The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 39 Issue 2
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- Pages.57.2-57.2
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- 2014
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- 1226-2692(pISSN)
Red AGNs becoming normal AGNs
- Kim, Dohyeong (Seoul National University) ;
- Im, Myungshin (Seoul National University) ;
- Glikman, E. (Middlebury College) ;
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Woo, Jong-Hak
(Seoul National University) ;
- Urrutia, T. (Leibniz-Institut fur Astrophysik Potsdam)
- Published : 2014.10.13
Abstract
Red active galactic nuclei (AGNs) are supposed to be transitional objects becoming normal AGNs in the galaxy evolution scenario. So far, ~200 red AGNs have been found by very red color in optical through NIR wavelength (e.g., r'-K >5 and J-K>1.3; Urrutia et al. 2009). Here, we compare nuclear activities of the red AGNs to those of normal AGNs to verify the evolutionary phase of the red AGNs. In order to study the nuclear activities of the red AGNs, we use broad emission lines of
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