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- Galaxies, Etoiles, Physique et InstrumentationFR2 papers
- Marie CurieGB2 papers
- Centre National de la Recherche ScientifiqueFR1 paper
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- Délégation Paris 7FR1 paper
- Instituto de Astrofísica de CanariasES1 paper
- Kavli Institute for the Physics and Mathematics of the UniverseJP1 paper
- Leibniz Institute for Astrophysics PotsdamDE1 paper
- National Institute for AstrophysicsIT1 paper
- Observatoire de ParisFR1 paper
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4 papers · 1 filter
The solar photospheric abundance of hafnium and thorium. Results from CO5BOLD 3D hydrodynamic model atmospheres
Elisabetta Caffau, L. Sbordone, H. -G. Ludwig +3
Context: The stable element hafnium (Hf) and the radioactive element thorium (Th) were recently suggested as a suitable pair for radioactive dating of stars. The applicability of t…
Chemical Abundances of the Secondary Star in the Black Hole X-ray Binary XTE J1118+480
Jonay I. González Hernández, Rafael Rebolo, Garik Israelian +5
Following the recent abundance measurements of Mg, Al, Ca, Fe, and Ni in the black hole X-ray binary XTE J1118+480 using medium-resolution Keck II/ESI spectra of the secondary star…
NLTE determination of the sodium abundance in a homogeneous sample of extremely metal-poor stars
S. M. Andrievsky, M. Spite, S. A. Korotin +5
Abundance ratios in extremely metal-poor (EMP) stars are a good indication of the chemical composition of the gas in the earliest phases of the Galaxy evolution. It had been found…
The exotic chemical composition of the Sagittarius dwarf Spheroidal galaxy
L. Sbordone, P. Bonifacio, R. Buonanno +3
The Sagittarius dwarf Spheroidal galaxy is the nearest neighbor of the Milky Way. Moving along a short period quasi-polar orbit within the Halo, it is being destroyed by the tidal…