U, V, and W recalculated velocities for the possible members of the Ursa Major MG. For a full explanation on the final selection criterion, we refer the reader to Sect. 5. The big black cross indicates the U, V, and W central location of the Ursa Major MG (see King et al. 2003). Dashed lines show the region where the majority of the young disk stars tend to be according to Eggen (1984, 1989). The meaning of the symbols is the same as in Fig. 5.