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Results 1 - 70 of 70

High-speed stars. II. An unbound star, young stars, bulge metal-poor stars, and Aurora candidates
- Virtual Journal - Volume 22, Issue 6 - article #4
- P. BonifacioGEPI E. CaffauGEPI L. MonacoUNAB L. SbordoneESO M. SpiteGEPI A. MucciarelliUNIBO P. Franc{c}oisGEPI, UPJV L. LombardoGEPI A. D. M. Matas PintoGEPI
- https://arxiv.org/abs/2402.02876
Reanalysis of neutron-capture elements in the benchmark r-rich star CS 31082-001. (arXiv:2306.17627v1 [astro-ph.SR])
- Virtual Journal - Volume 21, Issue 27 - article #6
- H. Ernandes, M. J. Castro, B. Barbuy, M. Spite, V. Hill, B. Castilho, C. J. Evans
- http://arxiv.org/abs/2306.17627
Discovery of a thin lithium plateau among metal-poor red giant branch stars. (arXiv:2203.10347v1 [astro-ph.SR])
- Virtual Journal - Volume 20, Issue 12 - article #3
- A. Mucciarelli, L. Monaco, P. Bonifacio, M. Salaris, M. Deal, M. Spite, O. Richard, R. Lallement
- http://arxiv.org/abs/2203.10347
12C/13C ratio and CNO abundances in the classical very old metal-poor dwarf HD 140283. (arXiv:2108.04072v1 [astro-ph.SR])
- Virtual Journal - Volume 19, Issue 33 - article #1
- M. Spite, F. Spite, B. Barbuy
- http://arxiv.org/abs/2108.04072
Detailed abundances in a sample of very metal poor stars. (arXiv:2007.03994v1 [astro-ph.SR])
- Virtual Journal - Volume 18, Issue 28 - article #2
- P. François, S. Wanajo, E. Caffau, N. Prantzos, W. Aoki, M. Aoki, P. Bonifacio, M. Spite, F. Spite
- http://arxiv.org/abs/2007.03994
Reviving old controversies: is the early Galaxy flat or round? Investigations into the early phases of the Milky Way formation through stellar kinematics and chemical abundances. (arXiv:1910.13769v1 [astro-ph.GA])
- Virtual Journal - Volume 17, Issue 44 - article #6
- P. Di Matteo, M. Spite, M. Haywood, P. Bonifacio, A. Gómez, F. Spite, E. Caffau
- http://arxiv.org/abs/1910.13769
TOPoS V: Abundance ratios in a sample of very metal-poor turn-off stars. (arXiv:1811.00035v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 44 - article #12
- P. François, E. Caffau, P. Bonifacio, M. Spite, F. Spite, R. Cayrel, N. Christlieb, A.J. Gallagher, R. Klessen, A. Koch, H.-G. Ludwig, L. Monaco, B. Plez, M. Steffen, S. Zaggia
- http://arxiv.org/abs/1811.00035
Investigation of a sample of carbon-enhanced metal-poor stars observed with FORS and GMOS. (arXiv:1803.09252v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 13 - article #5
- E. Caffau, A. J. Gallagher, P. Bonifacio, M. Spite, S. Duffau, F. Spite, L. Monaco, L. Sbordone
- http://arxiv.org/abs/1803.09252
TOPoS: IV. Chemical abundances from high-resolution observations of seven EMP stars. (arXiv:1801.03935v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 3 - article #16
- P. Bonifacio, E. Caffau, M. Spite, F. Spite, L. Sbordone, L. Monaco, P. François, B. Plez, P. Molaro, A. J. Gallagher, R. Cayrel, N. Christlieb, R. S. Klessen, A. Koch, H.-G. Ludwig, M. Steffen, S. Zaggia, C. Abate
- http://arxiv.org/abs/1801.03935
Abundances of the light elements from UV (HST) and red (ESO) spectra in the very old star HD 84937. (arXiv:1701.04608v1 [astro-ph.SR])
- Virtual Journal - Volume 15, Issue 3 - article #5
- M. Spite, R. C. Peterson, A. J. Gallagher, B. Barbuy, F. Spite
- http://arxiv.org/abs/1701.04608
TOPoS
- Virtual Journal - Volume 14, Issue 45 - article #12
- E. Caffau, P. Bonifacio, M. Spite, F. Spite, L. Monaco, L. Sbordone, P. FranÃƒÂ§ois, A. J. Gallagher, B. Plez, S. Zaggia, H.-G. Ludwig, R. Cayrel, A. Koch, M. Steffen, S. Salvadori, R. Klessen, S. Glover, N. Christlieb
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/RJ0h5na7TGY/201629776
TOPoS: III. An ultra iron-poor multiple CEMP system. (arXiv:1610.04106v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 42 - article #17
- E. Caffau, P. Bonifacio, M. Spite, F. Spite, L. Monaco, L. Sbordone, P. Francois, A. J. Gallagher, B. Plez, S. Zaggia, H.-G. Ludwig, R. Cayrel, A. Koch, M. Steffen, S. Salvadori, R. Klessen, S. Glover, N. Christlieb
