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A Variability Study of Long-term Optical Data of OJ 287
2012
Proceedings of the International Astronomical Union
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In this paper, we investigated the possible exponential decays in the long term optical light curve of the BL Lac {OJ 287}. We developed a method that can be used to decomposing a light curve into a linear combination of exponential decays. The decomposing shows that the decay time scales range from ~ 103.6 to ~ 10−4 days. The power spectra has frequency-dependent power-law with slop ~ 0.5, and the peak of power is at the time scale of decay on ~ 160 days.
doi:10.1017/s1743921312019953
fatcat:t2pubyqcy5bzvk5uhddrjbc5wm