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Chemical Abundances of Early Type Stars
Published online by Cambridge University Press: 25 May 2016
Extract
X-rays from early-type stars are emitted by the corona or the stellar wind. The materials in the surface layer of early-type stars are not contaminated by nuclear reactions in the stellar inside. Therefore, abundance study of the early-type stars provides us an information of the abundances of the original gas. However, the X-ray observations indicate low-metallicity, which is about 0.3 times of cosmic abundances. This fact raises the problem on the cosmic abundances.
- Type
- Session 1: Plasma and Fresh Nucleosynthesis Phenomena
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- Copyright © Kluwer 1998