Top: spatial variations of the estimated physical parameters. From left to right: centroid velocity, velocity dispersion, excitation temperature, column density, and line opacities. Bottom: spatial variations of the relative precisions. From left to right: relative precision on the centroid velocity, velocity dispersion, excitation temperature, column density, and line peak S/N. The black contours on the peak-signal-to-noise-ratio image delimit the regions where . On all images, red contours delimit the regions where the relative precision is better than 20% for all estimated parameters, and white contours delimit regions where two components have been estimated. In this lattercase, the images only show the estimation that is the closest (in terms of centroid velocity ΔV) to its neighboring pixels.
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