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Results 1 - 74 of 74

TOPoS
- Volume 17, Issue 38 - article #7
- P. Bonifacio, L. Monaco, S. Salvadori, E. Caffau, M. Spite, L. Sbordone, F. Spite, H.-G. Ludwig, P. Di Matteo, M. Haywood, P. FranÃ§ois, A. J. Koch-Hansen, N. Christlieb, S. Zaggia
- Astronomy & Astrophysics
- https://www.aanda.org/10.1051/0004-6361/202140816e
The 6Li/7Li isotopic ratio in the metal-poor binary CS22876–032★★★
- Volume 14, Issue 33 - article #9
- J. I. GonzÃ¡lez HernÃ¡ndez, P. Bonifacio, E. Caffau, H.-G. Ludwig, M. Steffen, L. Monaco, R. Cayrel
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/KN1VdyMKOdY/201936011
4MOST Consortium Survey 2: The Milky Way Halo High-Resolution Survey. (arXiv:1903.02468v1 [astro-ph.GA])
- Volume 14, Issue 10 - article #2
- N. Christlieb, C. Battistini, P. Bonifacio, E. Caffau, H.-G. Ludwig, M. Asplund, P. Barklem, M. Bergemann, R. Church, D. Ford, E.K. Grebel, C.J. Hansen, A. Helmi, G. Kordopatis, M. Kovalev, A. Korn, K. Lind, A. Quirrenbach, J. Rybizki, Á. Skúladóttir, E. Starkenburg
- http://arxiv.org/abs/1903.02468
TOPoS V: Abundance ratios in a sample of very metal-poor turn-off stars. (arXiv:1811.00035v1 [astro-ph.SR])
- Volume 13, Issue 44 - article #4
- 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
Abundance of zinc in the red giants of Galactic globular cluster 47 Tucanae. (arXiv:1806.03132v1 [astro-ph.SR])
- Volume 13, Issue 24 - article #2
- A. Černiauskas, A.Kučinskas, J.Klevas, P.Bonifacio, H.-G. Ludwig, E.Caffau, M. Steffen
- http://arxiv.org/abs/1806.03132
Abundances of Mg and K in the atmospheres of turn-off stars in Galactic globular cluster 47 Tucanae. (arXiv:1804.10033v1 [astro-ph.SR])
- Volume 13, Issue 17 - article #4
- A. Černiauskas, A. Kučinskas, J. Klevas, V. Dobrovolskas, S. Korotin, P. Bonifacio, H.-G. Ludwig, E. Caffau, M. Steffen
- http://arxiv.org/abs/1804.10033
Using the CIFIST grid of CO5BOLD 3D model atmospheres to study the effects of stellar granulation on photometric colours. II. The role of convection accross the H-R diagram. (arXiv:1802.00073v1 [astro-ph.SR])
- Volume 13, Issue 5 - article #9
- A. Kučinskas, J. Klevas, H.-G. Ludwig, P. Bonifacio, M. Steffen, E. Caffau
- http://arxiv.org/abs/1802.00073
TOPoS: IV. Chemical abundances from high-resolution observations of seven EMP stars. (arXiv:1801.03935v1 [astro-ph.SR])
- Volume 13, Issue 3 - article #7
- 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
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 SDDS systems. (arXiv:1712.00024v1 [astro-ph.SR])
- Volume 12, Issue 49 - article #9
- P. Bonifacio, E. Caffau, H.-G. Ludwig, M.Steffen, F. Castelli, A.J. Gallagher, A.Kučinskas, D. Prakapavičius, R. Cayrel, B. Freytag, B. Plez, D. Homeier
- http://arxiv.org/abs/1712.00024
Carbon-enhanced metal-poor 3D model atmospheres. (arXiv:1708.05686v1 [astro-ph.SR])
- Volume 12, Issue 34 - article #7
- M. Steffen, A.J. Gallagher, E. Caffau, P. Bonifacio, H.-G. Ludwig
- http://arxiv.org/abs/1708.05686
