Methanol abundance in low mass protostars

Details Methanol abundance in low mass protostars Methanol abundance in low mass protostars

2004-11-12

arxiv.org/abs/astro-ph/0411350v1

Astronomy and Astrophysics

Astrophysics

2 pages, 2 figures, Proceeding of the conference "The dusty and molecular universe", 27-29 October 2004, Paris, France

Scientific paper

Methanol lines observations of a sample of low mass Class 0 protostars are
presented. Using a 1D radiative transfer model, I show that several protostars
have large abundance jumps in the inner hot and dense region of envelopes,
probably because of thermal grain mantle evaporation. These abundances are
compared with a grain surface chemistry model.

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