Hierarchical star formation from the time-space distribution of star clusters in the Large Magellanic Cloud

被引：198
|
作者：
Efremov, YN [1 ]
Elmegreen, BG
机构：
[1] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119992, Russia
[2] IBM Corp, Div Res, Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1998年 / 299卷 / 02期
关键词：
turbulence; stars : formation; Magellanic Clouds; galaxies : star clusters;
D O I：
10.1046/j.1365-8711.1998.01819.x
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The average age difference between pairs of star clusters in the Large Magellanic Cloud (LMC) increases with their separation as the similar to 0.35 power. This suggests that star formation is hierarchical in space and in time. Small regions form stars quickly and large regions, which often contain the small regions, form stars over a longer period. A similar result found previously for Cepheid variables is statistically less certain than the cluster result.
引用
收藏
页码：588 / 594
页数：7
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