The Gaia-ESO Survey: Galactic evolution of sulphur and zinc. (arXiv:1704.02981v1 [astro-ph.SR])
- Volume 12, Issue 15 - article #1
- S. Duffau, E. Caffau, L. Sbordone, P. Bonifacio, S. Andrievsky, S. Korotin, C. Babusiaux, S. Salvadori, L. Monaco, P. Francois, A. Skuladottir, A. Bragaglia, P. Donati, L. Spina, A. J. Gallagher, H.-G. Ludwig, N. Christlieb, C. J. Hansen, A. Mott, M. Steffen, S. Zaggia, S. Blanco-Cuaresma, F. Calura, E. Friel, F. M. Jimenez-Esteban, A. Koch, L. Magrini, E. Pancino, B. Tang, G. Tautvaisiene, A. Vallenari, K. Hawkins, G. Gilmore, S. Randich, S. Feltzing, T. Bensby, E. Flaccomio, R. Smiljanic, A. Bayo, G. Carraro, A.R. Casey, M. T. Costado, F. Damiani, E. Franciosini, A. Hourihane, P. Jofre, C. Lardo, J. Lewis, L. Morbidelli, S. G. Sousa, C. C. Worley
- http://arxiv.org/abs/1704.02981
TOPoS
- Volume 11, Issue 45 - article #20
- E. Caffau, P. Bonifacio, M. Spite, F. Spite, L. Monaco, L. Sbordone, P. FranÃ§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])
- Volume 11, Issue 42 - article #7
- 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
Lithium spectral line formation in stellar atmospheres. The impact of convection and NLTE effects
- Volume 11, Issue 1 - article #2
- J. Klevas, A. Kučinskas, M. Steffen, E. Caffau, H.-G. Ludwig
- arXiv.org - Astrophysics - Volume: 2016, Issue: 1 Jan
- arXiv:1512.08999 [pdf, ps, other]
Stellar science from a blue wavelength range
- Volume 10, Issue 33 - article #12
- C. J. Hansen, H.-G. Ludwig, W. Seifert, A. Koch, W. Xu, E. Caffau, N. Christlieb, A. J. Korn, K. Lind, L. Sbordone, G. Ruchti, S. Feltzing, R. S. de Jong, S. Barden and O. Schnurr
- Astronomische Nachrichten - Volume: 336, Issue: 7
- Abstract PDF(402K)PDF(402K)References Request Permissions
Stellar science from a blue wavelength range - A possible design for the blue arm of 4MOST
- Volume 10, Issue 29 - article #8
- C. J. Hansen, H.-G. Ludwig, W. Seifert, A. Koch, W. Xu, E. Caffau, N. Christlieb, A. J. Korn, K. Lind, L. Sbordone, G. Ruchti, S. Feltzing, R. S. de Jong, S. Barden, O. Schnurr
- arXiv.org - Astrophysics - Volume: 2015, Issue: 14 Aug
- arXiv:1508.02714 [pdf, ps, other]
A three-dimensional hydrodynamical line profile analysis of iron lines and barium isotopes in HD140283
- Volume 10, Issue 14 - article #1
- A. J. Gallagher, H.-G. Ludwig, S. G. Ryan, W. Aoki
- arXiv.org - Astrophysics - Volume: 2015, Issue: 10 Apr
- arXiv:1504.02353 [pdf, other]
The chemical composition of red giants in 47 Tucanae - I. Fundamental parameters and chemical abundance patterns
- Volume 9, Issue 25 - article #36
- A. O. Thygesen, L. Sbordone, S. Andrievsky, S. Korotin, D. Yong, S. Zaggia, H.-G. Ludwig, R. Collet, M. Asplund, P. Ventura, et al. (3 more) F. DâAntona, J. MelÃ©ndez and A. DâErcole
- Astronomy and Astrophysics - Volume: 572, Issue: December 2014
- http://dx.doi.org/10.1051/0004-6361/201424533
  Abstract Full HTML PDF (1.108 MB) ePUB (2.986 MB) References Online Material Tables at CDS NASA ADS Abstract Service
The Gaia-ESO Survey: The analysis of high-resolution UVES spectra of FGK-type stars
