Rep ort by the ESA-ESO Working Group on Galactic p opulations, chemistry and dynamics Abstract Between the early 40s, when Baade showed the first evidence for the existence of two distinct stellar populations, and today, with our Galaxy surprising us with new substructures discovered almost on a monthly basis, it is clear that a remarkable progress has been achieved in our understanding of the Galaxy, of its structure and stellar populations, and of its chemical and dynamical signatures. Yet, some questions

... Printed in the U.S.A. LENTICULAR GALAXIES AT THE OUTSKIRTS OF THE LEO II GROUP: NGC 3599 AND NGC 3626 O. K. Sil'chenko1 1 3 ,2 ,4 , A. V. Moiseev3 , and A. P. Shulga1 Sternberg Astronomical Institute, Moscow 119992, Russia; olga@sai ... moisav@gmail.com Received 2010 January 19; accepted 2010 August 14; published 2010 October 15 ABSTRACT We have studied unbarred S0 galaxies , NGC 3599 and NGC ... Figure 3 shows the LOS velocity fields for the stars and for the ionized gas in NGC...