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Millimeter wave observations of circumstellar envelopes with the IRAM telescope

Published online by Cambridge University Press:  04 August 2017

A. Omont ,
T. Forveille ,
S. Guilloteau ,
R. Lucas ,
Nguyen-Q Rieu ,
L. Likkel  and
M. Morris
A. Omont
Affiliation:
Observatoire de Grenoble - B.P. 68 38402 Saint Martin d'Hères Cedex - France
T. Forveille
Affiliation:
Observatoire de Grenoble - B.P. 68 38402 Saint Martin d'Hères Cedex - France
S. Guilloteau
Affiliation:
Observatoire de Grenoble - B.P. 68 38402 Saint Martin d'Hères Cedex - France
R. Lucas
Affiliation:
Observatoire de Grenoble - B.P. 68 38402 Saint Martin d'Hères Cedex - France
Nguyen-Q Rieu
Affiliation:
Observatoire de Meudon - 92195 Meudon Principal Cedex - France
L. Likkel
Affiliation:
UCLA - Los Angeles - CA 90024 - USA
M. Morris
Affiliation:
UCLA - Los Angeles - CA 90024 - USA

Extract

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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 

References

Cohen, M., Dopita, M.A., Schwartz, R.D. and Tielens, A.G.G.M. 1985, Astrophys. J. 297, 702 CrossRefGoogle Scholar
Guilloteau, S., Lucas, R., Nguyen-q-Rieu, and Omont, A., 1986 Astron. Astrophys. Lett. in press.Google Scholar
Lucas, R., Omont, A., Guilloteau, S. and Nguyen-q-Rieu, 1986, Astron. Astrophys. Lett. 154, L12 Google Scholar