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Fig. 3

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Example of CO absorption line spectra (black) of a Voronoi bin of the full data cube (upper spectrum), a Voronoi bin of the cleaned data cube (middle spectrum) and of a single star (lower spectrum). The red lines are the ppxf-fits to the data. The blue regions are not fitted, as there is a strong telluric absorption line in this wavelength region. Green dots are the residuals of the fits. The fluxes of the spectra are scaled for this plot.

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