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Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era
C. Charbonnel, N. Lagarde, G. Jasniewicz +7
Lithium is extensively known to be a good tracer of non-standard mixing processes occurring in stellar interiors. We present the results of a new large Lithium survey in red giant…
The Search for Living Worlds and the Connection to Our Cosmic Origins
M. A. Barstow, S. Aigrain, J. Barstow +24
One of the most exciting scientific challenges is to detect Earth-like planets in the habitable zones of other stars in the galaxy and search for evidence of life. The ability to o…
Supermassive stars as the origin of the multiple populations in globular clusters
Mark Gieles, Corinne Charbonnel
Globular clusters (GCs) display anomalous light element abundances (HeCNONaMgAl), resembling the yields of hot-hydrogen burning, but there is no consensus yet on the origin of thes…
Stellar Physics with High-Resolution UV Spectropolarimetry
Julien Morin, Jean-Claude Bouret, Coralie Neiner +26
Current burning issues in stellar physics, for both hot and cool stars, concern their magnetism. In hot stars, stable magnetic fields of fossil origin impact their stellar structur…
Evolution of rotation in rapidly rotating early-type stars during the main sequence with 2D models
D. Gagnier, M. Rieutord, C. Charbonnel +2
The understanding of the rotational evolution of early-type stars is deeply related to that of anisotropic mass and angular momentum loss. In this paper, we aim to clarify the rota…
Critical angular velocity and anisotropic mass loss of rotating stars with radiation-driven winds
D. Gagnier, M. Rieutord, C. Charbonnel +2
The understanding of the evolution of early-type stars is tightly related to that of the effects of rapid rotation. For massive stars, rapid rotation combines with their strong rad…