The Outbursts of Dwarf Novae

Details The Outbursts of Dwarf Novae The Outbursts of Dwarf Novae

2000-07-13

arxiv.org/abs/astro-ph/0007186v1

Mon.Not.Roy.Astron.Soc. 319 (2000) 467

Astronomy and Astrophysics

Astrophysics

10 pages, 12 figures. MNRAS, accepted

Scientific paper

10.1046/j.1365-8711.2000.03880.x

We present a numerical scheme for the evolution of an accretion disc through a dwarf nova outburst. We introduce a time-varying artificial viscosity into an existing smoothed particle hydrodynamics code optimised for two and three-dimensional simulations of accretion discs. The technique gives rise to coherent outbursts and can easily be adapted to include a complete treatment of thermodynamics. We apply a two-dimensional isothermal scheme to the system SS Cygni and present a wide range of observationally testable results.

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