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Article 2018-03

Autor: Hansen, C.J. El-Souri, M. Monaco, L. Villanova, S. Bonifacio, P. Caffau, E. Sbordone, L.

Sagittarius (Sgr) is a massive disrupted dwarf spheroidal galaxy in the Milky Way halo that has undergone several stripping events. Previous chemical studies were restricted mainly to a few, metal-rich ([Fe/H] ) stars that suggested a top-light initial mass function (IMF). Here we present the fir...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/7050

Repositorio Universidad Andrés Bello
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Hansen, C.J. ,  El-Souri, M. ,  Monaco, L. ,  Villanova, S. ,  Bonifacio, P. ,  Caffau, E. ,  Sbordone, L. ,  [Ages and Heavy Element Abundances from Very Metal-poor Stars in the Sagittarius Dwarf Galaxy] ,  Ages and Heavy Element Abundances from Very Metal-poor Stars in the Sagittarius Dwarf Galaxy
Article 2018

Autor: Fernández-Alvar, E. Carigi, L. Schuster, W.J. Hayes, C.R. Ávila-Vergara, N. Majewski, S.R. Allende Prieto, C. Beers, T.C. Sánchez, S.F. Zamora, O. García-Hernández, D.A. Tang, B. Fernández-Trincado, J.G. Tissera, P. Geisler, D. Villanova, S.

The formation processes that led to the current Galactic stellar halo are still under debate. Previous studies have provided evidence for different stellar populations in terms of elemental abundances and kinematics, pointing to different chemical and star formation histories (SFHs). In the prese...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/6361

Repositorio Universidad Andrés Bello
Enlace permanente

Fernández-Alvar, E. ,  Carigi, L. ,  Schuster, W.J. ,  Hayes, C.R. ,  Ávila-Vergara, N. ,  Majewski, S.R. ,  Allende Prieto, C. ,  Beers, T.C. ,  Sánchez, S.F. ,  Zamora, O. ,  García-Hernández, D.A. ,  Tang, B. ,  Fernández-Trincado, J.G. ,  Tissera, P. ,  Geisler, D. ,  Villanova, S. ,  [Disentangling the Galactic Halo with APOGEE. II. Chemical and Star Formation Histories for the Two Distinct Populations] ,  Disentangling the Galactic Halo with APOGEE. II. Chemical and Star Formation Histories for the Two Distinct Populations

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