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X-Ray Emission from Degenerate Dwarfs

Published online by Cambridge University Press:  12 April 2016

N. D. Kylafis ,
D. Q. Lamb  and
A. R. Masters
N. D. Kylafis
Affiliation:
Department of Physics, University of Illinois
D. Q. Lamb
Affiliation:
Department of Physics, University of Illinois Department of Physics, Massachusetts Institute of Technology
A. R. Masters
Affiliation:
Department of Physics, University of Illinois

Extract

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Accreting degenerate dwarfs comprise an important class of galactic X-ray sources. This has become evident with the recent discovery of soft and hard X-ray emission from accreting magnetic degenerate dwarfs such as AM Her, AN UMa, and 2A0311-23, and from nonmagnetic or weakly magnetic cataclysmic variables such as SS Cyg, U Gem, EX Hya, and GK Per (for an observational review, see Garmire 1979). Previously known low mass X-ray binaries such as Cyg X-2 and Sco X-1, as well as some of the “bulge” sources, may also be moderate luminosity nonmagnetic degenerate dwarfs (Kylafis and Lamb 1979; Branduardi et al. 1979). Finally, theory predicts (Fabian, Pringle and Rees 1976; Katz 1977; Kylafis and Lamb 1979) an as yet undiscovered class of low luminosity nonmagnetic degenerate dwarf X-ray sources having hard (Tobs ≳ 30–50 keV) spectra.

Type
Colloquium Session VII
Information
International Astronomical Union Colloquium , Volume 53: White Dwarfs and Variable Degenerate Stars , August 1979 , pp. 483 - 488
Copyright
Copyright © The University of Rochester 1979

References

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