V
V. Hill
Researcher at University of Paris
Publications - 70
Citations - 4710
V. Hill is an academic researcher from University of Paris. The author has contributed to research in topics: Stars & Galaxy. The author has an hindex of 30, co-authored 70 publications receiving 4346 citations. Previous affiliations of V. Hill include University of Groningen.
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Journal ArticleDOI
First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements
M. Spite,Roger Cayrel,Bertrand Plez,V. Hill,Francois Spite,E. Depagne,P. Francois,Piercarlo Bonifacio,Beatriz Barbuy,Timothy C. Beers,Johannes Andersen,Paolo Molaro,Birgitta Nordström,Francesca Primas +13 more
TL;DR: In this paper, Cayrel et al. investigated the origin of nitrogen in the early Galaxy by determining N abundances from the NH band at 336 nm in 35 extremely metal-poor halo giants.
Journal ArticleDOI
First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements
M. Spite,Roger Cayrel,Bertrand Plez,V. Hill,Francois Spite,Éric Depagne,P. Francois,P. Bonifacio,Beatriz Barbuy,Timothy C. Beers,Johannes Andersen,Paolo Molaro,B. Nordstroem,Francesca Primas +13 more
TL;DR: In this article, the origin of nitrogen in the early Galaxy was investigated by determining N abundances in 35 extremely metal-poor halo giants (22 stars have [Fe/H]<-3.0) using the C and O abundances determined in Paper V.
Journal ArticleDOI
The metal-poor end of the Spite plateau. 1: Stellar parameters, metallicities and lithium abundances
Luca Sbordone,P. Bonifacio,Elisabetta Caffau,H. G. Ludwig,N. T. Behara,J. I. González Hernández,Matthias Steffen,R. Cayrel,Bernd Freytag,C. van't Veer,Paolo Molaro,Bertrand Plez,T. Sivarani,M. Spite,Francois Spite,Timothy C. Beers,Norbert Christlieb,P. Francois,V. Hill +18 more
TL;DR: In this article, the authors present VLT-UVES Li abundances for 28 halo dwarf stars between [Fe/H]=-2.5 and -3.5.
Journal ArticleDOI
Two distinct ancient components in the Sculptor Dwarf Spheroidal Galaxy: First Results from DART
Eline Tolstoy,Mike Irwin,Amina Helmi,Giuseppina Battaglia,P. Jablonka,V. Hill,K. A. Venn,Matthew Shetrone,B. Letarte,Andrew A. Cole,Francesca Primas,P. Francois,Nobuo Arimoto,Kozo Sadakane,Andreas Kaufer,Thomas Szeifert,Tom Abel +16 more
TL;DR: In this paper, the authors used the ESO Wide Field Imager (WFI) in conjunction with the VLT/FLAMES spectrograph to study the properties of the resolved stellar population of Sculptor out to and beyond the tidal radius.
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Gaia FGK Benchmark Stars - Metallicity
Paula Jofre,Ulrike Heiter,Caroline Soubiran,S. Blanco-Cuaresma,Clare Worley,Elena Pancino,Maria Bergemann,Tristan Cantat-Gaudin,J. I. González-Hernández,V. Hill,Carmela Lardo,P. de Laverny,Karin Lind,Laura Magrini,Thomas Masseron,D. Montes,Alessio Mucciarelli,Thomas Nordlander,Alejandra Recio-Blanco,Jennifer Sobeck,Rosanna Sordo,S. G. Sousa,Hugo M. Tabernero,Antonella Vallenari,S. Van Eck +24 more
TL;DR: In this article, a detailed documentation of the determination of the iron abundance of the 34 FGK-type benchmark stars selected to be the pillars for calibration of the one billion Gaia stars is presented.