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Modeling low mass stellar populations

Published online by Cambridge University Press:  30 October 2019

Gustavo Bruzual ,
Gladis C. Magris  and
Fabiola Hernández-Pérez
Gustavo Bruzual
Affiliation:
Instituto de Radioastronomía y Astrofísica, IRyA, UNAM, Morelia, México email: [email protected]
Gladis C. Magris
Affiliation:
Centro de Investigaciones de Astronomía, CIDA, Mérida, Venezuela email: [email protected]
Fabiola Hernández-Pérez
Affiliation:
Universidad de Los Andes, Mérida, Venezuela email: [email protected]
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Abstract

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Modeling low mass stellar populations, like clusters and dwarf galaxies, with population synthesis models requires that we evaluate the role played by stochastic fluctuations in the sampling of the IMF on the spectro-photometric properties of these sparse populations. Interacting binaries may also modify the integrated spectra of these systems depending on the final product of the binary interaction and on the frequency of binary stars. In this work we compare the relative importance of stochastic fluctuations and binary evolution on low mass galaxy properties as a function of the population age and total mass. In most cases the effects of stochastic fluctuations dominate those produced by binary interactions. We explore and quantify the relative importance of these effects through cosmic times.

Keywords

galaxies: dwarfgalaxies: stellar contentgalaxies: fundamental parametersbinaries
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S344: Dwarf Galaxies: From the Deep Universe to the Present , August 2018 , pp. 211 - 212
Copyright
© International Astronomical Union 2019 

References

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