Evolution of low and intermediate mass stars in binary systems: a new look at Algol systems

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Président du jury Knaepen, Bernard

Promoteur Jorissen, Alain

Publication Non publié, 2015-06-03

Thèse de doctorat

Résumé :

Despite being observed since the XVIIIth century, Algol systems and related objects are

still rather poorly understood. We know that they are composed by a generally B-A main sequence

star and a lighter but more evolved companion star. This paradox is explained by the transfer of mass

between the two stars, but new problems arose. In particular, I studied the mass-transfer driven spin-

up of the accreting star that drives the star to critical rotation and the puzzling, indirectly observed, non-conservative evolution.

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