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The Hubble diagram of metal-rich QSOs and deceleration parameter q(0)
Xie GZ(谢光中)1,2,3; Mei DC(梅东成)1,2,3; Cheng, KS4; Fan, JH5; Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Kunming 650011, Peoples R China.
发表期刊SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
2001-08
卷号44期号:8页码:1081-1088
DOI10.1007/BF02878984
产权排序第1完成单位
收录类别SCI ; EI
关键词Quasars Hubble Diagram Deceleration Parameter
摘要For 163 metal-rich Quasars, the m(v)-logZ diagram shows a very close correlation. Using multiple regression analysis for these sources ( N = 163), we obtained q(0) = 1.142 and correlation coefficient gamma = 0.69. These results suggested that the Universe is closed and all metal-rich quasars are of a single category. On the other hand, the evolution is very small at Z less than or equal to 2 for metal-rich quasars.
语种英语
学科领域Mathematics
文章类型Article
ISSN1006-9283
URL查看原文
归档日期2001-08-27
WOS记录号WOS:000174374300015
WOS研究方向Mathematics
WOS类目Mathematics, Applied ; Mathematics
关键词[WOS]ULTRAVIOLET EMISSION PROPERTIES ; ACTIVE GALACTIC NUCLEI ; QUASI-STELLAR OBJECTS ; RADIO-LOUD QUASARS ; OPTICAL-SPECTRA ; LINE REGIONS ; ABSORPTION-LINES ; COMPLETE SAMPLE ; BROAD ; REDSHIFT
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6935
专题星系研究组
通讯作者Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Astronomical Observatory, Chinese Academy of Sciences, 650011, Kunming, China
2.The National Astronomical Observatories, Chinese Academy of Sciences, 100080, Beijing, China
3.Yunnan Astrophysics Center, Yunnan University, 650091, Kunming, China
4.Department of Physics, University of Hong Kong, Hong Kong, China
5.Astrophysical Center, Guangzhou Normal University, 510400, Guanzhou, China
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Xie GZ,Mei DC,Cheng, KS,et al. The Hubble diagram of metal-rich QSOs and deceleration parameter q(0)[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,2001,44(8):1081-1088.
APA Xie GZ,Mei DC,Cheng, KS,Fan, JH,&Xie, GZ .(2001).The Hubble diagram of metal-rich QSOs and deceleration parameter q(0).SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,44(8),1081-1088.
MLA Xie GZ,et al."The Hubble diagram of metal-rich QSOs and deceleration parameter q(0)".SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 44.8(2001):1081-1088.
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