Publications (53)
New analysis of the two carbon-rich stars CS 22948-27 and CS 29497-34 : binarity and neutron-capture elements
B. Barbuy, M. Spite, F. Spite +4
Lead abundance in the uranium star CS 31082-001
B. Plez, V. Hill, R. Cayrel +6
High-resolution abundance analysis of very metal-poor r-I stars
C. Siqueira-Mello, V. Hill, B. Barbuy +9
Lithium abundances of Main Sequence and Sub-Giant stars in the Globular Cluster NGC 6397
J. I. González Hernández, P. Bonifacio, E. Caffau +6
Evolution of the Barium abundance in the early Galaxy from a NLTE analysis of the Ba lines in a homogeneous sample of EMP stars
S. M. Andrievsky, M. Spite, S. A. Korotin +5
Survival of 6li and 7li in Metal-Poor Stars
R. Cayrel, Y. Lebtreton, P. Morel
First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements
M. Spite, R. Cayrel, B. Plez +11
Measurement of stellar age from uranium decay
R. Cayrel, V. Hill, T. Beers +10
First Measurement of Uranium/Thorium ratio in a very old Star: Implications for the age of the Galaxy
R. Cayrel
X-Shooter GTO: Chemical analysis of a sample of EMP candidates
E. Caffau, P. Bonifacio, P. François +11
Non-LTE abundances of Mg and K in extremely metal-poor stars and the evolution of [O/Mg], [Na/Mg], [Al/Mg] and [K/Mg] in the Milky Way
S. M. Andrievsky, Monique Spite, S. A. Korotin +5
First Stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876--032
J. I. González Hernández, P. Bonifacio, H. -G. Ludwig +15
First stars IV.CS 29497-030: Evidence for operation of the s-process at very low metallicity
T. Sivarani, P. Bonifacio, P. Molaro +12
R-process pattern in the Very-Metal-Poor Halo Star CS31082-001
V. Hill, B. Plez, R. Cayrel +1
Convection and 6Li in the atmospheres of metal-poor halo stars
M. Steffen, R. Cayrel, P. Bonifacio +2
Effects of Photospheric Temperature Inhomogeneities on Lithium Abundance Determinations (2D)
R. Cayrel, M. Steffen
Lithium in the Globular Cluster NGC 6397: Evidence for dependence on evolutionary status
J. I. Gonzalez Hernandez, P. Bonifacio, E. Caffau +6
NLTE determination of the aluminium abundance in a homogeneous sample of extremely metal-poor stars
S. M. Andrievsky, M. Spite, S. A. Korotin +5
First stars IX -Mixing in extremely metal-poor giants. Variation of the 12C/13C, [Na/Mg] and [Al/Mg] ratios
M. Spite, R. Cayrel, V. Hill +11
First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy
R. Cayrel, E. Depagne, M. Spite +11
TOPoS: II. On the bimodality of carbon abundance in CEMP stars. Implications on the early chemical evolution of galaxies
P. Bonifacio, E. Caffau, M. Spite +18
First Stars XIV. Sulfur abundances in extremely metal-poor (EMP) stars
Monique Spite, E. Caffau, S. M. Andrievsky +15
First stars XII. Abundances in extremely metal-poor turnoff stars,and comparison with the giants
P. Bonifacio, M. Spite, R. Cayrel +13
NLTE determination of the sodium abundance in a homogeneous sample of extremely metal-poor stars
S. M. Andrievsky, M. Spite, S. A. Korotin +5
Solar abundances and 3D model atmospheres
H. -G. Ludwig, E. Caffau, M. Steffen +3
On-line determination of stellar atmospheric parameters Teff, log g, [Fe/H] from ELODIE echelle spectra. I - The method
D. Katz, C. Soubiran, R. Cayrel +2
Main-Sequence and sub-giant stars in the Globular Cluster NGC6397: The complex evolution of the lithium abundance
J. I. González Hernández, P. Bonifacio, E. Caffau +6
TOPoS: I. Survey design and analysis of the first sample
E. Caffau, P. Bonifacio, L. Sbordone +14
The Hipparcos HR diagram of nearby stars in the metallicity range -1.0 < [Fe/H] < 0.3
Y. Lebreton, M. -N. Perrin, R. Cayrel +2
Elemental abundances of metal poor carbon rich lead star: CS29497-030
T. Sivarani, P. Bonifacio, P. Molaro +12
TOPoS: III. An ultra iron-poor multiple CEMP system
E. Caffau, P. Bonifacio, M. Spite +15
X-Shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars
E. Caffau, P. Bonifacio, P. Francois +12
NLTE strontium abundance in a sample of extremely metal poor stars and the Sr/Ba ratio in the early Galaxy
S. M. Andrievsky, F. Spite, S. A. Korotin +5
TOPoS: IV. Chemical abundances from high-resolution observations of seven EMP stars
P. Bonifacio, E. Caffau, M. Spite +15
6Li detection in metal-poor stars: can 3D model atmospheres solve the second lithium problem?
