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astro-ph.IM2024
Semi-supervised Spectral Classification of DESI White Dwarfs by Dimensionality Reduction
Xander Byrne, Amy Bonsor, Laura K. Rogers +1
As a new generation of large-sky spectroscopic surveys comes online, the enormous data volume poses unprecedented challenges in classifying spectra. Modern unsupervised techniques…
astro-ph.GA2024
Quasar Island -- Three new quasars, including a lensed candidate, identified with contrastive learning
Xander Byrne, Romain A. Meyer, Emanuele Paolo Farina +5
Of the hundreds of quasars discovered to date, only one is known to be gravitationally lensed, despite the high lensing optical depth expected at . High-reds…