The White Dwarf Mass and the Accretion Rate of Recurrent Novae: an X-ray Perspective

Details The White Dwarf Mass and the Accretion Rate of Recurrent Novae: an X-ray Perspective The White Dwarf Mass and the Accretion Rate of Recurrent Novae: an X-ray Perspective

2011-11-02

arxiv.org/abs/1111.0625v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

4 pages, 1 figure; to be published in the proceedings of IAU Symposium 281, "Binary Paths to Type Ia Supernovae Explosions"

Scientific paper

We present recent results of quiescent X-ray observations of recurrent novae (RNe) and related objects. Several RNe are luminous hard X-ray sources in quiescence, consistent with accretion onto a near Chandrasekhar mass white dwarf. Detection of similar hard X-ray emissions in old novae and other cataclysmic variables may lead to identification of additional RN candidates. On the other hand, other RNe are found to be comparatively hard X-ray faint. We present several scenarios that may explain this dichotomy, which should be explored further.

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