The Evolution of Evolved Galaxies

The plethora of high redshift multifrequency surveys currently under way, that were extensively illustrated at this meeting will shortly provide us with a sequence of “fossil” galaxies, eventually disclosing the secret of their evolution, much as fossil organisms guided paleontologists tracing the evolution of species. Meanwhile we wish to remind to both theorists and to observers that the characterization of local galaxies, representing the boundary condition at z=0 of any evolutionary model, is not yet fully achieved. With this purpose we conceived an extensive observational campaign aimed at providing the phenomenology of local galaxies in the broadest possible frequency range. We took observations and collected data from the literature for over 3600 local (z<0.03) galaxies, mainly members to rich clusters, spending a large effort in making the literature data as homogeneous as possible with our own. The data cover the range from 2000 Å (UV) to the centimetric radio domain. The Web site “GOLDmine” (Galaxy On Line Database Milano Network) [10] is designed to provide world-wide access to this massive data-set on local galaxies.

Authors and Affiliations

1. Università degli Studi di Milano - Bicocca, P.zza delle scienze 3, 20126 Milano, Italy

   Giuseppe Gavazzi

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