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authFullName_s : M. Steffen

The solar gravitational redshift from HARPS-LFC Moon spectra: A test of the General Theory of Relativity

J.I. González Hernández , R. Rebolo , L. Pasquini , G. Lo Curto , P. Molaro , et al.
Astronomy and Astrophysics - A&A, 2020, 643, pp.A146. ⟨10.1051/0004-6361/202038937⟩
Journal articles hal-02966249v1

The photospheric solar oxygen project. I. Abundance analysis of atomic lines and influence of atmospheric models

E. Caffau , H.-G. Ludwig , M. Steffen , T. R. Ayres , P. Bonifacio , et al.
Astronomy and Astrophysics - A&A, 2008, 488, pp.1031-1046. ⟨10.1051/0004-6361:200809885⟩
Journal articles hal-00358560v1

Abundances of Na, Mg, and K in the atmospheres of red giant branch stars of Galactic globular cluster 47 Tucanae

A. Černiauskas , A. Kučinskas , J. Klevas , D. Prakapavičius , S. Korotin , et al.
Astronomy and Astrophysics - A&A, 2017, 604, pp.A35. ⟨10.1051/0004-6361/201630305⟩
Journal articles hal-02167107v1

Lithium spectral line formation in stellar atmospheres

J. Klevas , A. Kučinskas , M. Steffen , E. Caffau , H.-G. Ludwig
Astronomy and Astrophysics - A&A, 2016, 586, pp.A156. ⟨10.1051/0004-6361/201526403⟩
Journal articles hal-02316619v1
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The solar photospheric silicon abundance according to CO5BOLD. Investigating line broadening, magnetic fields, and model effects

S. A. Deshmukh , H. -G. Ludwig , A. Kučinskas , M. Steffen , P. S. Barklem , et al.
Astronomy and Astrophysics - A&A, 2022, 668, ⟨10.1051/0004-6361/202142072⟩
Journal articles obspm-04072870v1

Investigation of the solar centre-to-limb variation of oxygen and lithium spectral features

E. Caffau , J.-M. Malherbe , M. Steffen , H.-G. Ludwig , A. Mott
Memorie della Societa astronomica italiana, 2017
Journal articles hal-02268830v1
Image document

The 6Li/7Li isotopic ratio in the metal-poor binary CS22876–032

J. González Hernández , P. Bonifacio , E. Caffau , H.-G. Ludwig , M. Steffen , et al.
Astronomy and Astrophysics - A&A, 2019, 628, pp.A111. ⟨10.1051/0004-6361/201936011⟩
Journal articles hal-03107596v1
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Abundance of zinc in the red giants of Galactic globular cluster 47 Tucanae

A. Černiauskas , A. Kučinskas , J. Klevas , P. Bonifacio , H.-G. Ludwig , et al.
Astronomy and Astrophysics - A&A, 2018, 616, pp.A142. ⟨10.1051/0004-6361/201833255⟩
Journal articles hal-02280911v1

The Gaia -ESO Survey: Galactic evolution of sulphur and zinc

S. Duffau , E. Caffau , L. Sbordone , P. Bonifacio , S. Andrievsky , et al.
Astronomy and Astrophysics - A&A, 2017, 604, pp.A128. ⟨10.1051/0004-6361/201730477⟩
Journal articles hal-02178202v1
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The Gaia RVS benchmark stars. I. Chemical inventory of the first sample of evolved stars and its Rb NLTE investigation

E. Caffau , P. Bonifacio , S. A Korotin , P. François , R. Lallement , et al.
Astronomy and Astrophysics - A&A, 2021, ⟨10.1051/0004-6361/202140808⟩
Journal articles obspm-03226210v1

Abundances of lithium, oxygen, and sodium in the turn-off stars of Galactic globular cluster 47 Tucanae

V. Dobrovolskas , A. Kučinskas , P. Bonifacio , S. Korotin , M. Steffen , et al.
Astronomy and Astrophysics - A&A, 2014, 565, pp.A121. ⟨10.1051/0004-6361/201322868⟩
Journal articles hal-02573675v1
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An in-depth spectroscopic examination of molecular bands from 3D hydrodynamical model atmospheres

A. Gallagher , E. Caffau , P. Bonifacio , H.-G. Ludwig , M. Steffen , et al.
Astronomy and Astrophysics - A&A, 2017, 598, pp.L10. ⟨10.1051/0004-6361/201630272⟩
Journal articles hal-01862777v1

The photospheric solar oxygen project. II. Non-concordance of the oxygen abundance derived from two forbidden lines

E. Caffau , H.-G. Ludwig , J.-M. Malherbe , P. Bonifacio , M. Steffen , et al.
Astronomy and Astrophysics - A&A, 2013, 554, pp.A126. ⟨10.1051/0004-6361/201321446⟩
Journal articles hal-02539889v1
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Improving spectroscopic lithium abundances

A. Mott , M. Steffen , E. Caffau , K. Strassmeier
Astronomy and Astrophysics - A&A, 2020, 638, pp.A58. ⟨10.1051/0004-6361/201937047⟩
Journal articles hal-03228392v1
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The metal-poor end of the Spite plateau. II. Detailed chemical investigation

