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Morgan Deal

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Documents

Publications

Assessing the processes behind planet engulfment and its imprints

B.M.T.B Soares , V Adibekyan , C Mordasini , M Deal , S.G Sousa
Astron.Astrophys., 2025, 693, pp.A47. ⟨10.1051/0004-6361/202451399⟩
Journal articles hal-04795268v1
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Glitches in solar-like oscillating F-type stars

M. Deal , M.-J. Goupil , J. Philidet , M. S. Cunha , R. Teissonniere
Astronomy & Astrophysics - A&A, 2025, 693, pp.A240. ⟨10.1051/0004-6361/202451748⟩
Journal articles hal-04904929v1

Linking the primordial composition of planet building disks to the present-day composition of rocky exoplanets

V Adibekyan , M Deal , C Dorn , I Dittrich , B.M.T.B Soares
Astron.Astrophys., 2024, 692, pp.A67. ⟨10.1051/0004-6361/202452193⟩
Journal articles hal-04751194v1
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Entropy-calibrated stellar modeling: Testing and improving the use of prescriptions for the entropy of adiabatic convection

L. Manchon , M. Deal , M.-J. Goupil , A. Serenelli , Y. Lebreton
Astronomy & Astrophysics - A&A, 2024, 687, pp.A146. ⟨10.1051/0004-6361/202347700⟩
Journal articles hal-04639444v1
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Characterisation of FG-type stars with improved transport of chemical elements

Nuno Moedas , Diego Bossini , Morgan Deal , Margarida S Cunha
Astronomy & Astrophysics - A&A, 2024, 684, pp.A113. ⟨10.1051/0004-6361/202348506⟩
Journal articles hal-04581164v1
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Predicted asteroseismic detection yield for solar-like oscillating stars with PLATO

M. J. Goupil , C. Catala , R. Samadi , K. Belkacem , R. M. Ouazzani
Astronomy & Astrophysics - A&A, 2024, 683, pp.A78. ⟨10.1051/0004-6361/202348111⟩
Journal articles hal-04496846v1

Towards characterising rocky worlds: Trends in chemical make-ups of M dwarfs versus GK dwarfs

Haiyang S Wang , Sascha P Quanz , Suvrath Mahadevan , Morgan Deal
Astronomy & Astrophysics - A&A, 2024, 688, pp.A225. ⟨10.1051/0004-6361/202449467⟩
Journal articles hal-04632489v1
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Opacities and Atomic Diffusion

Georges Alecian , Morgan Deal
Galaxies, 2023, 11 (3), pp.62. ⟨10.3390/galaxies11030062⟩
Journal articles hal-04150000v1

Revisiting the Red Giant Branch Hosts KOI-3886 and ι Draconis. Detailed Asteroseismic Modeling and Consolidated Stellar Parameters

Tiago Campante , Tanda Li , J. Ong , Enrico Corsaro , Margarida Cunha
The Astronomical Journal, 2023, 165 (5), pp.214. ⟨10.3847/1538-3881/acc9c1⟩
Journal articles hal-04701107v1
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The Surface Composition of Six Newly Discovered Chemically Peculiar Stars. Comparison to the HgMn Stars mu Lep and beta Scl and the Superficially Normal B Star nu Cap

Richard Monier , E. Niemczura , D. Kurtz , S. Rappaport , D. Bowman
The Astronomical Journal, 2023, 166 (2), pp.54. ⟨10.3847/1538-3881/acdb50⟩
Journal articles obspm-04177118v1
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The Unexpected Optical and Ultraviolet Variability of the Standard Star α Sex (HD 87887)

Richard Monier , Dominic M Bowman , Yveline Lebreton , Morgan Deal
The Astronomical Journal, 2023, 166 (2), pp.73. ⟨10.3847/1538-3881/acdee4⟩
Journal articles hal-04171464v2
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Glitches in solar-like oscillating F-type stars: Theoretical signature of the base of the convective envelope on the ratios $r_{010}$

M. Deal , M.-J. Goupil , M. Cunha , M. J. P. F. G Monteiro , Y. Lebreton
Astronomy & Astrophysics - A&A, 2023, 673, pp.A49. ⟨10.1051/0004-6361/202245103⟩
Journal articles hal-04133526v2
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Discovery of a thin lithium plateau among metal-poor red giant branch stars

A. Mucciarelli , L. Monaco , P. Bonifacio , M. Salaris , M. Deal
Astronomy & Astrophysics - A&A, 2022, 661, pp.A153. ⟨10.1051/0004-6361/202142889⟩
Journal articles insu-03719734v1
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Thorough characterisation of the 16 Cygni system. II. Seismic inversions of the internal structure

