Using a cost-sensitive, uncertainty-aware neural network, the authors produce a catalog of roughly 20 million giant star metallicities from Gaia XP spectra, including hundreds of thousands of very metal-poor candidates.
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Metallicities of 20 Million Giant Stars Based on Gaia XP spectra
Using a cost-sensitive, uncertainty-aware neural network, the authors produce a catalog of roughly 20 million giant star metallicities from Gaia XP spectra, including hundreds of thousands of very metal-poor candidates.