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White Dwarf Masses in magnetic CVs: Multi-temperature Fits to Ginga data

  • Mark Cropper (a1), Gavin Ramsay (a2) and Kinwah Wu (a3)

Abstract

We have used the hard X-ray spectrum obtained from Ginga to determine the mass of the white dwarf primary star in 13 magnetic CV systems. Our model for the spectral fit includes the temperature and density structure in the post-shock accretion flow, taking into account the additional cooling of the cyclotron radiation. We obtain good fits to the data, and we compare our derived masses to those determined by other means.

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