Theory of quasi-spherical accretion in X-ray pulsars

  title={Theory of quasi-spherical accretion in X-ray pulsars},
  author={Nikolai I. Shakura and Konstantin A Postnov and Al. Yu. Kochetkova and L. Hjalmarsdotter},
  journal={Monthly Notices of the Royal Astronomical Society},
A theoretical model for quasi-spherical subsonic accretio n onto slowly rotating magnetized neutron stars is constructed. In this model the accr eting matter subsonically settles down onto the rotating magnetosphere forming an extended quasi-static shell. This shell mediates the angular momentum removal from the rotating neutron star magnetosphere during spin-down episodes by large-scale convective motions. The accretion rate through the shell is determined by the abilit y of the plasma to… 

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