3D CO5BOLD simulations show convective overshoot increases the fully mixed mass in DA white dwarfs by up to 2.5 orders of magnitude and shifts the convection onset temperature to 18000-18250 K.
D., Klein B., Jura M.
3 Pith papers cite this work. Polarity classification is still indexing.
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Model atmosphere fitting of 25,642 cool white dwarfs in DESI DR1 finds no photometric-spectroscopic mass discrepancy for DAs, magnetic DAs at all temperatures, increasing H/He ratios in He-atmosphere stars below ~10,000 K, and a rising He-atmosphere fraction due to convective mixing.
The paper advocates preserving HST UV spectroscopy through 2035 as essential for statistically significant samples of polluted white dwarf compositions, groundwork for HWO, and synergy with JWST.
citing papers explorer
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Convective Overshoot and Macroscopic Diffusion in Pure-Hydrogen Atmosphere White Dwarfs
3D CO5BOLD simulations show convective overshoot increases the fully mixed mass in DA white dwarfs by up to 2.5 orders of magnitude and shifts the convection onset temperature to 18000-18250 K.
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A Detailed Model Atmosphere Analysis of Cool White Dwarfs in DESI DR1
Model atmosphere fitting of 25,642 cool white dwarfs in DESI DR1 finds no photometric-spectroscopic mass discrepancy for DAs, magnetic DAs at all temperatures, increasing H/He ratios in He-atmosphere stars below ~10,000 K, and a rising He-atmosphere fraction due to convective mixing.
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From Hubble to HWO: Bridging the Frontier of White Dwarf Exoplanet Science
The paper advocates preserving HST UV spectroscopy through 2035 as essential for statistically significant samples of polluted white dwarf compositions, groundwork for HWO, and synergy with JWST.