Spectroscopic follow-up validates high accuracy of ML classification for Gaia white dwarf spectra and reclassifies most 'massive DB' candidates as magnetic white dwarfs or warm DQs consistent with merger origins.
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Simulation-derived Stark-broadened He I profiles are compared to semi-analytical ones for DB white dwarf spectroscopy, including impacts from frequency sampling, neutral particle broadening, and hydrodynamical effects on SDSS DR17 data.
citing papers explorer
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Hot DQs, magnetic and metal-polluted white dwarfs: spectroscopic insights from a Gaia machine-learning-selected 500 pc sample
Spectroscopic follow-up validates high accuracy of ML classification for Gaia white dwarf spectra and reclassifies most 'massive DB' candidates as magnetic white dwarfs or warm DQs consistent with merger origins.
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A Theoretical Investigation of He I Line Profiles for the Spectroscopic Analysis of DB White Dwarfs
Simulation-derived Stark-broadened He I profiles are compared to semi-analytical ones for DB white dwarf spectroscopy, including impacts from frequency sampling, neutral particle broadening, and hydrodynamical effects on SDSS DR17 data.