Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...461..176c&link_type=abstract
Astrophysical Journal v.461, p.176
Astronomy and Astrophysics
Astronomy
14
Galaxies: Photometry, Galaxies: Stellar Content
Scientific paper
Integrated colors of a sample of low surface brightness (LSB) dwarf galaxies in the Fornax cluster, obtained from CCD images in the Washington system, are analyzed. This System proves useful to, under certain conditions, disentangle the effects of age and metallicity in a color-color diagram. A comparison with synthetic colors of simple stellar systems of known age and metallicity shows that nearly half the dwarfs have colors that can only be reproduced by a mixture of stars including a moderately young (~10^8^ yr) population. In particular, one of the galaxies shows evidence of recent or current star formation.
Cellone Sergio A.
Forte Juan Carlos
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