- http://arxiv.org/abs/1610.04106
Chemical abundance analysis of 19 barium stars
- Virtual Journal - Volume 14, Issue 10 - article #2
- G. C. Yang, Y. C. Liang, M. Spite, Y. Q. Chen, G. Zhao, B. Zhang, G. Q. Liu, Y. J. Liu, N. Liu, L. C. Deng, F. Spite, V. Hill, C. X. Zhang
- arXiv.org - Astrophysics - Volume: 2016, Issue: 4 Mar
- arXiv:1602.08704 [pdf, ps, other]
High-resolution abundance analysis of HD 140283
- Virtual Journal - Volume 13, Issue 32 - article #7
- C. Siqueira-Mello, S. M. Andrievsky, B. Barbuy, M. Spite, F. Spite, S. A. Korotin
- arXiv.org - Astrophysics - Volume: 2015, Issue: 4 Sep
- arXiv:1509.00658 [pdf, ps, other]
Grid of theoretical NLTE equivalent widths of four Ba II lines and barium abundance in cool stars
- Virtual Journal - Volume 13, Issue 27 - article #10
- S. A. Korotin, S. M. Andrievsky, C. J. Hansen, E. Caffau, P. Bonifacio, M. Spite, F. Spite, P. Francois
- arXiv.org - Astrophysics - Volume: 2015, Issue: 31 Jul
- arXiv:1507.07472 [pdf, ps, other]
TOPoS: II. On the bimodality of carbon abundance in CEMP stars. Implications on the early chemical evolution of galaxies
- Virtual Journal - Volume 13, Issue 16 - article #21
- P. Bonifacio (1), E. Caffau (1,2), M. Spite (2), M. Limongi (3,4), A. Chieffi (5), R.S. Klessen (6,7,8), P. François (1,9), P. Molaro (10), H. G. Ludwig (2,1), S. Zaggia (11), F. Spite (1), B. Plez (12), R. Cayrel (1), N. Christlieb (2), P.C. Clark (13,6), S.C.O. Glover (6), F. Hammer (1), A. Koch (2), L. Monaco (14,15), L. Sbordone (16,17), M. Steffen (18,1) ((1) GEPI, Observatoire de Paris, (2) ZAH-LSW, (3) INAF - OA Roma, (4) Kavli IPMU, Univ. Tokyo (5) INAF - IASFC, (6) ZAH-ARI, (7) Kavli, IPAC, Stanford Univ., (8) Dep A&A Univ, Calfornia, (9) UPJV, Univ. Picardie, (10) INAF - OA Trieste, (11) INAF- OA Padova, (12) LUPM, Univ. Montpellier, (13) School of Physics and Astronomy, Cardiff Univ. (14) ESO, (15) DCF - Univ. A. Bello, (16) MAS, (17) PUC - Chile, (18) Leibniz-Institut AIP)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 24 Apr
- arXiv:1504.05963 [pdf, ps, other]
The low Sr/Ba ratio on some extremely metal-poor stars
- Virtual Journal - Volume 12, Issue 24 - article #90
- M. Spite, F. Spite, P. Bonifacio, E. Caffau, P. FranÃƒÂ§ois and L. Sbordone
- Astronomy and Astrophysics - Volume: 571, Issue: November 2014
- http://dx.doi.org/10.1051/0004-6361/201423658
  Abstract Full HTML PDF (732.8 KB) ePUB (1.580 MB) References Tables at CDS NASA ADS Abstract Service
The low Sr/Ba ratio on some extremely metal-poor stars
- Virtual Journal - Volume 12, Issue 23 - article #10
- M. Spite, F. Spite, P. Bonifacio, E. Caffau, P. François, L. Sbordone
- arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Oct
- arXiv:1410.0847 [pdf, ps, other]
Oxygen in the early Galaxy: OH lines as tracers of oxygen abundance in extremely metal-poor giant stars
- Virtual Journal - Volume 12, Issue 22 - article #13
- A. Kucinskas, V. Dobrovolskas, P. Bonifacio, E. Caffau, H.-G. Ludwig, M. Steffen, M. Spite
- arXiv.org - Astrophysics - Volume: 2014, Issue: 12 Sep
- arXiv:1409.3153 [pdf, ps, other]
Clues on the Galactic evolution of sulphur from star clusters
- Virtual Journal - Volume 12, Issue 22 - article #94
- E. Caffau, L. Monaco, M. Spite, P. Bonifacio, G. Carraro, H.-G. Ludwig, S. Villanova, Y. Beletsky and L. Sbordone
- Astronomy and Astrophysics - Volume: 568, Issue: August 2014
- http://dx.doi.org/10.1051/0004-6361/201423873
  Abstract Full HTML PDF (637.5 KB) ePUB (1.355 MB) References NASA ADS Abstract Service
High-resolution abundance analysis of very metal-poor r-I stars
- Virtual Journal - Volume 12, Issue 21 - article #100
- C. Siqueira Mello, V. Hill, B. Barbuy, M. Spite, F. Spite, T. C. Beers, E. Caffau, P. Bonifacio, R. Cayrel, P. FranÃƒÂ§ois, et al. (2 more) H. Schatz and S. Wanajo
- Astronomy and Astrophysics - Volume: 565, Issue: May 2014
- http://dx.doi.org/10.1051/0004-6361/201423826
  Abstract Full HTML PDF (831.2 KB) ePUB (3.166 MB) References Online Material NASA ADS Abstract Service
Clues on the Galactic evolution of sulphur from star clusters
