Abstract
ABSTRACT The Sloan Digital Sky Survey (SDSS) will
provide the data to support detailed investigations of
the distribution of luminous and nonluminous matter in
the universe : a photometrically and astrometrically
calibrated digital imaging survey of n sr above about
Galactic latitude 30¡ in Ðve broad optical bands to a
depth of g@ D 23 mag, and a spectroscopic survey of the
approximately 106 brightest galaxies and 105 brightest
quasars found in the photometric object catalog
produced by the imaging survey. This paper summarizes
the observational parameters and data products of the
SDSS and serves as an introduction to extensive
technical on-line documentation.
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