Interstellar detection of deuterated methyl acetylene

Details Interstellar detection of deuterated methyl acetylene Interstellar detection of deuterated methyl acetylene

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...253l..29g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 253, no. 2, Jan. 1992, p. L29-L32. Research supported by CNRS.

Astronomy and Astrophysics

Astrophysics

19

Abundance, Deuterium Compounds, Interstellar Matter, Methyl Compounds, Molecular Spectra, Line Spectra, Radio Spectra

Scientific paper

The paper reports the detection of CH2DCCH in the cold dark cloud TMC-1. The fractionation ratio for CH3CCH was found to be between 0.05 and 0.06, the highest known in TMC-1. It is suggested that such a high deuteration could have been achieved through the exchange reaction with H2D(+), which is by far the dominant deuterated ion at low temperatures, and with CH3D.

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