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Molecular Abundances in IRC+10216

Published online by Cambridge University Press:  14 August 2015

E.M. McCabe
Affiliation:
Astronomy Centre, University of Sussex, Brighton, UK
R. Connon Smith
Affiliation:
Astronomy Centre, University of Sussex, Brighton, UK
R.E.S. Clegg
Affiliation:
Department of Astronomy, University of Texas Austin, Texas, U.S.A.

Abstract

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The observed molecular column-densities in IRC +10216 can be matched by chemical-equilibrium calculations for T∼1250°K, P∼100 dyn cm-2 and no graphite grain formation. Condensation of silicon carbide into grains may explain the low observed abundances of SiO and SiS.

Type
Research Article
Copyright
Copyright © Reidel 1980 

References

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