Structure of the gas envelope in the interactive binary V448 CYG

Details Structure of the gas envelope in the interactive binary V448 CYG Structure of the gas envelope in the interactive binary V448 CYG

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993azh....70...91v&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 70, no. 1, p. 91-100.

Physics

1

Binary Stars, Stellar Envelopes, Stellar Physics, Stellar Structure, H Alpha Line, Stellar Spectra

Scientific paper

The structure of the gas envelope in the interactive binary V448 Cyg is studied on the basis of 11 spectra in the H-alpha-line region obtained with the aid of a CCD matrix with an SNR of about 100 and a resolution of about 20,000, and three photographic spectra with a dispersion of 14 A/mm. It is shown that emission of the H-alpha line is formed in the envelope region connected with the B-component near the L2 point. Circumstellar envelope parameters are determined.

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