Photometric observations of the central
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H. G. Grothues; L. Kohoutek
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Article
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1993
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John Wiley and Sons
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English
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Four minima have been stated and can be interpreted in terms of occulting dust clouds, probably representing dense condensations of the planetary nebula. We derived R = Av1EB-v = 4.0. Photoelektrische UBV-Beobachtungen des Zentralsterns des Planetarischen Nebels NGC 2346, gemessen in 60 Nachten zwis