Spatial distribution of stars. Top panel: Fornax stars, the large shaded blue circles correspond to the VLT/FLAMES observations of Letarte et al. (2010) (upper) and of Lemasle et al. (2014) (lower). Bottom panel: Carina stars. The large shaded green circle corresponds to the VLT/FLAMES observations of Lemasle et al. (2012), the green triangles are from Koch et al. (2008); the other symbols are same as in Fig. 1. The ellipses indicate the tidal radius of Fornax and Carina, respectively.