M.R. Truss
On the nature of superoutbursts in dwarf novae
Truss, M.R.; Murray, J.R.; Wynn, G.A.
Authors
J.R. Murray
G.A. Wynn
Abstract
We present the first detailed hydrodynamic simulation of a superoutburst to incorporate the full tidal potential of a binary system. A two-dimensional smoothed particle hydrodynamics code is used to simulate a superoutburst in a binary with the parameters of the SU UMa system Z Chamaeleontis. The simulated light curves shows all the features observed in such systems. Analysis of the mass flux through the disc and the growth rate of the superhumps and disc eccentricity show that the superoutburst–superhump phenomenon is a direct result of tidal instability. No enhanced mass transfer from the secondary is required to initiate or sustain these phenomena. Comparisons of superoutbursts with normal outbursts are made and we show that the model can be reconciled with the behaviour of U Geminorum-type dwarf novae, which show no superoutbursts.
Citation
Truss, M., Murray, J., & Wynn, G. (2001). On the nature of superoutbursts in dwarf novae. Monthly Notices of the Royal Astronomical Society, 324(1), L1-L5. https://doi.org/10.1046/j.1365-8711.2001.04535.x
Journal Article Type | Article |
---|---|
Publication Date | 2001-06 |
Deposit Date | Apr 28, 2008 |
Publicly Available Date | Apr 28, 2008 |
Journal | Monthly Notices of the Royal Astronomical Society |
Print ISSN | 0035-8711 |
Electronic ISSN | 1365-2966 |
Publisher | Royal Astronomical Society |
Peer Reviewed | Peer Reviewed |
Volume | 324 |
Issue | 1 |
Pages | L1-L5 |
DOI | https://doi.org/10.1046/j.1365-8711.2001.04535.x |
Keywords | Accretion discs, Instabilities, Binaries, Novae, Cataclysmic variables. |
Public URL | https://durham-repository.worktribe.com/output/1589403 |
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