GH
G. Hébrard
astro-ph.EPastro-ph.SRastro-phastro-ph.IMastro-ph.GAAstronomyastro-ph.COExtraterrestrial Environmentgr-qcPlanets
On Valency
published · living versionsW_kxbebmtq·v1 · currentpublished
An extremely low-density and temperate giant exoplanet
with A. Santerne, L. Malavolta, M. R. Kosiarek, F. Dai +66
1 version
W_z8t33xn2·v1published
W_kgvxmmtv·v1published
W_ynufkxb8·v1published
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W_9evfarev·v1published
W_hnqry98y·v1published
W_2536fkee·v1published
Preprints & journals
313 papers in the corpus · 1997–2026Radial velocity detection of the TRAPPIST-1 planetary system with SPIRou and NIRPS2609.03006v1 · Alexandrine L'Heureux, Ren'e Doyon, Charles Cadieux et al.2026 · 0 citationsarXiv
CAFE follow-up of TESS hot Jupiter candidates left behind: I. Five newly confirmed planets and a false positive2607.19756v1 · J. Lillo-Box, C. Cifuentes, O. Balsalobre-Ruza et al.2026 · 0 citationsarXiv
Revisiting TOI-4438 and TOI-442 planetary systems with new observations from SPIRou and TESS2607.13333v1 · J. Serrano Bell, G. H'ebrard, E. Martioli et al.2026 · 0 citationsarXiv
Understanding eccentric temperate giants: an in-depth study of the architecture and stellar obliquity of the TOI-2134 system2607.01027v3 · Federica Rescigno, Manu Stalport, Ancy Anna John et al.2026 · 0 citationsarXiv
The multi-planet system TOI-5624: Four transiting sub-Neptunes with an outer companion revealed by transit-timing variations2604.15035v2 · A. Bonfanti, D. Gandolfi, P. Leonardi et al.2026 · 1 citationA&A 709, A265 (2026)
Photodynamical modeling of TOI-4504 reveals its deeply resonant state and similarity to GJ 8762603.05720v1 · J.M. Almenara, R. Mardling, A. Leleu et al.2026 · 0 citationsarXiv
The SPIRou Legacy Survey: Detection of a nearby world orbiting in the habitable zone of Gl725B achieved by correcting strong telluric contamination in near-infrared radial velocities with WAPITI2601.22815v1 · M. Ould-Elhkim, C. Moutou, J.-F. Donati et al.2026 · 2 citationsarXiv
BEBOP VIII. SOPHIE radial velocities reveal an eccentric, circumbinary brown dwarf2510.25329v1 · Amaury H.M.J. Triaud, Thomas A. Baycroft, Neda Heidari et al.2025 · 2 citationsarXiv
Search for exocomets transits in Kepler light curves: Ten new transits identified2510.14687v1 · Pierre Dumond, Alain Lecavelier des Etangs, Flavien Kiefer et al.2025 · 3 citationsA&A 704, A191 (2025)
Chromaticity of stellar activity in radial velocities : Anti-correlated families of lines on the M dwarf EV Lac with SPIRou and SOPHIE2509.17911v1 · Pierre Larue, Xavier Delfosse, Andres Carmona et al.2025 · 6 citationsA&A, 701, A216 (2025)
BEBOP VII. SOPHIE discovery of BEBOP-3b, a circumbinary giant planet on an eccentric orbit2506.14615v2 · Thomas A. Baycroft, Alexandre Santerne, Amaury H.M.J. Triaud et al.2025 · 10 citationsMon Not R Astron Soc (2025) 2801-2814
EBLM XV -- Revised dynamical masses for the circumbinary planet host Kepler-16 AB, using the SOPHIE spectrograph2505.19718v1 · D. Sebastian, I. Boisse, A. Santerne et al.2025 · 4 citationsarXiv
The Hot-Neptune Initiative (HONEI) I. Two hot sub-Neptunes on a close-in, eccentric orbit (TOI-5800 b) and a farther-out, circular orbit (TOI-5817 b)2505.10123v2 · L. Naponiello, S. Vissapragada, A. S. Bonomo et al.2025 · 6 citationsA&A 701, A79 (2025)
A Swarm of WASP Planets: Nine giant planets identified by the WASP survey2504.08091v1 · Nicole Schanche, Guillaume H'ebrard, Keivan G. Stassun et al.2025 · 2 citationsarXiv
Characterizing planetary systems with SPIRou: Detection of a sub-Neptune in a 6-day period orbit around the M dwarf Gl 4102504.03572v2 · A. Carmona, X. Delfosse, M. Ould-Elhkim et al.2025 · 4 citationsA&A 700, A222 (2025)