- Volume 9, Issue 24 - article #41
- R. Smiljanic, A. J. Korn, M. Bergemann, A. Frasca, L. Magrini, T. Masseron, E. Pancino, G. Ruchti, I. San Roman, L. Sbordone, et al. (92 more) S. G. Sousa, H. Tabernero, G. TautvaiÅ¡ienÄ, M. Valentini, M. Weber, C. C. Worley, V. Zh. Adibekyan, C. Allende Prieto, G. BariseviÄius, K. Biazzo, S. Blanco-Cuaresma, P. Bonifacio, A. Bragaglia, E. Caffau, T. Cantat-Gaudin, Y. Chorniy, P. de Laverny, E. Delgado-Mena, P. Donati, S. Duffau, E. Franciosini, E. Friel, D. Geisler, J. I. GonzÃ¡lez HernÃ¡ndez, P. Gruyters, G. Guiglion, C. J. Hansen, U. Heiter, V. Hill, H. R. Jacobson, P. Jofre, H. JÃ¶nsson, A. C. Lanzafame, C. Lardo, H.-G. Ludwig, E. Maiorca, Å . Mikolaitis, D. Montes, T. Morel, A. Mucciarelli, C. MuÃ±oz, T. Nordlander, L. Pasquini, E. Puzeras, A. Recio-Blanco, N. Ryde, G. Sacco, N. C. Santos, A. M. Serenelli, R. Sordo, C. Soubiran, L. Spina, M. Steffen, A. Vallenari, S. Van Eck, S. Villanova, G. Gilmore, S. Randich, M. Asplund, J. Binney, J. Drew, S. Feltzing, A. Ferguson, R. Jeffries, G. Micela, I. Negueruela, T. Prusti, H-W. Rix, E. Alfaro, C. Babusiaux, T. Bensby, R. Blomme, E. Flaccomio, P. FranÃ§ois, M. Irwin, S. Koposov, N. Walton, A. Bayo, G. Carraro, M. T. Costado, F. Damiani, B. Edvardsson, A. Hourihane, R. Jackson, J. Lewis, K. Lind, G. Marconi, C. Martayan, L. Monaco, L. Morbidelli, L. Prisinzano and S. Zaggia
- Astronomy and Astrophysics - Volume: 570, Issue: October 2014
- http://dx.doi.org/10.1051/0004-6361/201423937
  Abstract Full HTML PDF (2.785 MB) ePUB (2.948 MB) References Online Material Tables at CDS SIMBAD record NASA ADS Abstract Service
Oxygen in the early Galaxy: OH lines as tracers of oxygen abundance in extremely metal-poor giant stars
- Volume 9, Issue 22 - article #15
- 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]
The chemical composition of red giants in 47 Tucanae I: Fundamental parameters and chemical abundance patterns
- Volume 9, Issue 22 - article #24
- A. O. Thygesen, L. Sbordone, S. Andrievsky, S. Korotin, D. Yong, S. Zaggia, H.-G. Ludwig, R. Collet, M. Asplund, F. D'Antona, J. Meléndez, A. D'Ercole
- arXiv.org - Astrophysics - Volume: 2014, Issue: 19 Sep
- arXiv:1409.4694 [pdf, other]
Clues on the Galactic evolution of sulphur from star clusters
- Volume 9, Issue 22 - article #61
- 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
Abundances of lithium, oxygen, and sodium in the turn-off stars of Galactic globular cluster 47 Tucanae
- Volume 9, Issue 21 - article #32
- V. Dobrovolskas, A. KuÄinskas, P. Bonifacio, S. A. Korotin, M. Steffen, L. Sbordone, E. Caffau, H.-G. Ludwig, F. Royer and D. PrakapaviÄius
- Astronomy and Astrophysics - Volume: 565, Issue: May 2014
- http://dx.doi.org/10.1051/0004-6361/201322868
  Abstract Full HTML PDF (1.179 MB) ePUB (2.028 MB) References Online Material NASA ADS Abstract Service
White Dwarfs in the UKIRT Infrared Deep Sky Survey Data Release 9
- Volume 9, Issue 21 - article #68
