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| Paper: |
Geometrical Constraints upon the Unipolar Model of V407 Vul and RX J0806.3+1527 |
| Volume: |
330, The Astrophysics of Cataclysmic Variables and Related Objects |
| Page: |
331 |
| Authors: |
Barros, S.C.C.; Marsh, T.R.; Groot, P.; Roelofs, G.; Nelemans, G.; Ramsay, G.; Steeghs, D. |
| 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 β) can fit the X-ray and optical light curves. |
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