Open Access

Fig. B.3

image

Comparison between our s1d-based CCF computation and the automatic (e2ds-based) DRS CCF computation (see text). For each plot, the data that we obtain from the cross-correlation of the δ Cep HARPS-North (1D) spectra with the G2 template adapted to our green wavelength range (see Sect. 4.5.2) are plotted against the corresponding observables retrieved from the available DRS data (automatically produced from the 2D spectra and the default G2 template). From top to bottom and left to right: Gaussian vrad, Gaussian FWHM, CCF BIS, and CCF depth.

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