- Virtual Journal - Volume 12, Issue 20 - article #130
- E. Caffau, L. Monaco, M. Spite, P. Bonifacio, G. Carraro, H.-G. Ludwig, S. Villanova, Y. Beletsky, L. Sbordone
- arXiv.org - Astrophysics - Volume: 2014, Issue: 4 Jul
- arXiv:1407.0485 [pdf, ps, other]
High-resolution abundance analysis of very metal-poor r-I stars
- Virtual Journal - Volume 12, Issue 14 - article #5
- C. Siqueira-Mello, V. Hill, B. Barbuy, M. Spite, F. Spite, T.C. Beers, E. Caffau, P. Bonifacio, R. Cayrel, P. François, H. Schatz, S. Wanajo
- arXiv.org - Astrophysics - Volume: 2014, Issue: 4 Apr
- arXiv:1404.0234 [pdf, ps, other]
High resolution study of the abundance pattern of the heavy elements in very metal-poor field stars
- Virtual Journal - Volume 12, Issue 4 - article #26
- M. Spite and F. Spite
- Astronomische Nachrichten - Volume: 335, Issue: 1
- Abstract PDF(204K)References Request Permissions
TOPoS - I. Survey design and analysis of the first sample
- Virtual Journal - Volume 11, Issue 51 - article #18
- E. Caffau, P. Bonifacio, L. Sbordone, P. FranÃƒÂ§ois, L. Monaco, M. Spite, B. Plez, R. Cayrel, N. Christlieb, P. Clark, et al. (7 more) S. Glover, R. Klessen, A. Koch, H.-G. Ludwig, F. Spite, M. Steffen and S. Zaggia
- Astronomy and Astrophysics - Volume: 560, Issue: December 2013
- http://dx.doi.org/10.1051/0004-6361/201322488
  Abstract Full HTML PDF (308.7 KB) References NASA ADS Abstract Service
X-shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars
- Virtual Journal - Volume 11, Issue 51 - article #19
- E. Caffau, P. Bonifacio, P. FranÃƒÂ§ois, L. Sbordone, M. Spite, L. Monaco, B. Plez, F. Spite, S. Zaggia, H.-G. Ludwig, et al. (5 more) R. Cayrel, P. Molaro, S. Randich, F. Hammer and V. Hill
- Astronomy and Astrophysics - Volume: 560, Issue: December 2013
- http://dx.doi.org/10.1051/0004-6361/201322213
  Abstract Full HTML PDF (559.9 KB) References NASA ADS Abstract Service
X-Shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars
- Virtual Journal - Volume 11, Issue 38 - article #18
- E. Caffau, P. Bonifacio, P. Francois, L. Sbordone, M. Spite, L. Monaco, B. Plez, F. Spite, S. Zaggia, H.-G. Ludwig, R. Cayrel, P. Molaro, S. Randich, F. Hammer, V. Hill
- arXiv.org - Astrophysics - Volume: 2013, Issue: 20 Sep
- arXiv:1309.4913 [pdf, ps, other]
Carbon-enhanced metal-poor stars: the most pristine objects?
- Virtual Journal - Volume 11, Issue 16 - article #21
- M. Spite, E. Caffau, P. Bonifacio, F. Spite, H.-G. Ludwig, B. Plez and N. Christlieb
- Astronomy and Astrophysics - Volume: 552, Issue: April 2013
- http://dx.doi.org/10.1051/0004-6361/201220989
  Abstract Full HTML PDF (638.6 KB) References Online Material NASA ADS Abstract Service
First stars - XVI. HST/STIS abundances of heavy elements in the uranium-rich metal-poor star CS 31082-001
- Virtual Journal - Volume 11, Issue 7 - article #30
- C. Siqueira Mello Jr., M. Spite, B. Barbuy, F. Spite, E. Caffau, V. Hill, S. Wanajo, F. Primas, B. Plez, R. Cayrel, et al. (7 more)J. Andersen, B. NordstrÃƒÂ¶m, C. Sneden, T. C. Beers, P. Bonifacio, P. FranÃƒÂ§ois and P. Molaro
- Astronomy and Astrophysics - Volume: 550, Issue: February 2013
- http://dx.doi.org/10.1051/0004-6361/201219949
  Abstract | Full HTML | PDF (639.2 KB) | References | Online Material | NASA ADS Abstract Service
Origin of the heavy elements in HD 140283 - Measurement of europium abundance
- Virtual Journal - Volume 10, Issue 51 - article #80
- C. Siqueira Mello Jr., B. Barbuy, M. Spite and F. Spite
- Astronomy and Astrophysics - Volume: 548, Issue: December 2012
- http://dx.doi.org/10.1051/0004-6361/201220100
  Abstract | Full HTML | PDF (342.5 KB) | References | Online Material | Tables at CDS | NASA ADS Abstract Service
First stars XVI. STIS/HST abundances of heavy-elements in the uranium-rich star CS 31082-001
- Virtual Journal - Volume 10, Issue 49 - article #4
- C. Siqueira Mello, M. Spite, B. Barbuy, F. Spite, E. Caffau, V. Hill, S. Wanajo, F. Primas, B. Plez, R. Cayrel, J. Andersen, B. Nordström, C. Sneden, T. C. Beers, P. Bonifacio, P. François, P. Molaro
