3 papers
astro-ph.IM2026
SVOM/ECLAIRs detection plane: main features and performance
O. Godet, J. -L. Atteia, R. Pons +21
The detection plane of the high-energy transient camera ECLAIRs onboard SVOM is made of 200 XRDPIX detection modules, each consisting of a matrix of Schottky-type CdTe…
astro-ph.IM2026
Simulation-based inference with neural posterior estimation applied to X-ray spectral fitting -- III Deriving exact posteriors with dimension reduction and importance sampling
Didier Barret, Simon Dupourqué
Simulation-based inference (SBI) with neural posterior estimation (NPE) provides rapid X-ray spectral fitting in both Gaussian and Poisson regimes by learning approximate parameter…
astro-ph.IM2025
Simulation-based inference with neural posterior estimation applied to X-ray spectral fitting II -- High-resolution spectroscopy with the X-ray Integral Field Unit
Simon Dupourqué, Didier Barret
X-ray spectral fitting in high-energy astrophysics can be reliably accelerated using Machine Learning. In particular, Simulation-based Inference (SBI) produces accurate posterior d…