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A Search for Diffuse Interstellar Features in Stars with Circumstellar Dust Shells

Published online by Cambridge University Press:  14 August 2015

Theodore P. Snow Jr.  and
George Wallerstein
Theodore P. Snow Jr.
Affiliation:
Astronomy Dept., University of Washington, Seattle, Wash. 98195, U.S.A.
George Wallerstein
Affiliation:
Astronomy Dept., University of Washington, Seattle, Wash. 98195, U.S.A.

Abstract

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We have searched for diffuse features at λ 4430, 5780 and 6613 in the spectra of 17 stars which show infra-red excesses or other grounds for believing that they have dusty envelopes. In no case could we identify diffuse bands that may be ascribed to the circumstellar envelope. We conclude that the grains in circumstellar envelopes are not identical with the grains in the general interstellar medium.

Type
Part II Diffuse Features
Information
Symposium - International Astronomical Union , Volume 52: Interstellar Dust and Related Topics , 1973 , pp. 65 - 70
Copyright
Copyright © Reidel 1973 

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