Abundances in Magellanic Clouds Young Clusters:

被引：0
|
作者：
V. Hill
M. Spite
机构：
[1] ESO K,Observatoire de Meudon
[2] DASGAL,undefined
来源：
Astrophysics and Space Science | 1999年 / 265卷
关键词：
Abundance Ratio; Homogeneous Method; Cluster Star; Solar Neighbourhood; Magellanic Cloud;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Detailed abundances are measured in cool (K type) supergiants in LMC young populous clusters (NGC 2004, NGC 2100 and NGC 1818), and compared to those, recently observed in samples of field supergiants in both Magellanic Clouds. This completes the work already done onthe SMC cluster NGC 330 (Hill et al., 1997b).The analysis of the field supergiants showed no evidence of any abundance dispersion among the stars, compatible with a well mixed gas in thesegalaxies. However, previous determinations of the metallicity ofNGC 330 and NGC 1818 gave values well below the respective field values. This difference is seeked, using a homogeneous method for the field andcluster samples, and the abundance ratios of various elements are examined.
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页码：469 / 472
页数：3
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