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Hydrogen and Helium Flashes in Cataclysmic Variables

Published online by Cambridge University Press:  12 April 2016

Mariko Kato
Mariko Kato*
Affiliation:
Keio University, Hiyoshi, Kouhoku-ku, Yokohama 223, Japan

Abstract

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Light curve analysis for the decay phase of novae gives estimates of the white dwaif mass, the luminosity (or distance) and the chemical composition of ejecta. Differences in these parameters among nova subclass, i.e. fast, slow and recurrent, are briefly summarized to speculate on their cause. Helium shell flashes occur in mass-increasing white dwarfs, their theoretical light curves are given in UV and visual wavelength bands. An evolutional scenario for fast, slow and recurrent, and slow novae through a helium nova/EUV source-stage toward a type Ia supernova/neutron star formation-stage is given.

Type
Cataclysmic Variables: Eruptions and Flickering
Information
International Astronomical Union Colloquium , Volume 151: Flares and Flashes , 1995 , pp. 236 - 244
Copyright
Copyright © Springer-Verlag 1995

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