Fig. 15

Velocity field of the H i emission of VV124 (colourscale, heliocentric velocity in units of km s-1) with overlaid the contours of the total H i (same contour levels as in Fig. 14). The superposed blue ellipses are centered on the optical center, has ϵ = 0.44 and have the semi-major axis equal to the optical effective radius (inner ellipse) and a = 2′, corresponding to the μr = 26.0 mag/arcsec2 isophote.
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