Dust from AGB stars

被引：0
|
作者：
Andersen, Anja C. [1 ]
机构：
[1] Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, DK-2100 Copenhagen, Denmark
来源：
WHY GALAXIES CARE ABOUT AGB STARS: THEIR IMPORTANCE AS ACTORS AND PROBES | 2007年 / 378卷
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D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Dust is formed in the expanding atmosphere during late stages of stellar evolution. Dust influences the dynamics and thermodynamics of the stellar atmosphere by its opacity. The dust opacity depends both on the optical properties of the grain material and on the amount of dust present. A rich source of information on some mineral phases of dust in AGB stars comes from the study of presolar grains from meteorites. This paper presents a short overview of presolar grain studies and describes how the optical properties of dust grains are obtained in the laboratory.
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页码：170 / 180
页数：11
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