AGN Physics from QSO Clustering

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dc.creatorCroom, Scott
dc.creatorBoyle, Brian
dc.creatorShanks, Tom
dc.creatorOutram, Phil
dc.creatorSmith, Robert
dc.creatorMiller, Lance
dc.creatorLoaring, Nicola
dc.creatorKenyon, Suzanne
dc.creatorCouch, Warrick
dc.date2003-10-20
dc.date.accessioned2026-07-07T02:10:37Z
dc.date.available2026-07-07T02:10:37Z
dc.descriptionWe review the current status of QSO clustering measurements, particular with respect to their relevance in understanding AGN physics. Measurements based on the 2dF QSO Redshift Survey (2QZ) find a scale length for QSO clustering of s_0=5.76(+0.17-0.27) h-1 Mpc at a redshift <z>~1.5, very similar to low redshift galaxies. There is no evidence of evolution in the clustering of QSOs from z~0.5 to z~2.2. This lack of evolution and low clustering amplitude suggests a short life time for AGN activity of the order ~10^6-10^7 years. Large surveys such at the 2QZ and SDSS also allow the the study of QSO environments in 3D for the first time (at least at low redshift), early results from this work seem to show no difference between the environments of QSOs and normal galaxies. Future studies e.g. measuring clustering as a function of black hole mass, and deep QSO surveys should provide further insight into the formation and evolution of AGN.
dc.description6 pages, 5 figures. Invited contribution to "AGN Physics with the Sloan Digital Sky Survey" conference held at Princeton, July 2003. Eds. G. T. Richards and P. B. Hall
dc.identifierhttps://arxiv.org/abs/astro-ph/0310533
dc.identifierhttp://arxiv.org/abs/astro-ph/0310533
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/6795
dc.subjectAstrophysics
dc.titleAGN Physics from QSO Clustering
dc.typetext

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