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.
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Gravitational redshift yields Hyades white dwarf masses 0.02-0.05 solar masses lower than other methods, with M/R error ~5% and agreement with models to within a few percent.
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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.
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Masses of the Hyades white dwarfs: A gravitational redshift measurement
Gravitational redshift yields Hyades white dwarf masses 0.02-0.05 solar masses lower than other methods, with M/R error ~5% and agreement with models to within a few percent.