Observational appearance of the common. Envelope in a close binary system.

Details Observational appearance of the common. Envelope in a close binary system. Observational appearance of the common. Envelope in a close binary system.

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008uvun.conf..203s&link_type=abstract

"Ultraviolet Universe II, Proceedings of the All-Russian Conference "UV Universe-2008" May 19-20, 2008, Moscow, Russia, Shustov,

Computer Science

Scientific paper

Results of 3D gasdynamical simulation of flow structure in a close binary system are presented. It is shown that a circumbinary envelope is formed in the binary system due to periodical matter outflow through a vicinity of the libration point L3 . In the inner part of the en- velope we observed a dense spiral structure that smoothly transforms into diffuse disk at distances of few separation units. It is also shown that the circumbinary envelope becomes optically thick for binaries with mass transfer rate M over 10 × 8 M /yr. Inhomogeneous distribution of matter in the circumbinary enve- lope results in eclipses of system components on certain phases. Perspectives of UV observations of binaries with circumbinary envelope is discussed.

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