COVER INFORMATION Station: JODRELL1 (Code Jb ) Experiment: Radioastron-EVN-Ro: 0642+449 Exp. Code: gk047c Schedule Version: 1.00 Processed by SCHED version: 10.20 Release of about July 12, 2012 PI: Yuri Kovalev Address: ASC Lebedev Profsoyuznaya 84/32 117997 Moscow, Russia Phone: +7-495-3332167 EMAIL: yyk@asc.rssi.ru Fax: +7-495-3332378 Phone during observation: +7-915-1546281 Observing mode: L-band, dual-pol Notes: L-band, Radioastron-compatible frequency setup PCAL is ON Mk5 disk packs should be sent for correlation to Bonn Schedule for JODRELL1 (Code Jb ) Page 2 Radioastron-EVN-Ro: 0642+449 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 ---------------------------------------------------------------------------------------- --- Sun 10 Mar 2013 Day 69 --- Next scan frequencies: 1668.00 1668.00 1668.00 1668.00 Next BBC frequencies: 158.00 158.00 158.00 158.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 14 00 00 0642+449 01 04 23 36.6 61.7 -5.7 -48.0 0 0 14 00 00 14 09 30 --- 01 13 55 37.9 63.1 -5.6 -48.9 570 18 14 00 04 14 10 00 0642+449 01 14 25 37.9 63.2 -5.6 -48.9 23 18 14 10 00 14 19 30 --- 01 23 57 39.2 64.6 -5.4 -49.7 570 37 14 10 04 14 20 00 0642+449 01 24 27 39.3 64.7 -5.4 -49.7 23 37 14 20 00 14 29 30 --- 01 33 58 40.6 66.1 -5.2 -50.5 570 55 14 20 04 14 30 00 0642+449 01 34 28 40.6 66.2 -5.2 -50.5 23 55 14 30 00 14 39 30 --- 01 44 00 41.9 67.6 -5.1 -51.3 570 74 14 30 04 14 40 00 0642+449 01 44 30 42.0 67.7 -5.1 -51.3 23 74 14 40 00 14 49 30 --- 01 54 02 43.3 69.1 -4.9 -52.0 570 92 14 40 04 14 50 00 0642+449 01 54 32 43.4 69.2 -4.9 -52.1 23 92 14 50 00 15 00 00 --- 02 04 33 44.8 70.7 -4.7 -52.8 600 111 14 50 04 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess113.L256 Matching groups in /usr/local/sched/catalogs/freq.dat: j1b18cm LO from Parry 23Jan97, must be using Low patch Setup group: 2 Station: JODRELL1 Total bit rate: 256 Format: MKIV1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1510.00 1510.00 1510.00 1510.00 Net SB= L L U U Pol. = RCP LCP RCP LCP BBC = 2 1 2 1 BBC SB= L L U U IF = 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 3 Setup file default. LO sum= 1668.00 1668.00 1668.00 1668.00 BBC fr= 158.00 158.00 158.00 158.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 3 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCES USED IN RECORDING SCANS -- Radioastron-EVN-Ro: 0642+449 Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) J0646+4451 06 42 53.021452 * 06 46 32.025999 06 47 31.614680 0.14 * 0642+449 44 54 30.82734 * 44 51 16.59009 44 50 22.96629 0.10 J0646+44 /usr/local/sched/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 125872 observations 0.958 scan and 5.750 baseline hours in setup: sess113.L256 Frequency sets (dups not shown): 1 2 3 4 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) 0642+449 107.5 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