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- Title
Unveiling multiple AGN activity in galaxy mergers.
- Authors
De Rosa, A.; Bianchi, S.; Bogdanović, T.; Decarli, R.; Heidt, J.; Herrero‐Illana, R.; Husemann, B.; Komossa, S.; Kun, E.; Loiseau, N.; Guainazzi, M.; Paragi, Z.; Perez‐Torres, M.; Piconcelli, E.; Schawinski, K.; Vignali, C.
- 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. Herewe 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.
- Subjects
ACTIVE galactic nuclei; SEYFERT galaxies; SUPERMASSIVE black holes; SLOAN Digital Sky Survey; STELLAR evolution
- Publication
Astronomische Nachrichten, 2017, Vol 338, Issue 2/3, p262
- ISSN
0004-6337
- Publication type
Article
- DOI
10.1002/asna.201713340