Radio emission from AM Herculis-type binaries

Details Radio emission from AM Herculis-type binaries Radio emission from AM Herculis-type binaries

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...255l.107c&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 255, Apr. 15, 1982, p. L107-L110.

Astronomy and Astrophysics

Astronomy

38

Binary Stars, Magnetic Stars, Radio Sources (Astronomy), Variable Stars, Astronomical Maps, Stellar Models, Synchrotron Radiation, White Dwarf Stars

Scientific paper

A VLA search for 4.9 GHz radiation from the magnetic cataclysmic variable AM Her, along with the similar EF Eri binary, has led to the discovery of AM Her radio emission having a flux density of 0.67 + or - 0.052 mJy, where 1 mJy is equal to 10 to the -29th W/sq m per Hz. Neither AM Her circular polarization nor EF Eri were detected. The AM Her data are shown to be consistent with a model in which radiation is due to geosynchrotron emission from electrons of energies of a few hundred keV, which are trapped in the magnetosphere of the white dwarf element of the cataclysmic variable.

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