- P.-E. Tremblay, S. K. Leggett, N. Lodieu, B. Freytag, P. Bergeron, J. S. Kalirai, and H.-G. Ludwig
- The Astrophysical Journal - Volume: 788, Issue: 2
- View article PDF (1.04 MB)
Clues on the Galactic evolution of sulphur from star clusters
- Volume 9, Issue 20 - article #124
- 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]
Isotope spectroscopy
- Volume 9, Issue 4 - article #22
- E. Caffau, M. Steffen, P. Bonifacio, H.-G. Ludwig, L. Monaco, G. Lo Curto and I. Kamp
- Astronomische Nachrichten - Volume: 335, Issue: 1
- Abstract PDF(227K)References Request Permissions
TOPoS - I. Survey design and analysis of the first sample
- Volume 8, Issue 51 - article #15
- E. Caffau, P. Bonifacio, L. Sbordone, P. FranÃ§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
- Volume 8, Issue 51 - article #16
- E. Caffau, P. Bonifacio, P. FranÃ§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
Abundances of lithium, oxygen, and sodium in the turn-off stars of Galactic globular cluster 47 Tuc
- Volume 8, Issue 45 - article #2
- V. Dobrovolskas, A. Kučinskas, P. Bonifacio, S. A. Korotin, L. Sbordone, E. Caffau, D. Prakapavičius, M. Steffen, H.-G. Ludwig, F. Royer
- arXiv.org - Astrophysics - Volume: 2013, Issue: 8 Nov
- arXiv:1311.1072 [pdf, ps, other]
X-Shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars
- Volume 8, Issue 38 - article #14
- 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?
- Volume 8, Issue 16 - article #17
- 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
Carbon-enhanced metal-poor stars: the most pristine objects?
- Volume 8, Issue 10 - article #3
- Monique Spite (GEPI), E. Caffau (GEPI, ZAH), Piercarlo Bonifacio (GEPI), François Spite (GEPI), H.-G. Ludwig (GEPI, ZAH), Bertrand PLEZ (LUPM), Norbert Christlieb (ZAH)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 8 Mar
- arXiv:1303.1791 [pdf, ps, other]
Velocity and abundance precisions for future high-resolution spectroscopic surveys: A study for 4MOST
- Volume 8, Issue 10 - article #6
- E. Caffau, A. Koch, L. Sbordone, P. Sartoretti, C.J. Hansen, F. Royer, N. Leclerc, P. Bonifacio, N. Christlieb, H.-G. Ludwig, E.K. Grebel, R.S. de Jong, C. Chiappini, J. Walcher, S. Mignot, S. Feltzing, M. Cohen, I. Minchev, A. Helmi, T. Piffl, E. Depagne and O. Schnurr
- Astronomische Nachrichten - Volume: 334, Issue: 3
- Abstract PDF(368K)References Request Permissions
Fluorine Abundances of Galactic Low-metallicity Giants
- Volume 8, Issue 10 - article #11
- H. N. Li, H.-G. Ludwig, E. Caffau, N. Christlieb, and G. Zhao
- The Astrophysical Journal - Volume: 765, Issue: 1
- Abstract References Full text PDF (475 KB) Enhanced article HTML
Fluorine Abundances of Galactic Low-Metallicity Giants
- Volume 8, Issue 8 - article #3
- H. N. Li, H.-G. Ludwig, E. Caffau, N. Christlieb, G. Zhao
- arXiv.org - Astrophysics - Volume: 2013, Issue: 22 Feb
- arXiv:1302.3928 [pdf, ps, other]
Spectroscopic and photometric studies of white dwarfs in the Hyades
- Volume 7, Issue 51 - article #71
- P.-E. Tremblay, E. Schilbach, S. RÃ¶ser, S. Jordan, H.-G. Ludwig and B. Goldman