A. Matas Pinto , M. Spite , E. Caffau , P. Bonifacio , L. Sbordone , et al.
Astronomy and Astrophysics - A&A, 2021, ⟨10.1051/0004-6361/202141288⟩
Journal articles obspm-03359675v1

A super lithium-rich red-clump star in the open cluster Trumpler 5

L. Monaco , H. Boffin , P. Bonifacio , S. Villanova , G. Carraro , et al.
Astronomy and Astrophysics - A&A, 2014, 564, pp.L6. ⟨10.1051/0004-6361/201323348⟩
Journal articles hal-02585981v1

An in-depth spectroscopic examination of molecular bands from 3D hydrodynamical model atmospheres

A. Gallagher , E. Caffau , P. Bonifacio , H.-G. Ludwig , M. Steffen , et al.
Astronomy and Astrophysics - A&A, 2016, 593, pp.A48. ⟨10.1051/0004-6361/201628602⟩
Journal articles hal-02316161v1
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The role of convection, overshoot, and gravity waves for the transport of dust in M dwarf and brown dwarf atmospheres

B. Freytag , F. Allard , H. -G. Ludwig , D. Homeier , M. Steffen
Astronomy and Astrophysics - A&A, 2010, 513, ⟨10.1051/0004-6361/200913354⟩
Journal articles hal-03646169v1

Chemical composition of a sample of bright solar-metallicity stars

E. Caffau , A. Mott , M. Steffen , P. Bonifacio , K. Strassmeier , et al.
Astronomical Notes / Astronomische Nachrichten, 2015, 336 (10), pp.968-980. ⟨10.1002/asna.201512250⟩
Journal articles hal-02490529v1

Lithium abundance and 6 Li/ 7 Li ratio in the active giant HD 123351

A. Mott , M. Steffen , E. Caffau , F. Spada , K. Strassmeier
Astronomy and Astrophysics - A&A, 2017, 604, pp.A44. ⟨10.1051/0004-6361/201730409⟩
Journal articles hal-02166714v1

The influence of convection on OH UV line formation in the atmosphere of the metal-poor red giant HD 122563.

D. Prakapavičius , A. Kučinskas , V. Dobrovolskas , J. Klevas , M. Steffen , et al.
Memorie della Societa astronomica italiana, 2017
Journal articles hal-02268811v1

Lithium in the active sub-giant HD123351. A quantitative analysis with 3D and 1D model atmospheres using different observed spectra

A. Mott , M. Steffen , E. Caffau , K. G. Strassmeier
Memorie della Societa astronomica italiana, 2017
Journal articles hal-02268826v1

The metal-poor end of the Spite plateau. I. Stellar parameters, metallicities, and lithium abundances

L. Sbordone , P. Bonifacio , E. Caffau , H. G. Ludwig , N. T. Behara , et al.
Astronomy and Astrophysics - A&A, 2010, 522, pp.26. ⟨10.1051/0004-6361/200913282⟩
Journal articles hal-00630870v1

TOPoS: I. Survey design and analysis of the first sample

E. Caffau , P. Bonifacio , L. Sbordone , P. François , L. Monaco , et al.
Astronomy and Astrophysics - A&A, 2013, 560, pp.A71. ⟨10.1051/0004-6361/201322488⟩
Journal articles hal-00877631v1
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TOPoS. V. Abundance ratios in a sample of very metal-poor turn-off stars

P. François , E. Caffau , P. Bonifacio , M. Spite , F. Spite , et al.
Astronomy and Astrophysics - A&A, 2018, 620, pp.A187. ⟨10.1051/0004-6361/201834375⟩
Journal articles hal-02104754v1

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 , M. Limongi , A. Chieffi , et al.
Astronomy and Astrophysics - A&A, 2015, 579, pp.A28. ⟨10.1051/0004-6361/201425266⟩
Journal articles hal-01972054v1

The photospheric solar oxygen project

E. Caffau , H.-G. Ludwig , M. Steffen , W. Livingston , P. Bonifacio , et al.
Astronomy and Astrophysics - A&A, 2015, 579, pp.A88. ⟨10.1051/0004-6361/201526331⟩
Journal articles hal-02400625v1

Using CO5BOLD models to predict the effects of granulation on colours

P. Bonifacio , E. Caffau , H.-G. Ludwig , M. Steffen , F. Castelli , et al.
Memorie della Societa astronomica italiana, 2017, 88, pp.90-99
Journal articles hal-02268806v1

Enhanced methods for computing spectra from CO5BOLD models using Linfor3D. Molecular bands in metal-poor stars

A. J. Gallagher , M. Steffen , E. Caffau , P. Bonifacio , H.-G. Ludwig , et al.
Memorie della Societa astronomica italiana, 2017, ⟨10.48550/arXiv.1610.04427⟩
Journal articles hal-02268808v1

Granulation properties of giants, dwarfs, and white dwarfs from the CIFIST 3D model atmosphere grid

P.-E. Tremblay , H.-G. Ludwig , B. Freytag , M. Steffen , E. Caffau
Astronomy and Astrophysics - A&A, 2013, 557, pp.A7. ⟨10.1051/0004-6361/201321878⟩
Journal articles hal-02565151v1