Were the Large Magellanic Cloud globular clusters formed in a disk?

被引：9
|
作者：
van den Bergh, S [1 ]
机构：
[1] Natl Res Council Canada, Herzberg Inst Astrophys, Dominion Astrophys Observ, Victoria, BC V9E 2E7, Canada
来源：
ASTRONOMICAL JOURNAL | 2004年 / 127卷 / 02期
关键词：
galaxies : star clusters; Magellanic Clouds;
D O I：
10.1086/381303
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The radial velocities of the 13 globular clusters in the Large Magellanic Cloud have a dispersion of 28 km s(-1) relative to the H I rotation curve of the LMC, compared with a dispersion of 30 km s(-1) with regard to the mean globular cluster velocity. This shows that, contrary to a suggestion made by Schommer et al. in 1992, one cannot yet rule out the possibility that the LMC globular clusters formed in a pressure-supported halo, rather than in a rotating disk. The globular clusters in the LMC may therefore, after all, exhibit a relationship between age and kinematics that is similar to that of the clusters in M33.
引用
收藏
页码：897 / 898
页数：2
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