Fig. 3
Star pile g′ luminosity profile. The blue dotted line is the Sérsic fit to the nucleus, while the green dashed line is a fit to the extended star pile. The red solid line is the sum of both. The pink dot-dashed line is the Sérsic+exponential model. The radius is the semi-major axis of the fitted ellipses. The vertical dotted line delimits the inner 1″ that was excluded from the fit.
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