Figure 11 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 11.

Efficiency as a function of magnitude. The dashed line gives the efficiency for those quasar candidates that we consider most robust ( good ⩾ 0). While the efficiency is low at the bright end, so are the absolute numbers of objects (see Figure 2); thus, the overall contamination from bright objects is relatively small.

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