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Fig. 2

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Fit of the averaged spectrum (black line) in the spatial bin at −19.9″ (top panel) and + 21.9″ (bottom panel) from the galaxy center. The best-fitting model (magenta line) is the sum of the spectra of the ionized-gas component (cyan line) and the two stellar components (blue and red lines). The normalized flux of the fit residual (green line) has a false zero point for viewing convenience. The double peaked absorption lines are evident in the averaged spectra.

This figure is made of several images, please see below:

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