On the determination of carbon isotopic ratios in cool carbon stars II. Accuracy of the iso-intensity method for crowded spectra

• de Laverny & Gustafsson (1998, Paper 1) questioned the iso-intensity method used by Ohnaka & Tsuji (1996) to derive carbon isotopic ratios in cool carbon stars. As a reply Ohnaka & Tsuji (1998) pointed out that the method criticized in Paper I differs fro

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stars : abundances; stars : late-type; stars : AGB and post-AGB; stars : carbon; molecular processes; QUANTITATIVE-ANALYSIS

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