- arXiv.org - Astrophysics - Volume: 2012, Issue: 7 Dec
- arXiv:1212.0211 [pdf, other]
Origin of the heavy elements in HD 140283. Measurement of europium abundance
- Virtual Journal - Volume 10, Issue 45 - article #9
- C. Siqueira Mello (1 and 2), B. Barbuy (1), M. Spite (2), F. Spite (2) ((1) IAG, Universidade de São Paulo, Brazil, (2) GEPI, Observatoire de Paris, Meudon, France)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 9 Nov
- arXiv:1211.0693 [pdf, other]
The cosmic lithium problem: an observer's perspective
- Virtual Journal - Volume 10, Issue 32 - article #17
- M. Spite, F. Spite, P. Bonifacio (GEPI - Observatoire de Paris, CNRS, Univ. Paris Diderot)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 10 Aug
- arXiv:1208.1190 [pdf, ps, other]
6Li detection in metal-poor stars: can 3D model atmospheres solve the second lithium problem?
- Virtual Journal - Volume 10, Issue 24 - article #1
- M. Steffen, R. Cayrel, E. Caffau, P. Bonifacio, H.-G. Ludwig, M. Spite
- arXiv.org - Astrophysics - Volume: 2012, Issue: 15 Jun
- arXiv:1206.2239 [pdf, ps, other]
Chemical abundances of distant extremely metal-poor unevolved stars
- Virtual Journal - Volume 10, Issue 15 - article #2
- P. Bonifacio (1), L. Sbordone (2,1,3), E. Caffau (2,1), H.-G. Ludwig (2,1), M. Spite (1), J. I. González Hernández (4,5), N. T. Behara (6) ((1) GEPI, Observatoire de Paris, CNRS, Univ. Paris Diderot, (2) Zentrum für Astronomie der Universität Heidelberg, Landessternwarte, (3) Max-Planck Institut für Astrophysik, (4) Instituto de Astrofısica de Canarias, (5) Depto. Astrofısica, Universidad de La Laguna, (6) Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 13 Apr
- arXiv:1204.1641 [pdf, ps, other]
A primordial star in the heart of the Lion
- Virtual Journal - Volume 10, Issue 11 - article #4
- E. Caffau (1,2,3), P. Bonifacio (2,3), P. François (2,4), M. Spite (2), F. Spite (2), S. Zaggia (5), H.-G. Ludwig (1,2), M. Steffen (6), L. Mashonkina (7), L. Monaco (3), L. Sbordone (1,2), P. Molaro (8), R. Cayrel (2), B. Plez (9), V. Hill (10), F. Hammer (2), S. Randich (11) ((1) ZAH-LSW Heidelberg, (2) GEPI - Obs. de Paris, CNRS, Univ. Paris Diderot, (3) ESO - Santiago, (4) Univ. de Picardie Jules Verne,(5) INAF - Osservatorio Astronomico di Padova, (6) Leibniz Institut für Astrophysik Potsdam, (7) Institute of Astronomy, Russian Academy of Sciences, (8) INAF - Osservatorio Astronomico di Trieste, (9) LUPM - Univ. Montpellier 2, CNRS, (10) Univ. de Nice Sophia Antipolis, CNRS, OCA, Lab. Cassiopée, (11) INAF - Osservatorio Astrofisico di Arcetri)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Mar
- arXiv:1203.2607 [pdf, ps, other]
An extremely primitive halo star
- Virtual Journal - Volume 10, Issue 11 - article #6
- E. Caffau (1,2), P. Bonifacio (2), P. François (2,3) . L. Sbordone (1,4,2) . L. Monaco (5), M. Spite (2), F. Spite (2), H.-G. Ludwig (1,2), R. Cayrel (2), S. Zaggia (6), F. Hammer (2), S. Randich (7), P. Molaro (8), V. Hill (9) ((1) ZAH-LSW Heidelberg, (2) GEPI - Obs. de Paris, CNRS, Univ. Paris Diderot, (3) Univ. de Picardie Jules Verne,(4) Max Planck Institut für Astrophysik, (5) ESO - Santiago, (6) INAF - Osservatorio Astronomico di Padova, (7) INAF - Osservatorio Astrofisico di Arcetri, (8) INAF - Osservatorio Astronomico di Trieste, (9) Univ. de Nice Sophia Antipolis, CNRS, OCA, Lab. Cassiopée)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Mar
- arXiv:1203.2612 [pdf]
NLTE strontium abundance in a sample of extremely metal poor stars and the Sr/Ba ratio in the early Galaxy
- Virtual Journal - Volume 9, Issue 14 - article #3
- S.M. Andrievsky, F. Spite, S.A. Korotin, P. Francois, M. Spite, P. Bonifacio, R. Cayrel, V. Hill
- arXiv.org - Astrophysics - Volume: 2011, Issue: 8 Apr
- arXiv:1104.0476 [pdf, ps, other]
First stars XIII. Two extremely metal-poor RR Lyrae stars?
- Virtual Journal - Volume 9, Issue 2 - article #3
- C. J. Hansen, B. Nordstroem, P. Bonifacio, M. Spite, J. Andersen, T. C. Beers, R. Cayrel, F. Spite, P. Molaro, B. Barbuy, E. Depagne, P. Francois V. Hill, B. Plez, T. Sivarani
