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PU Vulpeculae (Object Honda-Kuwano 1979) - A Possible Short-Period Relative of the Symbiotic Stars
Published online by Cambridge University Press: 12 April 2016
Extract
PU Vul was discovered by Honda (1979) and Kuwano (1979) due to its conspicuous increase of brightness in the years 1977-79. The analysis of the archive data by Liller and Liller (1979) revealed that the star was about 16.0m - 16.5m since the year 1898 until October 1977, with occasional brightening to 15m in 1926 and 1955. Since November 1977 it started to flare up by 5m until April 1979 when it reached a maximum of 9.0m. After the flat maximum lasting to June 1979, the brightness of the object started to diminish (Nakagiri and Yamashita, 1980). It reached 14.0m in the autumn of 1980, but then it flared up again, and was again of 9.0m in the summer of 1981 (Belyakina et al., 1981). The latter authors have found that the B-V index diminished in the 1980 minimum.
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- Part IV: Cataclysmic Binaries and their Role in Stellar Evolution
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- Copyright © Reidel 1982