The double white dwarf merger model for the progenitors of SN 2021yfj-like events

Dongdong Liu, Chengyuan Wu, Takashi J. Moriya +4

Context. Recently, a new class of supernovae with prominent narrow emission features of Si, S and Ar has been reported, i.e. SN 2021yfj-like events (SNe Ien). Their progenitor orig…