Keywords
galaxies: active
galaxies: formation
Astrophysics - Cosmology and Extragalactic Astrophysics
galaxies: formation
Astrophysics - Cosmology and Extragalactic Astrophysics
How to Cite
The nature and origin of Narrow Line AGN activity in a sample of isolated SDSS galaxies. (2011). Revista Mexicana De Astronomía Y Astrofísica, 47(2), 361-383. https://astronomia.unam.mx/journals/rmxaa/article/view/2011rmxaa..47..361c
Abstract
We discuss the nature and origin of the nuclear activity observed in a sample of 292 SDSS narrow-emission-line galaxies, considered to have formed and evolved in isolation. The fraction of Narrow Line AGNs (NLAGNs) and Transition type Objects (TOs; a NLAGN with circumnuclear star formation) amounts to 64% of the galaxies. We verify that the probability for a galaxy to show an AGN characteristic increases with the bulge mass of the galaxy (Torres-Papaqui et al. 2011), and find evidence that this trend is really a by-product of the morphology, suggesting that the AGN phenomenon is intimately connected with the formation process of the galaxies. The NLAGNs in our sample are consistent with a scaled-down or powered-down versions of quasars and Broad Line AGNs.Similar Articles
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