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We present a catalog of galaxy clusters selected using the maxBCG redsequence method from Sloan Digital Sky Survey photometric data. This catalog includes 13, 823 clusters with velocity dispersions greater than 400 km/s, and is the largest galaxy cluster catalog assembled to date. They are selected in an approximately volume-limited way from a 0. 5 Gpc³ region covering 7500 square degrees of sky between redshifts 0. 1 and 0. 3. (ABRIGDED)
Koester et al. (Fri,) studied this question.