Constraints to cosmological parameters through clusters evolution

Details Constraints to cosmological parameters through clusters evolution Constraints to cosmological parameters through clusters evolution

2004-04-20

arxiv.org/abs/astro-ph/0404382v1

Astronomy and Astrophysics

Astrophysics

3 pages; 3 encapsulated figures. Proceedings of Iau Coll. 195

Scientific paper

10.1017/S1743921304000705

In this paper, I revisit the constraints obtained by several authors (Reichart et al. 1999; Eke et al. 1998; Henry 2000) on the estimated values of Omegam, n and sigma_8 in the light of recent theoretical developments: 1) new theoretical mass functions (Sheth & Tormen 1999, Sheth, Mo & Tormen 2001, Del Popolo 2002b); 2) a more accurate mass-temperature relation, also determined for arbitrary Omega_m and Omega_Lambda (Del Popolo 2002a).

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