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Distribution of the extensive Doppler redshift of quasars
Qin YP(覃一平)1,2; Liu HT(刘洪涛)1,3; Liang EW(梁恩维)1,2; Dong YM(董云明)1,3; Su CY(苏成悦)1,3,4
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2004-07-11
卷号351期号:4页码:1319-1326
DOI10.1111/j.1365-2966.2004.07875.x
产权排序第1完成单位
收录类别SCI ; EI
关键词Galaxies : Distances And Redshifts Quasars : Absorption Lines Quasars : Emission Lines Cosmology : Observations
摘要

We make an analysis of the distribution of the extensive Doppler redshift defined as (z) over tilde (Dopp) = (z(abs) - z(em)) / (1 + z(em)) with a sample of 1317 absorption redshifts available from 401 quasars. The analysis reveals a bi-peak structure in the distribution, with one component located at (z) over tilde (Dopp) similar or equal to 0.00 and the other at (z) over tilde (Dopp) similar or equal to -0.01. A study of some possible causes suggests that the structure can be well interpreted: while the absorbers inside the same cluster as the quasar concerned could contribute to the first component and the less populated space between clusters could explain the gap between the two peaks, the typical distance between clusters could account for the second component. If the bi-peak structure is real, which needs to be confirmed by complete samples, one would be able to obtain some useful cosmological information.

语种英语
学科领域天文学 ; 星系与宇宙学
学科门类理学 ; 理学::天文学
文章类型Article
出版者Oxford University Press
ISSN0035-8711
URL查看原文
归档日期2004-09-28
WOS记录号WOS:000222423400018
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]STELLAR OBJECTS ; ABSORPTION ; CATALOG ; GALAXIES ; SPECTRA ; QSOS
EI入藏号20221411894004
EI主题词Galaxies
EI分类号657.2 Extraterrestrial Physics and Stellar Phenomena
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6973
专题星系研究组
通讯作者Qin YP(覃一平)
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, PO Box 110, Kunming, Yunnan, 650011, China
2.Physics Department, Guangxi University, Nanning, Guangxi, 530004, China
3.The Graduate School of the Chinese Academy of Sciences
4.Department of Physics, Guangdong Industrial University, Guangzhou, Guangdong, 510643, China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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GB/T 7714
Qin YP,Liu HT,Liang EW,et al. Distribution of the extensive Doppler redshift of quasars[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2004,351(4):1319-1326.
APA Qin YP,Liu HT,Liang EW,Dong YM,&Su CY.(2004).Distribution of the extensive Doppler redshift of quasars.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,351(4),1319-1326.
MLA Qin YP,et al."Distribution of the extensive Doppler redshift of quasars".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 351.4(2004):1319-1326.
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