The great disk of Milky-Way satellites and cosmological sub-structures

被引:314
作者
Kroupa, P [1 ]
Theis, C
Boily, CM
机构
[1] Univ Kiel, Inst Theoret Phys & Astrophys, D-24098 Kiel, Germany
[2] Sternwarte Bonn, D-53121 Bonn, Germany
[3] Univ Vienna, Inst Astron, A-1180 Vienna, Austria
[4] Observ Astron, F-67000 Strasbourg, France
关键词
Galaxy : evolution; Galaxy : halo; galaxies : dwarf; galaxies : kinematics and dynamics; galaxies : Local Group; Galaxy : formation;
D O I
10.1051/0004-6361:20041122
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We show that the shape of the observed distribution of Milky Way ( MW) satellites is inconsistent with their being drawn from a cosmological sub-structure population with a confidence of 99.5 per cent. Most of the MW satellites therefore cannot be related to dark-matter dominated satellites.
引用
收藏
页码:517 / 521
页数:5
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