Accretion Flow Along a Dipolar Field: Application to Intermediate Polars

Details Accretion Flow Along a Dipolar Field: Application to Intermediate Polars Accretion Flow Along a Dipolar Field: Application to Intermediate Polars

2003-02-06

arxiv.org/abs/astro-ph/0302122v1

Astronomy and Astrophysics

Astrophysics

To be published in Proc Workshop magnetic CVs, Cape Town, Dec 2002

Scientific paper

A hydrodynamic formulation for accretion flow channeled by a dipolar magnetic field is constructed using a curvi-linear coordinate system natural to the field structure. We solve the hydrodynamic equations and determine the velocity, density and temperature profiles of the post-shock accretion flow. The results are applied to accretion flows in intermediate polars. We have found that for systems with massive white dwarfs (~1Msolar) the temperature profiles in the flow can differ significantly to those obtained from models in which the accretion column is assumed to be cylindrical.

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