- arXiv.org - Astrophysics - Volume: 2011, Issue: 14 Jan
- arXiv:1101.2207 [pdf, ps, other]
Sulphur abundances in halo stars from multiplet 3 at 1045 nm (p 725-730)
- Virtual Journal - Volume 8, Issue 30 - article #16
- E. Caffau, L. Sbordone, H.-G. Ludwig, P. Bonifacio, M. Spite
- Astronomische Nachrichten - Volume: 331, Issue: 7
- Abstract | References | Full Text: PDF (Size: 131K)
The metal-poor end of the Spite plateau. 1: Stellar parameters, metallicities and lithium abundances
- Virtual Journal - Volume 8, Issue 13 - article #9
- L. Sbordone (1 and 2 and 3), P. Bonifacio (1 and 2 and 4), E. Caffau (2), H.-G. Ludwig (1 and 2 and 5), N. T. Behara (1 and 2 and 6), J. I. Gonzalez Hernandez (1 and 2 and 7), M. Steffen (8), R. Cayrel (9), B. Freytag (9), C. Van't Veer (2), P. Molaro (4), B. Plez (10), T. Sivarani (11), M. Spite (2), F. Spite (2), T. C. Beers (12), N. Christlieb (5), P. Francois (2), V. Hill (2 and 13) ((1) CIFIST Marie Curie Excellence Team, (2) GEPI - Observatoire de Paris France, (3) Max Planck Institute for Astrophysics Garching Germany, (4) INAF - Oss. Trieste Italy, (5) Landessternwarte Heidelberg Germany, (6) Universite' Libre de Bruxelles Belgium, (7) Universidad Complutense de Madrid Spain, (8) Astrophysikalische Institut Pottsdam Germany, (9) Ecole Normale Superieure de Lyon France, (10) Universite' Montpellier France, (11) Indian Institute for Astrophysiscs Bangalore India, (12) Michigan State University USA, (13) Observatoire de la Cote d'Azur Nice France)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 26 Mar
- arXiv:1003.4510 [pdf, ps, other]
First stars XII. Abundances in extremely metal-poor turnoff stars,and comparison with the giants
- Virtual Journal - Volume 7, Issue 13 - article #4
- P. Bonifacio (1,2,3), M. Spite (2), R. Cayrel (2), V. Hill (2,4), F. Spite (2), P. Francois (2), B. Plez (5,6), H.-G Ludwig (1,2), E. Caffau (2), P. Molaro (3), E. Depagne (7), J. Andersen (8,9), B. Barbuy (10), T.C. Beers (11), B. Nordstrom (8), F. Primas (12) ((1) CIFIST (2) GEPI, Observatoire de Paris (3) INAF- OA Trieste (4) Cassiopee, Observatoire de la Cote d'Azur (5) GRAAL, Universite de Montpellier (6) Department of Physics & Astronomy, Uppsala Astronomical Observatory (7) Las Cumbres Observatory (8) The Niels Bohr Institute (9) Nordic Optical Telescope (10) IAG, Universidade de Sao Paulo (11) Department of Physics & Astronomy, CSCE, JINA, Michigan State University (12) European Southern Observatory)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 27 Mar
- arXiv:0903.4174 [ps, pdf, other]
Evolution of the barium abundance in the early Galaxy from a NLTE analysis of the Ba lines in a homogeneous sample of EMP stars
- Virtual Journal - Volume 7, Issue 7 - article #17
- S. M. Andrievsky, M. Spite, S. A. Korotin, F. Spite, P. François, P. Bonifacio, R. Cayrel, and V. Hill
- Astronomy and Astrophysics - Volume: 494, Issue: 3
- Abstract | PDF file (646.3 KB) | PS file (2.446 MB)
Evolution of the Barium abundance in the early Galaxy from a NLTE analysis of the Ba lines in a homogeneous sample of EMP stars
- Virtual Journal - Volume 7, Issue 6 - article #2
- S.M. Andrievsky (GEPI), M. Spite (GEPI), S. A. Korotin, F. Spite (GEPI), P. Francois (GEPI), P. Bonifacio (GEPI, Cifist), R. Cayrel (GEPI), V. Hill (GEPI)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 5 Feb
- arXiv:0902.0450 [ps, pdf, other]
First stars X. The nature of three unevolved carbon-enhanced metal-poor stars
- Virtual Journal - Volume 6, Issue 36 - article #17
- T. Sivarani, T. C. Beers, P. Bonifacio, P. Molaro, R. Cayrel, F. Herwig, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, E. Depagne, V. Hill, P. François, B. Nordström and F. Primas
- Astronomy and Astrophysics - Volume: 459, Issue: 1
- Abstract | Full HTML | PDF file (270 KB) | PS file (535 KB) | References
First stars VII - Lithium in extremely metal poor dwarfs
- Virtual Journal - Volume 6, Issue 36 - article #23
