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Correlations in the QPO Frequencies of Low Mass X-Ray Binaries and the Relativistic Precession Model

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arxiv astro-ph/9907346 v1 pith:3MOORONZ submitted 1999-07-26 astro-ph

Luigi Stella , Mario Vietri , Sharon Morsink This is my paper
classification astro-ph
keywords modelprecessionrelativisticbinariescorrelationmassneutronqpos
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A remarkable correlation between the centroid frequencies of quasi periodic oscillations, QPOs, (or peaked noise components) from low mass X-ray binaries, has been recently discovered by Psaltis, Belloni and van der Klis (1999). This correlation extends over nearly 3 decades in frequency and encompasses both neutron star and black hole candidate systems. We discuss this result in the light of the relativistic precession model, which has been proposed to interpret the kHz QPOs as well as some of the lower frequency QPOs of neutron star low mass X-ray binaries of the Atoll and Z classes. Unlike other models the relativistic precession model does not require the compact object to be a neutron star and can be applied to black hole candidates as well. We show that the predictions of the relativistic precession model match both the value and dependence of the correlation to a very good accuracy without resorting to additional assumptions.

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Cited by 5 Pith papers

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