Multiple AGN in the crowded field of the compact group SDSSJ0959+1259

Alessandra De Rosa,Stefano Bianchi,Tamara Bogdanovic,Roberto Decarli,R Herreroillana,Bernd Husemann,S Komossa,E Kun,N Loiseau,Z Paragi,M A Pereztorres,Enrico Piconcelli,Kevin Schawinski,C Vignali

Monthly Notices of the Royal Astronomical Society（2015）

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摘要

We present a multiwavelength study of a newly discovered compact group (CG), SDSS J0959+1259, based data from XMM–Newton, Sloan Digital Sky Survey (SDSS) and the Calar Alto optical imager BUSCA. With a maximum velocity offset of 500 km s−1, a mean redshift of 0.035, and a mean spatial extension of 480 kpc, this CG is exceptional in having the highest concentration of nuclear activity in the local ...

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关键词

galaxies: active,galaxies: interactions,galaxies: Seyfert,X-rays: galaxies

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