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J.A. Smith (Univ. Wyoming), D.L. Tucker (FNAL), B. Chen, E. Neilsen, A. Uomoto (JHU), J.W. Briggs (Univ. Chicago/Yerkes Obs.), J. Brinkmann (NMSU/APO), M. Fukugita (Univ. Tokyo/IAS), J.E. Gunn (Princeton), T. Ichikawa (Univ. Tokyo), A.M. Jorgensen, B.E. Laubscher (LANL), H. Rave (RPI), M.W. Richmond (RIT), SDSS Collaboration
We present the newly established standard star network for the u'g'r'i'z' filter system which is being used by Sloan Digital Sky Survey (SDSS). The 164 calibrated stars were chosen to be roughly distributed around the northern sky with a few south of the equator. The stars were selected to give a color range (red and blue) at each location to assist in atmospheric color term derivation and monitoring. All of these initial stars are bluer than ~dM3 as required by the science requirements of the SDSS.
Plans for finalizing a larger set of secondary stars observed in each field, redder northern standards and southern hemisphere stars will also be presented.
The SDSS is a joint project of The University of Chicago, Fermilab, the Institute for Advanced Study, the Japan Participation Group, The Johns Hopkins University, the Max-Plank-Institut für Astronomie, Princeton University, the United States Naval Observatory, and the University of Washington. Apache Point Observatory, site of teh SDSS, is operated by the Astrophysical Research Consortium. Funding for the project has been provided by the Alfred P. Sloan Foundation, the SDSS member institutions, the National Aeronautics and Space Administration, the National Science Foundation, the U.S. Department of Energy, and Monbusho, Japan.
The author(s) of this abstract have provided an email address for comments about the abstract: jasmith@uwyo.edu