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Galaxies 2018, 6(3), 98; https://doi.org/10.3390/galaxies6030098

X-ray Shaping of Planetary Nebulae

Instituto de Astrofísica de Andalucía, IAA-CSIC, 18080 Granada, Spain
Received: 30 July 2018 / Revised: 3 September 2018 / Accepted: 4 September 2018 / Published: 11 September 2018
(This article belongs to the Special Issue Asymmetric Planetary Nebulae VII)
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Abstract

The stellar winds of the central stars of planetary nebulae play an essential role in the shaping of planetary nebulae. In the interacting stellar winds model, the fast stellar wind injects energy and momentum, which are transferred to the nebular envelope through an X-ray-emitting hot bubble. Together with other physical processes, such as the ionization of the nebular envelope, the asymmetrical mass-loss in the asymptotic giant branch (AGB), and the action of collimated outflows and magnetic fields, the pressurized hot gas determines the expansion and evolution of planetary nebulae. Chandra and XMM-Newton have provided us with detailed information of this hot gas. Here in this talk I will review our current understanding of the effects of the fast stellar wind in the shaping and evolution of planetary nebulae and give some hints of the promising future of this research. View Full-Text
Keywords: planetary nebula; X-ray; stellar evolution planetary nebula; X-ray; stellar evolution
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Guerrero, M.A. X-ray Shaping of Planetary Nebulae. Galaxies 2018, 6, 98.

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