COVER INFORMATION Station: GBTS (Code Gt ) Experiment: RadioAstron AGN polarization imaging Exp. Code: gg079a Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Jose L. Gomez, Andrei Lobanov 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: L-band, dual-pol Notes: L-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 ---------------------------------------------------------------------------------------- --- Wed 30 Mar 2016 Day 90 --- ---------- The following is to control the GBTS tracking station recorder ---------- Next scan frequencies: 1636.00 1636.00 1636.00 1636.00 1668.00 1668.00 1668.00 1668.00 Next BBC frequencies: 146.00 146.00 146.00 146.00 178.00 178.00 178.00 178.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 21 10 00 FAKERA 04 25 23 36.2 5.8 -7.6 -62.6 0 0 21 10 00 21 26 20 --- 04 41 46 36.6 6.0 -7.3 -66.6 980 63 21 10 01 21 26 50 FAKERA 04 42 16 36.6 6.0 -7.3 -66.7 10 63 21 26 50 21 43 10 --- 04 58 39 36.9 6.1 -7.0 -70.7 980 126 21 26 51 21 43 40 FAKERA 04 59 09 36.9 6.1 -7.0 -70.8 10 126 21 43 40 22 00 00 --- 05 15 32 37.3 6.3 -6.8 -74.8 980 188 21 43 41 --- Start: Wed 30 Mar 2016 Day 90 -- Stop: Thu 31 Mar 2016 Day 91 --- ---------- The following is to control the GBTS tracking station recorder ---------- 23 55 00 FAKERA 07 10 50 39.8 6.3 -4.8 -103.5 6880 188 23 55 00 00 11 20 --- 07 27 13 40.1 6.2 -4.6 -107.6 980 251 23 55 01 00 11 50 FAKERA 07 27 43 40.2 6.2 -4.6 -107.8 10 251 00 11 50 00 28 10 --- 07 44 06 40.5 6.0 -4.3 -112.0 980 314 00 11 51 00 28 40 FAKERA 07 44 36 40.5 6.0 -4.3 -112.1 10 314 00 28 40 00 45 00 --- 08 00 59 40.8 5.8 -4.0 -116.3 980 377 00 28 41 ---------- The following is to control the GBTS tracking station recorder ---------- 02 40 00 FAKERA 09 56 18 42.7 3.6 -2.1 -146.5 6880 377 02 40 00 02 56 20 --- 10 12 40 42.9 3.2 -1.8 -150.9 980 440 02 40 01 02 56 50 FAKERA 10 13 10 42.9 3.1 -1.8 -151.0 10 440 02 56 50 03 13 10 --- 10 29 33 43.1 2.7 -1.5 -155.4 980 503 02 56 51 03 13 40 FAKERA 10 30 03 43.1 2.7 -1.5 -155.5 10 503 03 13 40 03 30 00 --- 10 46 26 43.2 2.2 -1.2 -159.9 980 565 03 13 41 ---------- The following is to control the GBTS tracking station recorder ---------- 05 25 00 FAKERA 12 41 45 43.4 -1.2 0.7 169.0 6880 565 05 25 00 05 41 20 --- 12 58 07 43.4 -1.7 1.0 164.6 980 628 05 25 01 05 41 50 FAKERA 12 58 37 43.4 -1.7 1.0 164.4 10 628 05 41 50 05 58 10 --- 13 15 00 43.2 -2.2 1.2 160.0 980 691 05 41 51 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 ---------------------------------------------------------------------------------------- --- Thu 31 Mar 2016 Day 91 --- 05 58 40 FAKERA 13 15 30 43.2 -2.2 1.2 159.9 10 691 05 58 40 06 15 00 --- 13 31 53 43.1 -2.7 1.5 155.5 980 754 05 58 41 ---------- The following is to control the GBTS tracking station recorder ---------- 08 00 00 FAKERA 15 17 10 41.7 -5.1 3.3 127.6 6280 754 08 00 00 08 16 20 --- 15 33 33 41.4 -5.4 3.5 123.4 980 817 08 00 01 08 16 50 FAKERA 15 34 03 41.4 -5.4 3.6 123.2 10 817 08 16 50 08 33 10 --- 15 50 26 41.0 -5.7 3.8 119.0 980 879 08 16 51 08 33 40 FAKERA 15 50 56 41.0 -5.7 3.8 118.9 10 879 08 33 40 08 50 00 --- 16 07 18 40.7 -5.9 4.1 114.6 980 942 08 33 41 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra18cm2.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: 25 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= 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 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 2 2 3 3 4 4 BBC SB= U L U L U L U L IF = A A B B A A B B The following frequency sets based on these setups were used. Frequency Set: 12 Setup file default. Used with PCAL = off LO sum= 1636.00 1636.00 1636.00 1636.00 1668.00 1668.00 1668.00 1668.00 BBC fr= 146.00 146.00 146.00 146.00 178.00 178.00 178.00 178.00 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 12 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 56.741257 0.00 85 16 41.77889 * 85 00 00.00000 84 54 38.38204 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 54.206774 0.00 J1331+3030 30 45 58.64060 * 30 30 32.95924 30 25 28.58949 0.00 * 3C286 ./gg079a_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 51.642341 0.00 J0319+4130 41 19 51.91847 * 41 30 42.10559 41 34 05.47448 0.00 * 3C84 ./gg079a_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 15448 observations, RA-AO3-04, RA-AO2-1 0851+202 08 51 57.250618 * 08 54 48.874930 08 55 44.920816 0.00 J0854+2006 20 17 58.41733 * 20 06 30.64078 20 02 37.68080 0.00 * OJ287 ./gg079a_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 213710 observations, RA-AO3-04, RA-AO3- * 1641+399 16 41 17.606226 * 16 42 58.809963 16 43 32.203998 0.00 J1642+3948 39 54 10.81479 * 39 48 36.99385 39 46 41.97815 0.00 3C345 ./gg079a_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 51938 observations, RA-AO3-04, RA-AO3-0 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 ra18cm2.set 12 4.083 0.000 3C286 ra18cm2.set 1 2 3 4 5 6 7 8 11 13 14 25 0.883 55.135 3C84 ra18cm2.set 25 0.083 3.750 ra6cm2.set 45 0.067 3.000 ra4cm2.set 15 0.083 3.750 ra2cm2.set 35 0.100 4.500 OJ287 ra18cm2.set 25 1.000 29.800 ra6cm2.set 45 0.767 21.933 ra4cm2.set 15 0.944 28.967 ra2cm2.set 35 1.256 34.817 1641+399 ra18cm2.set 1 2 3 4 5 6 7 8 11 13 14 25 + 10.694 1261.236 ra6cm2.set 45 0.333 15.000 ra4cm2.set 15 0.417 18.750 ra2cm2.set 35 0.500 22.475 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 90.7 3C286 143.1 3C84 51.7 OJ287 119.8 1641+399 109.0 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