2010/11/20 by D. M. Neri-Larios, J. P. Torres-Papaqui, Neri-Larios, D. M. +7
Physics and Astronomy · #Astrophysics of Galaxies (astro-ph.GA) #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #astro-ph.CO #astro-ph.GA
paper · pdf · doi:10.48550/arxiv.1011.4595
8 pages, 2 figures, to appear in XIII Latin American Regional IAU Meeting
arxiv created 2011/08/16 · arxiv updated 2011/08/18
We have used the diagnostic diagram that compares the ratio of emission lines [NII]λ6584/Hαwith the equivalent width of [NII]λ6584, as proposed by Coziol et al. (1998), to determine the source of ionization of SDSS NELGs that cannot be classified by standard diagnostic diagrams, because the emission line [OIII]λ5007, Hβ, or both, are missing. We find these galaxies to be consistent with low luminosity AGNs, suggesting that this characteristic is the signature of the LLAGNs in the nearby Universe.