Deuterated methanol in Orion

Details Deuterated methanol in Orion Deuterated methanol in Orion

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...194l...1m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 194, no. 1-2, April 1988, p. L1-L4.

Other

58

Abundance, Deuterium Compounds, Hydrogenation, Interstellar Matter, Methyl Alcohol, Orion Nebula, Exothermic Reactions, Least Squares Method

Scientific paper

The authors report the detection of thirteen transitions of deuterated methanol (CH3OD) towards Orion-KL. This is the first clear evidence for the presence of this isotopic species in interstellar space. The authors have also tentatively identified CH3OD in the source G 34.3+0.2 but have only obtained upper limits for the isometric form CH2DOH towards Orion-KL and several other sources. In Orion, they estimate the CH3OD rotation temperature to be between 50 and 150K and the abundance ratio [CH3OD]/[CH3OH] to be in the range 0.01 - 0.06. It is suggested that the chemistry in Orion is far removed from a steady-state situation.

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