Clustering Effect on the Number Count of Faint Galaxies : Astrophysics and Relativity

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概要

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• We have tested the cosmological model of Ω_0=1 and Λ =0 against the faint galaxy number count taking the clustering effect of galaxies into account. The evolution of the large scale structure is simulated numerically by means of the particle mesh method in three dimensional space. We use 64^3 particles and the same number of mesh cells. We have found that the flat Friedmann-Robertson-Walker model without the cosmological constant does not explain the excess of the number count observed by Tyson even if the clustering effect is taken into account, provided the cluster size and the correlation length among clusters are less than the simulation box size of 128 h^<-1> Mpc. The clustering on scales larger than 128 h^<-1> Mpc is also considered.

• 理論物理学刊行会の論文
• 1992-08-25

著者

• Yamashita Kazuyuki

  The Center for Educational Research, University of Yamanashi

• Yamashita Kazuyuki

  Department Of Phisics Kyoto University

• YAMASHITA Kazuyuki

  Department of Phisics, Kyoto University

• YAMASHITA Kazuhiko

  Department of Electrical Engineering, Waseda University

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