Fig. 4
Comparison between the Vr estimated from spectra obtained with HR10 and other GIRAFFE setups. Different colours correspond to different clusters: M 15 (red), NGC 4372 (light blue), NGC 4833 (apricot), NGC 6752 (grey), NGC 1851 (green), NGC 2808 (ivory), and NGC 5927 (light green). The dotted lines indicate the mean difference.
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