COVER INFORMATION Station: DSS63 (Code Ro ) 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 DSS63 (Code Ro ) 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 --- Next scan frequencies: 1636.00 1636.00 1636.00 1636.00 1668.00 1668.00 1668.00 1668.00 Next BBC frequencies: 256.00 256.00 256.00 256.00 288.00 288.00 288.00 288.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 22 19 20 1641+399 10 37 16 23.5 416.9 -6.1 -56.1 0 0 22 19 20 22 28 50 --- 10 46 47 25.0 418.0 -5.9 -57.1 570 36 22 19 24 22 29 20 1641+399 10 47 17 25.1 418.1 -5.9 -57.2 20 36 22 29 20 22 38 50 --- 10 56 49 26.7 419.2 -5.8 -58.3 570 73 22 29 24 22 39 20 1641+399 10 57 19 26.8 419.2 -5.8 -58.3 20 73 22 39 20 22 48 50 --- 11 06 51 28.3 420.3 -5.6 -59.3 570 109 22 39 24 22 49 20 1641+399 11 07 21 28.4 420.3 -5.6 -59.4 20 109 22 49 20 22 58 50 --- 11 16 52 30.0 421.4 -5.4 -60.4 570 146 22 49 24 22 59 20 1641+399 11 17 22 30.1 421.4 -5.4 -60.5 20 146 22 59 20 23 08 50 --- 11 26 54 31.7 422.5 -5.3 -61.4 570 182 22 59 24 23 09 20 1641+399 11 27 24 31.8 422.5 -5.3 -61.5 20 182 23 09 20 23 18 50 --- 11 36 56 33.4 423.6 -5.1 -62.5 570 219 23 09 24 ---------- EVN-only polar. calib. 3C286 at L ---------- 23 22 10 3C286 11 40 16 65.3 465.1 -1.9 -58.5 24 219 23 22 10 23 31 40 --- 11 49 48 67.0 467.8 -1.7 -57.2 570 255 23 22 14 ---------- EVN-only scans on 1641+399 ---------- 23 35 00 1641+399 11 53 08 36.1 425.3 -4.8 -64.1 19 255 23 35 00 23 44 30 --- 12 02 40 37.8 426.2 -4.7 -65.0 570 292 23 35 04 23 45 00 1641+399 12 03 10 37.9 426.3 -4.7 -65.1 20 292 23 45 00 23 54 30 --- 12 12 41 39.6 427.3 -4.5 -66.0 570 328 23 45 04 --- Start: Wed 30 Mar 2016 Day 90 -- Stop: Thu 31 Mar 2016 Day 91 --- ---------- L-band VLBI scans. Space segment 02 ---------- 23 55 00 1641+399 12 13 11 39.6 427.3 -4.5 -66.0 20 328 23 55 00 00 11 20 --- 12 29 34 42.5 429.0 -4.2 -67.6 980 391 23 55 04 00 11 50 1641+399 12 30 04 42.6 429.0 -4.2 -67.6 20 391 00 11 50 00 28 10 --- 12 46 27 45.5 430.6 -4.0 -69.1 980 454 00 11 54 Schedule for DSS63 (Code Ro ) 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 --- 00 28 40 1641+399 12 46 57 45.6 430.7 -3.9 -69.2 20 454 00 28 40 00 45 00 --- 13 03 20 48.6 432.3 -3.7 -70.6 980 516 00 28 44 00 45 30 1641+399 13 03 50 48.7 432.3 -3.7 -70.7 20 516 00 45 30 00 55 00 --- 13 13 21 50.4 433.2 -3.5 -71.5 570 553 00 45 34 ---------- Pol. calibrator at L ---------- 00 59 40 3C286 13 18 02 79.6 523.2 -0.2 -14.8 -97 553 00 59 40 01 09 10 --- 13 27 34 80.0 534.6 -0.1 -4.7 473 589 00 59 44 ---------- target source 1641+399 at L ---------- 01 13 00 1641+399 13 31 24 53.7 434.9 -3.2 -73.0 -178 589 01 13 00 01 18 00 --- 13 36 25 54.6 435.4 -3.1 -73.4 122 609 01 13 04 01 18 30 1641+399 13 36 55 54.7 435.5 -3.1 -73.5 20 609 01 18 30 01 28 00 --- 13 46 27 56.5 436.4 -3.0 -74.3 570 645 01 18 34 01 28 30 1641+399 13 46 57 56.6 436.4 -2.9 -74.3 20 645 01 28 30 01 38 00 --- 13 56 28 58.4 437.3 -2.8 -75.1 570 682 01 28 34 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra18cm2.set Matching groups in ./gg079a_freq.dat: ro18cm LO from Harbison, e-mail 20/03/97. other values guesses Setup group: 14 Station: DSS63 Total bit rate: 512 Format: MKIV1:4 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= 1380.00 1380.00 1380.00 1380.00 1380.00 1380.00 1380.00 1380.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 BBC SB= L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 13 Setup file default. Used with PCAL = 1MHz LO sum= 1636.00 1636.00 1636.00 1636.00 1668.00 1668.00 1668.00 1668.00 BBC fr= 256.00 256.00 256.00 256.00 288.00 288.00 288.00 288.00 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 13 Track assignments are: track1= 2, 18, 3, 19, 66, 82, 67, 83 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