Fig. 20.
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Relationship between Fe and Eu abundances for r-I and r-II stars. Left panel: Eu abundances versus Fe for r-I stars. Right panel: Eu abundances versus Fe for r-II stars. The PCC values of 0.66 and 0.64, corresponding to the displayed r2’s underline a moderate correlation for both star types. The determined mean Eu/Fe ratios will be utilized in Sect. 6.3.2.
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