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Unveiling multiple AGN activity in galaxy mergers

Journal
Date Issued
2017
Author(s)
•
Bianchi, S.
•
Bogdanovic, T.
•
•
Heidt, J.
•
herrero-illana, r.
•
Husemann, B.
•
Komossa, S.
•
Kun, E.
•
Loiseau, N.
•
Guainazzi, M.
•
Paragi, Z.
•
Perez-Torres, M.
•
•
Schawinski, K.
•
Vignali, C.
DOI
Abstract
In this paper we present an overview of the MAGNA (Multiple AGN Activity) project aiming at a comprehensive study of multiple super-massive black hole systems. With the main goal of characterizing the sources in merging systems at different stages of evolution, we selected a sample of objects optically classified as multiple systems on the basis of emission line diagnostics and started a massive multiband observational campaign. Here we report on the discovery of the exceptionally high active galactic nuclei (AGN) density compact group SDSS (Sloan Digital Sky Survey) J0959+1259. A multiband study suggests that strong interactions are taking place among its galaxies through tidal forces, and therefore this system represents a case study for physical mechanisms that trigger nuclear activity and star formation. We also present a preliminary analysis of the multiple AGN system SDSS J1038+3921.
Uri
Url
Issn Identifier
0004-6337
Ads BibCode
2017AN....338..262D
Rights
open.access
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