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High Resolution Optical Spectra of 120 White Dwarfs
Published online by Cambridge University Press: 12 April 2016
Abstract
High quality optical spectra of 120 white dwarfs have been obtained to search for double degenerate systems, some of which might become type I supernovae. No systems with high amplitude velocity variations have been found. However several exceptionally cool DA white dwarfs have been found to show weak Helium absorption lines, and four stars have split H-alpha line cores indicative of binary systems.
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- Copyright © Springer-Verlag 1989
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