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arXiv:0711.4109 (astro-ph)
[Submitted on 26 Nov 2007 (v1), last revised 29 Apr 2008 (this version, v2)]

Title:Constraints on the correlation between QSO luminosity and host halo mass from high-redshift quasar clustering

Authors:Martin White, Paul Martini, J.D. Cohn
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Abstract: Recent measurements of high-redshift QSO clustering from the Sloan Digital Sky Survey indicate that QSOs at z~4 have a bias b~14. We find that this extremely high clustering amplitude, combined with the corresponding space density, constrains the dispersion in the L-Mhalo relation to be less than 50% at 99% confidence for the most conservative case of a 100% duty cycle. This upper limit to the intrinsic dispersion provides as strong a constraint as current upper limits to the intrinsic dispersion in the local M_BH-sigma relation and the ratio of bolometric to Eddington luminosity of luminous QSOs.
Comments: 6 pages, 4 figures. Minor revisions to address questions from referee. References updated
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:0711.4109 [astro-ph]
  (or arXiv:0711.4109v2 [astro-ph] for this version)
  https://doi.org/10.48550/arXiv.0711.4109
Related DOI: https://doi.org/10.1111/j.1365-2966.2008.13817.x

Submission history

From: Martin White [view email]
[v1] Mon, 26 Nov 2007 21:00:07 UTC (19 KB)
[v2] Tue, 29 Apr 2008 20:17:33 UTC (20 KB)
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