TOI-5108 b and TOI 5786 b: Two transiting sub-Saturns detected and characterized with TESS, MaHPS and SOPHIE2501.03803v1 · Luis Thomas, Guillaume H'ebrard, Hanna Kellermann et al.2025 · 8 citationsA&A 694, A143 (2025)
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS2412.08527v1 · N. Heidari, G. H'ebrard, E. Martioli et al.2024 · 12 citationsA&A 694, A36 (2025)
Time Resolved Absorption of Six Chemical Species With MAROON-X Points to Strong Drag in the Ultra Hot Jupiter TOI-1518 b2412.01472v4 · A. Simonnin, V. Parmentier, J.P. Wardenier et al.2024 · 18 citationsA&A 698, A314 (2025)
Gl 725A b: a potential super-Earth detected with SOPHIE and SPIRou in an M dwarf binary system at 3.5 pc2411.09506v1 · P. Cortes-Zuleta, I. Boisse, M. Ould-Elhkim et al.2024 · 5 citationsA&A 693, A164 (2025)
BEBOP VI. Enabling the detection of circumbinary planets orbiting double-lined binaries with the DOLBY method of radial-velocity extraction2410.02573v1 · Lalitha Sairam, Thomas A. Baycroft, Isabelle Boisse et al.2024 · 5 citationsarXiv
TOI-3568 b: a super-Neptune in the sub-Jovian desert2409.03704v1 · E. Martioli, R.P. Petrucci, E. Jofre et al.2024 · 5 citationsA&A 690, A312 (2024)
TOI-1408: Discovery and Photodynamical Modeling of a Small Inner Companion to a Hot Jupiter Revealed by TTVs2407.17798v1 · Judith Korth, Priyanka Chaturvedi, Hannu Parviainen et al.2024 · 25 citationsarXiv
Characterizing planetary systems with SPIRou: a temperate sub-Neptune exoplanet orbiting the nearby fully-convective star GJ 1289 and a candidate around GJ 33782406.10384v1 · C. Moutou, M. Ould-Elhkim, J.-F. Donati et al.2024 · 4 citationsA&A 688, A196 (2024)
Probing atmospheric escape through metastable He I triplet lines in 15 exoplanets observed with SPIRou2406.09225v1 · A. Masson, S. Vinatier, B. B'ezard et al.2024 · 22 citationsarXiv
The PLATO Mission2406.05447v2 · Heike Rauer, Conny Aerts, Juan Cabrera et al.2024 · 13 citationsarXiv
SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets2405.04461v1 · J.-F. Donati, P.I. Cristofari, L.T. Lehmann et al.2024 · 15 citationsarXiv
Planet Hunters TESS V: a planetary system around a binary star, including a mini-Neptune in the habitable zone2404.18997v1 · Nora L. Eisner, Samuel K. Grunblatt, Oscar Barrag'an et al.2024 · 6 citationsPublished in AJ, 2024
Long-term monitoring of large-scale magnetic fields across optical and near-infrared domains with ESPaDOnS, Narval and SPIRou. The cases of EV Lac, DS Leo, and CN Leo2403.08590v1 · S. Bellotti, J. Morin, L. T. Lehmann et al.2024 · 0 citationsarXiv
The classical T Tauri star CI Tau observed with SPIRou: magnetospheric accretion and planetary formation2403.02166v1 · J.-F. Donati, B. Finociety, P.I. Cristofari et al.2024 · 24 citationsarXiv
Curves of growth for transiting exocomets: Application to Fe II lines in the Beta Pictoris system2402.10169v1 · T. Vrignaud, A. Lecavelier des Etangs, F. Kiefer et al.2024 · 11 citationsarXiv
TOI-1199 b and TOI-1273 b: Two new transiting hot Saturns detected and characterized with SOPHIE and TESS2402.07861v2 · J. Serrano Bell, R. F. D'iaz, G. H'ebrard et al.2024 · 4 citationsA&A, 684, A6 (2024)
The EBLM Project XI. Mass, radius and effective temperature measurements for 23 M-dwarf companions to solar-type stars observed with CHEOPS2312.11339v1 · M. I. Swayne, P. F. L. Maxted, A. H. M. J. Triaud et al.2023 · 24 citationsarXiv
The SOPHIE search for northern extrasolar planets-XIX. A system including a cold sub-Neptune potentially transiting a V = 6.5 star HD889862311.13513v1 · N. Heidari, I. Boisse, N. C. Hara et al.2023 · 20 citationsA&A 681, A55 (2024)
Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey: III. Recovery and Confirmation of a Temperate, Mildly Eccentric, Single-Transit Jupiter Orbiting TOI-20102311.10232v1 · Christopher R. Mann, Paul A. Dalba, David Lafreniere et al.2023 · 13 citationsAJ, 166, 239 (2023)
TOI-1736 and TOI-2141: two systems including sub-Neptunes around solar analogs revealed by TESS and SOPHIE2311.07011v2 · E. Martioli, G. H'ebrard, L. de Almeida et al.2023 · 10 citationsA&A 680, A84 (2023)
A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-21342310.13623v1 · F. Rescigno, G. H'ebrard, A. Vanderburg et al.2023 · 8 citationsarXiv
ATMOSPHERIX: I- An open source high resolution transmission spectroscopy pipeline for exoplanets atmospheres with SPIRou2308.14510v2 · B. Klein, F. Debras, J.-F. Donati et al.2023 · 17 citationsarXiv
ATMOSPHERIX: II- Characterising exoplanet atmospheres through transmission spectroscopy with SPIRou2308.14511v2 · F. Debras, B. Klein, J.-F. Donati et al.2023 · 0 citationsarXiv
TOI-4860 b, a short-period giant planet transiting an M3.5 dwarf2308.01454v2 · J.M. Almenara, X. Bonfils, E. M. Bryant et al.2023 · 16 citationsarXiv
Magnetic fields & rotation periods of M dwarfs from SPIRou spectra2307.14190v1 · J.-F. Donati, L.T. Lehmann, P.I. Cristofari et al.2023 · 50 citationsarXiv
Characterizing planetary systems with SPIRou: M-dwarf planet-search survey and the multiplanet systems GJ 876 and GJ 11482307.11569v1 · C. Moutou, X. Delfosse, A.C. Petit et al.2023 · 15 citationsarXiv
Homogeneous search for helium in the atmosphere of 11 gas giant exoplanets with SPIRou2307.05580v1 · R. Allart, P.-B. Lem'ee-Joliecoeur, A. Y. Jaziri et al.2023 · 40 citationsA&A 677, A164 (2023)
Far beyond the Sun: II. Probing the stellar magnetism of the young Sun {\iota} Horologii from the photosphere to its corona2307.01744v1 · E. M. Amazo-G'omez, J. D. Alvarado-G'omez, K. Poppenhaeger et al.2023 · 12 citationsarXiv
Monitoring the large-scale magnetic field of AD~Leo with SPIRou, ESPaDOnS and Narval. Toward a magnetic polarity reversal?2307.01016v1 · S. Bellotti, J. Morin, L. T. Lehmann et al.2023 · 35 citationsA&A 676, A56 (2023)
The HARPS search for southern extra-solar planets. XLVII. Five Jupiter-mass planets in long-period orbits, one highly irradiated Neptune, one brown dwarf, and five stellar binaries2306.04420v1 · Y. G. C. Frensch, G. Lo Curto, F. Bouchy et al.2023 · 8 citationsA&A 675, A173 (2023)
Two Warm Neptunes transiting HIP 9618 revealed by TESS & Cheops2306.04450v1 · Hugh P. Osborn, Grzegorz Nowak, Guillaume H'ebrard et al.2023 · 23 citationsMNRAS, Vol. 523, 2023, issue 2, pp 3069-3089
: a data-driven approach to correct for systematics in RV data -- Application to SPIRou data of the planet-hosting M dwarf GJ 2512305.02123v2 · M. Ould-Elhkim, C. Moutou, J-F. Donati et al.2023 · 22 citationsA&A 675, A187 (2023)
The magnetic field and multiple planets of the young dwarf AU~Mic2304.09642v2 · J.-F. Donati, P.I. Cristofari, B. Finociety et al.2023 · 82 citationsarXiv
Near-IR and optical radial velocities of the active M dwarf star Gl 388 (AD Leo) with SPIRou at CFHT and SOPHIE at OHP: A 2.23 day rotation period and no evidence for a corotating planet2303.16712v4 · A. Carmona, X. Delfosse, S. Bellotti (2 et al.2023 · 36 citationsA&A 674, A110 (2023)
A High-Eccentricity Warm Jupiter Orbiting TOI-41272303.14570v1 · Arvind F. Gupta, Jonathan M. Jackson, Guillaume Hebrard et al.2023 · 13 citationsarXiv
Career total: 940 works. 313 are in this corpus.Showing the 50 most recent.
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