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A supervised, probabilistic taxonomic classification for the full Gaia Data Release 3 asteroid sample. The dataset models spectral class likelihoods using multivariate kernel density estimation on principal components derived from Gaia DR3 reflectance spectra. It was created by Marco Delbo and published on the figshare platform in April 2026.
Released under a CC-BY-4.0 license. The classification is probabilistic, requiring interpretation of likelihood values rather than discrete labels. The limited wavelength range of Gaia's spectrophotometry inherently affects spectral discrimination for some classes.