M. Steffen, R. Cayrel, E. Caffau +3
Using the CIFIST grid of CO5BOLD 3D model atmospheres to study the effects of stellar granulation on photometric colours. I. Grids of 3D corrections in the UBVRI, 2MASS, Hipparcos, Gaia, and SDSS systems
P. Bonifacio, E. Caffau, H. -G. Ludwig +9
The extreme r-element rich, iron-poor halo giant CS31082-001: Implications for the r-process site(s) and radioactive cosmochronology
V. Hill, B. Plez, R. Cayrel +10
The ESO Large Programme First Stars
P. Bonifacio, J. Andersen, S. Andrievsky +19
First stars VII. Lithium in extremely metal poor dwarfs
P. Bonifacio, P. Molaro, T. Sivarani +12
On-line determination of stellar atmospheric parameters Teff, log g, [Fe/H] from ELODIE echelle spectra. II - The library of F5 to K7 stars
C. Soubiran, D. Katz, R. Cayrel
The photospheric solar oxygen project: IV. 3D-NLTE investigation of the 777 nm triplet lines
M. Steffen, D. PrakapaviÄius, E. Caffau +5
First stars XVI. STIS/HST abundances of heavy-elements in the uranium-rich star CS 31082-001
C. Siqueira Mello, M. Spite, B. Barbuy +14
First stars XIII. Two extremely metal-poor RR Lyrae stars?
C. J. Hansen, B. Nordstroem, P. Bonifacio +11
The chemical evolution of Barium and Europium in the Milky Way
G. Cescutti, P. Francois, F. Matteucci +2
Oxygen spectral line synthesis: 3D non-LTE with CO5BOLD hydrodynamical model atmospheres
D. Prakapavicius, M. Steffen, A. Kucinskas +4
First stars X. The nature of three unevolved Carbon-Enhanced Metal-Poor stars
T. Sivarani, T. C. Beers, P. Bonifacio +13
First Stars VIII -- Enrichment of the neutron-capture elements in the early Galaxy
P. Francois, E. Depagne, V. Hill +12
First Stars II. Elemental abundances in the extremely metal-poor star CS 22949--037: A diagnostic of early massive supernovae
E. Depagne, V. Hill, M. Spite +10
The metal-poor end of the Spite plateau. 1: Stellar parameters, metallicities and lithium abundances
L. Sbordone, P. Bonifacio, E. Caffau +16
An extremely primitive halo star
E. Caffau, P. Bonifacio, P. François +11
6Li in metal-poor halo stars: real or spurious?
M. Steffen, R. Cayrel, P. Bonifacio +2
A primordial star in the heart of the Lion
E. Caffau, P. Bonifacio, P. François +14
New high S/N observations of the Li-6/Li-7 blend in HD 84937 and two other metal-poor stars
R. Cayrel, M. Spite, F. Spite +3