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Fig. 8


Top panels: maps across the field of view of maximum blueshifted velocity (v05), maximum redshifted velocity (v95), and line width (w80). Blue-(red) shifted velocities as high as Vmax,blue ~ −1400 km s-1 (Vmax,red ~ + 1100 km s-1) are found at distances as high as 4 kpc from the centre (indicated with a cross). Central panels: SINFONI [O III]5007 maps of the blue (−1200 ÷ −600 km s-1), red (600 ÷ 1200 km s-1), and total [O III] flux (all scales are in units of 10-15 erg cm-2 s-1). In the last panel we also plot as a reference the N-E direction, the J-band PSF, and the 0.4′′ and 1′′ diameter regions around the nucleus (sse Sect. 4.1 and 4.2). Bottom panels: SINFONI J-band spectra of the [O III]5007 line extracted from three regions of the size of the PSF at the position of the nucleus (black line; from the black circle in the total flux map), of the region with maximum Vmax,red values (red line; from the red circle in the red wing panel), of the region of maximum Vmax,blue values (blue line; from the blue circle in the blue wing panel), and at the position of the plume (green line; from the green circle in the total flux map). The shaded regions show the wavelength ranges over which the blue and red wing flux maps have been collapsed.

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