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Paper: Two New Close Binary Central Stars of Planetary Nebulae from a Critically Selected Southern Hemisphere Sample
Volume: 313, Asymmetrical Planetary Nebulae III
Page: 529
Authors: Hillwig, T.C.
Abstract: I present the results of time-resolved photometry of a selection of central stars of planetary nebulae. The study reveals periodic variability in two of the eight central stars observed, those of NGC 6026 and NGC 6337. The variability matches that expected from a binary system in which a hot primary irradiates a cooler secondary star.
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