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Paper: Chemistry in Class 0 and I Objects
Volume: 432, New Horizons in Astronomy: Frank N. Bash Symposium 2009
Page: 187
Authors: Chen, J.-H.; Evans, N. J., II; Lee, Je.-E.
Abstract: We present a line survey of 10 Class 0 and 7 Class I protostars with 9 molecular lines. Combining dust continuum maps and molecular line maps, we calculated the depletion factor and deuterium enhancement to study the chemical properties. A general trend for the chemical evolution is seen: higher deuterium fractionation at higher CO depletion.
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