| Section | Content relevance to WD 0258+258 | |--------|----------------------------------| | Equation of State | Coulomb liquid in its core — pressure from degenerate electrons | | Atmosphere models | Synthetic spectra matching observed Balmer lines | | Magnetic fields | Upper limits from Zeeman splitting (<1 MG) | | Binarity | Radial velocity curves searching for unresolved M-dwarfs |