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Shock waves - The trigger mechanism of SiO masers in circumstellar envelopes of cool giants and supergiants
Published online by Cambridge University Press: 04 August 2017
Extract
Circumstellar envelopes of cool giants and supergiants are composed of different parts which can be observed through characteristic spectral features. One is SiO-maseremission which is typically found in Miras and some semi-regular variable supergiants. These masers are thought to originate in those parts of the upper atmosphere or lower circumstellar envelope where still no mass-loss takes place. Location and trigger mechanism was still not definitely clear.
- Type
- Circumstellar Shells and Envelopes
- Information
- Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 253 - 254
- Copyright
- Copyright © Reidel 1987