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Formulas for direct determination of real speed in galactic superluminal sources
Tan YP(覃一平)1,2,3,4; Qin, YP
发表期刊ASTROPHYSICAL LETTERS & COMMUNICATIONS
2000
卷号40期号:1-2页码:103-108
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收录类别SCI
关键词Galaxies Jets-radio Continuum Stars
摘要In this paper we show explicit and direct relations between the expected quantities and the observed quantities for the components of Galactic superluminal sources. Basic formulas for calculating the real speed and the angle to the line of sight of the components from the data of proper motions and the distance of the source are presented. We point out that the real speed and the angle to the line of sight of components can be uniquely and directly determined from the observed values of the proper motions and the distance of the source. It is not necessary to calculate an intermediate quantity first and then using the resulted value to calculate the two required quantities. The process of the calculation is simple, and in this way, some extra uncertainties are avoided.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0888-6512
URL查看原文
归档日期2000-12-31
WOS记录号WOS:000088165800008
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6853
专题星系研究组
通讯作者Qin, YP
作者单位1.Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, P.
2.National Astronomical Observatories, Chinese Academy of Sciences
3.Chinese Academy of Science-Peking University joint Beijing Astrophysical Center
4.Yunnan Astrophysics Center
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GB/T 7714
Tan YP,Qin, YP. Formulas for direct determination of real speed in galactic superluminal sources[J]. ASTROPHYSICAL LETTERS & COMMUNICATIONS,2000,40(1-2):103-108.
APA Tan YP,&Qin, YP.(2000).Formulas for direct determination of real speed in galactic superluminal sources.ASTROPHYSICAL LETTERS & COMMUNICATIONS,40(1-2),103-108.
MLA Tan YP,et al."Formulas for direct determination of real speed in galactic superluminal sources".ASTROPHYSICAL LETTERS & COMMUNICATIONS 40.1-2(2000):103-108.
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