Testing the consistency between cosmological measurements of distance and age

被引：10

作者：

Nair, Remya ^{[1
]}

Jhingan, Sanjay ^{[1
]}

Jain, Deepak ^{[2
]}

机构：

[1] Jamia Millia Islamia, Ctr Theoret Phys, New Delhi 110025, India

[2] Univ Delhi, Deen Dayal Upadhyaya Coll, New Delhi 110015, India

来源：

PHYSICS LETTERS B | 2015年 / 745卷

关键词：

BARYON ACOUSTIC-OSCILLATIONS; DARK-ENERGY; DUALITY RELATION; GALAXY CLUSTERS; CONSTRAINTS; DEFINITION;

D O I：

10.1016/j.physletb.2015.04.030

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a model independent method to test the consistency between cosmological measurements of distance and age, assuming the distance duality relation. We use type Ia supernovae, baryon acoustic oscillations, and observational Hubble data, to reconstruct the luminosity distance D-L(z), the angle-averaged distance D-V(z) and the Hubble rate H(z), using Gaussian processes regression technique. We obtain estimate of the distance duality relation in the redshift range 0.1 < z < 0.73 and we find no evidence for inconsistency between the data sets used. (C) 2015 The Authors. Published by Elsevier B.V.

引用

页码：64 / 68

页数：5

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