LM
L. Mignon
astro-ph.EPastro-ph.SRastro-ph.IM
On Valency
published · living versionsW_z8t33xn2·v1 · currentpublished
The SOPHIE search for northern extrasolar planets. XIV. A temperate ( K) super-earth around the nearby star Gliese 411
with R. F. Díaz, X. Delfosse, M. J. Hobson, I. Boisse +31
1 version
Preprints & journals
48 papers in the corpus · 2016–2026A temperate sub-Neptune transiting the M4 Dwarf TOI-210 identified by NIRPS and TESS -- Uncovering hidden M-dwarf planetary systems in the near-infrared2609.35747v1 · C. Cadieux, B. N. Skinner, F. Bouchy et al.2026 · 0 citationsarXiv
Upside down: GJ3090 b the first retrograde exoplanet around an M dwarf detected with NIRPS2609.24870v1 · Y. Carteret, V. Bourrier, L. Parc et al.2026 · 0 citationsA&A, Volume 713, September 2026, L15
Night-sky emission correction techniques for high-resolution spectroscopy: Demonstration with NIRPS2609.03374v1 · Avidaan Srivastava, Francois Bouchy, Xavier Dumusque et al.2026 · 0 citationsarXiv
Radial 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
NGTS-39 b: A 58 d transiting warm Jupiter in an eccentric orbit2607.02061v1 · Ioannis Apergis, Daniel Bayliss, Solene Ulmer-Moll et al.2026 · 0 citationsarXiv
The breaking of cold traps and onset of titanium in ultra-hot Jupiter atmospheres: WASP-189b in context2606.15934v1 · Stefan Pelletier, Romain Allart, Valentina Vaulato et al.2026 · 0 citationsA&A, 711, A119 (2026)
The RoPES project with HARPS and HARPS-N III. Two candidate planets orbiting the G-type star HD 1610982604.11516v1 · N. Nari, A. Su'arez Mascareno, J. I. Gonz'alez Hern'andez et al.2026 · 0 citationsarXiv
Super-Earth masses and stellar abundances from NIRPS reveal tentative evidence for water-rich formation around M dwarfs2604.07447v1 · Drew Weisserman, Nicole Gromek, Ryan Cloutier et al.2026 · 4 citationsA&A 709, A165 (2026)
TOI-4552 b: A new ultra-short period rocky world revealed by NIRPS and TESS2603.18233v1 · Avidaan Srivastava, Ren'e Doyon, Francois Bouchy et al.2026 · 1 citationA&A 709, A73 (2026)
Confirmation of the hot super-Neptune TOI-672 b with NIRPS and HARPS and Insights into the Neptunian desert around M dwarfs2603.12345v1 · Ares Osborn, Ryan Cloutier, Vincent Bourrier et al.2026 · 1 citationA&A 709, A23 (2026)
Densities of small planets around the M dwarfs TOI-4336 A and TOI-4342 with ESPRESSO: Three sub-Neptunes, one super-Earth, and a Neptune-mass candidate2601.22115v2 · L'ena Parc, Charles Cadieux, Nolan Grieves et al.2026 · 1 citationarXiv
The RoPES project with HARPS and HARPS-N II. A third planet in the multi-planet system HD 1769862601.20559v1 · N. Nari, A. Su'arez Mascareno, J. I. Gonz'alez Hern'andez et al.2026 · 1 citationarXiv
NIRPS tightens the mass estimate of GJ 3090 b and detects a planet near the stellar rotation period2601.09330v2 · Pierrot Lamontagne, Drew Weisserman, Charles Cadieux et al.2026 · 1 citationA&A, 706 (2026) A278
NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant2510.14927v1 · L'ena Parc, Francois Bouchy, Neil J. Cook et al.2025 · 5 citationsA&A, 702, A138 (2025)
TOI-3288 b and TOI-4666 b: two gas giants transiting low-mass stars characterised by NIRPS2510.11703v2 · Yolanda G. C. Frensch, Francois Bouchy, Gaspare Lo Curto et al.2025 · 5 citationsarXiv
Architecture of planetary systems with and without outer giant planets I. Inner planet detections around HD 23079, HD 196067, and HD 862262509.26232v1 · J.-B. Delisle, J.P. Faria, D. S'egransan et al.2025 · 0 citationsarXiv
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)
The JADE code. II. Modeling the coupled orbital and atmospheric evolution of GJ 436 b to constrain its migration and companion2509.07938v1 · M. Attia, V. Bourrier, E. Bolmont et al.2025 · 7 citationsA&A 702, A132 (2025)
Atmospheric composition and circulation of the ultra-hot Jupiter WASP-121b with joint NIRPS, HARPS and CRIRES+ transit spectroscopy2509.00151v1 · Valentina Vaulato, Melissa J. Hobson, Romain Allart et al.2025 · 3 citationsarXiv
Quantifying thermal water dissociation in the dayside photosphere of WASP-121 b using NIRPS2508.06626v1 · Luc Bazinet, Romain Allart, Bjorn Benneke et al.2025 · 4 citationsA&A 701, A276 (2025)
Diving into the planetary system of Proxima with NIRPS -- Breaking the metre per second barrier in the infrared2507.21751v1 · Alejandro Su'arez Mascareno, 'Etienne Artigau, Lucile Mignon et al.2025 · 12 citations2025, A&A, 700, A11
NIRPS joining HARPS at ESO 3.6 m. On-sky performance and science objectives2507.21767v1 · Francois Bouchy, Rene Doyon, Francesco Pepe et al.2025 · 30 citationsA&A, 700, A10 (2025)
Hydride ion continuum hides absorption signatures in the NIRPS near-infrared transmission spectrum of the ultra-hot gas giant WASP-189b2507.21229v1 · Valentina Vaulato, Stefan Pelletier, David Ehrenreich et al.2025 · 9 citationsarXiv
