Fig. 1 from Characterization of M, L, and T Dwarfs in the Sloan Digital Sky Survey

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Characterization of M, L, and T Dwarfs in the Sloan Digital Sky Survey

Authors: Suzanne L. Hawley, Kevin R. Covey, Gillian R. Knapp, David A. Golimowski, Xiaohui Fan, Scott F. Anderson, James E. Gunn, Hugh C. Harris, Željko Ivezić, Gary M. Long, Robert H. Lupton, Peregrine M. McGehee, Vijay Narayanan, Eric Peng, David Schlegel, Donald P. Schneider, Emily Y. Spahn, Michael A. Strauss, Paula Szkody, Zlatan Tsvetanov, Lucianne M. Walkowicz, J. Brinkmann, Michael Harvanek, Gregory S. Hennessy, S. J. Kleinman, Jurek Krzesinski, Dan Long, Eric H. Neilsen, Peter R. Newman, Atsuko Nitta, Stephanie A. Snedden, and Donald G. York

Hawley et al. 2002 The Astronomical Journal 123 3409.

Provider: AAS Journals

Caption: Fig. 1.

SDSS primary targeting assignments for objects that subsequently turned out to be M and L dwarfs in the SDSS EDR spectra. Most of the objects were originally targeted as quasars and galaxies or were targeted by the serendipity category, which targets objects with unusual colors. The label "Star: BD" refers to brown dwarfs. As described in the text, the large number of objects in the Star: BHB (blue horizontal branch) category is the result of a single plate made to check objects with stellar colors.

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