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Filaments of the Helix Nebula

Published online by Cambridge University Press:  14 August 2015

B.A. Vorontsov-Velyaminov
B.A. Vorontsov-Velyaminov*
Affiliation:
Sternberg State Astronomical Institute, Moscow, U.S.S.R.

Extract

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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.

Type
Session IV – Structure and Dynamics
Information
Symposium - International Astronomical Union , Volume 34: Planetary Nebulae , 1968 , pp. 256 - 258
Copyright
Copyright © Reidel 1968