The Morphologies of Double-peaked Active Galactic Nuclei

Details The Morphologies of Double-peaked Active Galactic Nuclei The Morphologies of Double-peaked Active Galactic Nuclei

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924610d&link_type=abstract

American Astronomical Society, AAS Meeting #219, #246.10

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Scientific paper

We report the morphologies of double-peaked active galactic nuclei (DPAGN) in the Sloan Digital Sky Survey. DPAGN are active galaxies that have double-peaked [O III] emission lines that indicate they are good candidates for dual AGN. Dual AGN are produced when two galaxies merge, and each galaxy has a central supermassive black hole (SMBH) powering an AGN. The morphological results suggest that DPAGN occur preferentially in elliptical galaxies, which is consistent with expectations that dual AGN are produced in merger-remnant galaxies with elliptical morphologies. Overall, understanding the structure of a galaxies hosting DPAGN can be used to probe formation scenarios of dual AGN and dynamics of SMBHs in mergers.

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