Abstract
Photometric intergrated colours (UBVRI+UV selected bands) of elliptical galaxies are theoretically evaluated, accounting for stellar populations of different metal abundance (0.00001≤Z≤0.04). The contribution of different evolutionary phases (from M.S. up to Post-A.G.B.) to the integrated fluxes in the various photometric bands is computed. An explanation for the UV-excess in elliptical galaxies and of its dependence on the metallicity (Mg2) and mass is also suggested.
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Brocato, E., Matteucci, F., Mazzitelli, I. et al. Synthetic integrated fluxes and colours for elliptical galaxies. Astrophys Space Sci 156, 159–167 (1989). https://doi.org/10.1007/BF00646360
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DOI: https://doi.org/10.1007/BF00646360