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NuGrid stellar data set I. Stellar yields from H to Bi for stars with metallicities Z = 0.02 and Z = 0.01
M. Pignatari, F. Herwig, R. Hirschi +16
We provide a set of stellar evolution and nucleosynthesis calculations that applies established physics assumptions simultaneously to low- and intermediate-mass and massive star mo…
Evolution and fate of very massive stars
Norhasliza Yusof, Raphael Hirschi, Georges Meynet +6
There is observational evidence that supports the existence of Very Massive Stars in the local universe. First, very massive stars (Mini<=320 M) have been observed in the Large Mag…
The s-process in the Galactic halo: the fifth signature of spinstars in the early Universe?
Gabriele Cescutti, Cristina Chiappini, Raphael Hirschi +2
Very old halo stars were previously found to show at least four different abundance 'anomalies', which models of fast rotating massive stars (spinstars) can successfully account fo…