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PMO OpenIR  > 太阳活动的多波段观测研究团组  > 期刊论文
题名: Short-term nongravitational effect due to activity in Comet Hale-Bopp's nucleus
作者: Hu, ZW; Ma, JB; Yang, JX; Wang, Q
刊名: CHINESE ASTRONOMY AND ASTROPHYSICS
出版日期: 2002-07-01
卷号: 26, 期号:3, 页码:333-338
关键词: Comet Hale-Bopp ; nongravitational effect ; activity of the nucleus
文章类型: Article
英文摘要: Can activity of comet's nucleus, such as jets, cause observable short-term nongravitational effect? We have analysed the data on several nuclear events of Comet Hale-Bopp during late February-early April, 1997 and found the observed position deviated markedly from the position calculated according to the ephemeris after the observing error and the offset of the nucleus mass-center from the comet's light-center have been allowed for. Thus, nuclear activity can indeed cause observable short-term nongravitational effect. Possible short-term variation of sun-comet distance due to the effect is estimated and the relation between the effect and the relevant activity is discussed.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000177827900010
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15799
Appears in Collections:太阳活动的多波段观测研究团组_期刊论文

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作者单位: 1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
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