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Mass Flow in Close Binary Systems

Published online by Cambridge University Press:  14 August 2015

Yoji Kondo  and
G. E. Mccluskey
Yoji Kondo
Affiliation:
Astrophysics Section, NASA Johnson Space Center, Houston, Tex., U.S.A.
G. E. Mccluskey
Affiliation:
Division of Astronomy, Dept. of Mathematics, Lehigh University, Bethlehem, Penn., U.S.A.

Abstract

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The manner of mass flow in close binary systems is examined with a special view to the role of the so-called critical Roche (or Jacobian) lobe taking into consideration relevant physical conditions such as radiation pressure that may affect the restricted three-body problem treatment. The mass does not necessarily flow from component one to component two through the L1 point to form a gaseous ring surrounding the latter. These considerations are applied to X-ray binaries with early-type optical components, such as Cyg X-1 (HDE 226868) and 3U 1700-37 (HD 153919). In the two bright close binary systems β Lyr and UW CMa, which are believed to be undergoing dynamic mass transfer, recent Copernicus Princeton Telescope Spectrometer observations show that the gas giving rise to the prominent ultraviolet emission lines surrounds the entire binary system rather than merely component two. Implications of these observations are also discussed.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 73: Structure and Evolution of Close Binary Systems , 1976 , pp. 277 - 282
Copyright
Copyright © Reidel 1976 

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