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Atomic diffusion across the HR diagram

Olivier Richard
How Much do we Trust Stellar Models ?, Sep 2018, Liède, Belgium
Communication dans un congrès hal-03326469v1

Atomic diffusion during red giant evolution

G. Michaud , J. Richer , O. Richard
Astronomy and Astrophysics - A&A, 2010, 510, pp.A104
Article dans une revue hal-01994338v1
Image document

Atomic diffusion and mixing in old stars

Alvin Gavel , Pieter Gruyters , Ulrike Heiter , Andreas Korn , Thomas Nordlander , et al.
Astronomy and Astrophysics - A&A, 2021, 652, pp.A75. ⟨10.1051/0004-6361/202140770⟩
Article dans une revue hal-03326489v1

Chemical composition of A and F dwarf members of the Coma Berenices open cluster

M. Gebran , R. Monier , O. Richard
Astronomy and Astrophysics - A&A, 2008, 479, pp.189-206. ⟨10.1051/0004-6361:20078807⟩
Article dans une revue hal-00356543v1

Important consequences of atomic diffusion inside main-sequence stars: opacities, extra-mixing, oscillations

M. Deal , S. Vauclair , O. Richard
Wide-Field Variability Surveys: A 21st Century Perspective - 22nd Los Alamos Stellar Pulsation - Conference Series Meeting, Nov 2016, San Pedro de Atacama, Chile. 152, pp.06007, 2017
Poster de conférence hal-01993605v1

Surface abundances of Am stars as a constraint on rotational mixing

Olivier Richard , Suzanne Talon , Georges Michaud
Proceedings of the International Astronomical Union, 2004, 2004 (IAUS224), pp.215-220
Article dans une revue hal-01994443v1

Analysis of eight magnetic chemically peculiar stars with rotational modulation

O Kobzar , V Khalack , D Bohlender , G Mathys , M Shultz , et al.
Monthly Notices of the Royal Astronomical Society, 2022, 517 (4), pp.5340-5357. ⟨10.1093/mnras/stac2799⟩
Article dans une revue hal-03889426v1

Hydrodynamical Instabilities Induced by Atomic Diffusion in F and A Stars

M. Deal , O. Richard , S. Vauclair
Workshop on Astrophysical Opacities, Aug 2017, Kalamazoo, United States
Communication dans un congrès hal-01993596v1

Horizontal Branch Evolution and Atomic Diffusion

G. Michaud , J. Richer , O. Richard
The Astrophysical Journal, 2007, 670, pp.1178-1187. ⟨10.1086/522488⟩
Article dans une revue hal-00345632v1

Lithium abundances in exoplanet-host stars

M. Castro , S. Vauclair , O. Richard , N. C. Santos
XXI CENTURY CHALLENGES FOR STELLAR EVOLUTION, Aug 2007, Cefalu, Italy
Poster de conférence hal-01994378v1

Lithium in globular clusters: significant systematics. Atomic diffusion, the temperature scale, and pollution in NGC 6397

T. Nordlander , A. J. Korn , Olivier Richard , K. Lind
Lithium in the Cosmos, 2012, Paris, France
Poster de conférence hal-01993818v1

Updated Toulouse solar models including the diffusion-circulation coupling and the effect of μ-gradients

Olivier Richard , Sylvie Théado , Sylvie Vauclair
Solar Physics, 2004, 220 (2), pp.243-259
Article dans une revue hal-01994464v1

The abundances of A/F and Am/Fm stars in open clusters

Richard Monier , Olivier Richard
Proceedings of the International Astronomical Union, 2004, 2004 (IAUS224), pp.528-529
Article dans une revue hal-01994439v1
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Étude approfondie de la structure interne du Soleil: héliosismologie et modèles fins incluant la ségrégation détaillée des éléments et les processus de transport

Olivier Richard
Astrophysique [astro-ph]. Université Pierre et Marie Curie - Paris VI, 1999. Français. ⟨NNT : ⟩
Thèse tel-00004294v1

Atomic diffusion and mixing in old stars IV. Weak abundance trends in the globular cluster NGC6752

P. Gruyters , A. Korn , O. Richard , F. Grundahl , R. Collet , et al.
Astronomy and Astrophysics - A&A, 2013, 555, ⟨10.1051/0004-6361/201220821⟩
Article dans une revue hal-01857928v1

Combining multiple structural inversions to constrain the solar modelling problem

G. Buldgen , S. Salmon , A. Noels , R. Scuflaire , J. Montalbán , et al.
Astronomy and Astrophysics - A&A, 2019, 621, pp.A33. ⟨10.1051/0004-6361/201833971⟩
Article dans une revue hal-01993594v1

Fingering instabilities induced by the accretion of planetary matter onto stars : The lithium case. Application to the 16 Cygni stellar system.

