On the Nature of Ch-Cygni Radio Burst

Details On the Nature of Ch-Cygni Radio Burst On the Nature of Ch-Cygni Radio Burst

Dec 1986

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

Pis'ma v Astronomicheskii Zhurnal, Vol. 12:11, P. 878, 1986

Astronomy and Astrophysics

Astronomy

2

Scientific paper

An analysis of the observations of CH Cyg at the moment of decrease of the hot component's brightness has shown that with decreasing of bolometric luminosity due to reduced accretion rate of the cool component's matter the hot component's effective temperature and Lc-quanta flux are increasing. Accordingly, at the minimum brightness the hot component begins to ionize noticeably the circumstellar gas envelope of CH Cyg (R ≈ 2×1015cm, ne ≈ 2×105cm-3). As a result the angular size of the H II region is increasing and the 15 GHz radio flux from CH Cyg is reaching 35 mJy.

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