Activity time series of old stars from late F to early K - III. Diagnosis from photometry

Open Access

Fig. 9

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RV jitter vs. R_per (binned), for 19 spectral types (color code similar to Fig. 1), for ΔTspot₁ (left) and ΔTspot₂ (right). Upper panels: RV jitter due to spots and plages. Lower panels: full RV jitter (activity, oscillation+granulation+supergranulation averaged over six hours, 0.6 m/s white noise).

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