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astro-ph.IM2024★ 4 cited
jaxspec : a fast and robust Python library for X-ray spectral fitting
Simon Dupourqué, Didier Barret, Camille M. Diez +2
Context. Inferring spectral parameters from X-ray data is one of the cornerstones of high-energy astrophysics, and is achieved using software stacks that have been developed over t…
astro-ph.IM2024
Simulation-Based Inference with Neural Posterior Estimation applied to X-ray spectral fitting: Demonstration of working principles down to the Poisson regime
Didier Barret, Simon Dupourqué
Neural networks are being extensively used for modelling data, especially in the case where no likelihood can be formulated. Although in the case of X-ray spectral fitting, the lik…