Fig. 7.
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Left column: Velocity field and velocity dispersion map of Hα emission line. The velocity dispersion is determined by enforcing single Gaussian profile fitting. Right column: Emission line profiles of [O III]λ5007, Hα, [N II]λλ6548,6584, and [S II]λλ6717,6731 of the four regions with the highest velocity dispersion, as indicated in the left panels. The dashed curves overplotted on the line profiles represent the best fit with either single or double Gaussian components. The velocity scale (in km s−1) for each spectral line profile is indicated in the right panels.
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