Exoplanet characterization using conditional invertible neural networks

J Haldemann, V Ksoll, D Walter, Y Alibert… - Astronomy & …, 2023 - aanda.org
Context. The characterization of the interior of an exoplanet is an inverse problem. The
solution requires statistical methods such as Bayesian inference. Current methods employ …

Stellar associations powering H ii regions – I. Defining an evolutionary sequence

F Scheuermann, K Kreckel, AT Barnes… - Monthly Notices of …, 2023 - academic.oup.com
Connecting the gas in H ii regions to the underlying source of the ionizing radiation can help
us constrain the physical processes of stellar feedback and how H ii regions evolve over …

Topological models to infer multiphase interstellar medium properties

V Lebouteiller, L Ramambason - Astronomy & Astrophysics, 2022 - aanda.org
Context. Spectroscopic observations of high-redshift galaxies slowly reveal the same
complexity of the interstellar medium (ISM) as expected from resolved observations in …

Noise-Net: determining physical properties of H ii regions reflecting observational uncertainties

DE Kang, RS Klessen, VF Ksoll… - Monthly Notices of …, 2023 - academic.oup.com
Stellar feedback, the energetic interaction between young stars and their birthplace, plays
an important role in the star formation history of the Universe and the evolution of the …

Photoacoustic quantification of tissue oxygenation using conditional invertible neural networks

JH Nölke, TJ Adler, M Schellenberg… - … on Medical Imaging, 2024 - ieeexplore.ieee.org
Intelligent systems in interventional healthcare depend on the reliable perception of the
environment. In this context, photoacoustic tomography (PAT) has emerged as a non …

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 …

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 …

Machine-learning the gap between real and simulated nebulae: A domain-adaptation approach to classify ionised nebulae in nearby galaxies

F Belfiore, M Ginolfi, G Blanc, M Boquien… - arXiv preprint arXiv …, 2024 - arxiv.org
Classifying ionised nebulae in nearby galaxies is crucial to studying stellar feedback
mechanisms and understanding the physical conditions of the interstellar medium. This …

Comparing simulated Milky Way satellite galaxies with observations using unsupervised clustering

LH Chen, T Hartwig, RS Klessen… - Monthly Notices of the …, 2022 - academic.oup.com
We develop a new analysis method that allows us to compare multidimensional observables
to a theoretical model. The method is based on unsupervised clustering algorithms which …