REDDENING, AGE DIFFERENCE, AND HELIUM ABUNDANCE OF GLOBULAR CLUSTERS M3, M13, M15, AND M92

被引：179
作者：
SANDAGE, A
机构：
来源：
ASTROPHYSICAL JOURNAL | 1969年 / 157卷 / 2P1期
关键词：
D O I：
10.1086/150092
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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页码：515 / &
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