XMM-Newton observations of AM CVn binaries
Publication year
2005Source
Astronomy & Astrophysics, 440, 2, (2005), pp. 675-681ISSN
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Publication type
Article / Letter to editor

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Organization
Astrophysics
Journal title
Astronomy & Astrophysics
Volume
vol. 440
Issue
iss. 2
Page start
p. 675
Page end
p. 681
Subject
AstronomyAbstract
We present the results of XMM-Newton observations of four AM CVn systems - AM CVn, CR Boo, HP Lib and GP Com. Their light curves show very different characteristics. The X-ray light curves show no coherent pulsations, suggesting the accreting white dwarfs have relatively low magnetic field strengths. Their spectra were best modelled using a multi-temperature emission model and a strong UV component. We find that
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