Blind search for activity-sensitive lines in the near-infrared using HARPS and NIRPS observations of Proxima and Gl 5812507.21262v1 · Joao Gomes da Silva, Elisa Delgado-Mena, Nuno C. Santos et al.2025 · 4 citationsarXiv
NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69b2507.21284v1 · Romain Allart, Yann Carteret, Vincent Bourrier et al.2025 · 7 citationsarXiv
Studying the variability of the He triplet to understand the detection limits of evaporating exoplanet atmospheres2507.21290v1 · Samson J. Mercier, Xavier Dumusque, Vincent Bourrier 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)
Radial velocity homogeneous analysis of M dwarfs observed with HARPS. II. Detection limits and planetary occurrence statistics2502.06553v1 · L. Mignon, X. Delfosse, N. Meunier et al.2025 · 26 citationsA&A 700, A146 (2025)
Searching for substellar companion candidates with Gaia. III. Search for companions to members of young associations2501.10488v1 · A.-M. Lagrange, F. Kiefer, P. Rubini et al.2025 · 0 citationsarXiv
The inflated, eccentric warm Jupiter TOI-4914 b orbiting a metal-poor star, and the hot Jupiters TOI-2714 b and TOI-2981 b2409.07520v1 · G. Mantovan, T. G. Wilson, L. Borsato et al.2024 · 7 citationsA&A 691, A67 (2024)
NIRPS first light and early science: breaking the 1 m/s RV precision barrier at infrared wavelengths2406.08304v2 · 'Etienne Artigau, Francois Bouchy, Ren'e Doyon et al.2024 · 0 citationsarXiv
Characterisation of the stellar activity of M dwarfs. II. Relationship between Ca, H, and Na chromospheric emissions2403.01790v1 · Nadege Meunier, Lucile Mignon, Matthieu Kretzschmar et al.2024 · 0 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)
New Mass and Radius Constraints on the LHS 1140 Planets -- LHS 1140 b is Either a Temperate Mini-Neptune or a Water World2310.15490v2 · Charles Cadieux, Mykhaylo Plotnykov, Ren'e Doyon et al.2023 · 53 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)
Characterisation of stellar activity of M dwarfs. I. Long-timescale variability in a large sample and detection of new cycles2303.03998v1 · L. Mignon, N. Meunier, X. Delfosse et al.2023 · 35 citationsA&A 675, A168 (2023)
Line-by-line velocity measurements, an outlier-resistant method for precision velocimetry2207.13524v1 · 'Etienne Artigau, Charles Cadieux, Neil J. Cook et al.2022 · 114 citationsarXiv
Relationship between Ca and H chromospheric emission in F-G-K stars: indication of stellar filaments?2201.05492v1 · N. Meunier, M. Kretzschmar, R. Gravet et al.2022 · 23 citationsarXiv
HD207897 b: A dense sub-Neptune transiting a nearby and bright K-type star2110.08597v1 · N. Heidari, I. Boisse, J. Orell-Mique et al.2021 · 17 citationsA&A 658, A176 (2022)
The SOPHIE search for northern extrasolar planets -- XVII. A wealth of new objects: Six cool Jupiters, three brown dwarfs, and 16 low-mass binary stars2105.09741v1 · S. Dalal, F. Kiefer, G. H'ebrard et al.2021 · 19 citationsA&A 651, A11 (2021)
A pair of TESS planets spanning the radius valley around the nearby mid-M dwarf LTT 37802003.01136v2 · Ryan Cloutier, Jason D. Eastman, Joseph E. Rodriguez et al.2020 · 95 citationsarXiv
A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS2001.09175v1 · N. Astudillo-Defru, R. Cloutier, S. X. Wang et al.2020 · 55 citationsA&A 636, A58 (2020)
The SOPHIE search for northern extrasolar planets. XVI. HD 158259: A compact planetary system in a near-3:2 mean motion resonance chain1911.13296v2 · N. C. Hara, F. Bouchy, M. Stalport et al.2019 · 52 citationsarXiv
The SOPHIE search for northern extrasolar planets XV. A Warm Neptune around the M-dwarf Gl3781902.05998v1 · M. J. Hobson, X. Delfosse, N. Astudillo-Defru et al.2019 · 27 citationsA&A 625, A18 (2019)
The SOPHIE search for northern extrasolar planets. XIV. A temperate ( K) super-earth around the nearby star Gliese 4111902.06004v2 · R. F. D'iaz, X. Delfosse, M. J. Hobson et al.2019 · 53 citationsA&A 625, A17 (2019)on Valency
The SOPHIE search for northern extrasolar planets XIII. Two planets around M-dwarfs Gl617A and Gl961806.10958v1 · M. J. Hobson, R. F. D'iaz, X. Delfosse et al.2018 · 8 citationsA&A 618, A103 (2018)
Variability in stellar granulation and convective blueshift with spectral type and magnetic activity. II. From young to old main-sequence K-G-F stars1711.02331v1 · Nadege Meunier, Lucile Mignon, Anne-Marie Lagrange2017 · 46 citationsarXiv
Variability of stellar granulation and convective blueshift with spectral type and magnetic activity. I. K and G main sequence stars1610.02168v1 · N. Meunier, A.-M. Lagrange, L. Mbemba Kabuiku et al.2016 · 76 citationsarXiv
Career total: at least 146 works. 48 are in this corpus.
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