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The quest for Type 2 quasars: Chandra observations of luminous obscured quasars in the Sloan Digital Sky Survey
Authors:Cristian Vignali  Dave M. Alexander   Andrea Comastri
Affiliation:Dipartimento di Astronomia, Universitàdegli Studi di Bologna, Via Ranzani 1, 40127 Bologna, Italy;INAF –Osservatorio Astronomico di Bologna, Via Ranzani 1, 40127 Bologna, Italy;Department of Physics, Durham University, South Road, Durham DH1 3LE
Abstract:
Keywords:galaxies: active    galaxies: nuclei    quasars: general
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