ExoMDN: Rapid characterization of exoplanet interior structures with mixture density networks

P Baumeister, N Tosi - Astronomy & Astrophysics, 2023 - aanda.org
Aims. Characterizing the interior structure of exoplanets is essential for understanding their
diversity, formation, and evolution. As the interior of exoplanets is inaccessible to …

BICEPS: An improved characterization model for low-and intermediate-mass exoplanets

J Haldemann, C Dorn, J Venturini, Y Alibert… - Astronomy & …, 2024 - aanda.org
Context. The number of exoplanets with precise mass and radius measurements is
constantly increasing thanks to novel ground-and space-based facilities such as HARPS …

Unveiling the internal structure and formation history of the three planets transiting HIP 29442 (TOI-469) with CHEOPS

JA Egger, HP Osborn, D Kubyshkina… - Astronomy & …, 2024 - aanda.org
Multiplanetary systems spanning the radius valley are ideal testing grounds for exploring the
different proposed explanations for the observed bimodality in the radius distribution of close …

Searching for Novel Chemistry in Exoplanetary Atmospheres Using Machine Learning for Anomaly Detection

RT Forestano, KT Matchev, K Matcheva… - The Astrophysical …, 2023 - iopscience.iop.org
The next generation of telescopes will yield a substantial increase in the availability of high-
quality spectroscopic data for thousands of exoplanets. The sheer volume of data and …

To Sample or Not to Sample: Retrieving Exoplanetary Spectra with Variational Inference and Normalizing Flows

KH Yip, Q Changeat, A Al-Refaie… - The Astrophysical …, 2024 - iopscience.iop.org
Current endeavours in exoplanet characterization rely on atmospheric retrieval to quantify
crucial physical properties of remote exoplanets from observations. However, the scalability …

Accretion of primordial H–He atmospheres in mini-Neptunes: The importance of envelope enrichment

MM Lous, C Mordasini, R Helled - Astronomy & Astrophysics, 2024 - aanda.org
Context. Out of the more than 5000 detected exoplanets, a considerable number belong to a
category called “mini-Neptunes”. Interior models of these planets suggest that they have …

Inferring stellar parameters and their uncertainties from high-resolution spectroscopy using invertible neural networks

N Candebat, GG Sacco, L Magrini, F Belfiore… - Astronomy & …, 2024 - aanda.org
Context. New spectroscopic surveys will increase the number of astronomical objects in
need of characterisation by more than an order of magnitude. Machine learning tools are …

A deep-learning approach to the 3D reconstruction of dust density and temperature in star-forming regions

VF Ksoll, S Reissl, RS Klessen, IW Stephens… - Astronomy & …, 2024 - aanda.org
Aims. We introduce a new deep-learning approach for the reconstruction of 3D dust density
and temperature distributions from multi-wavelength dust emission observations on the …

NeuralCMS: A deep learning approach to study Jupiter's interior

M Ziv, E Galanti, A Sheffer, S Howard, T Guillot… - Astronomy & …, 2024 - aanda.org
Context. NASA's Juno mission provided exquisite measurements of Jupiter's gravity field that
together with the Galileo entry probe atmospheric measurements constrains the interior …

Spectral classification of young stars using conditional invertible neural networks-I. Introducing and validating the method

VF Ksoll, D Itrich, L Testi, RS Klessen… - Astronomy & …, 2023 - aanda.org
Aims. We introduce a new deep-learning tool that estimates stellar parameters (eg effective
temperature, surface gravity, and extinction) of young low-mass stars by coupling the …