COVER INFORMATION Station: ARECIBO (Code Ar ) 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 ARECIBO (Code Ar ) 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: 755.75 755.75 755.75 755.75 739.75 739.75 739.75 739.75 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 04 00 00 PHASE-REF 10 21 26 70.3 86.3 -1.4 -87.1 0 0 04 00 00 04 01 30 --- 10 22 57 70.7 86.4 -1.4 -87.2 90 3 04 00 01 04 02 10 TARGET 10 23 37 72.3 95.6 -1.2 -79.0 -7 3 04 02 10 04 11 10 --- 10 32 38 74.4 97.1 -1.1 -78.1 533 20 04 02 11 04 11 20 TARGET 10 32 48 74.5 97.2 -1.1 -78.1 2 20 04 11 20 04 21 20 --- 10 42 50 76.8 99.3 -0.9 -76.7 600 39 04 11 21 04 22 06 PHASE-REF 10 43 36 75.6 87.1 -1.0 -88.1 5 39 04 22 06 04 23 36 --- 10 45 06 76.0 87.1 -1.0 -88.2 90 42 04 22 07 04 24 44 BP-CAL 10 46 14 77.8 48.7 -0.7 -127.4 -36 42 04 24 44 04 29 44 --- 10 51 15 78.7 45.2 -0.6 -131.4 264 52 04 24 45 04 30 39 TARGET 10 52 10 79.0 101.9 -0.7 -74.8 -93 52 04 30 39 04 40 39 --- 11 02 12 81.3 106.0 -0.6 -71.4 507 71 04 30 40 04 40 39 TARGET 11 02 12 81.3 106.0 -0.6 -71.4 -7 71 No stop 04 41 39 --- 11 03 12 81.5 106.5 -0.6 -71.0 53 73 04 40 40 04 42 25 PHASE-REF 11 03 58 80.4 87.6 -0.7 -89.2 -11 73 04 42 25 04 43 55 --- 11 05 29 80.8 87.6 -0.6 -89.3 79 76 04 42 26 04 44 32 TARGET 11 06 06 82.2 108.2 -0.5 -69.6 -24 76 04 44 32 04 54 32 --- 11 16 07 84.4 116.7 -0.3 -61.8 576 95 04 44 33 04 54 47 TARGET 11 16 22 84.4 117.0 -0.3 -61.5 6 95 04 54 47 05 04 47 --- 11 26 24 86.4 135.4 -0.2 -43.9 600 114 04 54 48 05 04 47 TARGET 11 26 24 86.4 135.4 -0.2 -43.9 -7 114 No stop 05 07 47 --- 11 29 24 86.8 144.9 -0.1 -34.6 173 120 05 04 48 05 10 33 PHASE-REF 11 32 11 87.1 86.8 -0.2 -92.2 16 120 05 10 33 05 12 03 --- 11 33 41 87.5 86.5 -0.2 -92.7 90 123 05 10 34 05 12 47 TARGET 11 34 25 87.3 166.7 -0.0 -13.1 -192 123 05 12 47 05 22 47 --- 11 44 27 86.9 214.9 0.1 34.4 408 142 05 12 48 05 23 02 TARGET 11 44 42 86.8 215.8 0.1 35.3 4 142 05 23 02 05 33 02 --- 11 54 44 85.0 239.3 0.3 58.0 600 161 05 23 03 Schedule for ARECIBO (Code Ar ) 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 33 02 TARGET 11 54 44 85.0 239.3 0.3 58.0 -7 161 No stop 05 37 02 --- 11 58 44 84.2 244.4 0.4 62.8 233 169 05 33 03 05 37 02 TARGET 11 58 44 84.2 244.4 0.4 62.8 -7 169 No stop 05 38 02 --- 11 59 44 84.0 245.4 0.4 63.7 53 171 05 37 03 05 38 47 PHASE-REF 12 00 30 86.2 272.7 0.3 91.4 -31 171 05 38 47 05 40 17 --- 12 02 00 85.8 272.6 0.3 91.2 59 174 05 38 48 05 41 00 TARGET 12 02 43 83.3 248.2 0.4 66.3 -27 174 05 41 00 05 51 00 --- 12 12 45 81.1 254.5 0.6 71.9 573 193 05 41 01 05 51 15 TARGET 12 13 00 81.0 254.6 0.6 72.0 7 193 05 51 15 06 01 15 --- 12 23 01 78.7 258.5 0.8 75.1 600 212 05 51 16 06 01 15 TARGET 12 23 01 78.7 258.5 0.8 75.1 -7 212 No stop 06 02 15 --- 12 24 01 78.5 258.8 0.8 75.3 53 214 06 01 16 06 03 00 PHASE-REF 12 24 47 80.4 272.4 0.7 89.2 -10 214 06 03 00 06 04 30 --- 12 26 17 80.1 272.4 0.7 89.1 80 217 06 03 01 06 05 32 BP-CAL 12 27 19 74.0 301.6 1.0 115.9 -98 217 06 05 32 06 10 32 --- 12 32 20 73.0 300.0 1.1 113.7 202 227 06 05 33 06 11 32 TARGET 12 33 20 76.3 261.3 0.9 77.1 -44 227 06 11 32 06 21 32 --- 12 43 22 73.9 263.2 1.1 78.3 556 246 06 11 33 06 21 47 TARGET 12 43 37 73.9 263.3 1.1 78.4 7 246 06 21 47 06 30 00 --- 12 51 51 71.9 264.6 1.2 79.1 493 262 06 21 48 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess117.P256glob Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: ar90cm Frontend 30-MHz filter (between 312-342 MHz), TG 22-Sep-04 ****** Only 63.50 of 64.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 3 Station: ARECIBO Total bit rate: 256 Format: MKIV1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1076.00 1076.00 1076.00 1076.00 1076.00 1076.00 1076.00 1076.00 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 2 1 2 3 4 3 4 BBC SB= U U L L U U L L IF = A C A C A C A C The following frequency sets based on these setups were used. Frequency Set: 1 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= 755.75 755.75 755.75 755.75 739.75 739.75 739.75 739.75 Bandwd= 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 Matching frequency sets: 1 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 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