- Astronomy and Astrophysics - Volume: 547, Issue: November 2012
- http://dx.doi.org/10.1051/0004-6361/201220057
  Abstract | Full HTML | PDF (422.5 KB) | References | NASA ADS Abstract Service
Three-dimensional hydrodynamical CO⁵BOLD model atmospheres of red giant stars - I. Atmospheric structure of a giant located near the RGB tip
- Volume 7, Issue 51 - article #77
- H.-G. Ludwig and A. KuÄinskas
- Astronomy and Astrophysics - Volume: 547, Issue: November 2012
- http://dx.doi.org/10.1051/0004-6361/201220264
  Abstract | Full HTML | PDF (11.04 MB) | References | NASA ADS Abstract Service
Spectroscopic and photometric studies of white dwarfs in the Hyades
- Volume 7, Issue 38 - article #12
- P.-E. Tremblay, E. Schilbach, S. Röser, S. Jordan, H.-G. Ludwig, B. Goldman
- arXiv.org - Astrophysics - Volume: 2012, Issue: 21 Sep
- arXiv:1209.4309 [pdf, ps, other]
6Li detection in metal-poor stars: can 3D model atmospheres solve the second lithium problem?
- Volume 7, 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
- Volume 7, Issue 15 - article #5
- 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
- Volume 7, Issue 11 - article #3
- 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
- Volume 7, Issue 11 - article #5
- 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]
Barium abundance in red giants of NGC 6752. Non-local thermodynamic equilibrium and three-dimensional effects
- Volume 7, Issue 11 - article #6
- V. Dobrovolskas (1), A. Kučinskas (2,1), S. M. Andrievsky (3,4), S. A. Korotin (3), T. V. Mishenina (3), P. Bonifacio (4), H.-G. Ludwig (5), E. Caffau (5,4) ((1) Vilnius Univ. Astronomical Observatory, (2) Institute of Theoretical Physics and Astronomy, Vilnius Univ., (3) Department of Astronomy and Astronomical Observatory, Odessa National University, (4) GEPI, Obs. de Paris, (5) Zentrum für Astronomie der Universität Heidelberg)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Mar
- arXiv:1203.3124 [pdf, ps, other]
X-Shooter GTO: Chemical analysis of a sample of EMP candidates
- Volume 6, Issue 36 - article #22
- E. Caffau (1,2), P. Bonifacio (2), P. François (2,3), M. Spite (2), F. Spite (2), S. Zaggia (4), H.-G. Ludwig (1,2), L. Monaco (5), L. Sbordone (1,2,6), R. Cayrel (2), F. Hammer (2), S. Randich (7), V. Hill (8), P. Molaro (9), ((1) Zentrum für Astronomie der Universität Heidelberg, Landessternwarte, (2) GEPI, Observatoire de Paris, CNRS, Univ. Paris Diderot, (3) UPJV, Université de Picardie Jules Verne, (4) INAF - Osservatorio Astronomico di Padova, (5) European Southern Observatory, (6) Max-Planck Institut für Astrophysik, (7) INAF - Osservatorio Astrofisico di Arcetri, (8) Université de Nice Sophia Antipolis, CNRS, Observatoire de la Côte d'Azur, Laboratoire Cassiopé e, (9) INAF - Osservatorio Astronomico di Trieste)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 9 Sep
- arXiv:1109.0992 [pdf, ps, other]
Lithium and sodium in the globular cluster M4. A Main Sequence star with Li compatible with the cosmological value: nature or nurture?
