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Article 2018-01

Autor: Tissera, P.B. Machado, R.E.G. Carollo, D. Minniti, D. Beers, T.C. Zoccali, M. Meza, A.

We study the properties of the central spheroids located within 10 kpc of the centre of mass of MilkyWay mass-sized galaxies simulated in a cosmological context. The simulated central regions are dominated by stars older than 10 Gyr, mostly formed in situ, with a contribution of ~30 per cent from...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/8570

Repositorio Universidad Andrés Bello
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Tissera, P.B. ,  Machado, R.E.G. ,  Carollo, D. ,  Minniti, D. ,  Beers, T.C. ,  Zoccali, M. ,  Meza, A. ,  [The central spheroids of Milky Way mass-sized galaxies] ,  The central spheroids of Milky Way mass-sized galaxies
Article 2018

Autor: Rosito, M.S. Pedrosa, S.E. Tissera, P.B. Avila-Reese, V. Lacerna, I. Bignone, L.A. Ibarra-Medel, H.J. Varela, S.

Context. Understanding the formation and evolution of early-type, spheroid-dominated galaxies is an open question within the context of the hierarchical clustering scenario, particularly in low-density environments. Aims. Our goal is to study the main structural, dynamical, and stellar population...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/10557

Repositorio Universidad Andrés Bello
Enlace permanente

Rosito, M.S. ,  Pedrosa, S.E. ,  Tissera, P.B. ,  Avila-Reese, V. ,  Lacerna, I. ,  Bignone, L.A. ,  Ibarra-Medel, H.J. ,  Varela, S. ,  [Field spheroid-dominated galaxies in a Λ-CDM Universe] ,  Field spheroid-dominated galaxies in a Λ-CDM Universe
Article 2018

Autor: Hayes, C.R. Majewski, S.R. Shetrone, M. Fernández-Alvar, E. Prieto, C.A. Schuster, W.J. Carigi, L. Cunha, K. Smith, V.V. Sobeck, J. Almeida, A. Beers, T.C. Carrera, R. Fernández-Trincado, J.G. García-Hernández, D.A. Geisler, D. Lane, R.R. Lucatello, S. Matthews, A.M. Minniti, D. Nitschelm, C. Tang, B. Tissera, P.B. Zamora, O.

We find two chemically distinct populations separated relatively cleanly in the [Fe/H]-[Mg/Fe] plane, but also distinguished in other chemical planes, among metal-poor stars (primarily with metallicities [Fe H] < -0.9) observed by the Apache Point Observatory Galactic Evolution Experiment (APOGEE...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/6362

Repositorio Universidad Andrés Bello
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Hayes, C.R. ,  Majewski, S.R. ,  Shetrone, M. ,  Fernández-Alvar, E. ,  Prieto, C.A. ,  Schuster, W.J. ,  Carigi, L. ,  Cunha, K. ,  Smith, V.V. ,  Sobeck, J. ,  Almeida, A. ,  Beers, T.C. ,  Carrera, R. ,  Fernández-Trincado, J.G. ,  García-Hernández, D.A. ,  Geisler, D. ,  Lane, R.R. ,  Lucatello, S. ,  Matthews, A.M. ,  Minniti, D. ,  Nitschelm, C. ,  Tang, B. ,  Tissera, P.B. ,  Zamora, O. ,  [Disentangling the Galactic Halo with APOGEE. I. Chemical and Kinematical Investigation of Distinct Metal-poor Populations] ,  Disentangling the Galactic Halo with APOGEE. I. Chemical and Kinematical Investigation of Distinct Metal-poor Populations

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