Fig. 8
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Dates of the flux density maxima of the maser spectral features at 6.7 GHz at the first (red) and second (blue) flare events in 2011 and 2019, respectively. The symbol sizes are proportional to the logarithm of the flux density and the vertical bars indicate the fivefold standard error of the peak flare time maxima. The dashed lines denote the best fits to the data.
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