The Abundance Ratio C/O in the Atmospheres of 89 Carbon Stars

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作者
I. Eglitis
M. Eglite
机构
[1] Latvian Academy of Sciences,Radioastrophysical Observatory
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关键词
Abundance Ratio; Carbon Star; Visual Magnitude; Byurakan Astrophysic Observatory; Heavy Element Abundance;
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摘要
The abundance ratio C/O in the atmospheres of 89 faint carbon stars are detected on the basis of spectra obtained on 2.6 m telescope of Byurakan AO. The frequency distribution of C/O in the Perseus galactic arm differs from that in the Orion arm. The conclusion is made that the reason of the difference may be the heavy element abundance differences in these galactic arms.
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页码:235 / 256
页数:21
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