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Distribution of the extensive Doppler redshift of quasars
Tan 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; Qin, YP (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, POB 110, Kunming 650011, Yunnan, Peoples R China.
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
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Astronomy & Astrophysics
文章类型Article
ISSN0035-8711
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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
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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 (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, POB 110, Kunming 650011, Yunnan, Peoples R China.
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
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GB/T 7714
Tan 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 Tan YP,Liu HT,Liang EW,Dong YM,Su CY,&Qin, YP .(2004).Distribution of the extensive Doppler redshift of quasars.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,351(4),1319-1326.
MLA Tan 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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