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Evidence for a 12 Micron Water-ice Absorption Band in the IRAS LRS Spectra of Protostars and Late type Stars

Published online by Cambridge University Press:  04 August 2017

M. de Muizon ,
L.B. d'Hendecourt  and
C. Perrier
M. de Muizon
Affiliation:
Sterrewacht Leiden, Postbus 9515, 2300 RA, Leiden, the Netherlands, and Observatoire de Paris, France
L.B. d'Hendecourt
Affiliation:
Groupe de Physique des Solides, Universite de Paris 7, 4, Place Jussieu, 75251 Paris Cedex 05, France
C. Perrier
Affiliation:
Observatoire de Lyon, 69230 Saint-Genis Laval, France

Extract

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We present evidence for a 12 micron absorption band due to the librational mode of the H2O molecule in the form of ice in some IRAS LRS spectra. This identification is based on the 3 micron spectrophotometry of these objects showing the presence of the 3 micron ice band. From these spectra, physical characteristics of the ice can be discussed.

Type
Circumstellar Shells
Information
Symposium - International Astronomical Union , Volume 120: Astrochemistry , 1987 , pp. 343
Copyright
Copyright © Reidel 1987