Other
Scientific paper
Oct 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..797..319p&link_type=abstract
INTERACTING BINARIES: Accretion, Evolution, and Outcomes. AIP Conference Proceedings, Volume 797, pp. 319-330 (2005).
Other
5
Novae, White Dwarfs, Stellar Evolution, Accretion, Novae, Dwarf Novae, Recurrent Novae, And Other Cataclysmic Variables, Cataclysmic Binaries, Symbiotic Stars, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae
Scientific paper
The theory of classical nova outbursts is reviewed. It shows that the different nova characteristics can be reproduced by varying the values of three basic and independent parameters: the white dwarf mass MWD, the temperature of its isothermal core TWD and the mass transfer rate Ṁ. The parameter space is shown to be constrained by several analytical considerations. We present a grid of multicycle nova evolution models that spans the entire grid of parameter combinations for C-O white dwarfs. The full grid covers the entire range of observed nova characteristics, even those of peculiar objects, which have not been numerically reproduced until now. Most remarkably, runs for very low Ṁ lead to very high values for some characteristics, such as outburst amplitude A >= 20, high super-Eddington luminosities at maximum, heavy element abundance of the ejecta Zej ~ 0.63 and high ejected masses mej ~ 7 × 10-4 Msolar. Some hitherto unpublished results of the long term evolution of a low mass accreting white dwarf are also presented.
Kovetz Attay
Prialnik Dina
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