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Title: Geometrical constraints upon the unipolar model of {V407 Vul} and {RX J0806.3+1527}
Author(s): Barros, S.C.C.; Marsh, T.R.; Groot, P.J. ; Roelofs, G.H.A. ; Nelemans, G.A. ; Ramsay, G.; Steeghs, D.
Publication year: 2005
In: Hameury, J.-M.; Lasota, J.-P. (ed.), APS Conf. Ser. 330: The Astrophysics of Cataclysmic Variables and Related, pp. 331-332
Publisher: Strasbourg, France : Astronomical Society of the Pacific
ISBN: 1583811931
Related links: http://ukads.nottingham.ac.uk/cgi-bin/nph-bib_query?bibcode=2005ASPC..330..331B&db_key=AST&high=43cce817f329891
Publication type: Article in monograph or in proceedings

Please use this identifier to cite or link to this item : http://hdl.handle.net/2066/32558   http://hdl.handle.net/2066/32558

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Editor(s): Hameury, J.-M.; Lasota, J.-P.
Subject: Astronomy
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
Abstract:
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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