On the origin of the radio flare in CH Cygni

Details On the origin of the radio flare in CH Cygni On the origin of the radio flare in CH Cygni

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pazh...12..878i&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 12, Nov. 1986, p. 878-882) Soviet Astronomy Letters (ISSN 0360-0327), vol. 12, Nov.-Dec

Astronomy and Astrophysics

Astronomy

Binary Stars, Radio Sources (Astronomy), Red Giant Stars, Stellar Flares, Stellar Luminosity, Stellar Temperature, Cygnus Constellation, Hydrogen Clouds, Stellar Envelopes

Scientific paper

Analysis of observations of CH Cyg during the 1984-1985 fade of the hot component indicates that, if this star accretes material from the cool M6 primary more slowly and its bolometric luminosity drops, its effective temperature and Lyman-continuum flux may nevertheless rise. Accordingly, when it is at minimum light the hot source will begin significantly to ionize the gaseous envelope surrounding the binary system, enlarging the corresponding H II region and raising the 15-GHz flux density to the observed value of 35 mJy.

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