Quasar clustering redshift distortion constraints, on dark energy

被引：0

作者：

Calvao, MO ^{[1
]}

Neto, JRTDM ^{[1
]}

Waga, I ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Inst Fis, BR-21945970 Rio De Janeiro, RJ, Brazil

来源：

NEW ERA IN COSMOLOGY | 2002年 / 283卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Redshift distortions, both geometrical and kinematical, of quasar clustering are simulated, for the Two-Degree Field QSO Redshift Survey (2QZ), showing that they are very effective to constrain the cosmological density and equation of state parameters, Omega(m0), Omega(x0) and w. Particularly, it emerges that, for the cosmological constant case, the test is especially sensitive to the difference Omega(m0) - Omega(Lambda0), whereas, for the spatially flat case, it is quite competitive with future supernova and galaxy count tests, besides being complimentary to them.

引用

页码：127 / 128

页数：2

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