THE QSO B234 AND THE IRREGULAR GALAXY NGC 4861 - EXAMPLES OF ISOLATED EXTRA-GALACTIC H II REGIONS WITH LOW HELIUM ABUNDANCES

被引:30
作者
FRENCH, HB [1 ]
MILLER, JS [1 ]
机构
[1] UNIV CALIF SANTA CRUZ,LICK OBSERV,BOARD STUDIES ASTRON & ASTROPHYS,SANTA CRUZ,CA 95064
关键词
D O I
10.1086/159171
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
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页码:468 / 471
页数:4
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