中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The vast thin plane of M31 corotating dwarfs: an additional fossil signature of the M31 merger and of its considerable impact in the whole Local Group

文献类型:期刊论文

作者Hammer, Francois1; Yang, Yanbin1,2; Fouquet, Sylvain1; Pawlowski, Marcel S.3; Kroupa, Pavel3; Puech, Mathieu1; Flores, Hector1; Wang, Jianling2
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2013-06-01
卷号431期号:4页码:3543-3549
关键词galaxies: dwarf galaxies: formation galaxies: interactions Local Group
英文摘要The recent discovery by Ibata et al. of a vast thin disc of satellites (VTDS) around M31 offers a new challenge for the understanding of the Local Group properties. This comes in addition to the unexpected proximity of the Magellanic Clouds (MCs) to the Milky Way (MW), and to another vast polar structure (VPOS), which is almost perpendicular to our Galaxy disc. We find that the VTDS plane is coinciding with several stellar, tidally induced streams in the outskirts of M31, and, that its velocity distribution is consistent with that of the giant stream (GS). This is suggestive of a common physical mechanism, likely linked to merger tidal interactions, knowing that a similar argument may apply to the VPOS at the MW location. Furthermore, the VTDS is pointing towards the MW, being almost perpendicular to the MW disc, as the VPOS is.
收录类别SCI
语种英语
WOS记录号WOS:000319479000046
源URL[http://ir.bao.ac.cn/handle/114a11/5955]  
专题国家天文台_光学天文研究部
作者单位1.Univ Paris Diderot, CNRS, UMR8111, Lab GEPI,Observ Paris, F-92195 Meudon, France
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Univ Bonn, Argelander Inst Astron, D-53121 Bonn, Germany
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Hammer, Francois,Yang, Yanbin,Fouquet, Sylvain,et al. The vast thin plane of M31 corotating dwarfs: an additional fossil signature of the M31 merger and of its considerable impact in the whole Local Group[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2013,431(4):3543-3549.
APA Hammer, Francois.,Yang, Yanbin.,Fouquet, Sylvain.,Pawlowski, Marcel S..,Kroupa, Pavel.,...&Wang, Jianling.(2013).The vast thin plane of M31 corotating dwarfs: an additional fossil signature of the M31 merger and of its considerable impact in the whole Local Group.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,431(4),3543-3549.
MLA Hammer, Francois,et al."The vast thin plane of M31 corotating dwarfs: an additional fossil signature of the M31 merger and of its considerable impact in the whole Local Group".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 431.4(2013):3543-3549.

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来源:国家天文台

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