Observations of interstellar deuterium

Details Observations of interstellar deuterium Observations of interstellar deuterium

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983prhe.work..335l&link_type=abstract

IN: ESO Workshop on Primordial Helium, Garching, West Germany, February 2, 3, 1983, Proceedings (A83-50030 24-90). Garching, Wes

Astronomy and Astrophysics

Astronomy

11

Astronomical Spectroscopy, Deuterium, Hydrogen Atoms, Interstellar Matter, Mass Ratios, Molecular Spectroscopy, Absorption Spectra, Abundance, Galactic Nuclei, Radio Spectroscopy, Ultraviolet Spectroscopy

Scientific paper

This review discusses the observations of interstellar deuterium either in molecular form (deuterated molecules) or in atomic form in the radio or in the ultraviolet region. The more promising observations seem to be the ultraviolet observations of deuterium and hydrogen absorption features in the spectra of early-type stars. It is concluded that presently the best value of the deuterium abundance in the nearby (d ≤ 1 kpc) interstellar medium is D/H ≤ 5×10-6.

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