On the Eddington limit in accretion discs

  title={On the Eddington limit in accretion discs},
  author={Dominikus Heinzeller and W. J. Duschl Institut fuer Theoretische Astrophysik and Universitaet Heidelberg and Germany now at Institut fuer Theoretische Physik und Astrophysik and Universitaet Kiel and Germany Steward Observatory and The University of Arizona and Usa},
  journal={Monthly Notices of the Royal Astronomical Society},
Although the Eddington limit has originally been derived for stars, recently its relevance for the evolution of accretion discs has been realized. We discuss the question whether the classical Eddington limit – which has been applied globally for almost all calculations on accretion discs – is a good approximation if applied locally in the disc. For this purpose, a critical accretion rate corresponding to this type of modified classical Eddington limit is calculated from thin α-disc models and… 

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