AB
Antoine Bédard
astro-ph.SRastro-ph.EPastro-ph.GAphysics.plasm-phastro-ph.IMAstronomy and astrophysicsastro-ph.COastro-ph.HEAtmospheric composition (2120)cond-mat.stat-mech
On Valency
published · living versionsW_na8dxbkr·v1 · currentpublished
Measurements of Physical Parameters of White Dwarfs: A Test of the Mass-Radius Relation
with Pierre Bergeron, Gilles Fontaine
1 version
Preprints & journals
45 papers in the corpus · 2017–2026White dwarfs within 13 pc: insights from ultraviolet spectroscopy2607.06357v2 · Mairi W. O'Brien, Pier-Emmanuel Tremblay, Boris T. Gansicke et al.2026 · 1 citationMon Not R Astron Soc (2026)
Improved Stark Broadened Profiles for Neutral Helium Lines Using Computer Simulations2603.04374v1 · Patrick Tremblay, Alain Beauchamp, Pierre Bergeron et al.2026 · 1 citationarXiv
High Velocity Circumstellar Gas Orbiting a White Dwarf Star2603.02309v1 · B. Zuckerman, 'Erika Le Bourdais, Beth L. Klein et al.2026 · 2 citationsarXiv
Classifying white dwarfs from multi-object spectroscopy surveys with machine learning2602.04964v1 · James Munday, Pier-Emmanuel Tremblay, Ingrid Pelisoli et al.2026 · 2 citationsarXiv
Assessing the star formation history of all-sky and part-sky 100pc white dwarf samples2510.20624v3 · Emily K. Roberts, Pier-Emmanuel Tremblay, Antoine B'edard2025 · 0 citationsarXiv
Exogeological inferences from white dwarf pollutants: the impact of stellar physics2510.17985v1 · Andrew M. Buchan, Pier-Emmanuel Tremblay, Antoine B'edard et al.2025 · 5 citationsarXiv
Tracing Planetary Accretion in a 3 Gyr-old Hydrogen-Rich White Dwarf: The Extremely Polluted Atmosphere of LSPM J0207+33312510.08676v1 · 'Erika Le Bourdais, Patrick Dufour, Carl Melis et al.2025 · 2 citationsarXiv
Precise Parameters for Two LISA Sources2508.04156v1 · Manuel Barrientos, Mukremin Kilic, Warren R. Brown et al.2025 · 2 citationsThe Astrophysical Journal, Volume 991, Year 2025, Number 1, 65
A super-Chandrasekhar mass type Ia supernova progenitor at 49 pc set to detonate in 23 Gyr2504.04522v1 · James Munday, Ruediger Pakmor, Ingrid Pelisoli et al.2025 · 9 citationsarXiv
Comparison of methods used to derive the Galactic star formation history from white dwarf samples2502.09579v3 · Emily K. Roberts, Pier-Emmanuel Tremblay, Mairi W. O'Brien et al.2025 · 6 citationsarXiv
Crystal nucleation rates in one-component Yukawa systems.40103124 · Arnold, B, Daligault, J, Saumon, D et al.2025 · 3 citationsPhysical review. E. 2025;111(2-2):025206
The prototype double-faced white dwarf has a thin hydrogen layer across its entire surface2501.16021v1 · Antoine B'edard, Pier-Emmanuel Tremblay2025 · 4 citationsarXiv
Long-lived Habitable Zones around White Dwarfs undergoing Neon-22 Distillation2501.06613v1 · Andrew Vanderburg, Antoine B'edard, Juliette C. Becker et al.2025 · 0 citationsarXiv
A hot white dwarf merger remnant revealed by an ultraviolet detection of carbon.40979883 · Sahu, Snehalata, Bédard, Antoine, Gänsicke, Boris T et al.2025 · 5 citationsNature astronomy. 2025;9(9):1347-1355
The 100 pc White Dwarf Sample in the SDSS Footprint II. A New Look at the Spectral Evolution of White Dwarfs2412.04611v1 · Mukremin Kilic, Pierre Bergeron, Simon Blouin et al.2024 · 28 citationsarXiv
The DBL Survey I: discovery of 34 double-lined double white dwarf binaries2407.02594v3 · James Munday, Ingrid Pelisoli, P. E. Tremblay et al.2024 · 25 citationsarXiv
Buoyant crystals halt the cooling of white dwarf stars.38448597 · Bédard, Antoine, Blouin, Simon, Cheng, Sihao2024 · 43 citationsNature. 2024;627(8003):286-288
The Gaia white dwarf revolution2402.14960v3 · Pier-Emmanuel Tremblay, Antoine B'edard, Mairi W. O'Brien et al.2024 · 24 citationsarXiv
The spectral evolution of white dwarfs: where do we stand?38681903 · Bédard, Antoine2024 · 35 citationsAstrophysics and space science. 2024;369(4):43
The 40 pc sample of white dwarfs from Gaia2312.02735v2 · Mairi W. O'Brien, P.-E. Tremblay, B. L. Klein et al.2023 · 95 citationsMNRAS 527, 3 (2024) 8687-8705
The photospheres of the hottest fastest stars in the Galaxy2311.13388v1 · Klaus Werner, Nicole Reindl, Thomas Rauch et al.2023 · 13 citationsarXiv
The ubiquity of carbon dredge-up in hydrogen-deficient white dwarfs as revealed by GALEX2307.14295v1 · Simon Blouin, Mukremin Kilic, Antoine B'edard et al.2023 · 14 citationsarXiv
