On the upper limit on stellar masses in the Large Magellanic Cloud cluster R136

被引：57
|
作者：
Koen, C [1 ]
机构：
[1] Univ Western Cape, Dept Stat, ZA-7535 Bellville, South Africa
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2006年 / 365卷 / 02期
关键词：
methods : statistical; stars : early-type; stars : luminosity function; mass function; Magellanic Clouds; galaxies : stellar content;
D O I：
10.1111/j.1365-2966.2005.09739.x
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A truncated power-law distribution is fitted to the 29 largest stellar masses known in R136. Two different statistical techniques are used, with comparable results. An upper limit to the mass distribution of the order of 140-160 M-circle dot is derived, while the power-law exponent is in the approximate range 0.9-1.7. A power-law distribution with no upper limit on the mass can be rejected with considerable confidence. It is recommended that the calculations be repeated when more reliable mass estimates are available.
引用
收藏
页码：590 / 594
页数：5
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