Predictions of Quasar Clustering: Redshift, Luminosity and Selection Dependence

Details Predictions of Quasar Clustering: Redshift, Luminosity and Selection Dependence Predictions of Quasar Clustering: Redshift, Luminosity and Selection Dependence

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1201...64t&link_type=abstract

THE MONSTER'S FIERY BREATH: FEEDBACK IN GALAXIES, GROUPS, AND CLUSTERS. AIP Conference Proceedings, Volume 1201, pp. 64-67 (200

Physics

Quasars, Galactic Nuclei, Redshift, X-Ray Spectroscopy, Quasars, Galactic Nuclei, Circumnuclear Matter, And Bulges, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, X-Ray

Scientific paper

We show that current clustering observations of quasars and luminous AGN can be explained by a merger model augmented by feedback from outflows. Using numerical simulations large enough to study clustering out to 25 comoving h-1 Mpc, we calculate correlation functions, biases, and correlation lengths as a function of AGN redshift and optical and X-ray luminosity. At optical wavelengths, our results match a wide range of current observations and generate predictions for future data sets. However, at redshifts z>3, our results do not match the rapid evolution of the correlation length observed in the SDSS, a discrepancy that is at least partially due to differences in the scales probed by our simulation versus this survey. In the X-ray, our simulations produce correlation lengths similar to what is observed in the Chandra Deep Field (CDF) North, but not the significantly larger correlation length observed in the CDF South.

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