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    National Tsing Hua University Institutional Repository > 歷任校長 > 徐遐生 (2002-2006) > 期刊論文 >  ON THE STRUCTURE OF CONTACT BINARIES .4. HIGH-MASS MODELS


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/81020


    Title: ON THE STRUCTURE OF CONTACT BINARIES .4. HIGH-MASS MODELS
    Authors: LUBOW, S.H.;SHU, F.H.
    教師: 徐遐生
    Date: 1979
    Publisher: American Astronomical Society
    Relation: ASTROPHYSICAL JOURNAL, American Astronomical Society, Volume 229, Issue 2, 1979, Pages 657-660
    Keywords: BINARY STARS
    MAIN SEQUENCE STARS
    STELLAR EVOLUTION
    STELLAR MASS
    STELLAR MODELS
    STELLAR STRUCTURE
    CONVECTIVE FLOW
    DISCONTINUITY
    HYPOTHESES
    ROCHE LIMIT
    STELLAR ENVELOPES
    STELLAR LUMINOSITY
    Abstract: Interior models for zero-age contact binaries of high total mass are constructed on the basis of the contact discontinuity hypothesis. The contact discontinuity in systems with a total mass greater than about 4 solar masses is shown to occur on the side of the primary rather than the secondary. Results for two models, one with masses of 4 + 2 solar masses and the other with 8 + 4 solar masses, are presented, along with the properties of the corresponding single stars. These results indicate that the most significant change introduced by the contact configuration is the appearance of a convection zone beneath the contact discontinuity at the Roche lobe of the primary. A proof is given that zero-age main-sequence radiative stars in thermal equilibrium cannot be expanded to fill their Roche lobes in a contact binary.
    --------------------------------------------------------------------------------
    Relation Link: http://aas.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/81020
    Appears in Collections:[ 徐遐生 (2002-2006)] 期刊論文
    [物理系] 期刊論文

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