Evolutionary self-consistent models of HII galaxies

Details Evolutionary self-consistent models of HII galaxies Evolutionary self-consistent models of HII galaxies

2007-01-26

arxiv.org/abs/astro-ph/0701757v1

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures, contribution to the VII spanish astronomical society scientific meeeting (Barcelona, Spain)

Scientific paper

We have studied the viability of new theoretical models which combine a chemical evolution code, an evolutionary synthesis code and a photoionization code, to understand the star formation and evolution of H{\sc ii} galaxies. The emission lines observed in H{\sc ii} galaxies are reproduced by meas of the photoionization code CLOUDY, using as ionizing spectrum the spectral energy distribution of the modeled H{\sc ii} galaxy, which, in turn, is calculated according to a Star Formation History (SFH) and a metallicity evolution given by a chemical evolution model. Our technique reproduces the observed diagnostic diagrams and equivalent width-color correlations for local H{\sc ii} galaxies.

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