COVER INFORMATION Station: GBTS (Code Gt ) Experiment: RadioAstron AGN polarization imaging Exp. Code: gg081c Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Jose L. Gomez Address: Instituto de Astrofisica de Andalucia-CSIC Glorieta de la Astronomia E-18008 Granada, Spain Phone: +79165452842 EMAIL: jlgomez@iaa.es, alobanov@mpifr-bonn.mpg.de Fax: Phone during observation: +79165452842 Observing mode: K-band,Q-band, dual-pol Notes: K-band, Radioastron-compatible frequency setup P-CAL is ON Tsys is ON auto-level (AGC) is ON Schedule for GBTS (Code Gt ) Page 2 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Tue 7 Mar 2017 Day 66 --- ---------- The following is to control the GB tracking station recorder ---------- Next scan frequencies: 22236.00 22236.00 22236.00 22236.00 22268.00 22268.00 22268.00 22268.00 22300.00 22300.00 22300.00 22300.00 22332.00 22332.00 22332.00 22332.00 Next BBC frequencies: 736.00 736.00 736.00 736.00 768.00 768.00 768.00 768.00 800.00 800.00 800.00 800.00 832.00 832.00 832.00 832.00 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 23 45 00 FAKERA 05 29 11 37.6 6.4 -6.5 -78.1 0 0 23 44 49 23 55 00 --- 05 39 12 37.8 6.4 -6.4 -80.6 600 78 23 44 50 --- Start: Tue 7 Mar 2017 Day 66 -- Stop: Wed 8 Mar 2017 Day 67 --- 23 55 30 FAKERA 05 39 42 37.8 6.4 -6.4 -80.7 10 78 23 55 19 00 05 00 --- 05 49 14 38.0 6.5 -6.2 -83.1 570 153 23 55 20 00 05 30 FAKERA 05 49 44 38.0 6.5 -6.2 -83.2 10 153 00 05 19 00 15 00 --- 05 59 16 38.2 6.5 -6.0 -85.5 570 227 00 05 20 00 15 30 FAKERA 05 59 46 38.2 6.5 -6.0 -85.7 10 227 00 15 19 00 25 00 --- 06 09 17 38.4 6.5 -5.9 -88.0 570 302 00 15 20 00 25 30 FAKERA 06 09 47 38.5 6.5 -5.9 -88.1 10 302 00 25 19 00 35 00 --- 06 19 19 38.7 6.5 -5.7 -90.5 570 376 00 25 20 00 35 30 FAKERA 06 19 49 38.7 6.5 -5.7 -90.6 10 376 00 35 19 00 45 00 --- 06 29 21 38.9 6.5 -5.5 -93.0 570 451 00 35 20 ---------- The following is to control the GB tracking station recorder ---------- 03 20 00 FAKERA 09 04 46 42.0 4.8 -2.9 -132.9 9280 451 03 19 49 03 30 00 --- 09 14 48 42.2 4.6 -2.8 -135.5 600 529 03 19 50 03 30 30 FAKERA 09 15 18 42.2 4.5 -2.8 -135.6 10 529 03 30 19 03 40 00 --- 09 24 49 42.3 4.3 -2.6 -138.1 570 604 03 30 20 03 40 30 FAKERA 09 25 19 42.3 4.3 -2.6 -138.3 10 604 03 40 19 03 50 00 --- 09 34 51 42.5 4.1 -2.4 -140.8 570 678 03 40 20 03 50 30 FAKERA 09 35 21 42.5 4.1 -2.4 -140.9 10 678 03 50 19 04 00 00 --- 09 44 53 42.6 3.9 -2.3 -143.5 570 753 03 50 20 04 00 30 FAKERA 09 45 23 42.6 3.9 -2.3 -143.6 10 753 04 00 19 04 10 00 --- 09 54 54 42.7 3.6 -2.1 -146.1 570 827 04 00 20 Schedule for GBTS (Code Gt ) Page 3 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- 04 10 30 FAKERA 09 55 24 42.7 3.6 -2.1 -146.2 10 827 04 10 19 04 20 00 --- 10 04 56 42.8 3.4 -1.9 -148.8 570 902 04 10 20 ---------- The following is to control the GB tracking station recorder ---------- 07 00 00 FAKERA 12 45 22 43.4 -1.3 0.7 168.0 9580 902 06 59 49 07 10 00 --- 12 55 24 43.4 -1.6 0.9 165.3 600 980 06 59 50 07 10 30 FAKERA 12 55 54 43.4 -1.7 0.9 165.2 10 980 07 10 19 07 20 00 --- 13 05 25 43.3 -1.9 1.1 162.6 570 1054 07 10 20 07 20 30 FAKERA 13 05 56 43.3 -2.0 1.1 162.5 