A new NLTE Payne ANN recovers 18 elemental abundances from 4MOST-HR spectra with bias under 0.13 dex and matches OMEGA+ galactic chemical evolution model predictions.
The latter limits the output to within 0 to 1, consistent with the range of normalised spectra
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Observational constraints on the origin of the elements. X. Combining NLTE and machine learning for chemical diagnostics of 4 million stars in the 4MIDABLE-HR survey
A new NLTE Payne ANN recovers 18 elemental abundances from 4MOST-HR spectra with bias under 0.13 dex and matches OMEGA+ galactic chemical evolution model predictions.