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The Star Formation History in Nearby Dwarf Galaxies: the Fossil Record in the Color-Magnitude Diagram

Published online by Cambridge University Press:  25 May 2016

A. Aparicio
A. Aparicio*
Affiliation:
Instituto de Astrofísica de Canarias, E38200 La Laguna, Tenerife, Canary Islands, Spain

Abstract

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Dwarf galaxies may play a key role in the formation and evolution of bigger systems. This makes knowing how they form and evolve and, in particular, how their star formation histories (SFHs) have proceeded since their birth, a topic of major interest. For nearby galaxies, the color-magnitude diagram (CMD) contains stars formed over all their lifetime. It is hence a fossil record of their SFHs. The analysis with synthetic CMDs provides a powerful tool to retrieve them.

In this paper, I discuss the critical issues related to the computation of synthetic CMDs, present a short summary of the currently available results for the SFH extending the full life of galaxies and make a few critical considerations about the powerfulness and draw-backs of the method.

Type
Part 3: Star Formation Processes and Chemical Evolution
Information
Symposium - International Astronomical Union , Volume 192: The Stellar Content of Local Group Galaxies , 1999 , pp. 304 - 318
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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