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Observational Evidence of Accretion Disk-Caused Jet Precession in Galactic Nuclei

Ju-Fu Lu, Bo-Yan Zhou

astro-pharXiv:astro-ph/0511212

Abstract

We show that the observational data of extragalactic radio sources tend to support the theoretical relationship between the jet precession period and the optical luminosity of the sources, as predicted by the model in which an accretion disk causes the central black hole to precess.

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