Statistical Test of Distance-Duality Relation with Type Ia Supernovae and Baryon Acoustic Oscillations
文献类型：期刊论文
| 作者 | Ma, Cong2,3; Corasaniti, Pier-Stefano1 |
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2018-07-10 |
| 卷号 | 861期号:2页码:9 |
| 关键词 | cosmology: theory distance scale intergalactic medium methods: data analysis methods: statistical |
| ISSN号 | 0004-637X |
| DOI | 10.3847/1538-4357/aac88f |
| 通讯作者 | Ma, Cong(cma@pmo.ac.cn) |
| 英文摘要 | We test the distance-duality relation eta equivalent to d(L) [(1 + z)(2)d(A)] = 1 between cosmological luminosity distance (d(L)) from the JLA SNe Ia compilation and angular-diameter distance (d(A)) based on Baryon Oscillation Spectroscopic Survey (BOSS) and WiggleZ baryon acoustic oscillation measurements. The d(L) measurements are matched to d(A) redshift by a statistically consistent compression procedure. With Monte Carlo methods, nontrivial and correlated distributions of. can be explored in a straightforward manner without resorting to a particular evolution template eta(z). Assuming independent constraints on cosmological parameters that are necessary to obtain d(L) and d(A) values, we find 9% constraints consistent with eta = 1 from the analysis of SNIa + BOSS and an 18% bound results from SNIa + WiggleZ. These results are contrary to previous claims that eta < 1 has been found close to or above the 1 sigma level. We discuss the effect of different cosmological parameter inputs and the use of the apparent deviation from distance-duality as a proxy of systematic effects on cosmic distance measurements. The results suggest possible systematic overestimation of SNIa luminosity distances compared with d(A) data when a Planck Lambda CDM cosmological parameter inference is used to enhance the precision. If interpreted as an extinction correction due to a gray dust component, the effect is broadly consistent with independent observational constraints. |
| WOS关键词 | MICROWAVE BACKGROUND ANISOTROPIES ; X-RAY MEASUREMENTS ; GALAXY CLUSTERS ; DARK ENERGY ; GENERAL-RELATIVITY ; COSMOLOGICAL MODEL ; DUST ; REPUBLICATION ; CONSTRAINTS ; DEFINITION |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000438684300004 |
| 出版者 | IOP PUBLISHING LTD |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/32597]  |
| 专题 | 中国科学院紫金山天文台 |
| 通讯作者 | Ma, Cong |
| 作者单位 | 1.Univ Paris Diderot, LUTH, UMR CNRS 8102, Observ Paris,PSL Res Univ, 5 Pl Jules Janssen, F-92190 Meudon, France 2.Univ Chinese Acad Sci, Grad Sch, 19A Yuquan Rd, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Purple Mt Observ, 8 Yuanhua Rd, Nanjing 210034, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ma, Cong,Corasaniti, Pier-Stefano. Statistical Test of Distance-Duality Relation with Type Ia Supernovae and Baryon Acoustic Oscillations[J]. ASTROPHYSICAL JOURNAL,2018,861(2):9. |
| APA | Ma, Cong,&Corasaniti, Pier-Stefano.(2018).Statistical Test of Distance-Duality Relation with Type Ia Supernovae and Baryon Acoustic Oscillations.ASTROPHYSICAL JOURNAL,861(2),9. |
| MLA | Ma, Cong,et al."Statistical Test of Distance-Duality Relation with Type Ia Supernovae and Baryon Acoustic Oscillations".ASTROPHYSICAL JOURNAL 861.2(2018):9. |
入库方式： OAI收割
来源：紫金山天文台
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