SU
S. Udry
astro-ph.EPastro-ph.SRastro-phastro-ph.IMastro-ph.GAcs.LGastro-ph.COPlanetsphysics.space-phDirect imaging
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_ynufkxb8·v1published
W_2n664ccv·v1published
W_hv2bpc4c·v1published
W_j63ksa7x·v1published
W_hnqry98y·v1published
W_2536fkee·v1published
W_ex4mptu4·v1published
W_ymjecq9u·v1published
Preprints & journals
846 papers in the corpus · 1997–2026Companions of Hot Jupiters: two decades of radial velocity monitoring with CORALIE2610.25152v1 · L'ena Parc, Joao P. Faria, Francois Bouchy et al.2026 · 0 citationsarXivon Valency
Assessing PLATO's Discovery Potential across Different Observing Strategies2610.13686v1 · Yoshi Nike Emilia Eschen, Michelle Kunimoto, Juan Cabrera et al.2026 · 0 citationsarXiv
Astrometric planet search around southern ultracool dwarfs: V. Discovery of the exoplanet candidate PALTA-1 b2610.09965v1 · J. Sahlmann, P. F. Lazorenko, E. L. Mart'in et al.2026 · 0 citationsarXiv
Searching for hot water world candidates with CHEOPS: II. A low-density super-Earth orbiting the K dwarf TOI-22112610.08922v1 · J. A. Egger, P. Cort'es-Zuleta, D. Kubyshkina et al.2026 · 0 citationsarXiv
A 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
Uncovering temperate worlds: an updated look at the K2-3 system with ESPRESSO2609.17792v1 · Avidaan Srivastava, Emma Pimentel, Am'elie Gressier et al.2026 · 0 citationsarXiv
Night-sky emission correction techniques for high-resolution spectroscopy: Demonstration with NIRPS2609.03374v1 · Avidaan Srivastava, Francois Bouchy, Xavier Dumusque et al.2026 · 0 citationsarXiv
CHEOPS photometry from 2024 reveals a reversal in the transit-timing variations of AU Mic c2608.01120v1 · Z. Garai, Gy. M. Szab'o, D. Gandolfi et al.2026 · 0 citationsarXiv
Refined parameters, formation, and dynamical stability of the wild exoplanet system K2-312=HD 806532607.19325v1 · L. Naponiello, E. Poretti, K. Rice et al.2026 · 0 citationsarXiv
HD 148797: A bright F-type star with two moderate-period low-density sub-Jovian planets. Compact multi-planet architectures are common in the Neptunian savanna2607.09656v1 · J.M. Almenara, A. Castro-Gonz'alez, R. Mardling 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 Longest-period Young Transiting Exoplanets. A Duo of Puffy Giants inside a Debris Disk2607.02685v1 · Carlos del Burgo, Alejandro Su'arez Mascareno, Ana Heras Pastor et al.2026 · 0 citationsApJ Letters, 1003, L15 (16 pp.) 2026
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
Characterising transiting exoplanets at long orbital period: lessons learned for PLATO from 10 years of monitoring the HIP41378 system2606.22996v1 · Alexandre Santerne, Salom'e Grouffal, St'ephane Udry2026 · 0 citationsarXiv
A decade of monitoring the HIP 41378's planetary system2606.23103v1 · S. Grouffal, A. Santerne, X. Dumusque 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 small transiting planet population revealed by ESPRESSO with extreme precision radial velocities2605.27002v1 · M. J. Hobson, B. Lavie, F. Bouchy et al.2026 · 0 citationsarXiv
The SPHERE infrared survey for exoplanets (SHINE) V. Full sample characterization2605.27247v2 · V. Squicciarini, S. Desidera, G. Chauvin et al.2026 · 0 citationsarXiv
An Ultra-Short Period Super-Earth and a Sub-Neptune Orbiting the K dwarf TOI-43112605.12324v1 · Yoshi Nike Emilia Eschen, Thomas G. Wilson, Andrew Collier Cameron 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)
Gas-depleted planet formation occurred in the four-planet system around the red dwarf LHS 1903.41678587 · Wilson, Thomas G, Simpson, Anna M, Collier Cameron, Andrew et al.2026 · 1 citationScience (New York, N.Y.). 2026;392(6795):eadl2348
Uncovering the rapidly evolving orbits of the dynamic TOI-201 system.41984949 · Mireles, Ismael, Ulmer-Moll, Solène, Liveoak, Donald et al.2026 · 1 citationScience advances. 2026;12(16):eaef2618
