Flows in clumpy planetary nebulae |
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| Authors: | T W Hartquist J E Dyson |
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| Institution: | (1) Max-Planck-Institute für extraterrestrische Physik, D-85740 Garching, Germany;(2) Department of Physics and Astronomy, The University of Leeds, LS2 9JT Leeds, UK |
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| Abstract: | The dynamics of clumps observed in planetary nebulae are considered. The possibility that SiO maser spots in evolved stars and the planetary nebula clumps are formed by the Parker instability behind shocks in pulsating stars' atmospheres is raised. Molecular observations of the clumps are suggested. The effects of the ablation of clumps on the global flow structure of a more tenuous plasma in which they are embedded are reviewed. |
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| Keywords: | Planetary nebulae Hydrodynamics Multi-phase flows |
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