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Fig. 3.

Residual between the EWs in the EW library and that obtained from the GCOG library, expressed in abundance dex for lines with EW > 1 mÅ for three different atmosphere parameters. Red crosses, gray points, and blue triangles represent the EWs for the abundances [El/M] = +0.2, 0.0, and −0.2 dex, respectively.
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