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Accretion Flows in Magnetic Cataclysmic Variables

Published online by Cambridge University Press:  22 February 2018

A. J. Norton ,
R. V. Somerscales ,
T. L. Parker ,
G. A. Wynn  and
R. G. West
A. J. Norton
Affiliation:
Dept. of Physics & Astronomy, The Open University
R. V. Somerscales
Affiliation:
Dept. of Physics & Astronomy, The Open University
T. L. Parker
Affiliation:
Dept. of Physics & Astronomy, The Open University
G. A. Wynn
Affiliation:
Dept. of Physics & Astronomy, Leicester University
R. G. West
Affiliation:
Dept. of Physics & Astronomy, Leicester University

Abstract

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We present the results of simulations that explore the variety of accretion flows possible in magnetic cataclysmic variables (mCVs). Our simulations evolve to equilibrium periods spanning 0.01 < Рspin/Рorb < 0.6 and the resulting flows vary from disc-fed systems at Рspin/Рorb ~ 0.01 - 0.1, to stream fed systems at Рspin/Рorb ~ 0.1 - 0.5 and systems fed from a ring at the outer edge of the white dwarf's Roche lobe at Рspin/Рorb ~ 0.6.

Resumen

Resumen

Presentamos los resultados do simulaciones que exploran la variedad de flujos de acreción posibles en variables cataclísmicas magnéticas (mCVs). Nuestras simulaciones evolucionan hasta alcanzar períodos de equilibrio quo abarcan 0.01 < Рspin/Рorb < 0.6, У los flujos resultantes varían desde sistemas alimentados por disco en Рspin/Рorb ~ 0.01 - 0.1 a sistemas alimentados por corrientes en Рspin/Рorb ~ 0.1 - 0.5 y sistemas alimentados desde un anillo en el borde exterior del lóbulo de Roche de la enana blanca, en Рspin/Рorb ~ 0.6.

Keywords

AccretionAccretion Disks — BinariesClose — StarsMagnetic
Type
The Contributed Papers
Information
International Astronomical Union Colloquium , Volume 194: Compact binaries in the galaxy and beyond , 2004 , pp. 138 - 139
Copyright
Copyright © Instituto de astronomia/revista mexicana de astronomίa y astrofίsica 2004

References

King, A. R., & Wynn, G. A. 1999, MNRAS, 310, 203 CrossRefGoogle Scholar
Norton, A. J., Somerscales, R.V., & Wynn, G. A. 2003. in ASP Conf. Ser. 190, “Magnetic Cataclysmic Variables”, eds. Cropper, M. & Vrielmann, S. Google Scholar
Patterson, J. 1994, PASP, 106, 209 CrossRefGoogle Scholar
Warner, B. 1995, Cataclysmic Variable Stars, Cambridge University Press, Cambridge Google Scholar