Non Circular Disks in AM CVn Systems?

  • J.-E. Solheim
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 208)


The AM CVn stars are mass transferring, interacting binary, white dwarf systems with orbital periods of 15…45 minutes. Hydrogen is completely lost from these systems, and we observe small helium disks which may show thermal and tidal instabilities if the mass transfer rate is large enough (Osaki 1995). A tidal instability brings the disk into a superoutburst state, and in the light curve we may observe superhumps.


Orbital Period Light Curve Mass Transfer Rate White Dwarf Cataclysmic Variable 
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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • J.-E. Solheim
    • 1
  1. 1.Institutt for Matematiske RealfagUniversitetet i TromsøTromsøNorway

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