The formation of oxygen-containing organic molecules in the Orion compact ridge

T. J. Millar, Eric Herbst, S. B. Charnley

Research output: Contribution to journalArticlepeer-review

139 Citations (Scopus)

Abstract

Following a suggestion of Blake et al. (1987), an attempt was made to account for the unusually large abundances of selected oxygen-containing organic molecules in the so-called 'compact ridge' source directed toward Orion KL by a gas-phase chemical model in which large amounts of water are injected into the source from the IRc2 outflow. Although quantitative model results show that the calculated abundances of methanol, methyl formate, and dimethyl ether can be enhanced relative to their values in the absence of water injection, the enhancements fall far short of explaining the very large observed abundances of these species. Models in which methanol is injected rather than water are more successful, although the source of the methanol is unclear.

Original languageEnglish
Pages (from-to)147-156
Number of pages10
JournalAstrophysical Journal
Volume369
Publication statusPublished - Mar 1991
Externally publishedYes

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