Effects of 22Ne sedimentation and metallicity on the local 40 pc white dwarf luminosity function Jordi Tononi, Santiago Torres, Enrique García-Berro, María E. Camisassa, Leandro G. Althaus and Alberto Rebassa-Mansergas A&A, 628 (2019) A52 Published online: 06 August 2019 DOI: 10.1051/0004-6361/201834267