A computationally efficient approach for calculating galaxytwo-point correlations

R. Demina,Sanha Cheong,Segev BenZvi, O. Hindrichs

Monthly Notices of the Royal Astronomical Society（2018）

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摘要

We developed a modification to the calculation of the two-point correlation function commonly used in the analysis of large-scale structure in cosmology. An estimator of the two-point correlation function is constructed by contrasting the observed distribution of galaxies with that of a uniformly populated random catalogue. The assumption that the distribution of random galaxies in redshift is ind...

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关键词

methods: data analysis,surveys,galaxies: statistics,dark energy,distance scale,large-scale structure of Universe

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