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Twin jets as a potential distance detector
Tan YP(覃一平)1,2,3,4; Xie GZ(谢光中)1,2,3; Qin, YP (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2001
卷号53期号:3页码:439-443
DOI10.1093/pasj/53.3.439
产权排序第1完成单位
收录类别SCI
关键词Distance Scale Galaxies : Active Galaxies : Jets Galaxies : Nuclei
摘要A preview study of using observational data of the proper motions and Doppler-shifted velocities of twin jets to determine the distance of sources inside and outside our Galaxy is made. We investigate the feasibility of this method by studying the uncertainty of the distance caused by the uncertainties of the measured quantities. It shows that, when the motion of components of the jet is relativistic, the uncertainty of the distance is within the same order of the uncertainties of the measured values of the proper motions and Doppler-shifted velocities. In particular, when assuming that the pattern speed equals the flow speed in the jet, for 10% uncertainties of the measured quantities, the uncertainty of the distance caused by them would be well within 13%. With the current technique, this method is realizable. For the convenience of choosing the sources to observe, some sources as potential targets are also listed in this paper.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6264
URL查看原文
归档日期2001-11-05
WOS记录号WOS:000169594000008
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]RELATIVISTIC JETS ; HUBBLE CONSTANT ; RADIO GALAXY ; NGC-1275 ; DISCOVERY
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6944
专题星系研究组
通讯作者Qin, YP (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, P. R. China
2.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, P. R. China
3.Yunnan Astrophysics Center, Kunming, P. R. China
4.Chinese Academy of Science–Peking University joint Beijing
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Tan YP,Xie GZ,Qin, YP . Twin jets as a potential distance detector[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2001,53(3):439-443.
APA Tan YP,Xie GZ,&Qin, YP .(2001).Twin jets as a potential distance detector.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,53(3),439-443.
MLA Tan YP,et al."Twin jets as a potential distance detector".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 53.3(2001):439-443.
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