Comparing six evolutionary population synthesis models

Astronomy and Astrophysics – Astronomy

Scientific paper

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Galaxies: Abundances, Galaxies: Evolution, Galaxies: Spiral, Galaxies: Stellar Content

Scientific paper

We compare six evolutionary population synthesis (EPS) models, which have been popularly used in stellar populations analyses for galaxies. The resulted stellar populations of star-forming galaxies and E+A galaxies from these EPS models show that the dominated contribution (fraction) from young, intermediate and old populations to their lights are consistent, although the individual numbers may change significantly, 3-30%, which could relate to the different ingredients in EPS models, such as the stellar library, the stellar evolution tracks etc.

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