Evolution of the average abundance of the cluster sample (C1 – purple dots, C2 – orange squares, C3 – green diamonds, C4 – red triangles) recovered via XSPEC as a function of the redshift between 0–0.3 R500 (left) and 0.3–1 R500 (right). From top to bottom: oxygen, magnesium, silicon and iron abundances with respect to solar. The dashed lines represent the profile of the emission-measure-weighted input abundances using the same colours. The cyan (resp. magenta) shaded envelope represents the ±1σ dispersion of the output metallicity over the sample. Points are slightly shifted for clarity.
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