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Paper: The 2.5-year Period in the Optical Variability of 3C 66A
Volume: 299, High Energy Blazar Astronomy
Page: 205
Authors: Belokon, E.T.; Babadzhanyants, M.K.
Abstract: We analysed the optical light curve of the blazar 3C 66A which was cardinally improved by our extensive data set (1974-1991). Strong evidence for a 2.5-year period was found for the time interval of moderate activity of the object (1972-1992). The predictions made using this period are also in good agreement with the light variations in the time scale of months observed during the bright state (1993-1997).
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