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Optical Properties of Carbonaceous Materials

Published online by Cambridge University Press:  23 September 2016

E. Bussoletti  and
L. Colangelí
E. Bussoletti
Affiliation:
Istituto Universitario Navale, Napoli (Italy)
L. Colangelí
Affiliation:
Space Science Department of ESA, ESTEC, Noordwijk (The Netherlands)

Abstract

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We discuss the optical properties of carbonaceous materials from the VUV to the FIR. Updated laboratory data on amorphous carbon (HAC) and some PAH mixtures are analysed and compared with relevant literature. We find that the 2175 å hump can be due to very small (< a > ≥ 10 å) HAC grains. The UIR bands seem better explained by mixtures of HAC particles and collections of PAHs.

Type
Section II: The Overidentified Infrared Emission Features
Information
Symposium - International Astronomical Union , Volume 135: Interstellar Dust , 1989 , pp. 147 - 154
Copyright
Copyright © Kluwer 1989 

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