An inhomogeneous model for the Galactic halo: a possible explanation for the spread observed ins- andr-process elements

2008/02/05 by G. Cescutti · 1 citation
Earth and Planetary Sciences · Physics and Astronomy · #Astro and Planetary Science #Astrophysics #Galactic halo #Galaxy #Halo #High-pressure geophysics and materials #Initial mass function #Metallicity #Neutron #Neutron capture #Neutron star #Nuclear physics #Nucleosynthesis #Physics #Range (aeronautics) #Star formation #Stars #Stellar, planetary, and galactic studies #astro-ph #r-process #s-process

paper · pdf · doi:10.1051/0004-6361:20078571

10 pages, 14 figures, accepted for publication in A&A

arxiv created 2008/02/05 · openalex publication_date 2008/02/07 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Aims. We propose an explanation for the considerable scatter of the abundances of neutron capture elements observed in low-metallicity stars in the solar vicinity, compared to the small star-to-star scatter observed for the α-elements.

Citations

• Europium abundances in F and G disk dwarfs
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• The Detection of Low Eu Abundances in Extremely Metal-poor Stars and the Origin of r -Process Elements
• Early chemical enrichment of the universe and the role of very massive population III stars

Cited by

• The effects of stellar winds of fast-rotating massive stars in the earliest phases of the chemical enrichment of the Galaxy