The detection of extreme Low-Luminosity AGNs

Details The detection of extreme Low-Luminosity AGNs The detection of extreme Low-Luminosity AGNs

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxac..40...80n&link_type=abstract

XIII Latin American Regional IAU Meeting (Eds. W. J. Henney & S. Torres-Peimbert) Revista Mexicana de Astronomía y Astrofísica (

Astronomy and Astrophysics

Astronomy

Galaxies: Active, Galaxies: Evolution

Scientific paper

We explore the diagnostic diagram that uses the ratio of emission lines ([NII]λ 6584Å/Hα) versus equivalent width of [NII]λ 6584Å, proposed by Coziol et al. (1998) to a sample obtained from Sloan Digital Sky Survey Data Release 5 to separate star-forming and active galaxies from low-luminosity AGNs. This diagnostic diagram does not need the classical emission lines like [OIII]λ5007Å, or Hβ to classify activity type. We show empirically that this combination of emission lines can be used to search the called Low-Luminosity AGN.

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