An extremely hot white dwarf with a rapidly rotating K-type subgiant companion: UCAC2 46706450 Klaus Werner, Nicole Reindl, Lisa Löbling, Ingrid Pelisoli, Veronika Schaffenroth, Alberto Rebassa-Mansergas, Puji Irawati and Juanjuan Ren A&A, 642 (2020) A228 Published online: 23 October 2020 DOI: 10.1051/0004-6361/202038574