Gustavo Bruzual
Stellar population synthesis models including binary stars
I will review the role of interacting massive binary stars on the spectrophotometric properties of stellar populations as a function of age and metallicity predicted by synthesis models. The most relevant differences with respect to single star models occur in the ultraviolet, including the number of H and He ionizing photons. This spectral range is now observable with JWST in distant galaxies and the use of appropriate models is fundamental for the correct interpretation of these observations.
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Wednesday
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Stellar population synthesis models including binary stars
