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Heating of the Interstellar Medium

Published online by Cambridge University Press:  25 September 2002

A.G.G.M. Tielens
Affiliation:
SRON/Kapteyn Institute, PO Box 800, 9700 AV Groningen, The Netherlands
E. Peeters
Affiliation:
SRON/Kapteyn Institute, PO Box 800, 9700 AV Groningen, The Netherlands
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Abstract

Interstellar gas is thought to be heated by photoelectrons ejected by small grains and PAHs. This process is reviewed and evidence for its importance is examined. In particular, the importance of the PAH charge for the photo electric effect and for the spectral characteristics of interstellar PAHs is discussed.

Type
Research Article
Copyright
© EAS, EDP Sciences, 2002

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