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Paper: Carbon Dust in Massive Stars
Volume: 147, Abundance Profiles: Diagnostic Tools for Galaxy History
Page: 188
Authors: Le Teuff, Yoann H.; Cherchneff, Isabelle
Abstract: Amorphous carbon (AC) dust has been observed in the infrared in the wind of most evolved carbon-rich Wolf-Rayet (WC) stars. In order to explain the formation of AC grains, we study as a first step the formation of small carbon chains in the stellar wind of a typical evolved WC star. Our results show that density enhanced regions in the wind (clumps and/or equatorial discs) are necessary to trigger dust formation in WC stars.
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