Fig. 4.

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Left: image of the whole sample of GCs (dark gray) and 887 bright PNe (light gray) in RA vs. Dec with the galaxies overplotted as black triangles. Right: GCs (dark gray) and PNe (light gray) in the phase space. The lines correspond to the mean velocity of the particles (solid line, dark red for the GCs and light red for the PNe), to the velocity dispersion at 1σ (dotted line), and to the velocity dispersion at 2.5σ (point-dotted line).
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