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- W2091247786 abstract "Results are discussed for photographic UBV observations of OJ 287 to determine whether its brightness changes are accompanied by variations in color. A total of 99 sets of observations were obtained over a three-year declining phase, and a few IR observations were also made. The results of the four-color observations are graphed together with least-squares parabolic curves fitted to the UBV observations through April 1974, and they reveal random short-term fluctuations of small amplitude superimposed on a general decline of about three magnitudes. Short- and long-term (U-B) and (B-V) color indices are computed, and all indicate no significant color trend during the three-magnitude decline." @default.
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- W2091247786 date "1975-02-01" @default.
- W2091247786 modified "2023-09-24" @default.
- W2091247786 title "Four-color photometry of OJ 287 during its recent three-magnitude decline" @default.
- W2091247786 doi "https://doi.org/10.1086/129738" @default.
- W2091247786 hasPublicationYear "1975" @default.
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