Pulsation and mass loss in red giant stars

被引：0
|
作者：
Wood, P. R. [1 ]
机构：
[1] Australian Natl Univ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia
来源：
FROM STARS TO GALAXIES: BUILDING THE PIECES TO BUILD UP THE UNIVERSE | 2007年 / 374卷
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
During the final stages of AGB evolution, single red giant stars pulsate and lose large amounts of mass, enriching the interstellar medium in elements such as C, N and s-process species. About 30% of stars are binaries which end their red giant evolution by mass transfer to a binary companion and to the interstellar medium. In this paper, I discuss recent Spitzer measurements of mass loss rates for single AGB stars in the Magellanic Clouds and explore how these mass loss rates depend on luminosity and mass. I also discuss red giants which are currently in the process of interaction with close binary companions and which are near to losing their envelopes by mass transfer.
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页码：47 / 52
页数：6
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