Clustering of the SDSS DR7 main galaxy sample. I.
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We create a sample of spectroscopically identified galaxies with z<0.2 from the Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7, Cat. II/294), covering 6813 deg^2^....
我们从斯隆数字巡天(Sloan Digital Sky Survey, SDSS)第七次数据发布(Data Release 7, DR7,目录编号Cat. II/294)中构建了红移z<0.2的经光谱证认星系样本,该样本覆盖6813平方度的天区……



