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Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: Evolution to the end of core helium burning
Samuel Jones, Raphael Hirschi, Marco Pignatari +5
Massive stars are key sources of radiative, kinetic, and chemical feedback in the universe. Grids of massive star models computed by different groups each using their own codes, in…
The impact of mass-loss on the evolution and pre-supernova properties of red supergiants
G. Meynet, V. Chomienne, S. Ekström +7
The post main-sequence evolution of massive stars is very sensitive to many parameters of the stellar models. Key parameters are the mixing processes, the metallicity, the mass-los…
Combining observational techniques to constrain convection in evolved massive star models
C. Georgy, H. Saio, G. Meynet
Recent stellar evolution computations indicate that massive stars in the range ~ 20 - 30 Msun are located in the blue supergiant (BSG) region of the Hertzsprung-Russell diagram at…
Stability boundaries for massive stars in the sHR diagram
Hideyuki Saio, Cyril Georgy, Georges Meynet
Stability boundaries of radial pulsations in massive stars are compared with positions of variable and non-variable blue-supergiants in the spectroscopic HR (sHR) diagram (Langer &…
Rotation and the Cepheid Mass Discrepancy
Richard I. Anderson, Sylvia Ekström, Cyril Georgy +3
We recently showed that rotation significantly affects most observable Cepheid quantities, and that rotation, in combination with the evolutionary status of the star, can resolve t…
Populations of rotating stars III. SYCLIST, the new Geneva Population Synthesis code
Cyril Georgy, Anahi Granada, Sylvia Ekström +5
(abridged) We present a new tool for building synthetic colour-magnitude diagrams of coeval stellar populations. We study, from a theoretical point of view, the impact of axial rot…