activity
20232026
most citedA giant planet transiting a 3-Myr protostar with a misaligned disk

34 citations · 83 across the 40 of their papers we have counts for

collaborators

43 papers

astro-ph.EP2026

TS23/McDonald and FIES/NOT strike again. Two new warm Jupiter systems and outer companions in a third

E. Knudstrup, D. Gandolfi, W. D. Cochran +29

Warm Jupiters (gas giant planets with orbital periods of P8-200 d) are thought to be largely unaffected by the tidal interactions that can erase information about the dynamic…

astro-ph.EP2026★ 1 cited

ASTEP confirmation of a pair of long-period Jupiter-sized planets with extremely low densities transiting TOI-791

Georgina Dransfield, Antoine C. Petit, Amaury H. M. J. Triaud +45

Gas giant planets with periods orbiting Sun-like stars are a relatively uncommon outcome of planetary formation, and key questions about the nature and form…

astro-ph.EP2026

TOI-6884b: A low-mass brown dwarf transiting a slightly evolved star

Akanksha Khandelwal, Shubhendra Nath Das, Rishikesh Sharma +42

We report the discovery of a low-mass transiting brown dwarf orbiting TOI-6884 (TIC~156514476, ) from NASA's \textit{Transiting Exoplanet Survey Satellite} (\text…

astro-ph.EP2026

A Warm Massive Pair of Planets around TOI-1232 Revealed with Transit-timing Variations and Doppler Spectroscopy

Deyan P. Mihaylov, Jan Eberhardt, Trifon Trifonov +32

TOI-1232 is a G-dwarf star with a mass of , a radius of , and slightly higher metallicity than solar of Fe/H = .…

astro-ph.EP2026★ 1 cited

An Adolescent and Near-Resonant Planetary System Near the End of Photoevaporation

Mu-Tian Wang, Fei Dai, Hui-Gen Liu +28

Young exoplanets provide vital insights into the early dynamical and atmospheric evolution of planetary systems. Many multi-planet systems younger than 100 Myr exhibit mean-motion…

astro-ph.EP2026

TOI-6692b: An eccentric 130 day period giant planet with a single transit from TESS

Allyson Bieryla, Karen A. Collins, George Zhou +46

We report the discovery and characterization of TOI-6692 b, an eccentric (e~0.54) Jupiter on a 130-day orbit. TOI-6692 b was first detected as a community TESS Object of Interest (…

astro-ph.EP2026

TOI-3862 b: A dense super-Neptune deep in the hot Neptune desert

Ilaria Carleo, Amadeo Castro-González, Enric Pallé +61

The structure and evolution of close-in exoplanets are shaped by atmospheric loss and migration processes, which give rise to key population features such as the hot Neptune desert…

astro-ph.EP2026

Characterization of two new transiting sub-Neptunes and a terrestrial planet around M-dwarf hosts

E. Poultourtzidis, G. Lacedelli, E. Pallé +49

We report the confirmation of three transiting exoplanets orbiting TOI-1243 (LSPM~J0902+7138), TOI-4529 (G~2--21), and TOI-5388 (Wolf~346) that were initially detected by TESS thro…

astro-ph.EP2025

Precise mass and radius determination for two new and one known Neptune-sized planets around G Dwarf hosts

Ilaria Carleo, Grzegorz Nowak, Felipe Murgas +56

As part of the KESPRINT collaboration, we present the discovery and characterization of three exoplanets in the sub-Neptune to super-Neptune regime, spanning key regions of the exo…

astro-ph.EP2025

TESS Investigation -- Demographics of Young Exoplanets (TI-DYE) IV: a Jovian radius planet orbiting a 34 Myr Sun-like star in the Vela association

Madyson G. Barber, Andrew W. Mann, Andrew Vanderburg +17

The discovery of infant (< 50 Myr), close-in (<30-day period) planets is vital in understanding the formation mechanisms that lead to the distribution of mature transiting planets…

astro-ph.EP2025★ 4 cited

TOI-3288 b and TOI-4666 b: two gas giants transiting low-mass stars characterised by NIRPS

Yolanda G. C. Frensch, François Bouchy, Gaspare Lo Curto +62

Gas giant planets orbiting low-mass stars are uncommon outcomes of planet formation. Increasing the sample of well-characterised giants around early M dwarfs will enable population…

astro-ph.EP2025

THYME XIII: Two young Neptunes orbiting a 75-Myr star in the Alpha Persei Cluster

Anne Dattilo, Andrew M. Vanderburg, Madyson G. Barber +28

Young planets with mass measurements are particularly valuable in studying atmospheric mass-loss processes, but these planets are rare and their masses difficult to measure due to…

astro-ph.EP2025

TOI-2155 b: A Massive Brown Dwarf or a Very Low-Mass Star?

