Molecular abundances in carbon-rich circumstellar envelopes
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Millimetre observations of three southern carbon stars, IRAS 07454-7112, IRAS 15082-4808 and IRAS 15194-5115 detected 14 molecular species and some of their isotopomers. The12C/13C ratio was found to vary between sources.
Key wordsstars: carbon molecules
- Nyman, L.-Å., Olofsson, H., Johansson, L.E.B., Booth, R.S., Carlström, U., Wolstencroft, R.,: 1993,A&A 269, 377.Google Scholar
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