Publication year
2005Author(s)
Publisher
Strasbourg, France : Astronomical Society of the Pacific
ISBN
1583811931
In
Hameury, J.-M.; Lasota, J.-P. (ed.), APS Conf. Ser. 330: The Astrophysics of Cataclysmic Variables and Related, pp. 331-332Related links
Publication type
Article in monograph or in proceedings

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Editor(s)
Hameury, J.-M.
Lasota, J.-P.
Organization
Astrophysics
Book title
Hameury, J.-M.; Lasota, J.-P. (ed.), APS Conf. Ser. 330: The Astrophysics of Cataclysmic Variables and Related
Page start
p. 331
Page end
p. 332
Subject
AstronomyAbstract
V407 Vul and RX J0806.3+1527 are X-ray emitting stars with X-ray light curves 100% modulated on periods of 569 and 321 seconds respectively. These are the only periods seen, and are thought to be the orbital periods of ultra-compact pairs of white dwarfs. There are two main double white dwarf models: the unipolar inductor model analogous to the Jupiter-Io system and the direct impact model analogous to Algol. We consider geometrical constraints on the unipolar inductor model, in particular what parameter values (component masses, orbital inclination i and magnetic co-latitude beta) can fit the X-ray and optical light curves.
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