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Circumstellar H2O in M-type AGB stars
Published online by Cambridge University Press: 01 February 2008
Abstract
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Surprisingly high amounts of H2O have recently been reported in the circumstellar envelope around the M-type AGB star W Hya. However, substantial uncertainties remain, as the required radiative transfer modelling is difficult due to high optical depths, sub-thermal excitation and the sensitivity to the combined radiation field from the central star and dust grains.
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 4 , Symposium S251: Organic Matter in Space , February 2008 , pp. 163 - 164
- Copyright
- Copyright © International Astronomical Union 2008
References
Ivezić, Ž, Nenkova, M., & Elitzur, M. 1999, User Manual for DUSTY, (Univ. Kentucky Internal Rep.)Google Scholar
Maercker, M., Schöier, F. L., Olofsson, H., Bergman, P., & Ramstedt, S. 2008a, A&A, 479, 779Google Scholar
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