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Fig. 10

image

Fromleft to right: Position-velocity diagrams of Hα, [O III] and [NII] emission lines orientated at PA = 130°, which is along the kinematic major axis (and the ionization cone). We note that the spectra are continuum subtracted. Colours and contours denote flux (erg cm−2 s−1−1) following the colour bar above each panel. The corresponding rotation curves obtained from the single Gaussian fit (see Sect. 3.3) are superimposed in red circles. The solid black line indicates the zero velocity (Vsys = 3731 km s−1), the dashed horizontal lines denotes velocities of ±100 km s−1, and the dashed vertical lines indicates offsets of ±1′′ from the nucleus. The colour bar above each panel indicates the integrated flux. Contours are in powers of to trace both the faint and strong emission structure.

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