Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-07-03
Astron.Astrophys.408:523-528,2003
Astronomy and Astrophysics
Astrophysics
8 pages, 6 figures
Scientific paper
10.1051/0004-6361:20031000
I present optical observations of the Blue Compact Dwarf Galaxy UM 462. The images of this galaxy show several bright compact sources. A careful study of these sources has revealed their nature of young Super Star Clusters. The ages determined from the analysis of the stellar continuum and $H\alpha$ are between few and few tens Myr. The total star formation taking place into the clusters is about 0.05 $\mathrm{M_{\odot}/yr}$. The clusters seem to be located at the edges of two large round-like structures, possibly shells originated in a previous episode of star formation. The sizes of the shells compare well with the ages of the clusters. Evidence for the presence of an evolved underlying stellar population is found.
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