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Browsing University of Hertfordshire by Author "Kalfountzou, Eleni"
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Evidence that the AGN dominates the radio emission in z ~ 1 radio-quiet quasars
White, Sarah V.; Jarvis, Matt J.; Kalfountzou, Eleni; Hardcastle, Martin; Verma, Aprajita; Orjales, José M. Cao; Stevens, Jason (2017-02-02)In order to understand the role of radio-quiet quasars (RQQs) in galaxy evolution, we must determine the relative levels of accretion and star-formation activity within these objects. Previous work at low radio flux-densities ... -
The Evolution of AGN and Their Host Galaxies
Kalfountzou, Eleni (2016-04-06)Active galaxies have been in the forefront of astronomic research since their first discovery, at least 50 years ago (e.g. Schmidt, 1963; Matthews & Sandage, 1963). The putative supermassive black hole (SMBH) at their ...