 769 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 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 12 Station: TORUN Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 Net SB= L L U U L L U U IF SB = L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 5 1 5 3 7 3 7 BBC SB= U U L L U U L L IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 6 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 673.51 673.51 673.51 673.51 609.51 609.51 609.51 609.51 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 6 Track assignments are: track1= 2, 6, 10, 14, 4, 8, 12, 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