10 1054 07 20 19 07 30 00 --- 13 15 27 43.2 -2.2 1.2 159.9 570 1129 07 20 20 07 30 30 FAKERA 13 15 57 43.2 -2.2 1.2 159.8 10 1129 07 30 19 07 40 00 --- 13 25 29 43.2 -2.5 1.4 157.2 570 1203 07 30 20 07 40 30 FAKERA 13 25 59 43.2 -2.5 1.4 157.1 10 1203 07 40 19 07 50 00 --- 13 35 30 43.1 -2.8 1.6 154.5 570 1278 07 40 20 07 50 30 FAKERA 13 36 00 43.1 -2.8 1.6 154.4 10 1278 07 50 19 08 00 00 --- 13 45 32 43.0 -3.1 1.7 151.9 570 1352 07 50 20 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra1cm2.set --- 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: 35 Station: GBTS Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 Net SB= U L U L U L U L U L U L U L U L IF SB = U U U U U U U U U U U U U U U U Pol. = LCP LCP RCP RCP LCP LCP RCP RCP LCP LCP RCP RCP LCP LCP RCP RCP BBC = 1 1 5 5 2 2 6 6 3 3 7 7 4 4 8 8 BBC SB= U L U L U L U L U L U L U L U L IF = A1 A1 B3 B3 A1 A1 B3 B3 A1 A1 B3 B3 A1 A1 B3 B3 The following frequency sets based on these setups were used. Frequency Set: 21 Setup file default. Used with PCAL = 1MHz LO sum= 22236.00 22236.00 22236.00 22236.00 22268.00 22268.00 22268.00 22268.00 22300.00 22300.00 22300.00 22300.00 22332.00 22332.00 22332.00 22332.00 BBC fr= 736.00 736.00 736.00 736.00 768.00 768.00 768.00 768.00 800.00 800.00 800.00 800.00 832.00 832.00 832.00 832.00 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: 21 54 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * FAKERA 11 57 21.769299 * 12 00 00.000000 12 00 59.861040 0.00 85 16 41.77889 * 85 00 00.00000 84 54 12.96182 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at * 1814-637 18 14 45.949299 * 18 19 35.002600 18 21 12.288328 0.00 -63 47 03.20742 *-63 45 48.20500 -63 44 57.59250 0.00 From catalog imbedded in main SCHED input file. possble calibrator source for LBA?? 1328+307 13 28 49.657778 * 13 31 08.288070 13 31 56.345486 0.00 J1331+3030 30 45 58.64060 * 30 30 32.95924 30 25 08.66218 0.00 * 3C286 ./gg081c_sources.radioastron WSRT calibrator, not for 92cm, rfc_2013d Petrov, 2013, unpublished 542 observati * 0716+714 07 16 13.029739 * 07 21 53.448474 07 23 50.595719 0.00 J0721+7120 71 26 15.17406 * 71 20 36.36340 71 18 40.38874 0.00 ./gg081c_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 42370 observations, RA-AO3-04, RA-AO2-1 * 0851+202 08 51 57.250618 * 08 54 48.874930 08 55 48.283390 0.00 J0854+2006 20 17 58.41733 * 20 06 30.64078 20 02 24.49441 0.00 OJ287 ./gg081c_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 213710 observations, RA-AO3-04, RA-AO3- 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 FAKERA ra1cm2.set 21 5.750 0.000 1814-637 ra1cm2.set 9 10 11 12 13 2.639 20.990 3C286 ra1cm2.set 51 0.267 0.000 ra7mm2.set 52 0.367 0.000 0716+714 ra1cm2.set 1 2 5 6 14 15 16 17 18 19 2 + 12.436 152.486 ra2cm2.set 43 55 0.450 14.171 ra7mm2.set 23 36 59 60 4.575 33.390 0851+202 ra1cm2.set 1 2 5 6 9 10 11 12 13 14 15 + 17.411 1982.713 ra2cm2.set 43 55 0.864 39.108 ra7mm2.set 36 52 59 60 0.911 54.094 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) FAKERA 99.9 1814-637 78.3 3C286 138.8 0716+714 104.6 0851+202 143.1 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