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Relativistic models of kHz QPOs

W. Kluzniak

astro-pharXiv:astro-ph/0012544

Abstract

After reviewing the general-relativistic ``gap'' model of accretion, I discuss its relation to the high frequency quasi-periodic oscillations observed in low-mass X-ray binaries. The ``300'' Hz frequency seen in some X-ray bursts may be a relativistic signature of keplerian rotation of the neutron star.

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