Astronomy and Astrophysics – Astrophysics
Scientific paper
2001-07-16
Astronomy and Astrophysics
Astrophysics
6 pages, 2 eps figures, uses newpasp.sty. To appear in "The Central kpc of Starbursts and AGN: the La Palma connection", Eds.
Scientific paper
We present a simple population synthesis scheme which recognizes composite starburst+Seyfert 2 nuclei from a few easy-to-obtain optical measurements. Composite systems seem to evolve towards less luminous Seyfert 2's which do not harbor detectable circum-nuclear starbursts. We encourage applications of this cheap diagnostic tool to large samples of Seyfert 2's, as well as its extension to other activity classes, in order to test and refine this evolutionary scenario.
Cid Fernandes Roberto
Gonzalez Delgado Rosa Maria
Heckman Tim
Schmitt Henrique
Storchi-Bergmann Thaisa
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