IR
I. Ribas
astro-ph.EPastro-ph.SRastro-ph.IMastro-phastro-ph.GAastro-ph.HEPlanetsAlkaloidsAstronomyALKALOIDS
On Valency
published · living versionsW_nkp485e3·v1 · currentpublished
Methane in the atmosphere of the transiting hot Neptune GJ436b?
with J. -P. Beaulieu, G. Tinetti, D. M. Kipping, R. J. Barber +12
1 version
Preprints & journals
433 papers in the corpus · 1969–2026CHEOPS 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
GUEST: Gravitational Universe Exploration with Satellite Tracking. A passive satellite laser-ranging mission for the dark gravitational Universe2607.18390v1 · Diego Blas, Aur'elien Hees, F. Javier Atapuerca et al.2026 · 0 citationsarXiv
Orbital motion and dynamical mass of the complex periodic variable binary system 2MASS J05082729-21014442605.04173v2 · S. Curiel, G. N. Ortiz-Le'on, V. J. S. B'ejar et al.2026 · 0 citationsarXiv
Constraining an exoplanets magnetic field using star-planet interactions2604.06969v3 · D. Revilla, P.J. Amado, R. Luque et al.2026 · 1 citationarXiv
Stellar encounters in the solar neighbourhood and the special case of GJ~7102605.16496v1 · Eloi Fernandez-Puig, Juan Carlos Morales, Ignasi Ribas et al.2026 · 0 citationsA&A 710, A252 (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)
Decoding the Radial Velocity Signatures of Solar Faculae with 3D MHD Simulations2605.22615v1 · Florian Kroll, Sowmya Krishnamurthy, Alexander Shapiro et al.2026 · 0 citationsarXiv
Spinning out of focus: The challenge of rotational line broadening in exoplanet reflection spectroscopy2605.16491v1 · T. O. Winterhalder, K. Molaverdikhani, D. Cont et al.2026 · 1 citationarXiv
Mitigating stellar radial velocity jitter using orthogonal activity indices and a time-aware neural network2605.04587v2 · Jordi Blanco-Pozo, Manuel Perger, Guillem Anglada-Escud'e et al.2026 · 1 citationarXiv
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
Improving radial velocity precision with CARMENES-PLUS:An upgrade of the near-infrared spectrograph cooling system2509.17966v2 · R. Varas, R. Calvo-Ortega, P. J. Amado et al.2025 · 0 citationsarXiv
Einstein Probe discovery of EP J171159.4-333253: an eclipsing neutron star low-mass X-ray binary with clocked bursts2601.11784v2 · Y. L. Wang, F. Coti Zelati, E. Parent et al.2026 · 1 citationarXiv
Gas-depleted planet formation occurred in the four-planet system around the red dwarf LHS 19032602.11271v1 · Thomas G. Wilson, Anna M. Simpson, Andrew Collier Cameron et al.2026 · 1 citationarXiv
Revisiting the atmosphere of HAT-P-70b with CARMENES high-resolution transmission spectroscopy2512.06731v1 · Tianjun Gan, Jaume Orell-Miquel, Fei Yan et al.2025 · 1 citationarXiv
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
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)
Deciphering transmission spectra by exploring the solar paradigm2512.06487v1 · Nina-Elisabeth Nemec, Oscar Porqueras- L'eon, Ignasi Ribas et al.2025 · 1 citationA&A 705, A111 (2026)
Characterization of two new transiting sub-Neptunes and a terrestrial planet around M-dwarf hosts2601.07414v1 · E. Poultourtzidis, G. Lacedelli, E. Pall'e et al.2026 · 2 citationsarXiv
Elemental abundance pattern and temperature inversion on the dayside of HAT-P-70b observed with CARMENES and PEPSI2512.21470v1 · B. Guo, F. Yan, Th. Henning et al.2025 · 4 citationsarXiv
Tighter constraints on the atmosphere of GJ 436 b from combined high-resolution CARMENES and CRIRES$^+$ observations2512.04161v1 · A. Pel'aez-Torres, A. S'anchez-L'opez, L. Nortmann et al.2025 · 5 citationsarXiv
Searching for Exoplanets Born Outside the Milky Way: VOYAGERS Survey Design2511.07632v1 · Robert Aloisi, Andrew Vanderburg, Melinda Soares-Furtado 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
Upper limits on atmospheric abundances of KELT-11b and WASP-69b from a retrieval approach2511.05154v1 · F. Lesjak, L. Nortmann, D. Cont et al.2025 · 3 citationsarXiv
A Drug Repurposing Strategy For a New Cause of Endometrial Infertility: Unveiling Promising New Treatments10.1101/2025.11.04.25339037v1 · Parraga-Leo, A., Sebastian-Leon, P., Sanchez-Reyes, J. M. et al.2025 · 1 citationmedRxiv
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)
The CARMENES search for exoplanets around M dwarfs : Understanding the wavelength dependence of radial velocity measurements2510.25334v1 · S. V. Jeffers, J. R. Barnes, P. Schofer et al.2025 · 3 citations2025A&A...696A..27J
