Baryon acoustic oscillation, Hubble parameter, and angular size measurement constraints on the Hubble constant, dark energy dynamics, and spatial curvature

被引：98

作者：

Ryan, Joseph ^{[1
]}

Chen, Yun ^{[2
]}

Ratra, Bharat ^{[1
]}

机构：

[1] Kansas State Univ, Dept Phys, 116 Cardwell Hall, Manhattan, KS 66502 USA

[2] Chinese Acad Sci, Key Lab Computat Astrophys, Natl Astron Observ, Beijing 100012, Peoples R China

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2019年 / 488卷 / 03期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

cosmological parameters; dark energy; cosmology: observations; IA SUPERNOVAE; REDSHIFT; INFLATION; 1ST; CONSEQUENCES; REIONIZATION; COSMOLOGY; MODELS; SAMPLE; H-0;

D O I：

10.1093/mnras/stz1966

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we use all available baryon acoustic oscillation, Hubble parameter, and quasar angular size data to constrain six dark energy cosmological models, both spatially flat and non flat, Depending on the model and data combination considered, these data mildly favour closed spatial hypersurfaces (by as much as 1.7 sigma) and dark energy dynamics (up to a little over 2 sigma) over a cosmological constant Lambda. The data also favour, at 1,8 sigma to 3,4 sigma, depending on the model and data combination, a lower Hubble constant than what is measured from the local expansion rate.

引用

页码：3844 / 3856

页数：13

共 44 条

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