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Hydrodynamic Simulations of Irradiated Secondary Stars in Dwarf Novae

Published online by Cambridge University Press:  09 August 2007

M. Viallet  and
J.H. Hameury
M. Viallet
Affiliation:
Observatoire Astronomique, Strasbourg, FRANCE email: [email protected] email: [email protected]
J.H. Hameury
Affiliation:
Observatoire Astronomique, Strasbourg, FRANCE email: [email protected] email: [email protected]
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Abstract

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We investigate the possibility of a mass transfer enhancement during outburst in dwarf novae. We present here the first two-dimensional hydrodynamic simulations of the surface flows in the secondary, driven by the strong inhomogenous heating of the atmosphere during an outburst. We also discuss the possibility that the direct heating of the L1 point by the disc rim contributes to the mass transfer enhancement.

Keywords

accretionaccretion disks - binaries : close - novaecataclysmic variables - stars : dwarf novae
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S240: Binary Stars as Critical Tools & Tests in Contemporary Astrophysics , August 2006 , pp. 593 - 595
Copyright
Copyright © International Astronomical Union 2007

References

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