- Volume 6, Issue 31 - article #7
- L. Monaco (1), S. Villanova (2), P. Bonifacio (3), E. Caffau (4,3), D. Geisler (2), G. Marconi (1), Y. Momany (1), H.-G. Ludwig (4,3) ((1) European Southern Observatory, Chile, (2) Universidad de Concepción, Chile, (3) GEPI, Observatoire de Paris, CNRS, Univ. Paris Diderot, France, (4) Zentrum für Astronomie der Universität Heidelberg, Germany)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 5 Aug
- arXiv:1108.0138 [pdf, other]
First Stars XIV. Sulphur abundances in extremely metal-poor (EMP) stars
- Volume 5, Issue 52 - article #6
- Monique Spite (GEPI), E. Caffau (GEPI, ZAU), S.M. Andrievsky (GEPI), S. A. Korotin, E. Depagne, F. Spite (GEPI), P. Bonifacio (GEPI), H.-G. Ludwig (ZAU), R. Cayrel (GEPI), P. Francois (GEPI), V. Hill (CASSIOPEE), B. Plez (GRAAL), J. Andersen (The Niels Bohr Institute, Astronomy Group), B. Barbuy, T. C. Beers (MSU), P. Molaro (INAF-OAT), B. Nordstrom (The Niels Bohr Institute, Astronomy Group), F. Primas (ESO)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 24 Dec
- arXiv:1012.4358 [pdf, ps, other]
Radiative hydrodynamics simulations of red supergiant stars. III. Spectro-photocentric variability, photometric variability, and consequences on Gaia measurements
- Volume 5, Issue 52 - article #11
- A. Chiavassa, E. Pasquato, A. Jorissen, S. Sacuto, C. Babusiaux, B. Freytag, H.-G. Ludwig, P. Cruzalebes, Y. Rabbia, A. Spang, O. Chesneau
- arXiv.org - Astrophysics - Volume: 2010, Issue: 24 Dec
- arXiv:1012.5234 [pdf, ps, other]
Chemical abundances in metal-poor giants: limitations imposed by the use of classical 1D stellar atmosphere models
- Volume 5, Issue 42 - article #4
- V. Dobrovolskas, A. Kučinskas, H.-G. Ludwig, E. Caffau, J. Klevas, D. Prakapavičius
- arXiv.org - Astrophysics - Volume: 2010, Issue: 15 Oct
- arXiv:1010.2507 [pdf, ps, other]
Sulphur abundances in halo stars from multiplet 3 at 1045 nm (p 725-730)
- Volume 5, Issue 30 - article #19
- E. Caffau, L. Sbordone, H.-G. Ludwig, P. Bonifacio, M. Spite
- Astronomische Nachrichten - Volume: 331, Issue: 7
- Abstract | References | Full Text: PDF (Size: 131K)
Galactic Evolution of Oxygen: OH lines in 3D hydrodynamical model atmospheres
- Volume 5, Issue 21 - article #8
- J. I. Gonzalez Hernandez, P. Bonifacio, H.-G. Ludwig, E. Caffau, N. T. Behara, B. Freytag
- arXiv.org - Astrophysics - Volume: 2010, Issue: 21 May
- arXiv:1005.3754 [pdf, ps, other]
The metal-poor end of the Spite plateau. 1: Stellar parameters, metallicities and lithium abundances
- Volume 5, Issue 13 - article #19
- 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]
Three carbon-enhanced metal-poor dwarf stars from the SDSS - Chemical abundances from CO^5BOLD 3D hydrodynamical model atmospheres
- Volume 5, Issue 7 - article #12
- N.T. Behara, P. Bonifacio, H.-G. Ludwig, L. Sbordone, J.I. González Hernández, E. Caffau
- arXiv.org - Astrophysics - Volume: 2010, Issue: 12 Feb
- arXiv:1002.1670 [pdf, ps, other]
Convection and 6Li in the atmospheres of metal-poor halo stars
- Volume 5, Issue 4 - article #5
- M. Steffen, R. Cayrel, P. Bonifacio, H.-G. Ludwig, E. Caffau
- arXiv.org - Astrophysics - Volume: 2010, Issue: 22 Jan
- arXiv:1001.3274 [ps, pdf, other]
Main-Sequence and sub-giant stars in the Globular Cluster NGC6397: The complex evolution of the lithium abundance
- Volume 5, Issue 1 - article #8
- J. I. González Hernández, P. Bonifacio, E. Caffau, M. Steffen, H.-G. Ludwig, N. Behara, L. Sbordone, R. Cayrel, S. Zaggia
- arXiv.org - Astrophysics - Volume: 2009, Issue: 31 Dec
- arXiv:0912.4105 [ps, pdf, other]
Main-Sequence and sub-giant stars in the Globular Cluster NGC6397: The complex evolution of the lithium abundance
- Volume 4, Issue 52 - article #9
- J. I. González Hernández, P. Bonifacio, E. Caffau, M. Steffen, H.-G. Ludwig, N. Behara, L. Sbordone, R. Cayrel, S. Zaggia
- arXiv.org - Astrophysics - Volume: 2009, Issue: 25 Dec
- arXiv:0912.4105 [ps, pdf, other]
6Li in metal-poor halo stars: real or spurious?
