726 citations · 4.2k across the 76 of their papers we have counts for
9 papers · 1 filter
Supergiant GCIRS 22 in the Milky Way Nuclear Star Cluster: Revised alpha abundances
B. Thorsbro, S. Khalidy, R. M. Rich +7
Context: The chemical abundances of alpha-elements in Galactic Centre (GC) supergiants provide key insights into the chemical enrichment and star formation history of the Milky Way…
The solar sulphur abundance in view of large-scale atomic structure calculations and 3D non-LTE models
A. M. Amarsi, W. Li, N. Grevesse +1
The solar chemical composition is a fundamental yardstick in astrophysics and the topic of heated debate in recent literature. We re-evaluate the abundance of sulphur in the photos…
The peculiar composition of the Sun is not related to giant planets
M. Carlos, A. M. Amarsi, P. E. Nissen +1
Highly-differential spectroscopic studies have revealed that the Sun is deficient in refractory elements relative to solar twins. To investigate the role of giant planets on this s…
Influence of the magnetic activity cycle on mean density and acoustic radius inversions
Jérôme Bétrisey, Daniel R. Reese, Sylvain N. Breton +4
Asteroseismic modelling is crucial for upcoming missions like PLATO, CubeSpec, and Roman. Despite significant progress, discrepancies between observations and theoretical predictio…
Revisiting inelastic Cu+H collisions and the non-LTE Galactic evolution of copper
S. Caliskan, A. M. Amarsi, M. Racca +4
The Galactic evolution of copper remains poorly understood, partly due to the strong departures from local thermodynamic equilibrium (LTE) affecting Cu I lines. A key source of unc…
The metal-poorest tail of the Galactic halo: hypothesis on its origin from precise spectral analysis
Riano E. Giribaldi, Laura Magrini, Martina Rossi +3
The origin of the Galactic halo is one of the fundamental topics linking the study of galaxy formation and evolution to cosmology. We aim at deriving precise and accurate stellar p…