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astro-ph2001
Wide Field HR diagrams of Local Group Dwarf Galaxies
L. Rizzi, E. V. Held, I. Saviane +3
We present new observations of Sextans and Leo I dwarf galaxies, that provide new insight on their stellar populations. The large sample of stars measured in Sextans allowed us to…
astro-ph2001
Population gradients in nearby dwarf galaxies
Ivo Saviane, Enrico V. Held, Yazan Momany +1
Recent results on the detection of substructure in dwarf spheroidal galaxies are discussed. In most cases they show that, when a galaxy experiences multiple SF episodes, the interm…