Two-dimensional gas dynamic models of polar cap accretion onto magnetized neutron stars

Details Two-dimensional gas dynamic models of polar cap accretion onto magnetized neutron stars Two-dimensional gas dynamic models of polar cap accretion onto magnetized neutron stars

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aipc..115..235k&link_type=abstract

AIP Conference Proceedings, Volume 115, pp. 235-242 (1984).

Physics

Neutron Stars, X-Ray Sources, X-Ray Bursts, X-Ray Binaries

Scientific paper

Preliminary results are presented from a two-dimensional radiation gas dynamics study of polar cap accretion. In particular, we find that photon advection leads to fan beam formation when the accretion mass flux is independent of distance from the magnetic axis and that collisional excitation of cyclotron line photons is at least 10 times more important than bremsstrahlung as a source of photons. We also find evidence for the onset of a new form of overstable convection.

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