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Filaments of the Helix Nebula
Published online by Cambridge University Press: 14 August 2015
Extract
Thirty years ago Baade discovered in the Helix Nebula extremely thin radial filaments, but since then their existence has been neglected. Data presented below were obtained by studying a copy of a plate obtained in 1954 in the light of Hα with the 200-inch telescope. Our goal is to draw attention to these filaments, which are of great importance for the understanding of planetary nebulae in general.
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- Session IV – Structure and Dynamics
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- Copyright © Reidel 1968
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