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The structure equations of contact binaries

Name: The structure equations of contact binaries
Creator: H. Kähler
Keywords: 0103 physical sciences, 01 natural sciences, 7. Clean energy

descriptionPublicationkeyboard_double_arrow_right Article 18 Nov 2002Publisher:EDP SciencesJournal:Astronomy & Astrophysics, volume 395, pages 899-905 (issn: 0004-6361, eissn: 1432-0746,

Authors: H. Kähler;

doi: 10.1051/0004-6361:20021337

The structure equations of contact binaries

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Abstract

The structure equations of contact binaries are discussed. An equation for the transfer of mass between the com- ponents is derived. Serious uncertainties concern only the transfer of energy. They are expressed as unknown functions. An evolution code for contact binaries is presented. The restrictions imposed by a spherically averaged treatment of the compo- nents are discussed. Apart from these restrictions the code can be adapted to any choice of the functions describing the energy transfer. A simple tentative choice for these functions is proposed.

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