COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Probing pulsar emission with picoarcsecond precision - B1133+16 Exp. Code: GK049C 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 90cm (256 Mb/s), pulsar gating Notes: Target pulsar bright enough to fringe on Fringe finder / bandpass cal: J1125+2610 PCAL off, AGC off at all stations power switching and AGC off also at VLA Schedule for WSTRBORK (Code Wb ) Page 2 Probing pulsar emission with picoarcsecond precision - B1133+16 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 4 Mar 2017 Day 63 --- Next scan frequencies: 320.25 320.25 320.25 320.25 336.25 336.25 336.25 336.25 Next BBC frequencies: 373.25 373.25 373.25 373.25 389.25 389.25 389.25 389.25 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 04 00 00 PHASE-REF 15 14 50 36.9 250.4 3.5 0.0 0 0 04 00 00 04 01 30 --- 15 16 20 36.7 250.8 3.5 0.0 90 3 04 00 01 04 02 10 TARGET 15 17 00 33.3 250.7 3.7 0.0 18 3 04 02 10 04 11 10 --- 15 26 01 32.0 252.7 3.8 0.0 540 20 04 02 11 04 11 20 TARGET 15 26 11 32.0 252.8 3.8 0.0 0 20 04 11 20 04 21 20 --- 15 36 13 30.6 255.0 4.0 0.0 600 39 04 11 21 04 22 06 PHASE-REF 15 36 59 33.7 255.5 3.9 0.0 24 39 04 22 06 04 23 36 --- 15 38 29 33.5 255.9 3.9 0.0 90 42 04 22 07 04 24 44 BP-CAL 15 39 38 36.5 265.9 4.2 0.0 30 42 04 24 44 04 29 44 --- 15 44 38 35.7 266.9 4.3 0.0 300 52 04 24 45 04 30 39 TARGET 15 45 34 29.2 257.1 4.1 0.0 8 52 04 30 39 04 40 39 --- 15 55 35 27.7 259.3 4.3 0.0 600 71 04 30 40 04 40 39 TARGET 15 55 35 27.7 259.3 4.3 0.0 -10 71 No stop 04 41 39 --- 15 56 35 27.6 259.5 4.3 0.0 50 73 04 40 40 04 42 25 PHASE-REF 15 57 21 30.7 260.0 4.2 0.0 24 73 04 42 25 04 43 55 --- 15 58 52 30.5 260.3 4.2 0.0 90 76 04 42 26 04 44 32 TARGET 15 59 29 27.1 260.1 4.4 0.0 15 76 04 44 32 04 54 32 --- 16 09 30 25.6 262.2 4.5 0.0 600 95 04 44 33 04 54 47 TARGET 16 09 46 25.6 262.3 4.5 0.0 4 95 04 54 47 05 04 47 --- 16 19 47 24.1 264.3 4.7 0.0 600 114 04 54 48 05 04 47 TARGET 16 19 47 24.1 264.3 4.7 0.0 -10 114 No stop 05 07 47 --- 16 22 48 23.6 265.0 4.8 0.0 170 120 05 04 48 05 07 47 TARGET 16 22 48 23.6 265.0 4.8 0.0 -10 120 No stop 05 08 47 --- 16 23 48 23.5 265.2 4.8 0.0 50 122 05 07 48 05 08 47 TARGET 16 23 48 23.5 265.2 4.8 0.0 -10 122 No stop 05 09 47 --- 16 24 48 23.3 265.4 4.8 0.0 50 124 05 08 48 05 10 33 PHASE-REF 16 25 34 26.5 265.9 4.7 0.0 24 124 05 10 33 05 12 03 --- 16 27 04 26.2 266.2 4.7 0.0 90 127 05 10 34 Schedule for WSTRBORK (Code Wb ) Page 3 Probing pulsar emission with picoarcsecond precision - B1133+16 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 4 Mar 2017 Day 63 --- 05 12 47 TARGET 16 27 48 22.9 266.0 4.8 0.0 22 127 05 12 47 05 22 47 --- 16 37 50 21.4 268.0 5.0 0.0 600 146 05 12 48 05 23 02 TARGET 16 38 05 21.3 268.1 5.0 0.0 4 146 05 23 02 05 33 02 --- 16 48 07 19.8 270.1 5.2 0.0 600 165 05 23 03 05 33 02 TARGET 16 48 07 19.8 270.1 5.2 0.0 -10 