Amorphous interstellar grains: Wavelength dependence of far-infrared emission efficiency |
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| Authors: | Junji Seki Tetsuo Yamamoto |
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| Institution: | (1) Department of Physics, Kyoto University, Kyoto, Japan;(2) Institute of Space and Aeronautical Science, University of Tokyo, Komaba, Tokyo, Japan |
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| Abstract: | It is shown theoretically that the emission efficiency of amorphous grains with radii smaller than  100 Å has a  -1-dependence in the wavelength region longer than 100  , whereas those of crystalline, metallic, and larger amorphous grains are proportional to -2 in far infrared. Astrophysical implications of the amorphous grains are discussed. |
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