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Paper: Analysis of the Colour Variations of Blazar 3C 66A in the Optical Region during 1993-1996
Volume: 159, BL Lac Phenomenon
Page: 111
Authors: Hagen-Thorn, V. A.; Marchenko, S. G.; Takalo, L. O.; Sillanpää, A.; Pursimo, T.
Abstract: The analysis of colorimetric behaviour of blazar 3C66A based on the data of OJ-94 Project was carried out by Cholonievski method. It is found that within each season the variability may be explained by the existence of single additional source of radiation with variable flux but unchanged spectral shape. The source has power-law spectrum but spectral indexes are different for different seasons.
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