Models of Galactic Molecular Sources

Millar, T. J.

doi:10.1007/978-94-009-5432-8_28

T. J. Millar⁴

Part of the book series: NATO ASI Series ((ASIC,volume 157))

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Abstract

A chemical model developed for the purpose of investigating complex molecule formation has been applied to conditions typical of the cold dark clouds TMC-1 and L183. Excellent agreement between theory and observation was found for the time-independent calculations. Time-dependent models have also been studied. Due to the high CI abundance at early times (≳ 10⁵ yr.) the hydrocarbon species are overproduced with respect to their observed values. Models which include the adsorption of gas-phase species onto grains have also been investigated. In this case essentially everything is removed from the gas on a time-scale of 10⁶ yr for a normal gas:dust ratio.

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Mathematics Department, UMIST, Manchester, M60 1QD, UK
T. J. Millar

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T. J. Millar
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Institut für Astrophysik, Max-Planck-lnstitut für Physik und Astrophysik, Garching-bei-München, Germany
G. H. F. Diercksen
Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico, USA
W. F. Huebner
Department of Chemistry, Indian University, Bloomington, Indiana, USA
P. W. Langhoff

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Millar, T.J. (1985). Models of Galactic Molecular Sources. In: Diercksen, G.H.F., Huebner, W.F., Langhoff, P.W. (eds) Molecular Astrophysics. NATO ASI Series, vol 157. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5432-8_28

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DOI: https://doi.org/10.1007/978-94-009-5432-8_28
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-8898-5
Online ISBN: 978-94-009-5432-8
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