Recent development in high-precision high-fidelity spectrographs for exoplanet research and characterization2604.09020v1 · Francois Bouchy, Francesco Pepe, Xavier Dumusque 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)
Assessment of PLATO Science Performance2604.04818v1 · Juan Cabrera, Heike Rauer, Reza Samadi et al.2026 · 2 citationsarXiv
The PLATO Science Calibration and Validation Plan: Targets for the First Long-pointing Field2604.04042v1 · Konstanze Zwintz, Conny Aerts, Andrew Tkachenko et al.2026 · 0 citationsarXiv
The PLATO field selection process III. Selection of the Prime Sample for the LOPS2 field2604.03365v2 · V. Nascimbeni, G. Piotto, V. Granata et al.2026 · 0 citationsarXiv
Weighing the mass of LHS 3844 b2603.28237v2 · Alejandro Hacker, Nicola Astudillo-Defru, Rodrigo F. D'iaz et al.2026 · 0 citationsarXiv
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)
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
EBLM XVII - Tidal Synchronization and Circularization in Tight Stellar Binaries2603.04554v1 · Ritika Sethi, David V. Martin, Adrian Barker et al.2026 · 3 citationsarXiv
TIC-65910228 b / NGTS-38 b, a 180 day transiting warm super-Jupiter2602.12977v4 · Toby Rodel, Solene Ulmer-Moll, Samuel Gill et al.2026 · 2 citationsMon Not R Astron Soc (2026)
Discovery and characterisation of two exoplanets orbiting the metal-poor, solar-type star TOI-5788 with TESS, CHEOPS, and HARPS-N2601.14045v1 · Ben S. Lakeland, A. Mortier, R. D. Haywood et al.2026 · 0 citationsarXiv
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
Selection and characterisation of the M-dwarf targets in the PLATO Input Catalogue2512.14593v1 · L. Prisinzano, M. Montalto, G. Piotto et al.2025 · 2 citationsarXiv
A 43 day transiting Neptune and two 25 day Saturns from TESS, NGTS and ASTEP2512.07716v1 · Alicia Kendall, Solene Ulmer-Moll, Samuel Gill et al.2025 · 0 citationsarXiv
The EBLM Project XVIII. 3D Obliquities of Five Low-Mass Eclipsing Binaries2511.23430v2 · Becca Spejcher, David V. Martin, Jake Pandina et al.2025 · 1 citationMon Not R Astron Soc (2026)
TOI-7510: A solar-analog system of three transiting giant planets near a Laplace resonance chain2511.20074v1 · J.M. Almenara, A. Leleu, T. Guillot et al.2025 · 1 citationarXiv
HARPS-N, TESS, and CHEOPS discover a transiting sub-Neptune and two outer companions around the bright solar analogue HD 854262511.08473v1 · F. Lienhard, A. Mortier, A. Collier Cameron et al.2025 · 2 citationsarXiv
A Decade of Solar High-Fidelity Spectroscopy and Precise Radial Velocities from HARPS-N2510.27635v1 · X. Dumusque, K. Al Moulla, M. Cretignier et al.2025 · 3 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
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-283 b: A transiting mini-Neptune in a 17.6-day orbit discovered with TESS and ESPRESSO2510.15084v1 · F. Murgas, E. Pall'e, A. Su'arez Mascareno et al.2025 · 1 citationarXiv
NGTS-11 c: a transiting Neptune-mass planet interior to the warm Saturn NGTS-11 b2510.14083v1 · David R. Anderson, Jose I. Vines, Katharine Hesse et al.2025 · 0 citationsarXiv
An Ultra-Short Period Super-Earth and Sub-Neptune Spanning the Radius Valley Orbiting the Kinematic Thick Disk Star TOI-23452510.12783v1 · Yoshi Nike Emilia Eschen, Thomas G. Wilson, Andrea Bonfanti et al.2025 · 0 citationsarXiv
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
The ExoGRAVITY survey: A K-band spectral library of giant exoplanet and brown dwarf companions2510.08691v3 · J. Kammerer, T. O. Winterhalder, S. Lacour et al.2025 · 6 citationsA&A 704, A318 (2025)
A decade of transit photometry for K2-19: Revised system architecture2510.01985v1 · J.M. Almenara, R. Mardling, A. Leleu et al.2025 · 3 citationsarXiv
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