Evolutionary tracks and isocontours of masses as function of the temperature and absolute magnitude J as evaluated in BAHC 2015 The blue squares are the observed absolute magnitudes of HD 142527B corrected for the contribution due to the circum-secondary disk, and the black square is their mean with error bars. The arrow qualitatively indicates how the isochrone system would change with respect to the observed points if the accretion process is taken into account in the models.