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Analyzing observations of molecules in the ISM: Theoreticaland experimental studies of energy transfer

Published online by Cambridge University Press:  13 February 2013

L. Wiesenfeld ,
A. Faure ,
F. Lique ,
N. Dumouchel ,
N. Feautrier ,
A. Spielfiedel  and
Y. Scribano
L. Wiesenfeld
Affiliation:
UJF-Grenoble 1/CNRS, Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, France;. e-mail: laurent.wiesenfeld@obs.ujf-grenoble.fr
A. Faure
Affiliation:
UJF-Grenoble 1/CNRS, Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, France;. e-mail: laurent.wiesenfeld@obs.ujf-grenoble.fr
F. Lique
Affiliation:
LOMC CNRS, Le Havre University, 76058 Le Havre, France
N. Dumouchel
Affiliation:
LOMC CNRS, Le Havre University, 76058 Le Havre, France
N. Feautrier
Affiliation:
LERMA and UMR 8112 of CNRS, Observatoire de Paris-Meudon, 92195 Meudon Cedex, France
A. Spielfiedel
Affiliation:
LERMA and UMR 8112 of CNRS, Observatoire de Paris-Meudon, 92195 Meudon Cedex, France
Y. Scribano
Affiliation:
Laboratoire Interdisciplinaire Carnot de Bourgogne-UMR 5209, CNRS-Université de Bourgogne, 21078 Dijon Cedex, France

Abstract

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Our laboratories have recently calculated a set of collision coefficients characterizingthe efficiency of energy transfer between helium and/or hydrogen and a large variety ofinterstellar molecules. We have considered with molecules ranging from light hydrides,observed by the Herschel Space Observatory, to medium size molecules, observed by mmantennas, to heavy complex organic molecules, observed also in the cm range. We present areview of recent theoretical results obtained in our laboratories, for various kinds ofcommonly observed molecules.

References

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