The dust shell in the CH Cygnus system

Details The dust shell in the CH Cygnus system The dust shell in the CH Cygnus system

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..253t&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, March 1991, p. 253-260. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

4

Cosmic Dust, Cygnus Constellation, Infrared Radiation, Stellar Envelopes, Energy Dissipation, Infrared Astronomy, Light Curve, Stellar Structure

Scientific paper

The optical, temporal, and structural parameters of a circumstellar dustshell are estimated from an analysis of IR observations of CH Cyg during 1984-1990. It is shown that the observed light and color variations can be explained by the presence of two dust shells, a 'hot' shell whose formation and partial dissipation were observed in 1984-1990, and a 'cold' shell having a cloudy structure.

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