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Metallicity Gradients - Mass Dependency in Dwarf Elliptical Galaxies
M. Koleva, Ph. Prugniel, S. De Rijcke +2
The formation and evolution of galaxies is imprinted on their stellar population radial gradients. Two recent articles present conflicting results concerning the mass dependence of…
Formation and Evolution of Dwarf Elliptical Galaxies - II. Spatially resolved star-formation histories
Mina Koleva, Sven De Rijcke, Philippe Prugniel +2
We present optical VLT spectroscopy of 16 dwarf elliptical galaxies (or dEs) comparable in mass to NGC 205, and belonging to the Fornax cluster and to nearby groups of galaxies. Us…
ULySS: A Full Spectrum Fitting Package
Mina Koleva, Philippe Prugniel, Antoine Bouchard +1
Aims. We provide an easy-to-use full-spectrum fitting package and explore its applications to (i) the determination of the stellar atmospheric parameters and (ii) the study of the…