The Environments of Bona-fide Low Luminosity AGN in the Local Universe

Details The Environments of Bona-fide Low Luminosity AGN in the Local Universe The Environments of Bona-fide Low Luminosity AGN in the Local Universe

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21538302p&link_type=abstract

American Astronomical Society, AAS Meeting #215, #383.02; Bulletin of the American Astronomical Society, Vol. 42, p.597

Astronomy and Astrophysics

Astronomy

Scientific paper

Large scale structure influences the growth rates of supermassive black holes. Feedback from these growing central black holes impacts the evolution of their host galaxies. Thus, the spatial clustering of Active Galactic Nuclei (AGN) should impact both the AGN accretion rate, and the host's subsequent evolution. But the real question is not "how do AGN cluster?” but rather, "what distinguishes galaxies with current AGN activity?” and what does that tell us about the nature of AGN feeding and feedback? We use the final SDSS DR7 sample to investigate the small to medium scale environments (0.2 - 10 h-1 Mpc) of low luminosity AGN hosts. This scale includes galaxies that are not interacting but that occupy the same dark matter halo, as well as galaxies in separate dark matter halos that are merging. We measure the 2-point cross-correlation function of AGN and galaxies in a volume-limited sample, and examine trends in AGN accretion rate, black hole mass and host galaxy properties. To reduce contamination from non-accreting sources, we pay particular attention to defining a robust, reliably classified sample of bona-fide AGN.
This research has been supported by the NSF through grant AST 05-07647.

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