- P. Bonifacio, P. Molaro, T. Sivarani, R. Cayrel, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, T. C. Beers, E. Depagne, V. Hill, P. François, B. Nordström, and F. Primas
- Astronomy and Astrophysics - Volume: 462, Issue: 3
- Abstract | Full HTML | PDF file (679.6 KB) | References | Online Material
NLTE determination of the aluminium abundance in a homogeneous sample of extremely metal-poor stars
- Virtual Journal - Volume 6, Issue 13 - article #16
- S. M. Andrievsky, M. Spite, S. A. Korotin, F. Spite, P. Bonifacio, R. Cayrel, V. Hill, and P. François
- Astronomy and Astrophysics - Volume: 481, Issue: 2
- Abstract | PDF file (203.8 KB) | PS file (71.07 KB)
Chemical abundances in LMC stellar populations - I. The inner disk sample
- Virtual Journal - Volume 6, Issue 10 - article #4
- L. Pompéia, V. Hill, M. Spite, A. Cole, F. Primas, M. Romaniello, L. Pasquini, M.-R. Cioni, and T. Smecker Hane
- Astronomy and Astrophysics - Volume: 480, Issue: 2
- Abstract | PDF file (1.026 MB) | PS file (498.7 KB)
First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032
- Virtual Journal - Volume 6, Issue 9 - article #5
- J. I. González Hernández, P. Bonifacio, H.-G. Ludwig, E. Caffau, M. Spite, F. Spite, R. Cayrel, P. Molaro, V. Hill, P. François, B. Plez, T. C. Beers, T. Sivarani, J. Andersen, B. Barbuy, E. Depagne, B. Nordström, and F. Primas
- Astronomy and Astrophysics - Volume: 480, Issue: 1
- Abstract | PDF file (648.5 KB) | PS file (240.7 KB)
The ESO Large Programme First Stars
- Virtual Journal - Volume 6, Issue 2 - article #36
- P. Bonifacio (1,2,3), J. Andersen (4,5), S. Andrievsky (6), B. Barbuy (7), T. C. Beers (8), E. Caffau (2), R. Cayrel (2), E. Depagne (9), P. Francois (2), J. I. Gonzalez Hernandez (1,2), C. J. Hansen (10), F. Herwig (11), V. Hill (2), S. A. Korotin (6), H.-G. Ludwig (1,2), P. Molaro (3), B. Nordstrom (4), B. Plez (12), F. Primas (10), T. Sivarani (8), F. Spite (2), M. Spite (2) ((1) CIFIST Marie Curie Excellence Team, (2) GEPI, Observatoire de Paris, CNRS, Universite' Paris Diderot, (3) Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Trieste, (4) The Niels Bohr Institute, Astronomy, (5) Nordic Optical Telescope, (6) Department of Astronomy and Astronomical Observatory, Odessa National University, (7) Universidade de Sao Paulo, Departamento de Astronomia, (8) Department of Physics & Astronomy and JINA: Joint Institute for Nuclear Astrophysics, Michigan State University, (9) Las Cumbres Observatory, Santa Barbara, (10) European Southern Observatory (ESO), (11) Keele Astrophysics Group, School of Physical and Geographical Sciences, Keele University, (12) GRAAL, Université de Montpellier II)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 10 Jan
- arXiv:0801.1293 [ps, pdf, other]
First Stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876--032
- Virtual Journal - Volume 5, Issue 51 - article #27
- J. I. González Hernández, P. Bonifacio, H.-G. Ludwig, E. Caffau, M. Spite, F. Spite, R. Cayrel, P. Molaro, V. Hill, P. François, B. Plez, T. C. Beers, T. Sivarani, J. Andersen, B. Barbuy, E. Depagne, B. Nordström, F. Primas
- arXiv.org - Astrophysics - Volume: 2007, Issue: 20 Dec
- arXiv:0712.2949 [ps, pdf, other]
First stars - VIII. Enrichment of the neutron-capture elements in the early Galaxy
- Virtual Journal - Volume 5, Issue 48 - article #10
- P. François, E. Depagne, V. Hill, M. Spite, F. Spite, B. Plez, T. C. Beers, J. Andersen, G. James, B. Barbuy, R. Cayrel, P. Bonifacio, P. Molaro, B. Nordström, and F. Primas
- Astronomy and Astrophysics - Volume: 476, Issue: 2
- Abstract | PDF file (576.9 KB) | PS file (194.8 KB)
First Stars VIII -- Enrichment of the neutron-capture elements in the early Galaxy
- Virtual Journal - Volume 5, Issue 39 - article #11
- P. Francois, E. Depagne, V. Hill, M. Spite, F. Spite, B. Plez, T. C. Beers, J. Andersen, G. James, B. Barbuy, R. Cayrel, P. Bonifacio, P. Molaro, B. Nordström, F. Primas
- arXiv.org - Astrophysics - Volume: 2007, Issue: 27 Sep
- arXiv:0709.3454 [ps, pdf, other]
Line shift, line asymmetry, and the $mathsf$