- Volume 4, Issue 45 - article #1
- M. Steffen, R. Cayrel, P. Bonifacio, H.-G. Ludwig, E. Caffau
- arXiv.org - Astrophysics - Volume: 2009, Issue: 6 Nov
- arXiv:0910.5917 [ps, pdf, other]
Effects of granulation on neutral copper resonance lines in metal-poor stars
- Volume 4, Issue 44 - article #4
- P. Bonifacio (1,2,3), E. Caffau (2), H.-G. Ludwig (1,2) ((1) CIFIST Marie Curie Excellence Team, (2) GEPI, Observatoire de Paris, CNRS, Univ. Paris Diderot, (3) INAF - OA Trieste)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 30 Oct
- arXiv:0910.4730 [ps, pdf, other]
Lithium abundances of Main Sequence and Sub-Giant stars in the Globular Cluster NGC 6397
- Volume 4, Issue 42 - article #12
- J. I. González Hernández, P. Bonifacio, E. Caffau, M. Steffen, H.-G. Ludwig, N. Behara, L. Sbordone, R. Cayrel, S. Zaggia
- arXiv.org - Astrophysics - Volume: 2009, Issue: 16 Oct
- arXiv:0910.2305 [ps, pdf, other]
Lithium in the globular cluster NGC 6397 - Evidence for dependence on evolutionary status
- Volume 4, Issue 41 - article #27
- J. I. González Hernández, P. Bonifacio, E. Caffau, M. Steffen, H.-G. Ludwig, N. T. Behara, L. Sbordone, R. Cayrel, and S. Zaggia
- Astronomy and Astrophysics - Volume: 505, Issue: 2
- Abstract | PDF file (393.6 KB) | PS file (287.6 KB)
Accounting for Convective Blue-Shifts in the Determination of Absolute Stellar Radial Velocities
- Volume 4, Issue 36 - article #4
- C. Allende Prieto (1), L. Koesterke (2), I. Ramirez (3), H.-G. Ludwig (4), M. Asplund (3) ((1) MSSL/UCL, (2) Univ. of Texas at Austin, (3) Max Plank Institute for Astrophysics, (4) CIFIST GEPI, Observatoire de Paris)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 4 Sep
- arXiv:0909.0470 [ps, pdf, other]
Detailed analyses of three neutron-capture-rich carbon-enhanced metal-poor stars
- Volume 4, Issue 36 - article #7
- N.T. Behara (1,2), P. Bonifacio (1,2,3), H.-G. Ludwig (1,2), L. Sbordone (1,2), J.I. Gonzalez Hernandez (1,2), E. Caffau (2) ((1)CIFIST Marie Curie Excellence Team, (2) GEPI, Observatoire de Paris CNRS, Universite Paris Diderot, (3) INAF- Osservatorio Astronomico di Trieste)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 4 Sep
- arXiv:0909.0180 [ps, pdf, other]
The CIFIST 3D model atmosphere grid
- Volume 4, Issue 36 - article #17
- H.-G. Ludwig, E. Caffau, M. Steffen, B. Freytag, P. Bonifacio, A. Kucinskas
- arXiv.org - Astrophysics - Volume: 2009, Issue: 4 Sep
- arXiv:0908.4496 [ps, pdf, other]
Sulfur in the globular clusters 47 Tucanae and NGC 6752
- Volume 4, Issue 34 - article #33
- L. Sbordone, M. Limongi, A. Chieffi, E. Caffau, H.-G. Ludwig, and P. Bonifacio
- Astronomy and Astrophysics - Volume: 503, Issue: 1
- Abstract | PDF file (352.3 KB) | PS file (224.7 KB)
Impact of granulation effects on the use of Balmer lines as temperature indicators
- Volume 4, Issue 32 - article #10
