Radial distribution of the detection limits. On the left, blue graphs display contrast as a function of the angular distance in milliarcseconds, this expresses the performance of the detection. On the right, green graphs display estimated mass detection limits (according to the BT-Settl model) as a function of separation in AU. In order to keep track of the azimuthal variation, the lower thick line represents the minimum value found at a given radial distance r, while upper thin line is the maximum value. Black dots represent companion within the known planetary systems.