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Measurement of Far-Infrared Absorption for Amorphous Silicates between 27 and 400 μm

Published online by Cambridge University Press:  12 April 2016

Chiyoe Koike  and
Hiroshi Shibai
Chiyoe Koike
Affiliation:
Kyoto Pharmaceutical University, Yamashina, Kyoto 607
Hiroshi Shibai
Affiliation:
Insitute of Space and Astronautical Science, Sagamihara 229, Japan

Abstract

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The far-infrared extinction of various silicates was measured in the 27 - 400 μm range of wavelength. The SiO2 content of our samples distributes between 45 and 100 weight (wt.)%. There is no distinct absorption band in the far-infrared region and the extinction decreases in proportion to λ−1.4.

Type
Interplanetary Dust: Physical and Chemical Analysis
Information
International Astronomical Union Colloquium , Volume 126: Origin and Evolution of Interplanetary Dust , 1991 , pp. 121 - 124
Copyright
Copyright © Kluwer 1991

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