Md Redyan Ahmed, Tansu Daylan, Theron W. Carmichael +14

We present TOI-2155\,b, a massive transiting companion, discovered using data from NASA's Transiting Exoplanet Survey Satellite (TESS) mission and confirmed with ground-based RV me…

astro-ph.EP2025

TOI-1438: A rare system with two short-period sub-Neptunes and a tentative long-period Jupiter-like planet orbiting a K0V star

Carina M. Persson, Emil Knudstrup, Ilaria Carleo +44

We present the detection and characterisation of the TOI-1438 multi-planet system discovered by TESS. We collected a series of follow-up observations including high-spectral resolu…

astro-ph.EP2025

Validation of TESS Planet Candidates with Multi-Color Transit Photometry and TRICERATOPS+

Jonathan Gomez Barrientos, Michael Greklek-McKeon, Heather A. Knutson +33

We present an upgraded version of TRICERATOPS, a software package designed to calculate false positive probabilities for planet candidates identified by the Transiting Exoplanet Su…

astro-ph.EP2025

Updated Masses for the Gas Giants in the Eight-Planet Kepler-90 System Via Transit-Timing Variation and Radial Velocity Observations

David E. Shaw, Lauren M. Weiss, Eric Agol +28

The eight-planet Kepler-90 system exhibits the greatest multiplicity of planets found to date. All eight planets are transiting and were discovered in photometry from the NASA Kepl…

astro-ph.EP2025★ 4 cited

Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. VI: Confirmation of a Long-Period Giant Planet Discovered with a Single TESS Transit

Zahra Essack, Diana Dragomir, Paul A. Dalba +81

We report the discovery and confirmation of TOI-4465 b, a , giant planet orbiting a G dwarf star at 122 pc. The planet was…

astro-ph.EP2025

TOI-1846b: A super-Earth in the radius valley orbiting a nearby M dwarf

Abderahmane Soubkiou, Khalid Barkaoui, Zouhair Benkhaldoun +42

We present the discovery and validation of a super-Earth planet orbiting the M dwarf star TOI-1846 (TIC 198385543). The host star(Kmag = 9.6)is located 47 pc away and has a radius…

astro-ph.EP2025

The TOI-1117 Multi-planetary System: 3 sub-Neptunes, 1 in both the Neptunian Desert and Radius Valley

Isobel S. Lockley, David J. Armstrong, Jorge Fernández Fernández +33

We present the discovery of three sub-Neptune planets around TOI-1117, a Sun-like star with mass , radius , age Gyr and ef…

astro-ph.EP2025

A Ground-Based Transit Observation of the Long-Period Extremely Low-Density Planet HIP 41378 f

Juliana García-Mejía, Zoë L. de Beurs, Patrick Tamburo +25

We present a ground-based transit detection of HIP 41378 f, a long-period ( days), extremely low-density ( g cm) giant exoplanet in a dynamically com…

astro-ph.EP2025

HD 35843: A Sun-like star hosting a long period sub-Neptune and inner super-Earth

Katharine Hesse, Ismael Mireles, François Bouchy +52

We report the discovery and confirmation of two planets orbiting the metal-poor Sun-like star, HD 35843 (TOI 4189). HD 35843 c is a temperate sub-Neptune transiting planet with an…

astro-ph.EP2025

TOI-6478 b: a cold under-dense Neptune transiting a fully convective M dwarf from the thick disc

Madison G. Scott, Amaury H. M. J. Triaud, Khalid Barkaoui +25

Growing numbers of exoplanet detections continue to reveal the diverse nature of planetary systems. Planet formation around late-type M dwarfs is of particular interest. These syst…

astro-ph.EP2025★ 5 cited

TOI-2005b: An Eccentric Warm Jupiter in Spin-Orbit Alignment

Allyson Bieryla, Jiayin Dong, George Zhou +36

We report the discovery and characterization of TOI-2005b, a warm Jupiter on an eccentric (e~0.59), 17.3-day orbit around a V_mag = 9.867 rapidly rotating F-star. The object was de…

astro-ph.EP2025★ 1 cited

ExoMiner++: Enhanced Transit Classification and a New Vetting Catalog for 2-Minute TESS Data

Hamed Valizadegan, Miguel J. S. Martinho, Jon M. Jenkins +24

We present ExoMiner++, an enhanced deep learning model that builds on the success of ExoMiner to improve transit signal classification in 2-minute TESS data. ExoMiner++ incorporate…