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Studies of Organic Molecules Containing Methyl Groups in Dark Clouds

Published online by Cambridge University Press:  04 August 2017

P. Friberg ,
W.M. Irvine ,
S.C. Madden  and
A. Hjalmarson
P. Friberg
Affiliation:
Onsala Space Observatory, S-439 00 Onsala, Sweden
W.M. Irvine
Affiliation:
FCRAO, Univ. of Massachusetts, Amherst, MA01003, USA
S.C. Madden
Affiliation:
FCRAO, Univ. of Massachusetts, Amherst, MA01003, USA
A. Hjalmarson
Affiliation:
Onsala Space Observatory, S-439 00 Onsala, Sweden

Extract

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We have observed transitions of methanol, methyl acetylene(1),(2) and acetaldehyde(3) in dark clouds. in methanol the 20−10 A+, 10−00 A+, 2-1−1−1 E lines and tentatively the 20−10 E line have been observed. The 10−00 E, 21−11 E and the 00−1−1 E lines were searched for but not detected. Maps of TMC1, L134N, and B335 in the 20−10 A+ and 2−1−1−1 E lines show that the methanol emission is very extended and follows the extent of the C180 J=1−0 emission well.

Type
Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 120: Astrochemistry , 1987 , pp. 201 - 202
Copyright
Copyright © Reidel 1987 

References

Irvine, W.M., Hoglund, B., Friberg, P., Askne, J., Elldér, J.: 1981, Ap. J. (Letters), 248, L113.Google Scholar
Friberg, P., in preparation.Google Scholar
Matthews, H.E., Friberg, P., Irvine, W.M.: 1985, Ap. J., in press.Google Scholar