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  • Analysis of the optical and γ-ray flux monitoring of the blazar BL Lacertae during its outburst in 2020 shows the existence of quasi-periodic oscillations in the relativistic jet with cycles as short as 13 h.

    • S. G. Jorstad
    • A. P. Marscher
    • R. Chatterjee
    Research
    Nature
    Volume: 609, P: 265-268