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- W2014770083 abstract "view Abstract Citations (95) References (27) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Radio Emission from RS CVn Binaries. II. Polarization and Spectral Properties Mutel, R. L. ; Morris, D. H. ; Doiron, D. J. ; Lestrade, J. F. Abstract Multi-epoch radio observations of circular polarization and spectral characteristics of several close, late-type stellar binaries (mainly of the RS CVn class) are reported. The median luminosity of four well-studied systems ranged from 16.2 ≤ log(LR) ≤ 17.1 erg s-1Hz-1. For individual systems, the fractional circular polarization decreases with increasing luminosity, particularly at frequencies f ≥ 5 GHz. Eclipsing binaries have significantly lower average circular polarization compared with non-eclipsing systems. Helicity reversal is almost always observed between 1.4 and 4.9 GHz for systems with high orbital inclination. These spectral and polarization characteristics, combined with direct measurements of the brightness temperature using previously published VLBI observations, strongly support a model of inhomogeneous gyrosynchrotron emission arising from electrons with power law energy spectra interacting with inhomogeneous magnetic fields. The source emission region is probably cospatial with the large coronal loops deduced from X-ray observations. Publication: The Astronomical Journal Pub Date: May 1987 DOI: 10.1086/114402 Bibcode: 1987AJ.....93.1220M Keywords: Binary Stars; Circular Polarization; Late Stars; Radio Emission; Stellar Magnetic Fields; Magnetic Field Configurations; Radio Bursts; Stellar Luminosity; Synchrotron Radiation; Astrophysics; STARS: BINARIES; RADIO SOURCES: GENERAL full text sources ADS | data products SIMBAD (5) Related Materials (2) Part 1: 1985AJ.....90..493M Part 3: 1988AJ.....95..204M" @default.
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- W2014770083 date "1987-05-01" @default.
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- W2014770083 title "Radio emission from RS CVn binaries. II - Polarization and spectral properties" @default.
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