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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.
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2001
Volume53Issue:3Pages:439-443
DOI10.1093/pasj/53.3.439
Contribution Rank第1完成单位
Indexed BySCI
KeywordDistance Scale Galaxies : Active Galaxies : Jets Galaxies : Nuclei
AbstractA 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.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-6264
URL查看原文
Archive Date2001-11-05
WOS IDWOS:000169594000008
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordRELATIVISTIC JETS ; HUBBLE CONSTANT ; RADIO GALAXY ; NGC-1275 ; DISCOVERY
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6944
Collection星系研究组
Corresponding AuthorQin, YP (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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