COVER INFORMATION Station: GBTS (Code Gt ) Experiment: RadioAstron AGN polarization imaging Exp. Code: gg083a 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,U-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 ---------------------------------------------------------------------------------------- --- Mon 9 Oct 2017 Day 282 --- ---------- The following is to control the GBTS tracking station recorder ---------- Next scan frequencies: 22236.00 22236.00 22236.00 22236.00 22268.00 22268.00 22268.00 22268.00 Next BBC frequencies: 736.00 736.00 736.00 736.00 768.00 768.00 768.00 768.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 01 35 00 FAKERA 21 27 08 34.4 -3.8 9.4 36.1 0 0 01 34 49 01 45 00 --- 21 37 10 34.2 -3.6 9.6 33.7 600 39 01 34 50 01 45 30 FAKERA 21 37 40 34.2 -3.6 9.6 33.6 10 39 01 45 19 01 55 00 --- 21 47 11 34.1 -3.4 9.8 31.3 570 76 01 45 20 01 55 30 FAKERA 21 47 42 34.1 -3.4 9.8 31.2 10 76 01 55 19 02 05 00 --- 21 57 13 34.0 -3.2 9.9 29.0 570 114 01 55 20 02 05 30 FAKERA 21 57 43 34.0 -3.1 10.0 28.9 10 114 02 05 19 02 15 00 --- 22 07 15 33.9 -2.9 10.1 26.6 570 151 02 05 20 02 15 30 FAKERA 22 07 45 33.9 -2.9 10.1 26.5 10 151 02 15 19 02 25 00 --- 22 17 16 33.8 -2.7 10.3 24.3 570 188 02 15 20 02 25 30 FAKERA 22 17 46 33.8 -2.7 10.3 24.1 10 188 02 25 19 02 35 00 --- 22 27 18 33.7 -2.4 10.4 21.9 570 225 02 25 20 ---------- The following is to control the GBTS tracking station recorder ---------- 05 45 00 FAKERA 01 37 49 33.8 2.5-10.4 -22.8 11380 225 05 44 49 05 55 00 --- 01 47 51 33.9 2.8-10.2 -25.2 600 265 05 44 50 05 55 30 FAKERA 01 48 21 33.9 2.8-10.2 -25.3 10 265 05 55 19 06 05 00 --- 01 57 53 34.0 3.0-10.0 -27.5 570 302 05 55 20 06 05 30 FAKERA 01 58 23 34.0 3.0-10.0 -27.7 10 302 06 05 19 06 15 00 --- 02 07 54 34.1 3.2 -9.9 -29.9 570 339 06 05 20 06 15 30 FAKERA 02 08 24 34.1 3.3 -9.9 -30.0 10 339 06 15 19 06 25 00 --- 02 17 56 34.2 3.5 -9.7 -32.3 570 376 06 15 20 06 25 30 FAKERA 02 18 26 34.2 3.5 -9.7 -32.4 10 376 06 25 19 06 35 00 --- 02 27 57 34.3 3.7 -9.5 -34.6 570 414 06 25 20 06 35 30 FAKERA 02 28 28 34.3 3.7 -9.5 -34.8 10 414 06 35 19 06 45 00 --- 02 37 59 34.4 3.9 -9.4 -37.0 570 451 06 35 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 ---------------------------------------------------------------------------------------- --- Mon 9 Oct 2017 Day 282 --- ---------- The following is to control the GBTS tracking station recorder ---------- 10 10 00 FAKERA 06 03 33 38.3 6.5 -6.0 -86.7 12280 451 10 09 49 10 20 00 --- 06 13 34 38.5 6.5 -5.8 -89.2 600 490 10 09 50 10 20 30 FAKERA 06 14 05 38.6 6.5 -5.8 -89.3 10 490 10 20 19 10 30 00 --- 06 23 36 38.8 6.5 -5.6 -91.7 570 527 10 20 20 10 30 30 FAKERA 06 24 06 38.8 6.5 -5.6 -91.8 10 527 10 30 19 10 40 00 --- 06 33 38 39.0 6.5 -5.4 -94.2 570 564 10 30 20 10 40 30 FAKERA 06 34 08 39.0 6.5 -5.4 -94.3 10 564 10 40 19 10 50 00 --- 06 43 39 39.2 6.5 -5.3 -96.7 570 602 10 40 20 10 50 30 FAKERA 06 44 09 39.2 6.5 -5.3 -96.8 10 