A study of extreme carbon stars - I. Silicon carbide emission features
Open Access
- 1 January 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 206 (1) , 137-147
- https://doi.org/10.1093/mnras/206.1.137
Abstract
10-µm spectra of many extreme carbon stars reveal a prominent emission feature near 11 µm. This is compared with laboratory spectra of SiC grains. Two distinct types of features are found, perhaps indicative of different mechanisms of grain formation in different stars. Estimates are made of probable column densities and total masses of SiC in the circumstellar shells.Keywords
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