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19 April 2024 |
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Quasar Luminosity Functions from Joint Evolution of Black Holes and Host Galaxies | | A. Lapi
; F. Shankar
; J. Mao
; G.L. Granato
; L. Silva
; G. De Zotti
; L. Danese
; | | Date: |
30 Mar 2006 | | Abstract: | We show that our anti-hierarchical baryon collapse scenario (Granato et al. 2004) for the joint evolution of black holes and host galaxies predicts quasar luminosity functions at redshifts 1.5 < z < 6 and local demographic properties in nice agreement with observations. In our model the quasar activity marks and originates the transition between an earlier phase of violent and heavily dust-enshrouded starburst activity promoting rapid black hole growth, and a later phase of almost passive evolution; the former is traced by the submillimeter-selected sources, while the latter accounts for the high number density of massive galaxies at substantial redshifts z > 1.5, the population of Extremely Red Objects, and the properties of local ellipticals. | | Source: | arXiv, astro-ph/0603819 | | Services: | Forum | Review | PDF | Favorites | |
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