- H.-G. Ludwig, N. T. Behara, M. Steffen, and P. Bonifacio
- Astronomy and Astrophysics - Volume: 502, Issue: 2
- Abstract | PDF file (143.5 KB) | PS file (74.53 KB)
The solar photospheric nitrogen abundance - Analysis of atomic transitions with 3D and 1D model atmospheres
- Volume 4, Issue 20 - article #35
- E. Caffau, E. Maiorca, P. Bonifacio, R. Faraggiana, M. Steffen, H.-G. Ludwig, I. Kamp, and M. Busso
- Astronomy and Astrophysics - Volume: 498, Issue: 3
- Abstract | PDF file (246.5 KB) | PS file (167.6 KB)
Sulphur in the Globular Clusters 47 Tucanae and NGC 6752
- Volume 4, Issue 15 - article #10
- L. Sbordone, M. Limongi, A. Chieffi, E. Caffau, H.-G. Ludwig, P. Bonifacio
- arXiv.org - Astrophysics - Volume: 2009, Issue: 10 Apr
- arXiv:0904.1417 [ps, pdf, other]
Extremely metal-poor stars from the SDSS
- Volume 3, Issue 38 - article #8
- H.-G. Ludwig, P. Bonifacio, E. Caffau, N.T. Behara, J.I. Gonzalez Hernandez, L. Sbordone
- arXiv.org - Astrophysics - Volume: 2008, Issue: 18 Sep
- arXiv:0809.2948 [ps, pdf, other]
The photospheric solar oxygen project - I. Abundance analysis of atomic lines and influence of atmospheric models
- Volume 3, Issue 37 - article #14
- E. Caffau, H.-G. Ludwig, M. Steffen, T. R. Ayres, P. Bonifacio, R. Cayrel, B. Freytag, and B. Plez
- Astronomy and Astrophysics - Volume: 488, Issue: 3
- Abstract | PDF file (414.5 KB) | PS file (300.3 KB)
The solar photospheric abundance of hafnium and thorium. Results from CO5BOLD 3D hydrodynamic model atmospheres
- Volume 3, Issue 13 - article #11
- Elisabetta Caffau (GEPI), L. Sbordone (GEPI, Cifist), H.-G. Ludwig (GEPI, Cifist), P. Bonifacio (GEPI, Cifist, Inaf-Oat), M. Steffen (AIP), N.T. Behara (GEPI, Cifist)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 27 Mar
- arXiv:0803.3585 [ps, pdf, other]
The solar photospheric abundance of europium. Results from CO5BOLD 3-D hydrodynamical model atmospheres
- Volume 3, Issue 10 - article #29
- A. Mucciarelli (1), E. Caffau (2), B. Freytag (3), H.-G. Ludwig (2,4), P. Bonifacio (2,4,5) ((1) Dipartimento di Astronomia, Universitá degli Studi di Bologna, Bologna, Italy, (2) GEPI, Observatoire de Paris, France, (3) Centre de Recherche Astrophysique de Lyon, Université de Lyon, Lyon, France, (4) CIFIST, Marie Curie Excellence Team, (5) Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Trieste, Trieste, Italy)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 6 Mar
- arXiv:0803.0863 [ps, pdf, other]
First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032
- Volume 3, Issue 9 - article #3
- 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
- Volume 3, Issue 2 - article #19
- 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
- Volume 2, Issue 51 - article #16
- 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]
Line shift, line asymmetry, and the $mathsf$

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