G. Buldgen , M. Farnir , P. Eggenberger , J. Bétrisey , C. Pezzotti
Astronomy & Astrophysics - A&A, 2022, 661, ⟨10.1051/0004-6361/202142001⟩
Journal articles insu-03717119v1
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Atomic diffusion and turbulent mixing in solar-like stars: Impact on the fundamental properties of FG-type stars

Nuno Moedas , Morgan Deal , Diego Bossini , Bernardo Campilho
Astronomy & Astrophysics - A&A, 2022, 666, pp.A43. ⟨10.1051/0004-6361/202243210⟩
Journal articles hal-04701121v1
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Fundamental properties of a selected sample of Ap stars: Inferences from interferometric and asteroseismic constraints

M. Deal , M. S. Cunha , Z. Keszthelyi , K. Perraut , D. L. Holdsworth
Astronomy & Astrophysics - A&A, 2021, 650, ⟨10.1051/0004-6361/202040234⟩
Journal articles insu-03705309v1
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Matter accretion in metal-poor stars down to extremely metal-poor stars and the lithium problem

M. Deal , O. Richard , S. Vauclair
Astronomy & Astrophysics - A&A, 2021, 646, pp.A160. ⟨10.1051/0004-6361/202039374⟩
Journal articles hal-03326477v1
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Robust asteroseismic properties of the bright planet host HD 38529

Warrick Ball , William Chaplin , Martin Nielsen , Lucia González-Cuesta , Savita Mathur
Monthly Notices of the Royal Astronomical Society, 2020, 499 (4), pp.6084-6093. ⟨10.1093/mnras/staa3190⟩
Journal articles hal-03238918v1
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Magnetic geometry and surface differential rotation of the bright Am star Alhena A

Aurore Blazère , Pascal Petit , Coralie Neiner , Colin Folsom , Oleg Kochukhov
Monthly Notices of the Royal Astronomical Society, 2020, 492 (4), pp.5794-5810. ⟨10.1093/mnras/stz3637⟩
Journal articles hal-03230745v1
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TESS asteroseismology of the known planet host star λ 2 Fornacis

M. Nielsen , W. Ball , M. Standing , A. Triaud , D. Buzasi
Astronomy & Astrophysics - A&A, 2020, 641, pp.A25. ⟨10.1051/0004-6361/202037461⟩
Journal articles hal-03248553v1
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Chemical mixing in low mass stars. I. Rotation against atomic diffusion including radiative acceleration

M. Deal , M.-J. Goupil , J. P. Marques , D. R. Reese , Y. Lebreton
Astronomy & Astrophysics - A&A, 2020, 633, pp.A23. ⟨10.1051/0004-6361/201936666⟩
Journal articles hal-02438135v1
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Impacts of radiative accelerations on solar-like oscillating main-sequence stars

M. Deal , G. Alecian , Y. Lebreton , M. J. Goupil , J. P. Marques
Astronomy & Astrophysics - A&A, 2018, 618, pp.A10. ⟨10.1051/0004-6361/201833361⟩
Journal articles hal-01900874v1

Sun-like stars unlike the Sun: Clues for chemical anomaliesof cool stars

V. Adibekyan , E. Delgado-Mena , S. Feltzing , J. I. González Hernández , N. R. Hinkel
Astronomical Notes / Astronomische Nachrichten, 2017, 338, pp.442-452. ⟨10.1002/asna.201713315⟩
Journal articles insu-03677010v1
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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
Astronomy & Astrophysics - A&A, 2017, 601, pp.A127. ⟨10.1051/0004-6361/201629825⟩
Journal articles hal-01857892v1

Hydrodynamical instabilities induced by atomic diffusion in A stars and their consequences

Morgan Deal , Olivier Richard , Sylvie Vauclair
Astronomy & Astrophysics - A&A, 2016, 589, ⟨10.1051/0004-6361/201628180⟩
Journal articles hal-01857920v1

Accretion of planetary matter and the lithium problem in the 16 Cygni stellar system

Morgan Deal , Olivier Richard , Sylvie Vauclair
Astronomy & Astrophysics - A&A, 2015, 584, ⟨10.1051/0004-6361/201526917⟩
Journal articles hal-01857923v1

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
Conference poster hal-01993605v1

Opacity Enhancement Due to Diffusion-Induced Element Accumulation inside B-Type Stars

A. Hui-Bon-Hoa , S. Vauclair , M. Deal
Workshop on Astrophysical Opacities, Workshop on Astrophysical Opacities. ASP Conference Series, 515, pp.176, 2018
Proceedings hal-04838563v1