Stellar wind collision and dust formation in long-period, heavily interacting Wolf-Rayet binaries

Details Stellar wind collision and dust formation in long-period, heavily interacting Wolf-Rayet binaries Stellar wind collision and dust formation in long-period, heavily interacting Wolf-Rayet binaries

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.252...49u&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 252, Sept. 1, 1991, p. 49-52.

Astronomy and Astrophysics

Astronomy

73

Binary Stars, Cosmic Dust, Plasma Interactions, Stellar Winds, Wolf-Rayet Stars, Cold Gas, Gas Cooling, Gas Flow, Stellar Envelopes, Stellar Mass Ejection

Scientific paper

The rate of mass loss in the form of cold dense gas from a wide Wolf-Rayet binary like WR 140 is estimated. At some distance from the binary, this gas can form a dust shell and reradiate the UV radiation in the IR region. In the case of WR 140, which has a high eccentricity, the observed IR outbursts may be caused by the strong increase of the cold dense gas outflow from WR 140 at the periastron.

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