Radio detection of interstellar DCO/+/

Details Radio detection of interstellar DCO/+/ Radio detection of interstellar DCO/+/

Oct 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...209l..83h&link_type=abstract

Astrophysical Journal, vol. 209, Oct. 15, 1976, pt. 2, p. L83-L85.

Other

40

Astronomical Spectroscopy, Deuterium, Interstellar Gas, Molecular Ions, Radio Spectra, Abundance, Chemical Fractionation, Cosmic Dust, Electron Transitions, Emission Spectra, Line Spectra, Molecular Spectra

Scientific paper

The J = 1-0 transition of the deuterated formyl ion, DCO(+), has been detected in emission from NGC 2264 and DR 21(OH) and from the cool dust cloud L134. Estimates for the column-density ratios of H(C-13)O(+) to DCO(+) are given for NGC 2264 and DR 21(OH); lower limits for the ratios are given for five other clouds. The DCO(+) detection in L134 provides unique observational evidence in support of chemical fractionation. The L134 results also suggest that the dust clouds may act as repositories for primordial deuterium.

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