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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 7.

Color–color and color–magnitude distribution of all quasar candidates in the catalog (black). Cyan contours indicate the most likely quasars good ⩾ 0, while magenta contours represent the most likely interlopers good ⩽ −2.

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