The Second Data Release of the Sloan Digital Sky Survey

Publication information:

Abazajian K, Adelman-McCarthy J, Agüeros M, Allam S, Anderson K, Anderson S, Annis J, Bahcall N, Baldry I, Bastian S, et al. The Second Data Release of the Sloan Digital Sky Survey. The Astronomical Journal. 2004;128:502–512.

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Abstract

The Sloan Digital Sky Survey (SDSS) has validated and made publiclyavailable its Second Data Release. This data release consists of 3324deg² of five-band (ugriz) imaging data with photometry forover 88 million unique objects, 367,360 spectra of galaxies, quasars,stars, and calibrating blank sky patches selected over 2627deg² of this area, and tables of measured parameters from