activity
20152026
most citedSix transiting planets and a chain of Laplace resonances in TOI-178

195 citations · 3k across the 126 of their papers we have counts for

collaborators

130 papers

astro-ph.EP2026

Systematic Uncertainties in Rocky Exoplanet Reflected Light from Incomplete Laboratory BRDF Measurements

Leonardos Gkouvelis, Michael K. Shepard, Paul Helfenstein +2

The first observations of short-period rocky exoplanets have initiated the era of terrestrial exoplanet characterization. The interpretation of these observations relies on forward…

astro-ph.EP2026

TOI-6981 b: a transiting sub-Neptune at the water ice line

Madison G. Scott, Amaury H. M. J Triaud, Emily K. Pass +42

We present TOI-6981 b, a cold (Teq= 175^{+6}_{-5} K, assuming an Earth-like albedo) sub-Neptune (Rb=2.51+/-0.11 R_oplus) orbiting on a 60.8 day orbit around around its M4-type host…

astro-ph.IM2026

Towards High-Throughput Visible Photonic Lanterns for the EMARCOT Project

Abani Shankar Nayak, Julius Goehring, Marina Centenera-Merino +14

Photonic EMARCOT is an innovative project involving Spanish, German and Australian research institutes that aims to integrate multiple Optical Tube Assemblies (OTAs) using photonic…

astro-ph.IM2026

Demonstration of a multimode-to-multimode photonic lantern for astronomy

Marina Centenera-Merino, Andrew Ross-Adams, Christopher Betters +14

Photonic lanterns have been widely used in astronomy as low-loss multiplexing devices, typically coupling light from a multimode input into several single-mode outputs. In this wor…

astro-ph.IM2026

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…

astro-ph.EP2026

Helium-poor winds do not require helium-poor planets

Leonardos Gkouvelis, Francisco J. Pozuelos

Observations of the metastable He,{\sc i},10830,Å triplet have revealed escaping exoplanet atmospheres whose inferred helium abundances range from nearly nebular compositions to st…

astro-ph.EP2026

A gem system with a lava world and a habitable zone sub-Neptune orbiting TOI-1752

A. Peláez-Torres, F. J. Pozuelos, G. Morello +47

The Transiting Exoplanet Survey Satellite (TESS) has delivered a large number of transiting planet candidates around nearby stars by identifying periodic decreases in stellar brigh…

astro-ph.SR2026

The CARMENES search for exoplanets around M dwarfs. A homogeneous catalogue of projected rotational velocities accounting for limb-darkening

R. Varas, G. Morello, M. Zechmeister +18

Stellar rotation is closely linked to both age and magnetic activity. Through gyrochronology, it provides a means to estimate stellar ages and trace the evolution of planetary syst…

astro-ph.EP2026★ 1 cited

Predictions of Stellar Occultations by Haumea and the Event of 4 May 2026

José Luis Ortiz, Nicolas Morales, Antonio Ocaña-Pastor +8

Haumea is the third-largest of the five officially recognized dwarf planets and one of the four that reside in the trans-Neptunian region. It is among the most exotic bodies in the…

astro-ph.EP2026

TOI-4616 b: a benchmark Earth-sized planet transiting a nearby M4 dwarf

F. Zong Lang, B. O. Demory, Y. Gomez Maqueo Chew +44

Rocky exoplanets are particularly abundant around M-type stars. Their small radii and low luminosities provide favourable conditions for detecting transiting terrestrial planets an…

astro-ph.EP2026

TOI-1080 b: a temperate, rocky planet orbiting a quiet M4V host

Y. Gómez Maqueo Chew, G. Dransfield, K. Barkaoui +41

We present the detection and validation of a small, temperate transiting exoplanet orbiting TOI-1080 every 3.9652482 days. The host is a quiet M4V star…

astro-ph.EP2026

Hidden Gems in TESS: sherlock finds two new rocky planets around nearby M dwarfs

M. Timmermans, M. Dévora-Pajares, F. J. Pozuelos +25

The Hidden Gems project searches the TESS data for additional planets transiting low-mass stars in confirmed systems. Our goal is to identify planet candidates that are below the d…

astro-ph.IM2026

Towards a Comprehensive Understanding of Planetary Systems through Population-Level, Large-Scale Surveys

