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Paper: Binary Black Hole Model for the OJ 287 Periodic Optical Outbursts
Volume: 373, The Central Engine of Active Galactic Nuclei
Page: 245
Authors: Shi, W.; Liu, X.
Abstract: Recent observations provide strong evidence for the BL Lac object OJ 287 exhibiting a periodicity with a double-peaked maxima in its optical flux variations. Several models have been proposed for the optical behavior. The 2005 November outburst in OJ 287 gives us a surprising result since calculation based on the periodicity was predicting such an outburst in late 2006. Here we suggest a new model, it can explain the optical quasi-periodic behavior.
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