Detection of deuterated cyclopropenylidene (C3HD) in TMC-1

Details Detection of deuterated cyclopropenylidene (C3HD) in TMC-1 Detection of deuterated cyclopropenylidene (C3HD) in TMC-1

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311l..89b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 311, Dec. 15, 1986, p. L89-L92.

Astronomy and Astrophysics

Astrophysics

15

Cyclic Hydrocarbons, Deuterium Compounds, Interstellar Chemistry, Line Spectra, Molecular Clouds, Abundance, Density Distribution, Gas Density

Scientific paper

The authors report the detection of a spectral line at 19418.7 MHz in the direction of the dense molecular cloud TMC-1. As a result of laboratory work recently made available they can now assign this line to the 110 → 101 transition of C3HD (deuterated cyclopropenylidene) and use the observations to derive the column densities of C3HD and C3H2 in TMC-1 as ≡4×1012cm-2 and ≡1×1014cm-2, respectively. The chemistry leading up to the production of C3HD is discussed and evaluated.

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