Open Access

Fig. 6

image

Normalised δ Cep CCFs (top left plot) and main observables phased along the pulsation period, colour-coded with the phase ϕ, based on δ Cep HARPS-North spectra cross-correlated with our ALL template on our green range. On the bottom left plot, δRV denotes the difference between our Gaussian (RVcc-g) and biGaussian (RVcc-2g) vrad. Measurements are displayed as coloured dots and interpolated spline curves as red solid lines, if any.

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