Fig. 7.
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Observed spectra for the Ba II line at 585.3668 nm. The thick blue line shows the giant star from the Hyades cluster used as a reference for the differential analysis, and the dashed grey line shows the solar spectrum analysed from MIKE. The red clump giants from UBC 274 correspond to the orange, green, red, and pink lines, and the sub-giants are in brown and violet.
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