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http://dx.doi.org/10.5303/PKAS.2012.27.4.225

STARDUSTS IN SUPERNOVA REMNANTS SEEN BY AKARI  

Koo, Bon-Chul (Department of Physics and Astronomy, Seoul National University)
Publication Information
Publications of The Korean Astronomical Society / v.27, no.4, 2012 , pp. 225-230 More about this Journal
Abstract
Supernovae (SN) and supernova remnants (SNRs) play a major role in the life-cycle of interstellar dusts. Fast shock waves generated by SN explosions sweep out the interstellar space destroying dust grains and modifying their physical and chemical properties. The dense, cooling SN ejecta, on the other hand, provide an environment for dusts to condense. Recent space-infrared telescopes have revealed the hidden universe related to these fascinating microscopic processes. In this paper, I introduce the results on stardusts in young core-collapse supernova remnants obtained by AKARI. The AKARI results show diverse infrared characteristics of stardusts associated with SNRs, implying diverse physical/chemical stellar structures and circumstellar environments at the time of explosion.
Keywords
circumstellar matter; dust; infrared: stars; ISM: supernova remnants;
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