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arxiv: 0712.4313 · v1 · submitted 2007-12-28 · 🌌 astro-ph

Nuclear/Circumnuclear Starbursts and Active Galactic Nuclei Mass Accretion in Seyfert Galaxies

Yasuyuki Watabe (1 , 2) , Nozomu Kawakatu (3) , Masatoshi Imanishi (3) ((1) Center for Computational Sciences , University of Tsukuba , (2) INAF-Osservatorio Astrofisico di Arcetri , (3) National Astronomical Observatory of Japan) This is my paper
classification 🌌 astro-ph
keywords luminositystarburstscircumnuclearnuclearstarburstaccretionactivecorrelated
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We investigated the correlation between nuclear/circumnuclear starbursts around the active galactic nuclei (AGNs) and the AGN activities for 43 Seyfert galaxies in the CfA and 12 micron samples. We found that circumnuclear starburst luminosity as well as nuclear starburst luminosity are positively correlated with AGN luminosity. Moreover, nuclear starburst luminosity is more strongly correlated with the AGN luminosity normalized with AGN Eddington luminosity than is circumnuclear starburst luminosity. This implies that starbursts nearer the AGN could have a greater effect on AGN mass accretion. We also discuss these results from the viewpoint of the radiation effects from starbursts and sequential starbursts.

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