COVER INFORMATION Station: GBTS (Code Gt ) Experiment: RadioAstron polarization imaging Exp. Code: gg083d Schedule Version: 1.20 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 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 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 ---------------------------------------------------------------------------------------- --- Thu 8 Feb 2018 Day 39 --- ---------- 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 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 22 08 00 FAKERA 02 04 30 34.0 3.2 -9.9 -29.0 0 0 22 07 49 22 18 00 --- 02 14 32 34.1 3.4 -9.8 -31.4 600 39 22 07 50 22 18 30 FAKERA 02 15 02 34.1 3.4 -9.8 -31.5 10 39 22 18 19 22 28 00 --- 02 24 34 34.2 3.6 -9.6 -33.7 570 76 22 18 20 22 28 30 FAKERA 02 25 04 34.3 3.6 -9.6 -33.9 10 76 22 28 19 22 38 00 --- 02 34 35 34.4 3.8 -9.4 -36.1 570 114 22 28 20 --- Fri 9 Feb 2018 Day 40 --- ---------- The following is to control the GB tracking station recorder ---------- 00 15 00 FAKERA 04 11 51 36.0 5.6 -7.8 -59.3 5800 114 00 14 49 00 25 00 --- 04 21 53 36.2 5.7 -7.7 -61.7 600 153 00 14 50 00 25 30 FAKERA 04 22 23 36.2 5.7 -7.6 -61.9 10 153 00 25 19 00 35 00 --- 04 31 55 36.4 5.9 -7.5 -64.2 570 190 00 25 20 00 35 30 FAKERA 04 32 25 36.4 5.9 -7.5 -64.3 10 190 00 35 19 00 45 00 --- 04 41 56 36.6 6.0 -7.3 -66.6 570 227 00 35 20 00 45 30 FAKERA 04 42 26 36.6 6.0 -7.3 -66.7 10 227 00 45 19 00 55 00 --- 04 51 58 36.8 6.1 -7.2 -69.0 570 265 00 45 20 00 55 30 FAKERA 04 52 28 36.8 6.1 -7.1 -69.1 10 265 00 55 19 01 05 00 --- 05 02 00 37.0 6.2 -7.0 -71.5 570 302 00 55 20 01 05 30 FAKERA 05 02 30 37.0 6.2 -7.0 -71.6 10 302 01 05 19 01 15 00 --- 05 12 01 37.2 6.3 -6.8 -73.9 570 339 01 05 20 ---------- The following is to control the GB tracking station recorder ---------- 03 55 00 FAKERA 07 52 27 40.7 6.0 -4.1 -114.1 9580 339 03 54 49 04 05 00 --- 08 02 29 40.9 5.8 -4.0 -116.6 600 378 03 54 50 04 05 30 FAKERA 08 02 59 40.9 5.8 -4.0 -116.8 10 378 04 05 19 04 15 00 --- 08 12 31 41.1 5.7 -3.8 -119.2 570 415 04 05 20 Schedule for GBTS (Code Gt ) Page 3 RadioAstron 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 ---------------------------------------------------------------------------------------- --- Fri 9 Feb 2018 Day 40 --- 04 15 30 FAKERA 08 13 01 41.1 5.7 -3.8 -119.4 10 415 04 15 19 04 25 00 --- 08 22 32 41.3 5.5 -3.6 -121.8 570 453 04 15 20 04 25 30 FAKERA 08 23 03 41.3 5.5 -3.6 -122.0 10 453 04 25 19 04 35 00 --- 08 32 34 41.5 5.4 -3.5 -124.4 570 490 04 25 20 04 35 30 FAKERA 08 33 04 41.5 5.4 -3.5 -124.6 10 490 04 35 19 04 45 00 --- 08 42 36 41.6 5.2 -3.3 -127.0 570 527 04 35 20 04 45 30 FAKERA 08 43 06 41.6 5.2 -3.3 -127.2 10 527 04 45 19 04 55 00 --- 08 52 37 41.8 5.0 -3.1 -129.7 570 564 04 45 20 ---------- The following is to control the GB tracking station recorder ---------- 07 35 00 FAKERA 11 33 04 43.5 0.9 -0.5 -172.5 