Clustering Effect on the Number Count of Faint Galaxies

Details Clustering Effect on the Number Count of Faint Galaxies Clustering Effect on the Number Count of Faint Galaxies

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pthph..88..283y&link_type=abstract

Progress of Theoretical Physics, Vol. 88, No. 2, pp. 283-289.

Physics

1

Scientific paper

We have tested the cosmological model of Ω0 = 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 643 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.

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