(a) Spatially resolved map of the stellar mass surface density for F0083, with all external objects masked out. We overlay the half-mass radius and the contour we define as encompassing the central disc in dashed and dotted lines, respectively. (b) Radial profile of the stellar mass surface density, as a function of the semi-major axis length. Points are coloured according to the quadrant in which they lie. We also show the median profile, averaged in ten radial bins.