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Preprint 09f/10

Spectral Analysis of AMCVn Systems

D. Krausz, T. Nagel, T. Rauch and K. Werner

Institute for Astronomy and Astrophysics, Kepler Center for Astro and Particle Physics, Eberhard
Karls University, Sand 1, 72076 Tübingen, Germany

To be published in: Proceedings of the 17th European White Dwarf Workshop, AIP Conference Series

Abstract. AMCVn systems are hydrogen-deficient, short-period CVs. We describe the modeling of their spectra by means of NLTE accretion-disc models. For most of these objects, system parameters, like mass-accretion rate or primary mass, are not well known, resulting in an enormous time effort modeling them. Because the accretion disc consists of material transferred from the secondary, spectral analysis of the disc helps to understand these systems’ formation scenarios.
 

Preprint (204 kb PDF file including figures)

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