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20242026
most citedDirect Imaging Discovery of Giant Exoplanet Pictoris d: A Decade-Long Game of Hide-and-Seek

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astro-ph.EP20261 cited

Direct Imaging Discovery of Giant Exoplanet Pictoris d: A Decade-Long Game of Hide-and-Seek

Ben J. Sutlieff, Markus J. Bonse, Valentin Christiaens +94

The paper reports the direct imaging discovery of a third giant exoplanet, β Pictoris d, using VLT/ERIS and archival JWST/NIRCam and VLT/SPHERE data, and characterizes its orbit, t…

astro-ph.EP2026

Machine Learning as a Transformative Tool for (Exo-)Planetary Science

J. Davoult, V. T. Bickel, C. Haslebacher +11

The exploration of planetary bodies in our Solar system and beyond relies on the processing and interpretation of large, spatio-temporally inconsistent, and heterogeneous datasets.…

astro-ph.EP2025

Surrogate-Accelerated Bayesian Inversion for Exoplanet Interior Characterization

Tijn De Wringer, Caroline Dorn, Emily O. Garvin +1

Characterizing the interior structure of exoplanets is an inverse problem often solved using Bayesian inference, but this approach is hampered by the high computational cost of pla…

astro-ph.EP2025

High-contrast spectroscopy with the new VLT/ERIS instrument: Molecular maps and radial velocity of the gas giant AF Lep b

Jean Hayoz, Markus Johannes Bonse, Felix Dannert +66

The Enhanced Resolution Imager and Spectrograph (ERIS) is the new Adaptive-Optics (AO) assisted Infrared instrument at the Very Large Telescope (VLT). Its refurbished Integral Fiel…

astro-ph.EP2025

Detecting Atmospheric CO2 Trends as Population-Level Signatures for Long-Term Stable Water Oceans and Biotic Activity on Temperate Terrestrial Exoplanets

Janina Hansen, Daniel Angerhausen, Sascha P. Quanz +6

Identifying key observables is essential for enhancing our knowledge of exoplanet habitability and biospheres, as well as improving future mission capabilities. While currently cha…

astro-ph.EP2025

What if we find nothing? Bayesian analysis of the statistical information of null results in future exoplanet habitability and biosignature surveys

Daniel Angerhausen, Amedeo Balbi, Andjelka B. Kovačević +2

Future telescopes will survey temperate, terrestrial exoplanets to estimate the frequency of habitable () or inhabited () planets. This study aim…