Formation of Extremely Low-mass White Dwarf Binaries Undergoing Enhanced Angular Momentum Loss

Ziqi Zhao, Zhenwei Li, Zhengwei Liu +6

Extremely low-mass white dwarfs (ELM WDs) are helium (He) WDs with masses below $\sim 0.3M_{\odot }$, mainly formed through binary interaction. ELM WD binaries typically are forme…