Francisco J. Pozuelos, Pedro J. Amado, Jesús Aceituno +13

Over the past three decades, exoplanet research has delivered an extensive census of planets spanning a wide range of masses, sizes, and orbital configurations. Despite this progre…

astro-ph.EP2026

Two temperate Earth- and Neptune-sized planets orbiting fully convective M dwarfs

Madison G. Scott, Georgina Dransfield, Mathilde Timmermans +30

As the diversity of exoplanets continues to grow, it is important to revisit assumptions about habitability and classical HZ definitions. In this work, we introduce an expanded 'te…

astro-ph.EP2025

Validation of a Third Earth-sized Planet in the TOI-2267 Binary System

Michael Greklek-McKeon, Jonathan Gomez Barrientos, Heather A. Knutson +13

We report the validation of a third terrestrial exoplanet in the nearby (22 pc) TOI-2267 system. TOI-2267 is a binary system with stellar components TOI-2267A (M5, 3030 K) and TOI-…

astro-ph.EP2025★ 2 cited

TOI-7166 b: A Habitable Zone mini-Neptune planet around a nearby low-mass star

Khalid Barkaoui, Francisco J. Pozuelos, Benjamin V. Rackham +41

We present the discovery and validation of TOI-7166b, a 2.01+/-0.05R_Earth planet orbiting a nearby low-mass star. We validated the planet by combining TESS and multi-color high-pr…

astro-ph.EP2025★ 2 cited

WATSON-Net: Vetting, Validation, and Analysis of Transits from Space Observations with Neural Networks

M. Dévora-Pajares, F. J. Pozuelos, J. C. Suárez +2

Context. As the number of detected transiting exoplanet candidates continues to grow, the need for robust and scalable automated tools to prioritize or validate them has become inc…

astro-ph.EP2025★ 1 cited

The Atmospheric Composition of Sub-Neptune K2-18 b and Implications for its Formation

Gareb Fernández-Rodríguez, Giuseppe Morello, Jonathan C. Tan +8

Unlocking the atmospheres of sub-Neptunes is among JWST's major achievements, yet such observations demand complex analyses that strongly affect interpretations. We present an inde…

astro-ph.EP2025

NGTS-11 c: a transiting Neptune-mass planet interior to the warm Saturn NGTS-11 b

David R. Anderson, Jose I. Vines, Katharine Hesse +56

We report the discovery of NGTS-11 c, a transiting warm Neptune ( d; ; ), in an…

astro-ph.EP2025★ 3 cited

MANGOS II: Five new giant planets orbiting low-mass stars

G. Dransfield, M. Timmermans, D. Sebastian +47

Giant planets orbiting low-mass stars on short orbits present a conundrum, as in the most extreme cases their existence cannot be reconciled with current models of core accretion.…

astro-ph.EP2025★ 8 cited

Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-2267

S. Zúñiga-Fernández, F. J. Pozuelos, M. Dévora-Pajares +63

We report two warm Earth-sized exoplanets orbiting the close binary TOI-2267 (M5+M6, separation ~8 au). Data from TESS and ground-based facilities confirm the planets, but we canno…

astro-ph.EP2025★ 3 cited

TOI-1743 b, TOI-5799 b, TOI-5799 c and TOI-6223 b: TESS discovery and validation of four super-Earth to Neptune-sized planets around M dwarfs

S. Yalçınkaya, K. Barkaoui, Ö. Baştürk +62

We present the discovery by the TESS mission of one transiting Neptune-sized planet, TOI-6223 b and two transiting super-Earths, TOI-1743 b and TOI-5799 b. We validate these planet…

astro-ph.EP2025

Sibling Sub-Neptunes Around Sibling M Dwarfs: TOI-521 and TOI-912

G. Lacedelli, E. Pallé, R. Luque +47

Sub-Neptunes are absent in the Solar System, yet they are commonly found in our Galaxy. They challenge the internal structure models and prompt investigation on their formation, ev…

astro-ph.EP2025★ 8 cited

Interior redox state effects on the stability of secondary atmospheres and observational manifestations: LP 791-18 d as a case study for outgassing rocky exoplanets

Leonardos Gkouvelis, Francisco J. Pozuelos, Thomas Drant +3

Recent advances in space and ground-based facilities now enable atmospheric characterization of a selected sample of rocky exoplanets. These atmospheres offer key insights into pla…