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Thermal-timescale mass transfer and magnetic CVs

Published online by Cambridge University Press:  12 April 2016

Klaus Schenker ,
Graham A. Wynn  and
Roland Speith
Klaus Schenker
Affiliation:
Theoretical Astrophysics Group, Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, U.K.
Graham A. Wynn
Affiliation:
Theoretical Astrophysics Group, Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, U.K.
Roland Speith
Affiliation:
Theoretical Astrophysics Group, Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, U.K.

Abstract

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We investigate the spin evolution of the unusual magnetic CV AE Aqr. As a prototype for a potentially large population of CVs subject to a thermally unstable phase of mass transfer, understanding its future is crucial. We present a new definition of the magnetospheric radius in terms of the white dwarf’s spin period, and use this along with numerical simulations to follow the spin evolution of AE Aqr. We also present preliminary SPH results suggesting the existence of a stable propeller state. These results highlight the complexity of MCVs and may provide an improved understanding of the evolution of all types of CVs.

Information

Type
Part 1. Population and Evolution
Information
International Astronomical Union Colloquium , Volume 190: Magnetic Cataclysmic Variables , 2004 , pp. 8 - 14
Copyright
Copyright © Astronomical Society of the Pacific 2004

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