银河系结构的再认识&mdash;&mdash;3. 星流和潮汐尾

赵君亮

doi:10.3969/j.issn.0253-9608.2

自然杂志 >

2014 , Vol. 36 >Issue 4: 235 - 240

DOI: https://doi.org/10.3969/j.issn.0253-9608.2

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银河系结构的再认识——3. 星流和潮汐尾

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研究员，中国科学院上海天文台，上海 200030

收稿日期: 2013-12-11

网络出版日期: 2014-08-25

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Stellar streams and their implication for studies on the structure of our Galaxy

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Professor,Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China

Received date: 2013-12-11

Online published: 2014-08-25

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摘要

银晕外区存在众多的星流，它们或源自银河系的矮伴星系，或源自球状星团。星流可以利用各类示踪星，并通过不同的途径来加以研究，对于探索银河系演化史和银河系暗晕的形状具有重要意义。

关键词： 银河系; 星流; 人马星流; 球状星团; 潮汐尾

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赵君亮 . 银河系结构的再认识——3. 星流和潮汐尾[J]. 自然杂志, 2014 , 36(4) : 235 -240 . DOI: 10.3969/j.issn.0253-9608.2

Abstract

Many stellar tidal streams in the outer halo of the Milky Way Galaxy have been found since 1994. Some streams are formed from dwarf satellites and others from globular clusters. More and more observational and theoretical studies on the stellar streams have been done during recent 20 years or so, from which some important results were gained.

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