9580 564 07 34 49 07 45 00 --- 11 43 05 43.5 0.5 -0.3 -175.2 600 604 07 34 50 07 45 30 FAKERA 11 43 35 43.5 0.5 -0.3 -175.3 10 604 07 45 19 07 55 00 --- 11 53 07 43.5 0.2 -0.1 -177.9 570 641 07 45 20 07 55 30 FAKERA 11 53 37 43.5 0.2 -0.1 -178.0 10 641 07 55 19 08 05 00 --- 12 03 09 43.5 -0.1 0.0 179.4 570 678 07 55 20 08 05 30 FAKERA 12 03 39 43.5 -0.1 0.0 179.3 10 678 08 05 19 08 15 00 --- 12 13 10 43.5 -0.4 0.2 176.7 570 715 08 05 20 08 15 30 FAKERA 12 13 40 43.5 -0.4 0.2 176.6 10 715 08 15 19 08 25 00 --- 12 23 12 43.5 -0.7 0.4 174.0 570 753 08 15 20 08 25 30 FAKERA 12 23 42 43.5 -0.7 0.4 173.9 10 753 08 25 19 08 35 00 --- 12 33 13 43.5 -1.0 0.5 171.3 570 790 08 25 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: 32 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: 14 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: 14 61 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 01 00.483936 0.00 85 16 41.77889 * 85 00 00.00000 84 53 47.52470 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 58.208451 0.00 J1331+3030 30 45 58.64060 * 30 30 32.95924 30 24 50.67595 0.00 * 3C286 ./gg083d_sources.radioastron WSRT calibrator, not for 92cm, rfc_2013d Petrov, 2013, unpublished 542 observati * 0727-115 07 27 58.097813 * 07 30 19.112473 07 31 10.802612 0.00 J0730-1141 -11 34 52.58107 *-11 41 12.60063 -11 43 44.55700 0.00 ./gg083d_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 155894 observations, RA-AO3-04, RA-AO2- * 0923+392 09 23 55.319218 * 09 27 03.013939 09 28 11.366254 0.00 J0927+3902 39 15 23.56637 * 39 02 20.85177 38 57 28.85387 0.00 4C39.25 ./gg083d_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 245863 observations, RA-AO3-04, RA-AO3- * 1226+023 12 26 33.245835 * 12 29 06.699731 12 30 02.412902 0.00 J1229+0203 02 19 43.30547 * 02 03 08.59797 01 57 07.17814 0.00 3C273B ./gg083d_sources.radioastron 3C273 AGN, rfc_2013d Petrov, 2013, unpublished 32011 observations, RA-AO3-04, RA-AO3-0 1253-055 12 53 35.831289 * 12 56 11.166557 12 57 07.519618 0.00 J1256-0547 -05 31 07.99603 *-05 47 21.52489 -05 53 12.02711 0.00 * 3C279 ./gg083d_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 7924 observations, RA-AO3-04, RA-AO3-05 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 14 5.283 0.000 3C286 ra1cm2.set 53 0.500 0.000 ra2cm2.set 54 0.500 0.000 ra7mm2.set 52 0.500 0.000 0727-115 ra1cm2.set 56 57 58 59 60 1.686 16.383 0923+392 ra1cm2.set 1 2 3 4 5 6 7 9 12 13 29 47 + 1.583 49.745 ra2cm2.set 38 54 0.667 20.333 ra7mm2.set 15 16 19 20 52 1.483 32.239 1226+023 ra1cm2.set 1 2 3 4 5 6 7 9 12 13 29 47 + 20.494 1018.787 ra2cm2.set 38 51 54 0.883 38.200 ra7mm2.set 15 16 19 20 52 1.642 47.821 3C279 ra1cm2.set 56 57 58 59 60 0.164 1.590 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 108.7 3C286 123.0 0727-115 140.1 0923+392 155.6 1226+023 134.3 3C279 125.2 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