Fig. 4.
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Spectroscopically confirmed GCs in M 81 (Nantais & Huchra 2010) and NGC 5128 (Woodley et al. 2009) combined with Taylor et al. (2015) and Gaia catalogues. The AENs and BRexcess as a function of the G magnitudes are shown in the upper and bottom panels, respectively. Blue points represent GCs at ≤10 kpc from the galaxy centre while black points, those GCs at ≥10 kpc. The red curve defines 3σ above the mean foreground stars.
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