Figure 13 from Efficient Photometric Selection of Quasars from the Sloan Digital Sky Survey. II. ∼1,000,000 Quasars from Data Release 6

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Efficient Photometric Selection of Quasars from the Sloan Digital Sky Survey. II. ∼1,000,000 Quasars from Data Release 6

Authors: Gordon T. Richards, Adam D. Myers, Alexander G. Gray, Ryan N. Riegel, Robert C. Nichol, Robert J. Brunner, Alexander S. Szalay, Donald P. Schneider, and Scott F. Anderson

RICHARDS et al. 2009 The Astrophysical Journal Supplement Series 180 67.

Provider: AAS Journals

Caption: Figure 13.

Left: spectroscopic vs. photometric redshifts for all spectroscopically-confirmed quasars in the catalog. Right: histogram of the difference between spectroscopic and photometric redshifts. After rejecting outliers, the width of the distribution is σ = 0.239.

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