Astrophysics and Space Science

, Volume 276, Supplement 1, pp 231–232 | Cite as

Viscous Evolution of an Accretion Disk in a Binary System

  • Galina V. Lipunova
  • Nikolai I. Shakura


A new analytical solution describing a time-dependent disk in a binarysystem at outburst, which has a fixed tidally-truncated outer radius,is applied to 1975 X-ray nova burst of A0620-00.The X-ray flux of a multicolor (black-body) α-disk decaysquasi-exponentially with time.Modeling the X-ray and the optical light curves of A0620-00, we canestimate α and obtain `distance–mass of compact object' relation.


Binary System Accretion Disk Outer Radius Light Curf Compact Object 
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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Galina V. Lipunova
    • 1
  • Nikolai I. Shakura
    • 1
  1. 1.Sternberg Astronomical InstituteMoscow State UniversityMoscowRussia

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