Cosmological constraints combining H(z), CMB shift and SNIa observational data

被引：48

作者：

Lazkoz, Ruth ^{[1
]}

Majerotto, Elisabetta

机构：

[1] Euskal Herriko Unibertsitatea, Fis Teor, E-48080 Bilbao, Spain

[2] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 2EG, Hants, England

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2007年 / 07期

关键词：

CMBR theory; dark energy theory; supernova type Ia; HUBBLE-SPACE-TELESCOPE; FIELD ELLIPTIC GALAXIES; PROBE WMAP OBSERVATIONS; EQUATION-OF-STATE; DARK ENERGY; IA SUPERNOVAE; INTERMEDIATE REDSHIFT; RED GALAXIES; UNIVERSE; MODEL;

D O I：

10.1088/1475-7516/2007/07/015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recently H(z) data obtained from differential ages of galaxies have been proposed as a new geometrical probe of dark energy. In this paper we use those data, combined with other background tests (CMB shift and SNIa data), to constrain a set of general relativistic dark energy models together with some other models motivated by extra dimensions. Our analysis rests mostly on Bayesian statistics, and we conclude that LCDM is at least substantially favoured, and that extradimensional models are less favoured than general relativistic ones.

引用

页数：24

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