Spiral waves in accretion discs

  title={Spiral waves in accretion discs},
  author={H. M. J. Boffin and Danny T. H. Steeghs},
In the first part of this article, we review the observational evidence for spirals in the accretion discs of cataclysmic variables. It is shown that with the increasing amount of data available, spirals appear to be an omnipresent feature of accretion discs in outburst. Spirals seem to live until decline that is, for several tens of orbital periods. We then study the formation of spiral shocks from a theoretical side, using the results of various numerical simulations. We make a comparison… CONTINUE READING

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