602 10 50 19 11 00 00 --- 06 53 41 39.4 6.4 -5.1 -99.2 570 639 10 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: 30 Station: GBTS Total bit rate: 512 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 8 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 Net SB= U L U L U L U L IF SB = U U U U U U U U Pol. = LCP LCP RCP RCP LCP LCP RCP RCP BBC = 1 1 5 5 2 2 6 6 BBC SB= U L U L U L U L IF = A1 A1 B3 B3 A1 A1 B3 B3 The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 22236.00 22236.00 22236.00 22236.00 22268.00 22268.00 22268.00 22268.00 BBC fr= 736.00 736.00 736.00 736.00 768.00 768.00 768.00 768.00 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 16 59 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16 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 34.789477 0.00 85 16 41.77889 * 85 00 00.00000 84 54 03.68850 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at 1328+307 13 28 49.657778 * 13 31 08.288070 13 31 55.127711 0.00 J1331+3030 30 45 58.64060 * 30 30 32.95924 30 25 19.56062 0.00 * 3C286 ./gg083a_sources.radioastron WSRT calibrator, not for 92cm, rfc_2013d Petrov, 2013, unpublished 542 observati 0316+413 03 16 29.567283 * 03 19 48.160114 03 20 59.660736 0.00 J0319+4130 41 19 51.91847 * 41 30 42.10559 41 34 21.39346 0.00 * 3C84 ./gg083a_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 15448 observations, RA-AO3-04, RA-AO2-1 0355+508 03 55 45.261370 * 03 59 29.747271 04 00 50.453528 0.00 J0359+5057 50 49 20.28584 * 50 57 50.16179 51 00 34.74763 0.00 * NRAO150 ./gg083a_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 19270 observations, RA-AO3-04, RA-AO2-1 * 2200+420 22 00 39.362504 * 22 02 43.291371 22 03 28.303492 0.00 J2202+4216 42 02 08.59073 * 42 16 39.97987 42 22 04.96074 0.00 BLLAC ./gg083a_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 59417 observations, RA-AO3-04, RA-AO2-1 2251+158 22 51 29.519741 * 22 53 57.747940 22 54 50.943009 0.00 J2253+1608 15 52 54.34791 * 16 08 53.56074 16 14 42.95221 0.00 * 3C454.3 ./gg083a_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 40570 observations, RA-AO3-04, RA-AO2-1 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 16 6.383 0.000 3C286 ra1cm2.set 33 0.322 0.000 ra2cm2.set 34 0.317 0.000 ra7mm2.set 32 0.322 0.000 3C84 ra1cm2.set 1 2 3 4 7 9 11 23 33 0.322 47.150 ra2cm2.set 34 38 39 0.197 13.016 ra7mm2.set 21 22 32 49 0.242 16.917 NRAO150 ra1cm2.set 1 2 3 4 5 6 7 8 9 11 12 23 + 0.589 81.892 ra2cm2.set 34 39 0.200 10.000 ra7mm2.set 18 21 22 32 49 0.333 13.083 2200+420 ra1cm2.set 1 2 3 4 5 6 7 8 9 11 12 17 + 17.874 2530.536 ra2cm2.set 34 38 39 0.928 56.510 ra7mm2.set 18 21 22 32 49 1.081 82.250 3C454.3 ra1cm2.set 1 2 3 4 5 6 7 8 9 11 12 17 + 0.267 23.448 ra2cm2.set 34 39 0.161 8.250 ra7mm2.set 18 21 22 32 49 0.250 6.250 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 91.3 3C286 37.5 3C84 132.6 NRAO150 121.5 2200+420 127.1 3C454.3 148.1 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