DE
D. Ehrenreich
astro-ph.EPastro-ph.SRastro-ph.IMastro-phphysics.ao-phastro-ph.COastro-ph.GAastro-ph.HEDirect imagingEarth Sciences
On Valency
published · living versionsW_kgvxmmtv·v1 · currentpublished
W_hnqry98y·v1published
W_qzhza6w2·v1published
Preprints & journals
335 papers in the corpus · 2004–2026Detection of escaping magnesium in the upper atmosphere of WASP-76b2610.09128v1 · Lakeisha M. Ramos Rosado, Leonardo A. Dos Santos, Joshua D. Lothringer 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
Early Hadean Earth conditions were ideal for prebiotic chemistryx5s809 · Lili Loth, Joaquin Bastias-Silva, Clémentine Antoine et al.2026 · 0 citationsEarthArXiv
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
The atomic C/O ratio of KELT-9b2609.13051v1 · Stefan Pelletier, Nicholas W. Borsato, Jacob L. Bean et al.2026 · 0 citationsarXiv
Two extremely irradiated volatile-rich sub-Neptunes with companions in the TOI-426 and TOI-1839 systems: Insights into arrival and survival near the lower edge of the Neptunian desert2609.05413v2 · A. Castro-Gonz'alez, O. Barrag'an, D. J. Armstrong 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
RISTRETTO: Assembly and Testing of the Seven-spaxel, High-resolution, Diffraction-limited Spectrograph2608.25867v1 · Leonie Hoerner, Bruno Chazelas, Nathanael Restori 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
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
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
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 Neptunian ridge as a natural outcome of high-eccentricity tidal migration2604.16300v4 · A. Castro-Gonz'alez, V. Bourrier, D. Ehrenreich et al.2026 · 4 citationsA&A 709, L17 (2026)
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
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)
Precise measurement of WASP-31 b's Rossiter-McLaughlin effect and characterization of the planet transmission spectra2602.15501v1 · M. Steiner, V. Bourrier, D. Ehrenreich et al.2026 · 0 citationsarXiv
Ultra-hot Jupiter atmospheres at high spectral resolution2602.02845v1 · Stefan Pelletier, Daniel Kitzmann, Valentina Vaulato et al.2026 · 0 citationsarXiv
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
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
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
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
A decade of transit photometry for K2-19: Revised system architecture2510.01985v1 · J.M. Almenara, R. Mardling, A. Leleu et al.2025 · 3 citationsarXiv
ATREIDES I. Embarking on a trek across the exo-Neptunian landscape with the TOI-421 system2509.15746v1 · V. Bourrier, M. Steiner, A. Castro-Gonz'alez et al.2025 · 9 citationsA&A, 701, A190 (2025)
Transit Timing Variations in HIP 41378: CHEOPS and TESS confirm a non-transiting sixth planet in the system2509.14156v3 · P. Leonardi, L. Borsato, L. Pagliaro et al.2025 · 3 citationsA&A 702, A211 (2025)
A four-planet system orbiting the old thick disk star TOI-12032509.10136v1 · D. Gandolfi, A. Alnajjarine, L. M. Serrano et al.2025 · 1 citationarXiv
The changing transit shape of TOI-3884 b2509.04297v1 · Hritam Chakraborty, Jose M. Almenara, Monika Lendl et al.2025 · 4 citationsA&A 702, A100 (2025)
Improved characterization of the TOI-2141 system: a dense sub-Neptune with non-transiting inner and outer companions2509.00762v1 · R. Luque, K. W. F. Lam, J. Cabrera et al.2025 · 0 citationsA&A 704, A174 (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
TOI-2322: two transiting rocky planets close to the stellar rotation period and its first harmonic2508.18094v1 · M. J. Hobson, A. Su'arez Mascareno, C. Lovis et al.2025 · 3 citationsA&A 702, A32 (2025)
Enriched volatiles and refractories but deficient titanium on the dayside atmosphere of WASP-121b revealed by JWST/NIRISS2508.18341v2 · Stefan Pelletier, Louis-Philippe Coulombe, Jared Splinter et al.2025 · 10 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
The CHEOPS view of HD 95338b: refined transit parameters, and a search for exomoons2507.15318v1 · Sz. K'alm'an, A. E. Simon, A. Deline et al.2025 · 1 citationA&A 701, A240 (2025)
The ESPRESSO transmission spectrum of HD$\,\,$b : Extracting the planetary sodium and lithium signatures amid stellar contamination2506.21459v1 · D. Mounzer, W. Dethier, C. Lovis et al.2025 · 4 citationsarXiv
The KELT-7b atmospheric thermal-inversion conundrum revisited with CHEOPS, TESS, and additional data2506.20432v1 · Z. Garai, A. Krenn, P.E. Cubillos et al.2025 · 2 citationsarXiv
Hubble's Multi-Year Search for Exospheres in the TRAPPIST-1 System Reveals Frequent Microflares2506.12140v1 · David Berardo, Julien de Wit, Michael Gillon et al.2025 · 2 citationsarXiv
An Eccentric Sub-Neptune Moving Into the Evaporation Desert2505.10324v2 · Sydney Jenkins, Andrew Vanderburg, Ritika Sethi et al.2025 · 2 citationsarXiv
CHEOPS Ground Segment: Systems and Automation for Mission and Science Operations2505.08352v1 · Alexis Heitzmann, Mar'ia J. Gonz'alez Bonilla, Anja Bekkelien et al.2025 · 0 citationsarXiv
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