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First stars X. The nature of three unevolved Carbon-Enhanced Metal-Poor stars

Authors :
Bertrand Plez
Birgitta Nordström
Timothy C. Beers
Matthew Spite
P. Francois
Roger Cayrel
E. Depagne
Thirupathi Sivarani
Piercarlo Bonifacio
Paolo Molaro
Falk Herwig
François Spite
Vanessa Hill
Johannes Andersen
Beatriz Barbuy
Francesca Primas
Center for the Study of Cosmic Evolution (CSCE)
Michigan State University [East Lansing]
Michigan State University System-Michigan State University System
INAF - Osservatorio Astronomico di Trieste (OAT)
Istituto Nazionale di Astrofisica (INAF)
CIFIST Marie Curie Excellence Team (CIFIST)
Observatoire de Paris
Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)
Galaxies, Etoiles, Physique, Instrumentation (GEPI)
Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris
Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Theorical Division (LANL)
Los Alamos National Laboratory (LANL)
Astrophysique Stellaire
Groupe de Recherche en Astronomie et Astrophysique du Languedoc (GRAAL)
Université Montpellier 2 - Sciences et Techniques (UM2)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)
Niels Bohr Institute [Copenhagen] (NBI)
Faculty of Science [Copenhagen]
University of Copenhagen = Københavns Universitet (KU)-University of Copenhagen = Københavns Universitet (KU)
Nordic Optical Telescope (NOT)
Instituto de Astrofisica de Canarias (IAC)
Instituto de Astronomia, Geofísica e Ciências Atmosféricas [São Paulo] (IAG)
Universidade de São Paulo (USP)
European Southern Observatory (ESO)
Lund Observatory
Lund University [Lund]
Source :
Astronomy and Astrophysics-A&A, Astronomy and Astrophysics-A&A, EDP Sciences, 2006, 459, pp.125-135. ⟨10.1051/0004-6361:20065440⟩
Publication Year :
2006
Publisher :
arXiv, 2006.

Abstract

From high-resolution VLT/UVES spectra (R~43,000), we determine abundances or upper limits for Li, C, N, O, and other important elements, as well as 12C/13C isotopic ratio for three Carbon enhanced metal poor stars. All three stars have -3.30<br />A&A accepted 08/07/2006

Details

ISSN :
00046361
Database :
OpenAIRE
Journal :
Astronomy and Astrophysics-A&A, Astronomy and Astrophysics-A&A, EDP Sciences, 2006, 459, pp.125-135. ⟨10.1051/0004-6361:20065440⟩
Accession number :
edsair.doi.dedup.....6050ec890cb6fbedc2fbb591dc1cbc7d
Full Text :
https://doi.org/10.48550/arxiv.astro-ph/0608112