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The Sloan Digital Sky Survey Quasar Catalog. V. Seventh Data Release

  • Authors: Donald P. Schneider, Gordon T. Richards, Patrick B. Hall, Michael A. Strauss, Scott F. Anderson, Todd A. Boroson, Nicholas P. Ross, Yue Shen, W. N. Brandt, Xiaohui Fan, Naohisa Inada, Sebastian Jester, G. R. Knapp, Coleman M. Krawczyk, Anirudda R. Thakar, Daniel E. Vanden Berk, Wolfgang Voges, Brian Yanny, Donald G. York, Neta A. Bahcall, Dmitry Bizyaev, Michael R. Blanton, Howard Brewington, J. Brinkmann, Daniel Eisenstein, Joshua A. Frieman, Masataka Fukugita, Jim Gray, James E. Gunn, Pascale Hibon, Željko Ivezić, Stephen M. Kent, Richard G. Kron, Myung Gyoon Lee, Robert H. Lupton, Elena Malanushenko, Viktor Malanushenko, Dan Oravetz, K. Pan, Jeffrey R. Pier, Ted N. Price III, David H. Saxe, David J. Schlegel, Audry Simmons, Stephanie A. Snedden, Mark U. SubbaRao, Alexander S. Szalay, and David H. Weinberg

SCHNEIDER et al. 2010 The Astronomical Journal 139 2360.

  • Provider: AAS Journals

Caption: Figure 2.

Distribution of unresolved sources (black dots and contours) and quasars (color dots) in SDSS ugriz color–color space. The quasars are color-coded by redshift. For clarity, we only show 10% of the z < 2.2 quasars in the figure.

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