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X-ray emission from Planetary Nebulae
Published online by Cambridge University Press: 25 May 2016
Extract
X-ray emission from planetary nebulae (PNe) may originate from two sources: central stars which are 100,000–200,000 K will emit soft X-rays, and shocked fast stellar winds reaching 106–107 K will emit harder X-rays. The former are point sources, while the shocked winds are expected to be extended sources emitting continuously out to the inner wall of the visible nebular shell (Weaver et al. 1977; Wrigge & Wendker 1996).
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- IV. Envelopes
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- Copyright © Kluwer 1997
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