Deuterium chemistry in the earliest stages of star formation

Details Deuterium chemistry in the earliest stages of star formation Deuterium chemistry in the earliest stages of star formation

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.577..411r&link_type=abstract

In: Proceedings of the dusty and molecular universe: a prelude to Herschel and ALMA, 27-29 October 2004, Paris, France. Ed. by A

Physics

Star Formation, Deuterium

Scientific paper

Observations of molecular D/H ratios in the ISM can be used to probe physical conditions. In star forming regions, where ice mantles have evaporated releasing the products of grain-surface chemistry, deuterium fractionation can provide valuable information on how species have been processed in the ice. Over the past two years, and several multiply deuterated and some mono-deuterated species have been observed with surprisingly high abundances. We present models of interstellar deuterium chemistry and show how they can be used to interpret recent observations of prestellar cores.

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