Abstract
We have studied the variability of S5 0716+714 at radio 15 GHz and \(\gamma\)-ray band using three different methods. A possible periodicity of \(P_{15~\text{GHz}}=266.0\pm11.5\) and \(P_{\gamma}=344.0 \pm16.4\) days are obtained for radio 15 GHz and \(\gamma\)-ray light curves, respectively. The variability may be related to the intrinsically emission mechanism. The difference between the variability timescales of radio 15 GHz and \(\gamma \)-ray may be due to that the emission of radio 15 GHz is produced via the synchrotron process, while the \(\gamma\)-ray is produced by both the SSC and EC processes.
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Acknowledgements
We are grateful to the anonymous referee for useful comments. This work made use of data supplied by Fermi Gamma-Ray Space Telescope project, and the Owens Valley Radio Observatory 40 m monitoring programme, which is supported in part by NASA grants NNX08AW31G and NNX11A043G, and NSF grants AST-0808050 and AST-1109911 (Richards et al. 2011). This work is supported by the National Natural Science Foundation of China (11403015, 11463001, U1531105), and the Natural Science Foundation of Yunnan Province (2013FB063), and the Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province (IRTSTYN), and the Open Projects of Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences (OP201505), and the Young Teachers Program of Yuxi Nurmal University.
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Li, H.Z., Jiang, Y.G., Yi, T.F. et al. The radio and \(\gamma\)-ray variability analysis of S5 0716+714. Astrophys Space Sci 363, 45 (2018). https://doi.org/10.1007/s10509-018-3256-7
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DOI: https://doi.org/10.1007/s10509-018-3256-7