Fig. 2.

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Representative example of the time series photometric analysis, where the color gradient marks the density of the points. Left: LBV candidate [ST92] 4-13 δm − δt histogram computed using OGLE-IV data, with the δm levels of 0.08 (10σ) and 0.1 mag marked. Right: Same as the left, but for the known LBV HD 269216, computed from Gaia multi-epoch photometry.
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