Figure 15 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 15.

Actual fraction of quasars with correct redshift as a function of the quoted probability that the redshift (actually the redshift range) is correct (solid line: Δ z ± 0.3). The inset shows the distribution as a function of redshift. Over 0.5 < z < 2.5, the photo- z probabilities are quite accurate (if not underestimates).

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