Comments on the possibility of interstellar quartz grains

Wickramasinghe, N. C. ; Krishna Swamy, K. S. (1968) Comments on the possibility of interstellar quartz grains The Astrophysical Journal, 154 . pp. 397-400. ISSN 0004-637X

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Official URL: http://iopscience.iop.org/0004-637X

Abstract

The interstellar extinction curve cannot be reproduced with quartz particles or quartz core-ice mantle particles. The condensation of quartz in M-star atmospheres requires temperatures ~1000° K, which are lower than the boundary temperatures of these stars.

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