Amorphous interstellar grains - Wavelength dependence of far-infrared emission efficiency

Details Amorphous interstellar grains - Wavelength dependence of far-infrared emission efficiency Amorphous interstellar grains - Wavelength dependence of far-infrared emission efficiency

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ap%26ss..72...79s&link_type=abstract

Astrophysics and Space Science, vol. 72, no. 1, Sept. 1980, p. 79-86.

Astronomy and Astrophysics

Astronomy

44

Amorphous Materials, Cosmic Dust, Far Infrared Radiation, Infrared Astronomy, Interstellar Matter, Dielectrics, Ionic Crystals, Lattice Vibrations, Metal Crystals, Stellar Envelopes, Vibration Mode

Scientific paper

It is shown theoretically that the emission efficiency of amorphous grains with radii smaller than approximately 100 A has an inverse gamma-dependence in the wavelength region longer than approximately 100 microns, while those of crystalline, metallic, and larger amorphous grains are inversely proportional to gamma sq. in far infrared. Astrophysical implications of the amorphous grains are discussed.

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