Natural Science
Volume 5, Issue 1 (January 2013)
ISSN Print: 2150-4091 ISSN Online: 2150-4105
Google-based Impact Factor: 0.74 Citations h5-index & Ranking
Nearest neighbor vector analysis of SDSS DR5 galaxy distribution ()
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ABSTRACT
We present the nearest neighbor distance (NND) analysis of SDSS DR5 galaxies. We give NND results for observed, mock and random sample, and discuss the differences. We find the observed sample gives us a significantly stronger aggregation characteristic than the random samples. Moreover, we investigate the direction of NND and find the direction has close relation with the size of the NND for the observed sample.
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