Fig. 20
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Summary of the time series to show the main variation results. From top to bottom, we show the V-band, R – I colour index, the effective temperature, the RVrest variation of the Ti I line at 6261.1 A and the TIGRE SII_MWO, the 
, and the ratio between the absolute Mg II h&k line flux and the MUV flux in 2400–2700 Å shown in Dupree et al. (2020).
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