M. Deal , O. Richard , S. Vauclair
SF2A-2015, Feb 2015, Toulouse, France
Communication dans un congrès hal-01993619v1
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Inversions of the Ledoux discriminant: a closer look at the tachocline

Gaël Buldgen , J. Salmon , M. Godart , A. Noels , R. Scuflaire , et al.
Monthly Notices of the Royal Astronomical Society: Letters, 2017, 472 (1), pp.L70 - L74. ⟨10.1093/mnrasl/slx139⟩
Article dans une revue hal-01857896v1
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Implications of WMAP observations on Li abundance and stellar evolution models

Olivier Richard , Georges Michaud , Jacques Richer
2004
Pré-publication, Document de travail hal-00002956v1

Lithium in the Stellar Open Cluster M67

B. L. Canto Martins , J. D. Do Nascimento , J. R. de Medeiros , A. Lèbre , O. Richard , et al.
International Journal of Modern Physics D, 2007, 16, pp.391-396. ⟨10.1142/S021827180701016X⟩
Article dans une revue hal-00345620v1

The signature of diffusion in the binary system of omicron Leonis: a key for AmFm scenarios?

M. Gebran , P. Hadrava , Gérard Jasniewicz , Olivier Richard
Astrophysics and Space Science, 2015, pp.137. ⟨10.1007/s10509-015-2368-6⟩
Article dans une revue hal-01718862v1

AmFm Stars as a Test of Rotational Mixing Models

S. Talon , O. Richard , G. Michaud
The Astrophysical Journal, 2006, 645, pp.634-651. ⟨10.1086/504066⟩
Article dans une revue hal-00362806v1

New Advances in Stellar Physics: From Microscopic to Macroscopic Processes

G. Alecian , Y. Lebreton , Olivier Richard , G. Vauclair
2013
Ouvrages hal-01993762v1
Image document

Asteroseismology of the exoplanet-host F-type star 94 Ceti: Impact of atomic diffusion on the stellar parameters

M. Deal , M. Escobar , S. Vauclair , G. Vauclair , A. Hui-Bon-Hoa , et al.
Astronomy and Astrophysics - A&A, 2017, 601, pp.A127. ⟨10.1051/0004-6361/201629825⟩
Article dans une revue hal-01857892v1

Horizontal branch evolution, metallicity, and sdB stars

Georges Michaud , Jacques Richer , Olivier Richard
Astronomy and Astrophysics - A&A, 2011, 529, pp.60. ⟨10.1051/0004-6361/201015997⟩
Article dans une revue hal-00671949v1

Atomic diffusion and mixing in old stars VI. The lithium content of M30

Pieter Gruyters , Karin Lind , Olivier Richard , Frank Grundahl , Martin Asplund , et al.
Astronomy and Astrophysics - A&A, 2016, 589, ⟨10.1051/0004-6361/201527948⟩
Article dans une revue hal-01857910v1

Stellar evolution models with mass loss and turbulence

M. Vick , G. Michaud , Olivier Richard
The Art of Modelling Stars in the 21s t Century, IAU Symposium No. 252, 2008, Sanya, China. pp.289-295
Communication dans un congrès hal-01994348v1

Evolutionary stellar models including diffusion and radiative accelerations

O. Richard
EAS Publications Series, 2005, 17, pp.43-52
Article dans une revue hal-01994424v1

Abundances of A/F and Am/Fm stars in open clusters as constraints to self-consistent models including transport processes

Richard Monier , Olivier Richard
Proceedings of the International Astronomical Union, 2004, 2004 (IAUS224), pp.209-214
Article dans une revue hal-01994446v1

Atomic Diffusion and Mixing in Old Stars. I. Very Large Telescope FLAMES-UVES Observations of Stars in NGC 6397

A. J. Korn , F. Grundahl , O. Richard , L. Mashonkina , P. S. Barklem , et al.
The Astrophysical Journal, 2007, 671, pp.402-419. ⟨10.1086/523098⟩
Article dans une revue hal-00345663v1