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

Virtual Journal - Volume 4, Issue 32 - article #10
T. Sivarani, T. C. Beers, P. Bonifacio, P. Molaro, R. Cayrel, F. Herwig, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, E. Depagne, V. Hill, P. Francois, B. Nordstrom, F. Primas

ArXiv - Astrophysics

astro-ph/0608112 [abs, ps, pdf, other]

First stars IX - Mixing in extremely metal-poor giants. Variation of the ¹²C/¹³C, [Na/Mg] and [Al/Mg] ratios

Virtual Journal - Volume 4, Issue 31 - article #15
M. Spite, R. Cayrel, V. Hill, F. Spite, P. FranÃ§ois, B. Plez, P. Bonifacio, P. Molaro, E. Depagne, J. Andersen, B. Barbuy, T. C. Beers, B. NordstrÃ¶m and F. Primas

Astronomy and Astrophysics - Volume 455, Issue 1 - August, 2006

Abstract, Full HTML, PDF file (303 KB), PS file (107 KB), References

First stars IX -Mixing in extremely metal-poor giants. Variation of the 12C/13C, [Na/Mg] and [Al/Mg] ratios

Virtual Journal - Volume 4, Issue 18 - article #18
M. Spite (1), R. Cayrel (1), V. Hill (1), F. Spite (1), P. Francois (1), B. Plez (2), P. Bonifacio (1), P. Molaro (1,4), E. Depagne (3), J. Andersen (7,8), B. Barbuy (5), T.C. Beers (6), B. Nordstroem (7,9), F. Primas (10)

ArXiv - Astrophysics

astro-ph/0605056 [abs, ps, pdf, other]

The chemical evolution of barium and europium in the Milky Way

Virtual Journal - Volume 4, Issue 9 - article #11
G. Cescutti, P. FranÃ§ois, F. Matteucci, R. Cayrel and M. Spite

Astronomy and Astrophysics - Volume 448, Issue 2 - February, 2006

Abstract, PDF file (461 KB), PS file (329 KB)

The chemical evolution of Barium and Europium in the Milky Way

Virtual Journal - Volume 3, Issue 42 - article #16
G. Cescutti (1), P. Francois (2), F. Matteucci (1), R. Cayrel (2), M. Spite (2) ((1) Dip.di Astronomia, Univ.di Trieste; (2)Observatoire de Paris/Meudon)

ArXiv - Astrophysics – October 2005

astro-ph/0510496 [abs, ps, pdf, other]

First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements

Virtual Journal - Volume 3, Issue 3 - article #15
M. Spite, R. Cayrel, B. Plez, V. Hill, F. Spite, E. Depagne, P. FranÃ§ois, P. Bonifacio, B. Barbuy, T. Beers, J. Andersen, P. Molaro, B. NordstrÃ¶m and F. Primas

Astronomy and Astrophysics – Vol 430, No 2 – January 2005

Abstract , PDF file (447 KB) , PS file (137 KB)

New analysis of the two carbon-rich stars CS 22948-27 and CS 29497-34: Binarity and neutron capture elements

Virtual Journal - Volume 3, Issue 1 - article #4
B. Barbuy, M. Spite, F. Spite, V. Hill, R. Cayrel, B. Plez and P. Petitjean

Astronomy and Astrophysics – Vol 429, No 3 – January 2005

Abstract , PDF file (316 KB) , PS file (95.4 KB)

