White dwarf seismology and the 12C(α, γ)16O rate

被引：0
|
作者：
Metcalfe, TS [1 ]
机构：
[1] Aarhus Univ, Theoret Astrophys Ctr, DK-8000 Aarhus C, Denmark
来源：
WHITE DWARFS | 2003年 / 105卷
关键词：
D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Recent determinations of the internal composition and structure of two helium-atmosphere variable white dwarf stars, CD 358 and CBS 114, have led to conflicting implied rates for the C-12(alpha,gamma)O-16 reaction. If we assume that both stars were formed through single-star evolution, then the initial analyses of their pulsation frequencies must have differed in some systematic way. I present improved fits to the two sets of pulsation data, helping to resolve the tension between the initial results.
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页码：251 / 254
页数：4
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