K-TYPE AND M-TYPE DWARF STARS WITHIN 25 PARSECS OF THE SUN .1. THE AGE-CHROMOSPHERIC ACTIVITY RELATION FROM H-ALPHA EQUIVALENT WIDTHS

被引:18
作者
EGGEN, OJ
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D O I
10.1086/132624
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P1 [天文学];
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0704 ;
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页码:166 / 178
页数:13
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