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Article 2018-04

Autor: Bonifacio, P. Caffau, E. Spite, M. Spite, F. Sbordone, L. Monaco, L. François, P. Plez, B. Molaro, P. Gallagher, A.J. Cayrel, R. Christlieb, N. Klessen, R.S. Koch, A. Ludwig, H.-G. Steffen, M. Zaggia, S. Abate, C.

Context. Extremely metal-poor (EMP) stars provide us with indirect information on the first generations of massive stars. The TOPoS survey has been designed to increase the census of these stars and to provide a chemical inventory that is as detailed as possible. Aims. Seven of the most iron-poor...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/8895

Repositorio Universidad Andrés Bello
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Bonifacio, P. ,  Caffau, E. ,  Spite, M. ,  Spite, F. ,  Sbordone, L. ,  Monaco, L. ,  François, P. ,  Plez, B. ,  Molaro, P. ,  Gallagher, A.J. ,  Cayrel, R. ,  Christlieb, N. ,  Klessen, R.S. ,  Koch, A. ,  Ludwig, H.-G. ,  Steffen, M. ,  Zaggia, S. ,  Abate, C. ,  [TOPoS: IV. Chemical abundances from high-resolution observations of seven extremely metal-poor stars] ,  TOPoS: IV. Chemical abundances from high-resolution observations of seven extremely metal-poor stars
Article 2016-02

Autor: Rojas-Arriagada, A. Recio-Blanco, A. de Laverny, P. Schultheis, M. Guiglion, G. Mikolaitis, Š. Kordopatis, G. Hill, V. Gilmore, G. Randich, S. Alfaro, E. J. Bensby, T. Koposov, S. E. Costado, M. T. Franciosini, E. Hourihane, A. Jofré, P. Lardo, C. Lewis, J. Lind, K. Magrini, L. Monaco, L. Morbidelli, L. Sacco, G. G. Worley, C. C. Zaggia, S. Chiappini, C.

Context. Recent spectroscopic surveys have begun to explore the Galactic disk system on the basis of large data samples, with spatial distributions sampling regions well outside the solar neighborhood. In this way, they provide valuable information for testing spatial and temporal variations of d...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/3959

Repositorio Universidad Andrés Bello
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Rojas-Arriagada, A. ,  Recio-Blanco, A. ,  de Laverny, P. ,  Schultheis, M. ,  Guiglion, G. ,  Mikolaitis, Š. ,  Kordopatis, G. ,  Hill, V. ,  Gilmore, G. ,  Randich, S. ,  Alfaro, E. J. ,  Bensby, T. ,  Koposov, S. E. ,  Costado, M. T. ,  Franciosini, E. ,  Hourihane, A. ,  Jofré, P. ,  Lardo, C. ,  Lewis, J. ,  Lind, K. ,  Magrini, L. ,  Monaco, L. ,  Morbidelli, L. ,  Sacco, G. G. ,  Worley, C. C. ,  Zaggia, S. ,  Chiappini, C. ,  [The Gaia-ESO Survey: Separating disk chemical substructures with cluster models⋆ Evidence of a separate evolution in the metal-poor thin disk] ,  The Gaia-ESO Survey: Separating disk chemical substructures with cluster models⋆ Evidence of a separate evolution in the metal-poor thin disk
Article 2018-06

Autor: Caffau, E. Gallagher, A.J. Bonifacio, P. Spite, M. Duffau, S. Spite, F. Monaco, L. Sbordone, L.

Aims. Carbon-enhanced metal-poor (CEMP) stars represent a sizeable fraction of all known metal-poor stars in the Galaxy. Their formation and composition remains a significant topic of investigation within the stellar astrophysics community. Methods. We analysed a sample of low-resolution spectra ...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/9238

Repositorio Universidad Andrés Bello
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Caffau, E. ,  Gallagher, A.J. ,  Bonifacio, P. ,  Spite, M. ,  Duffau, S. ,  Spite, F. ,  Monaco, L. ,  Sbordone, L. ,  [Investigation of a sample of carbon-enhanced metal-poor stars observed with FORS and GMOS] ,  Investigation of a sample of carbon-enhanced metal-poor stars observed with FORS and GMOS
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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