Lead abundance in the uranium star CS 31082-001

Virtual Journal - Volume 2, Issue 47 - article #22
B. Plez, V. Hill, R. Cayrel, M. Spite, B. Barbuy, T. C. Beers, P. Bonifacio, F. Primas and B. NordstrÃ¶m

Astronomy and Astrophysics – Vol 428, No 1 – November 2004

Abstract , Full HTML , PDF file (187 KB) , PS file (227 KB) , References

Lead abundance in the uranium star CS 31082-001

Virtual Journal - Volume 2, Issue 43 - article #12
B. Plez, V. Hill, R. Cayrel, M. Spite, B. Barbuy, T.C. Beers, P. Bonifacio, F. Primas, B. NordstrÃ¶m

arXiv - Astrophysics – October 2004

astro-ph/0410628 [ abs , ps , pdf , other ]

First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements

Virtual Journal - Volume 2, Issue 38 - article #7
M. Spite (1), R. Cayrel (1), B. Plez (2), V. Hill (1), F. Spite (1), E. Depagne (3), P. Francois (1), P. Bonifacio (4), B. Barbuy (5), T. Beers (6), J. Andersen (7 and 8), P. Molaro (4), B. Nordstroem (7 and 9), F. Primas (3) ((1) GEPI Obs. Paris, (2) GRAAL Univ. Montpellier II, (3) ESO, (4) INAF-OA Trieste, (5) Dept Phys. Astr. Michigan State Univ. and JINA, (6) IAG Univ. Sao Paulo, (7) Astr. Obs. Copenhagen NBIfAFG, (8) Nordic Opt. Telescope Sci. Assoc., (9) Lund Obs.)

arXiv - Astrophysics – October 2004

astro-ph/0409536 [ abs , ps , pdf , other ]

New analysis of the two carbon-rich stars CS 22948-27 and CS 29497-34 : binarity and neutron-capture elements

Virtual Journal - Volume 2, Issue 36 - article #3
B. Barbuy, M. Spite, F. Spite, V. Hill, R. Cayrel, B. Plez, P. Petitjean

arXiv – Astrophysics – September 2004

astro-ph/0409213 [ abs , ps , pdf , other ]

The evolution of the Milky Way from its earliest phases: Constraints on stellar nucleosynthesis

Virtual Journal - Volume 2, Issue 25 - article #56
P. FranÃ§ois, F. Matteucci, R. Cayrel, M. Spite, F. Spite and C. Chiappini

Astronomy and Astrophysics – Vol. 421 No. 2 – June 2004

Abstract , PDF file (706 KB) , PS file (319 KB)

First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy

Virtual Journal - Volume 2, Issue 10 - article #31
R. Cayrel, E. Depagne, M. Spite, V. Hill, F. Spite, P. FranÃ§ois, B. Plez, T. Beers, F. Primas, J. Andersen, B. Barbuy, P. Bonifacio, P. Molaro and B. NordstrÃ¶m

Astronomy and Astrophysics - Vol. 416 No. 3

Abstract , Full HTML , PDF file (661 KB) , PS file (186 KB)

First stars IV. CS 29497-030: Evidence for operation of the s -process at very low metallicity

Virtual Journal - Volume 2, Issue 1 - article #29
T. Sivarani, P. Bonifacio, P. Molaro, R. Cayrel, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, T. C. Beers, E. Depagne, V. Hill, P. FranÃ§ois, B. NordstrÃ¶m and F. Primas

Astronomy and Astrophysics - Vol. 413 No. 3

Abstract , Full HTML, PDF file (431 KB) , PS file (169 KB)

First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy

Virtual Journal - Volume 1, Issue 17 - article #13
R. Cayrel, E. Depagne, M. Spite, V. Hill, F. Spite, P. Francois, B. Plez, T. Beers, F. Primas, J. Andersen, B. Barbuy, P. Bonifacio, P. Molaro, B. Nordstrom </A&gt,

arXiv.org - Astrophysics - Wed, 5 Nov 2003

astro-ph/0311082 [ abs , ps , pdf , other ]

First stars IV.CS 29497-030: Evidence for operation of the s-process at very low metallicity

Virtual Journal - Volume 1, Issue 14 - article #37
T. Sivarani(1), P. Bonifacio(1), P. Molaro(1), R. Cayrel(2), M. Spite(2), F. Spite(2), B. Plez(3), J. Andersen(4), B. Barbuy(5), T. C. Beers(6), E. Depagne(7), V. Hill(2), P. Francois(2), B. Nordstrom (8,4), F. Primas(9) ((1) INAF-OA Trieste, (2) Observatoire de Paris-Meudon, (3) GRAAL, Univ. Montpellier, (4) Astronomical Observatory, NBIfAFG, Copenhagen, (5) IAG, Universidade de Sao Paulo, (6) Michigan State University, (7) ESO-Chile, (8) Lund Observatory, (9) ESO-Garching)

arXiv.org - Astrophysics - Mon, 13 Oct 2003

astro-ph/0310291 [ abs , ps , pdf , other ]

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