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Paper: How Unique Is the Local Group? A Comparison to the Nearby Centaurus A Group
Volume: 458, Galactic Archaeology: Near-Field Cosmology and the Formation of the Milky Way
Page: 321
Authors: Crnojević, D.; Grebel, E. K.; Ferguson, A. M. N.; Cole, A. A.; Koch, A.; Rejkuba, M.; Da Costa, G.; Jerjen, H.; Irwin, M. J.
Abstract: The Local Group (LG) is the closest and thus most accessible place for seeking detailed information about the assembly and evolutionary history of dwarf and giant galaxies. However, in order to gain a broader and more complete view on these processes, we must step outside its boundaries and investigate different environments. The CenA/M83 group is a nearby (D∼4 Mpc) dense complex dominated by a giant elliptical and a giant spiral, hosting more than 60 dwarf companions with a variety of morphological types and stellar contents. We study the resolved stellar populations of CenA and several satellite dwarf galaxies using optical and near-infrared data from space and ground based telescopes. In this contribution we outline the results from the analysis of their colour-magnitude diagrams (CMDs).
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