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Dive into the research topics where Emma Fernández-Alvar is active.

Publication


Featured researches published by Emma Fernández-Alvar.


Monthly Notices of the Royal Astronomical Society | 2017

Chemical trends in the Galactic Halo from APOGEE data

Emma Fernández-Alvar; Leticia Carigi; C. Allende Prieto; Michael R. Hayden; Timothy C. Beers; J. G. Fernández-Trincado; Andres Meza; M. Schultheis; B. Santiago; A. Queiroz; Friedrich Anders; L. N. da Costa; C. Chiappini

The galaxy formation process in the


Astronomy and Astrophysics | 2016

Follow-up observations of extremely metal-poor stars identified from SDSS

D. S. Aguado; C. Allende Prieto; J. I. González Hernández; R. Carrera; R. Rebolo; Matthew Shetrone; David L. Lambert; Emma Fernández-Alvar

\Lambda


Astronomy and Astrophysics | 2016

Deep SDSS optical spectroscopy of distant halo stars - III. Chemical analysis of extremely metal-poor stars

Emma Fernández-Alvar; C. Allende Prieto; Timothy C. Beers; Young Sun Lee; T. Masseron; Donald P. Schneider

-Cold Dark Matter scenario can be constrained from the analysis of stars in the Milky Ways halo system. We examine the variation of chemical abundances in distant halo stars observed by the Apache Point Galactic Evolution Experiment (APOGEE), as a function of distance from the Galactic center (


The Astrophysical Journal | 2018

Disentangling the Galactic Halo with APOGEE. I. Chemical and Kinematical Investigation of Distinct Metal-poor Populations

Christian R. Hayes; Steven R. Majewski; Matthew Shetrone; Emma Fernández-Alvar; Carlos Allende Prieto; William J. Schuster; Leticia Carigi; Katia Cunha; Verne V. Smith; Jennifer Sobeck; Andres Almeida; Timothy C. Beers; R. Carrera; J. G. Fernández-Trincado; D. A. García-Hernández; Doug Geisler; Richard R. Lane; Sara Lucatello; Allison M. Matthews; Dante Minniti; Christian Nitschelm; B. Tang; Patricia B. Tissera; Olga Zamora

r


The Astrophysical Journal | 2018

Disentangling the Galactic Halo with APOGEE. II. Chemical and Star Formation Histories for the Two Distinct Populations

Emma Fernández-Alvar; Leticia Carigi; William J. Schuster; Christian R. Hayes; Nancy Ávila-Vergara; S. R. Majewski; Carlos Allende Prieto; Timothy C. Beers; Sebastián F. Sánchez; Olga Zamora; Domingo Aníbla García-Hernández; B. Tang; J. G. Fernández-Trincado; Patricia B. Tissera; D. Geisler; Sandro Villanova

) and iron abundance ([M/H]), in the range 5


The Astrophysical Journal | 2017

Atypical Mg-poor Milky Way Field Stars with Globular Cluster Second-generation-like Chemical Patterns

J. G. Fernández-Trincado; Olga Zamora; D. A. García-Hernández; Diogo Souto; F. Dell'Agli; Ricardo P. Schiavon; D. Geisler; B. Tang; Sandro Villanova; Sten Hasselquist; R. E. Mennickent; Katia Cunha; Matthew Shetrone; Carlos Allende Prieto; K. Vieira; Gail Zasowski; Jennifer Sobeck; Christian R. Hayes; Steven R. Majewski; Vinicius M. Placco; Timothy C. Beers; Dominik R. G. Schleicher; A. C. Robin; Sz. Mészáros; Thomas Masseron; Ana G. Pérez; Friedrich Anders; Andres Meza; Alan Alves-Brito; R. Carrera

\lesssim r \lesssim


arXiv: Astrophysics of Galaxies | 2018

The metal-rich halo component extended in z: a characterization with Gaia DR2 and APOGEE

Emma Fernández-Alvar; J. G. Fernández-Trincado; Edmundo Moreno; William J. Schuster; Leticia Carigi; Alejandra Recio-Blanco; Timothy C. Beers; Cristina Chiappini; Friedrich Anders; B. Santiago; A. Queiroz; Angeles Pérez-Villegas; Olga Zamora; D. A. García-Hernández

30 kpc and


arXiv: Astrophysics of Galaxies | 2018

The assembly history of the Galactic inner halo inferred from alpha-patterns.

Emma Fernández-Alvar; Patricia B. Tissera; Leticia Carigi; William J. Schuster; Timothy C. Beers; Vasily Belokurov

-2.5 15


VizieR Online Data Catalog | 2014

VizieR Online Data Catalog: Model SDSS colors for halo stars (Allende Prieto+, 2014)

P.C. Allende; Emma Fernández-Alvar; Katharine J. Schlesinger; Young Sun Lee; Heather L. Morrison; Donald P. Schneider; Timothy C. Beers; Dmitry Bizyaev; Elena Malanushenko; Daniel Oravetz; K. Pan; Audrey Simmons; Jennifer Simmerer; Jennifer S. Sobeck; A. C. Robin

kpc and [M/H]

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Leticia Carigi

National Autonomous University of Mexico

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William J. Schuster

National Autonomous University of Mexico

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Olga Zamora

University of La Laguna

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Matthew Shetrone

University of Texas at Austin

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Carlos Allende Prieto

Spanish National Research Council

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R. Carrera

University of La Laguna

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