UBV PHOTOMETRY OF RR-LYRAE VARIABLES IN THE GLOBULAR-CLUSTER NGC-6121 (M4)

被引：44
作者：
CACCIARI, C
机构：
来源：
ASTRONOMICAL JOURNAL | 1979年 / 84卷 / 10期
关键词：
D O I：
10.1086/112572
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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页码：1542 / 1552
页数：11
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