Interstellar extinction and the composition of dust grains

Details Interstellar extinction and the composition of dust grains Interstellar extinction and the composition of dust grains

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.229..203d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 229, Nov. 15, 1987, p. 203-212. NSERC-SERC-supported re

Other

35

Astronomical Models, Chemical Composition, Cosmic Dust, Interstellar Extinction, Interstellar Matter, Absorption Spectra, Amorphous Materials, Carbon, Silicates

Scientific paper

A model for interstellar dust is proposed based on recent laboratory data on the properties of amorphous carbon and silicate materials. It is suggested that the wavelength dependence of interstellar extinction as well as many other properties of interstellar dust can be explained by a model in which small hydrated silicate particles are coated with a thin layer of amorphous carbon. It is speculated that such layers are thin enough to exhibit quasi-quantum character.

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