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Fig. 1


High-resolution (R ~ 38 000) UVES spectrum of KN Cen and TV CMa. The apparent visual magnitude and the S/N in the spectral range λ ~ 5650−7500 Å are also labeled. The vertical dashed lines display some of the spectral lines (Na i 6154.23, Si i 6155.14, Na i 6160.75, Ca i 6166.44 Å) adopted to estimate the abundances.

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