Some spectroscopic problems of carbon stars |
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| Authors: | Yoshio Fujita |
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| Institution: | (1) Department of Astronomy, Faculty of Science, University of Tokyo, Bunkyo-ku, 113 Tokyo, Japan |
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| Abstract: | Some spectroscopic problems of carbon stars are described, with an historical sketch, and discussed mainly from the standpoint of observational data. The discussion concentrates on four items, namely: spectral classification in connection with R-N and C-types; spectral features including the identification problem; chemical composition from the curve of growth analysis; and the 12C/13C abundance ratio — mainly obtained from the CN bands analysis. |
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