Galactic abundances of deuterated molecules

Details Galactic abundances of deuterated molecules Galactic abundances of deuterated molecules

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985azh....62..182s&link_type=abstract

(Astronomicheskii Zhurnal, vol. 62, Jan.-Feb. 1985, p. 182-184) Soviet Astronomy (ISSN 0038-5301), vol. 29, Jan.-Feb. 1985, p. 1

Astronomy and Astrophysics

Astronomy

3

Abundance, Cosmochemistry, Deuterium Compounds, Formyl Ions, Milky Way Galaxy, Galactic Nuclei, Interstellar Gas, Ionic Reactions, Metallicity, Molecular Clouds

Scientific paper

The deuterium enrichment of HCO(+) molecular ions in molecular clouds was calculated in relation to the abundance of the gas phase metals such that DCO(+)/HCO(+) varies as delta exp -1/3. A positive galactic gradient was found. On the basis of the abundance calculations, it is suggested that the interstellar deuterium abundance may be lower in the central part of the Galaxy. The metal abundance may be as much as 10 times higher than near the sun.

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