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Fig. 9.

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Relative light contribution of the main galaxy at the location of Nucleus 2. Left: relative light contribution of the main galaxy shown as radial profile from the center of Nucleus 2: blue line is based on the individual light profiles, and once orange line is the relative contribution of old stellar population templates in the fits. The back vertical line marks the half-light radius of Nucleus 2. Right: velocity dispersion derived with pPXF from spectra that contain increasing relative amounts of galaxy light. The green shaded region marks the relative contribution range we expect within the half light radius of Nucleus 2.

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