Observations of stars with similar spectral characteristics are linkted to theoretical evolutionary phases of single stars and of binaries. We investigate how to calculte theoretical fractions of stars with similar characteristics and we discuss the influence of physical parameters that critically affect the theoretical predictions. The predictions are then compared to the most recent observations. Finally, we discuss how the various types of stars and stellar populations affect the evolution of galaxies (chemical evolution) and we distinguish elliptical galaxies (single starburst galaxies) and spiral galaxies where starformation proceeds continuously in time.
ALGEMENE COMPETENTIES
To acquire sufficient knowledge in order to start a masterthesis or a PhD within the research group of the Theoretical Astrophysics of the Vrije Universiteit Brussel. Indeed, the main research subject of the group is the study of large groups of stars, how they evolve, how they contribute to the overal evolution of galaxies.