English

Evolution of star forming dwarf galaxies: Characterizing the star formation scenarios

Cosmology and Nongalactic Astrophysics 2015-06-03 v1

Abstract

We use the self-consistent model technique developed by Mart\'in-Manj\'on et al. (2008) that combines the chemical evolution with stellar population synthesis and photo-ionization codes, to study the star formation scenarios capable of reproducing the observed properties of star-forming galaxies. The comparison of our model results with a database of HII galaxies shows that the observed spectra and colors of the present burst and the older underlying population are reproduced by models in a bursting scenario with star formation efficiency involving close to 20 per cent of the total mass of gas, and inter-burst times longer than 100 Myr, and more probably around 1 Gyr. Other modes like gasping and continuous star formation are not favored.

Keywords

Cite

@article{arxiv.1111.1925,
  title  = {Evolution of star forming dwarf galaxies: Characterizing the star formation scenarios},
  author = {M. L. Martín-Manjón and M. Mollá and A. I. Díaz and R. Terlevich},
  journal= {arXiv preprint arXiv:1111.1925},
  year   = {2015}
}

Comments

18 pages, 10 figures, to be published in MNRAS