Fig. A.2

Mean resolution of the MILES library. The red line and symbols present the mean resolution of the updated version of the library (v9.1) as a function of the wavelength, and the grey line is for the original version (v9.0). The top panel shows the FWHM resolution, and the bottom panel indicates the instrumental velocity dispersion, σins (FWHM = 2.355λσins/c, where λ is the wavelength and c is the speed of light).
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