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Millimeter wave observations of circumstellar envelopes with the IRAM telescope
Published online by Cambridge University Press: 04 August 2017
Extract
We report various recent observations of molecules in circumstellar envelopes of late type stars, mainly possible proto-planetary nebulae at various stages of evolution, and supergiants, including.
First observation of SO2 (Lucas et al. 1986) in five stars and SO in one. S O 2 is particularly strong in OH 231.8+4.2 (OH 0739-14) and OH 26.5+0.6, where one of its lines is the strongest non-maser line observed in these envelopes (Guilloteau et al. 1986).
- Type
- Planetary Nebulae
- Information
- Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 511 - 512
- Copyright
- Copyright © Reidel 1987