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
The mass of the exo-Venus Gliese 12 b, as revealed by HARPS-N, ESPRESSO, and CARMENES2506.20564v2 · Daisy A. Turner, Yoshi Nike Emilia Eschen, Felipe Murgas et al.2025 · 5 citationsarXiv
Stratifying IVF population endometria using a prognosis gradient independent of endometrial timing†.40796355 · Sanchez-Reyes, Josefa Maria, Parraga-Leo, Antonio, Sebastian-Leon, Patricia et al.2025 · 1 citationHuman reproduction (Oxford, England). 2025;40(10):1928-1937
A planetary system with a sub-Neptune planet in the habitable zone of TOI-20932510.00299v1 · J. Sanz-Forcada, E. Gonz'alez-'Alvarez, M. R. Zapatero Osorio et al.2025 · 0 citationsarXiv
Modeling tails of escaping gas in exoplanet atmospheres with Harmonica2508.14846v1 · Carlos Gasc'on, Mercedes L'opez-Morales, Shreyas Vissapragada et al.2025 · 1 citationarXiv
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)
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 HUSTLE Program: The UV to Near-IR Transmission Spectrum of the Hot Jupiter KELT-7b2506.19193v1 · Carlos Gasc'on, Mercedes L'opez-Morales, Ryan J. MacDonald et al.2025 · 0 citationsarXiv
The CARMENES search for exoplanets around M dwarfs. Revisiting the GJ 317, GJ 463, and GJ 3512 systems and two newly discovered planets orbiting GJ 9773 and GJ 508.22507.15516v1 · J. C. Morales, I. Ribas, S. Reffert et al.2025 · 0 citationsarXiv
Discovery of a transiting hot water-world candidate orbiting Ross 176 with TESS and CARMENES2507.15763v1 · S. Gerald'ia-Gonz'alez, J. Orell-Miquel, E. Pall'e et al.2025 · 1 citationarXiv
Enhancing the detection of low-energy M dwarf flares: Wavelet-based denoising of CHEOPS data2412.15297v2 · J. Poyatos, O. Fors, J.M. G'omez Cama et al.2024 · 3 citationsA&A 699, A242 (2025)
Dark skies of the slightly eccentric WASP-18 b from its optical-to-infrared dayside emission2505.01544v2 · A. Deline, P. E. Cubillos, L. Carone et al.2025 · 9 citationsA&A 699, A150 (2025)
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
Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b. Detection of Fe and CO emission lines and evidence for inefficient heat transport2504.15757v1 · D. Cont, L. Nortmann, F. Lesjak et al.2025 · 9 citationsarXiv
The CARMENES search for exoplanets around M dwarfs. Cluster analysis of signals from spectral activity indicators to search for shared periods2504.08363v1 · J. Kemmer, M. Lafarga, B. Fuhrmeister et al.2025 · 0 citationsarXiv
The CARMENES search for exoplanets around M dwarfs. Occurrence rates of Earth-like planets around very low-mass stars2504.03364v2 · A. Kaminski, S. Sabotta, J. Kemmer et al.2025 · 7 citationsarXiv
Coronal and chromospheric activity of Teegarden's star2504.02338v1 · B. Fuhrmeister, J.H.M.M. Schmitt, A. Reienrs et al.2025 · 2 citations2024A&A...691A.208F
A joint effort to discover and characterize two resonant mini Neptunes around TOI-1803 with TESS, HARPS-N and CHEOPS2412.05423v1 · T. Zingales, L. Malavolta, L. Borsato et al.2024 · 3 citationsA&A 695, A273 (2025)
Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b2502.07887v1 · J. A. Egger, D. Kubyshkina, Y. Alibert et al.2025 · 0 citationsA&A 696, A28 (2025)
Dependence of Planet populations on Stellar Mass and Metallicity: A Pebble Accretion-based Planet Population Synthesis2504.00296v1 · Mengrui Pan, Beibei Liu, Linjie Jiang et al.2025 · 0 citationsarXiv
HADES RV Programme with HARPS-N at TNG. XVI. A super-Earth in the habitable zone of the GJ 3998 multi-planet system2503.08405v1 · A. K. Stefanov, A. Su'arez Mascareno, J. I. Gonz'alez Hern'andez et al.2025 · 3 citationsarXiv
CARMENES as an Instrument for Exoplanet Research2503.05501v1 · Jos'e A. Caballero, Walter Seifert, Andreas Quirrenbach et al.2025 · 1 citationarXiv
Connection between planetary He I $\lambda$10830 \AA\ absorption and extreme-ultraviolet emission of planet-host stars2501.03716v2 · J. Sanz-Forcada, M. L'opez-Puertas, M. Lamp'on et al.2025 · 27 citationsA&A, 693, A285 (2025)
Transit-timing variations in the AU Mic system observed with CHEOPS2501.13575v1 · 'A. Boldog, Gy. M. Szab'o, L. Kriskovics et al.2025 · 6 citationsarXiv
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