Fig. 5.
Left: Ca Triplet region of the MUSE spectrum. The PPXF fit using the Ca Triplet library shown in red. Right: distributions of velocity dispersions using a MC approach with 1000 realizations of the spectrum. The 433 fits that returned zero are shown in the grey bar. The solid line gives the mean of the distribution after removing the runs that returned zero. The dotted line gives the upper 1σ deviation.
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