Cosmological constraints from the redshift distribution of galaxy clusters

被引：0
|
作者：
Sebastien C. Vauclair
机构：
[1] LAOMP,
来源：
Astrophysics and Space Science | 2004年 / 290卷
关键词：
galaxy clusters; structure formation; cosmology; power spectrum; density perturbation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
As they are the largest virialized structures formed in the universe, galaxy clusters are good probes of evolution of dark matter haloes since their formation from the fluctuation of the CMB. While the local cluster abundance allows us to constrain the shape and amplitude of the mass distribution regarding to the matter density, their redshift distribution is much more sensitive to the matter density of the universe and allows us to break the degeneracy. Here I compare the modelized distribution of clusters with existing catalogs such as EMSS to derive constraints on ΩM, σ8 and γ.
引用
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页码：205 / 213
页数：8
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