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Radio emission from AM Herculis-type binariesA 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.
Document ID
19820047390
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Chanmugam, G.
(Louisiana State University Baton Rouge, LA, United States)
Dulk, G. A.
(Colorado, University Boulder, CO, United States)
Date Acquired
August 10, 2013
Publication Date
April 15, 1982
Publication Information
Publication: Astrophysical Journal
Subject Category
Astrophysics
Accession Number
82A30925
Funding Number(s)
CONTRACT_GRANT: NSG-7287
CONTRACT_GRANT: NSF AST-80-25250
CONTRACT_GRANT: NAGW-91
Distribution Limits
Public
Copyright
Other

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