Models and observations of deuterated molecules in protostellar cores

Details Models and observations of deuterated molecules in protostellar cores Models and observations of deuterated molecules in protostellar cores

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..251...99r&link_type=abstract

Organic Matter in Space, Proceedings of the International Astronomical Union, IAU Symposium, Volume 251, p. 99-104

Astronomy and Astrophysics

Astronomy

Astrochemistry, Molecular Processes, Stars: Formation, Ism: Molecules

Scientific paper

Measuring the deuterium fractionation in different molecules can allow one to determine the physical conditions in the gas and to differentiate between gas-phase and grain surface chemical processing. Observations of molecular D/H ratios in different species towards the dense gas surrounding low-mass protostars are presented and are compared with model simulations. These consider gas-phase chemistry, accretion and desorption, and reactions on grain surfaces during the initial stages of core collapse.

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