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Infrared Emission Mechanism in Large Isolated Molecules

Published online by Cambridge University Press:  23 September 2016

L. B. d'Hendecourt ,
A. Léger ,
P. Boissel  and
F. X. Désert
L. B. d'Hendecourt
Affiliation:
Groupe de Physique des Solides de l'E.N.S., Université Paris VII Tour 23 - 2, place Jussieu - 75251 Paris Cédex 05 - France
A. Léger
Affiliation:
Groupe de Physique des Solides de l'E.N.S., Université Paris VII Tour 23 - 2, place Jussieu - 75251 Paris Cédex 05 - France
P. Boissel
Affiliation:
Laboratoire de Photophysique Moléculaire, Université Paris XI Bâtiment 213, 91405 Orsay Cédex - France
F. X. Désert
Affiliation:
NASA Goddard Space Flight Center, Code 685, Greenbelt, MD 207771 - USA

Abstract

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The physics which governs the IR emission of a large isolated molecule (e. g. an interstellar PAH) after the absorption of an UV photon is described. We show that the simple thermal approximation is valid and we give the method to calculate emission spectra from absorption spectroscopy data.

Type
Section II: The Overidentified Infrared Emission Features
Information
Symposium - International Astronomical Union , Volume 135: Interstellar Dust , 1989 , pp. 207 - 219
Copyright
Copyright © Kluwer 1989 

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