An emerging and enigmatic spectral class of isolated DAe white dwarfs2307.09186v2 · Abbigail K. Elms, Pier-Emmanuel Tremblay, Boris T. Gansicke et al.2023 · 8 citationsMNRAS, 524, 4996 (2023)
A Crystallizing White Dwarf in a Sirius-Like Quadruple System2306.03140v2 · Alexander Venner, Simon Blouin, Antoine B'edard et al.2023 · 11 citationsarXiv
Carbon dredge-up required to explain the Gaia white dwarf colour-magnitude bifurcation2305.02827v2 · Simon Blouin, Antoine B'edard, Pier-Emmanuel Tremblay2023 · 25 citationsarXiv
The ELM Survey South. II. Two dozen new low mass white dwarf binaries2305.03079v1 · Alekzander Kosakowski, Warren R. Brown, Mukremin Kilic et al.2023 · 35 citationsarXiv
On the Spectral Evolution of Hot White Dwarf Stars. IV. The Diffusion and Mixing of Residual Hydrogen in Helium-rich White Dwarfs2302.05424v1 · A. B'edard, P. Bergeron, P. Brassard2023 · 23 citationsarXiv
On the Nature of Ultracool White Dwarfs: Not so Cool Afterall2206.03174v1 · P. Bergeron, Mukremin Kilic, Simon Blouin et al.2022 · 33 citationsarXiv
On the Spectral Evolution of Hot White Dwarf Stars. III. The PG 1159DODBDQ Evolutionary Channel Revisited2203.12045v1 · A. B'edard, P. Bergeron, P. Brassard2022 · 41 citationsarXiv
On the Spectral Evolution of Hot White Dwarf Stars. II. Time-dependent Simulations of Element Transport in Evolving White Dwarfs with STELUM2112.09989v1 · A. B'edard, P. Brassard, P. Bergeron et al.2021 · 39 citationsarXiv
Hot Degenerates in the MCT Survey. III. A Sample of White Dwarf Stars in the Southern Hemisphere2108.13520v1 · P. Bergeron, F. Wesemael, G. Fontaine et al.2021 · 8 citationsarXiv
The Discovery of Two LISA Sources within 0.5 kpc2108.08324v1 · Mukremin Kilic, Warren R. Brown, A. Bedard et al.2021 · 15 citationsarXiv
The Initial-Final Mass Relation for Hydrogen-Deficient White Dwarfs2107.06373v1 · Joseph W. Barnett, Kurtis A. Williams, A. B'edard et al.2021 · 13 citationsAJ, 162, 162 (2021)
The Most Massive White Dwarfs in the Solar Neighborhood2103.06906v1 · Mukremin Kilic, P. Bergeron, Simon Blouin et al.2021 · 48 citationsarXiv
Hidden in Plain Sight: A Double-lined White Dwarf Binary 26 pc Away and a Distant Cousin2102.05688v1 · Mukremin Kilic, A. Bedard, P. Bergeron2021 · 16 citationsarXiv
Lithium pollution of a white dwarf records the accretion of an extrasolar planetesimal.33335019 · Kaiser, B C, Clemens, J C, Blouin, S et al.2021 · 45 citationsScience (New York, N.Y.). 2021;371(6525):168-172
On the Spectral Evolution of Hot White Dwarf Stars. I. A Detailed Model-Atmosphere Analysis of Hot White Dwarfs from SDSS DR122008.07469v1 · A. B'edard, P. Bergeron, P. Brassard et al.2020 · 336 citationsarXiv
The Tau Association: A 60 Myr-Old Coeval Group at 150 pc from the Sun2008.06139v1 · Jonathan Gagn'e, Trevor J. David, Eric E. Mamajek et al.2020 · 39 citationsarXiv
Toward Precision Cosmochronology: A New C/O Phase Diagram for White Dwarfs2007.13669v1 · Simon Blouin, J'erome Daligault, Didier Saumon et al.2020 · 48 citationsA&A 640, L11 (2020)
Atmospheric Temperature Inversions and He I 5876 Core Profile Structure in White Dwarfs2006.07483v1 · Beth Klein, Simon Blouin, Diego Romani et al.2020 · 11 citationsarXiv
A 1201 s Orbital Period Detached Binary: the First Double Helium Core White Dwarf LISA Verification Binary2004.00641v1 · Warren R. Brown, Mukremin Kilic, A. Bedard et al.2020 · 34 citationsarXiv
Two new Double-lined Spectroscopic Binary White Dwarfs2002.06214v1 · Mukremin Kilic, A. Bedard, P. Bergeron et al.2020 · 20 citationsarXiv
On the Measurement of Fundamental Parameters of White Dwarfs in the Gaia Era1904.02022v1 · P. Bergeron, P. Dufour, G. Fontaine et al.2019 · 177 citationsarXiv
Measurements of Physical Parameters of White Dwarfs: A Test of the Mass-Radius Relation1709.02324v1 · Antoine B'edard, Pierre Bergeron, Gilles Fontaine2017 · 110 citationsarXivon Valency
Astrophysical Implications of a New Dynamical Mass for the Nearby White Dwarf 40 Eridani B1709.00478v1 · Howard E. Bond, P. Bergeron, A. Bedard2017 · 45 citationsarXiv
Career total: at least 72 works. 45 are in this corpus.
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