313 citations
- A. Cavalleri2 profiles6 · h 33
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- Centre National de la Recherche ScientifiqueFR8 papers
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Showing astro-ph.GAShow all
3 papers · 1 filter
astro-ph.GA2017★ 28 cited
SDSS J1056+5516: A Triple AGN or an SMBH Recoil Candidate?
Eleni Kalfountzou, M. Santos Lleo, M. Trichas
We report the discovery of a kiloparsec-scale triple supermassive black hole system at : SDSS J1056+5516, discovered by our systematic search for binary quasars. The syste…
astro-ph.GA2017★ 25 cited
Observational evidence that positive and negative AGN feedback depends on galaxy mass and jet power
E. Kalfountzou, J. A. Stevens, M. J. Jarvis +6
Several studies support the existence of a link between the AGN and star formation activity. Radio jets have been argued to be an ideal mechanism for direct interaction between the…
astro-ph.GA2014★ 37 cited
The Largest X-ray Selected Sample of z>3 AGNs: C-COSMOS & ChaMP
E. Kalfountzou, F. Civano, M. Elvis +2
We present results from an analysis of the largest high-redshift (z > 3) X-ray-selected active galactic nucleus (AGN) sample to date, combining the Chandra C-COSMOS and ChaMP surve…