165 No stop 05 37 02 --- 16 52 07 19.2 270.9 5.3 0.0 230 173 05 33 03 05 37 02 TARGET 16 52 07 19.2 270.9 5.3 0.0 -10 173 No stop 05 38 02 --- 16 53 08 19.1 271.1 5.3 0.0 50 175 05 37 03 05 38 47 PHASE-REF 16 53 53 22.2 271.6 5.2 0.0 23 175 05 38 47 05 40 17 --- 16 55 23 22.0 271.9 5.2 0.0 90 178 05 38 48 05 41 00 TARGET 16 56 06 18.6 271.7 5.3 0.0 21 178 05 41 00 05 51 00 --- 17 06 08 17.1 273.6 5.5 0.0 600 197 05 41 01 05 51 15 TARGET 17 06 23 17.1 273.7 5.5 0.0 4 197 05 51 15 06 01 15 --- 17 16 24 15.6 275.7 5.7 0.0 600 216 05 51 16 06 01 15 TARGET 17 16 24 15.6 275.7 5.7 0.0 -10 216 No stop 06 02 15 --- 17 17 25 15.4 275.9 5.7 0.0 50 218 06 01 16 06 03 00 PHASE-REF 17 18 10 18.5 276.4 5.6 0.0 23 218 06 03 00 06 04 30 --- 17 19 40 18.3 276.6 5.6 0.0 90 221 06 03 01 06 05 32 BP-CAL 17 20 42 21.4 285.3 5.9 0.0 24 221 06 05 32 06 10 32 --- 17 25 43 20.7 286.2 6.0 0.0 300 231 06 05 33 06 11 32 TARGET 17 26 43 14.0 277.7 5.8 0.0 13 231 06 11 32 06 21 32 --- 17 36 45 12.5 279.6 6.0 0.0 600 250 06 11 33 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess117.P256glob --- 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: 6 Station: WSTRBORK Total bit rate: 256 Format: MARK5B Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= -53.00 -53.00 -53.00 -53.00 -53.00 -53.00 -53.00 -53.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 5 1 5 3 7 3 7 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 4 Setup file default. Used with PCAL = off LO sum= 320.25 320.25 320.25 320.25 336.25 336.25 336.25 336.25 BBC fr= 373.25 373.25 373.25 373.25 389.25 389.25 389.25 389.25 Bandwd= 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 Matching frequency sets: 4 Track assignments are: track1= 10, 14, 2, 6, 12, 16, 4, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * PHASING-SRC 11 40 49.199995 * 11 43 25.089300 11 44 19.206235 0.00 22 23 34.99964 * 22 06 56.06900 22 01 06.11077 0.00 From catalog imbedded in main SCHED input file. * TARGET 11 33 27.385477 * 11 36 03.248000 11 36 57.400059 0.00 16 07 40.41945 * 15 51 04.48000 15 45 15.60041 0.00 From catalog imbedded in main SCHED input file. * PHASE-REF 11 40 50.548663 * 11 43 26.069600 11 44 20.079975 0.00 18 51 17.31759 * 18 34 38.36200 18 28 48.51279 0.00 From catalog imbedded in main SCHED input file. * BP-CAL 11 23 14.869280 * 11 25 53.711900 11 26 48.836222 0.00 26 26 49.99090 * 26 10 19.97850 26 04 32.79778 0.00 From catalog imbedded in main SCHED input file. 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 PHASING-SRCsess117.P256glob 6 0.083 0.000 TARGET sess117.P256glob 1 2 3 4 5 6 1.987 25.637 PHASE-REF sess117.P256glob 1 2 3 4 5 6 0.150 2.053 BP-CAL sess117.P256glob 1 2 3 4 5 6 0.167 2.314 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) PHASING-SRC 161.1 TARGET 167.0 PHASE-REF 163.8 BP-CAL 159.3 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