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8 papers · 1 filter
The Optical and Near-Infrared Properties of 2837 Quasars in the UKIRT Infrared Deep Sky Survey (UKIDSS)
Kuenley Chiu, Gordon T. Richards, Paul C. Hewett +1
The UKIRT Infrared Deep Sky Survey (UKIDSS) is the first of a new generation of hemispheric imaging projects to extend the work of the Two Micron All Sky Survey (2MASS) by reaching…
The Large Scale Structure of LINERs and Seyferts and Implications for their Central Engines
Anca Constantin, Michael S. Vogeley
We discuss here the spatial clustering of Seyferts and LINERs and consequences for their central engines. We show that Seyferts are less clustered than LINERs, and that this differ…
Clustering Analyses of 300,000 Photometrically Classified Quasars--II. The Excess on Very Small Scales
Adam D. Myers, Robert J. Brunner, Gordon T. Richards +3
We study quasar clustering on small scales, modeling clustering amplitudes using halo-driven dark matter descriptions. From 91 pairs on scales <35 kpc/h, we detect only a slight ex…
Clustering Analyses of 300,000 Photometrically Classified Quasars--I. Luminosity and Redshift Evolution in Quasar Bias
Adam D. Myers, Robert J. Brunner, Robert C. Nichol +3
Using ~300,000 photometrically classified quasars, by far the largest quasar sample ever used for such analyses, we study the redshift and luminosity evolution of quasar clustering…
The UV Properties of SDSS Selected Quasars
George B. Trammell, Daniel E. Vanden Berk, Donald P. Schneider +4
We present an analysis of the broadband UV/optical properties of z<3.4 quasars matched in the Galaxy Evolution Explorer (GALEX) General Data Release 1 (GR1) and the Sloan Digital S…
Topology of structure in the Sloan Digital Sky Survey: model testing
J. Richard Gott, D. Clay Hambrick, Michael S. Vogeley +6
We measure the three-dimensional topology of large-scale structure in the Sloan Digital Sky Survey (SDSS). This allows the genus statistic to be measured with unprecedented statist…