Chemical evolution of late-type dwarf galaxies

Details Chemical evolution of late-type dwarf galaxies Chemical evolution of late-type dwarf galaxies

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005assl..329p..67r&link_type=abstract

Starbursts: From 30 Doradus to Lyman Break Galaxies, Held in Cambridge, UK, 6-10 September 2004. Edited by R. de Grijs and R.M.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Thanks to the capabilities of modern telescopes and instrumentation, it is now possible to resolve single stars in external dwarf galaxies, provided they are bright enough. For galactic regions with deep enough photometry, detailed colour-magnitude diagrams are constructed, from which the star-formation history and the initial mass function can be inferred by comparison with synthetic diagrams. Both the star-formation history and the initial mass function are free parameters of galactic chemical evolution models. In this contribution we show how constraining them through high-resolution photometry allows us, in principle, to better understand the mechanisms of dwarf galaxy formation and evolution.

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