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Fig. 4
Stellar parameters and chemical abundances against V magnitude for the 9 comparison stars in the M 15 sample. The values from C09, W13, S97, S00a, S00b, O06 and Sk11 are shown: a) Teff; b) log g; c) ξ; d) [Fe/H]; e) [Ca/H]; f) [Ni/H]; g) [Ba/H]; and g) [Eu/H].
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