Fig. 9.
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Globular cluster metallicities as a function of galactocentric distance. Different coloured dots indicate metallicities from different instruments. Smaller back dots refer to metallicities from Alves-Brito et al. (2011). In case multiple metallicities are available, preference is given to OSIRIS over MUSE over FLAMES. The cyan dashed line shows the mean metallicity profile. The black line shows the metallicity of the stellar disc.
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