Low accretion rates at the AGN cosmic downsizing epoch

Context: X-ray surveys of Active Galactic Nuclei (AGN) indicate `cosmic downsizing', with the comoving number density of high-luminosity objects peaking at higher redshifts (z about 2) than low-luminosity AGN (z

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Bibliographische Detailangaben
Veröffentlicht in:	arXiv.org 2007-09
Hauptverfasser:	Babic, A, Miller, L, Jarvis, M J, Turner, T J, Alexander, D M, Croom, S M
Format:	Artikel
Sprache:	eng
Schlagworte:	Active galactic nuclei Deposition Downsizing Galaxies Infrared photometry Luminosity Photometry Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics Red shift Space telescopes Supermassive black holes
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Beschreibung
Zusammenfassung:	Context: X-ray surveys of Active Galactic Nuclei (AGN) indicate `cosmic downsizing', with the comoving number density of high-luminosity objects peaking at higher redshifts (z about 2) than low-luminosity AGN (z
ISSN:	2331-8422
DOI:	10.48550/arxiv.0709.0786