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astro-ph.IM2023★ 2 cited
nbi: the Astronomer's Package for Neural Posterior Estimation
Keming Zhang, Joshua S. Bloom, Stéfan van der Walt +1
Despite the promise of Neural Posterior Estimation (NPE) methods in astronomy, the adaptation of NPE into the routine inference workflow has been slow. We identify three critical i…
astro-ph.SR2023
Stellar Spectra Fitting with Amortized Neural Posterior Estimation and nbi
Keming Zhang, Tharindu Jayasinghe, Joshua S. Bloom
Modern surveys often deliver hundreds of thousands of stellar spectra at once, which are fit to spectral models to derive stellar parameters/labels. Therefore, the technique of Amo…