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The Last Stages of Star Formation in dEs?

Lisker, T. ; Glatt, K. ; Westera, P. ; Grebel, E. K.

In: Proceedings of the International Astronomical Union, 2006, vol. 2, no. S235, p. 317-317

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    Titre
    • The Last Stages of Star Formation in dEs?
    Auteur
    • Lisker, T.. Astronomical Institute, Dept. of Physics and Astronomy, University of Basel, Switzerland
    • Glatt, K.. Astronomical Institute, Dept. of Physics and Astronomy, University of Basel, Switzerland
    • Westera, P.. Astronomical Institute, Dept. of Physics and Astronomy, University of Basel, Switzerland
    • Grebel, E. K.. Astronomical Institute, Dept. of Physics and Astronomy, University of Basel, Switzerland
    Type de document
    • Postprint
    Langue
    • Inglese
    Publié dans
    • Proceedings of the International Astronomical Union, 2006, vol. 2, no. S235, p. 317-317. Cambridge University Press
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:304164
    Summary
    A significant fraction of Virgo cluster early-type dwarf galaxies have blue central colours caused by recent or ongoing star formation. A spectral analysis shows that even in their centers, stellar mass is dominated by an old population. These galaxies are an unrelaxed cluster population that possibly formed from morphological transformation of late-type galaxies