activity
19982014
most citedThe Luminosity Function of X-ray Selected Active Galactic Nuclei: Evolution of Supermassive Black Holes at High Redshift

290 citations · 612 across the 8 of their papers we have counts for

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6 papers · 1 filter

astro-ph2007★ 290 cited

The Luminosity Function of X-ray Selected Active Galactic Nuclei: Evolution of Supermassive Black Holes at High Redshift

J. D. Silverman, P. J. Green, W. A. Barkhouse +9

We present a measure of the hard (2-8 keV) X-ray luminosity function (XLF) of Active Galactic Nuclei up to z~5. At high redshifts, the wide area coverage of the Chandra Multiwaveng…

astro-ph2006★ 58 cited

ChaMP Serendipitous Galaxy Cluster Survey

W. A. Barkhouse, P. J. Green, A. Vikhlinin +12

We present a survey of serendipitous extended X-ray sources and optical cluster candidates from the Chandra Multi-wavelength Project (ChaMP). Our main goal is to make an unbiased c…

astro-ph2005★ 29 cited

Chandra Multiwavelength Project: Normal Galaxies at Intermediate Redshift

D. -W. Kim, W. A. Barkhouse, E. R. Colmenero +11

(abridged) We have investigated 136 Chandra extragalactic sources without broad optical emission lines, including 93 galaxies with narrow emission lines (NELG) and 43 with only abs…

astro-ph2004★ 97 cited

Hard X-ray emitting Active Galactic Nuclei selected by the Chandra Multi-wavelength Project

J. Silverman, P. Green, W. Barkhouse +13

We present X-ray and optical analysis of 188 AGN identified from 497 hard X-ray (f (2.0-8.0 keV) > 2.7x10^-15 erg cm^-2 s^-1) sources in 20 Chandra fields (1.5 deg^2) forming part…

astro-ph2003★ 89 cited

The Chandra Multiwavelength Project: Optical Followup of Serendipitous Chandra Sources

Paul J. Green, J. D. Silverman, R. A. Cameron +12

We present followup optical g', r', and i', imaging and spectroscopy of serendipitous X-ray sources detected in 6 archival Chandra, images included in the Chandra, Multiwavelength…

astro-ph1998★ 12 cited

A Multiwavelength Study of the Extreme AGN J2310-437

D. M. Worrall, M. Birkinshaw, R. A. Remillard +3

We present new X-ray, radio, and optical data for the unusual galaxy/cluster system J2310-437. Our results confirm the presence of an active nucleus, and suggest an interpretation…