SN 2023zaw: an ultra-stripped, nickel-poor supernova from a low-mass progenitor

Kaustav K. Das, Christoffer Fremling, Mansi M. Kasliwal +34

We present SN 2023zaw $-$ a sub-luminous (${\mathrm{M}}_{\mathrm{r}}=-16.7$ mag) and rapidly-evolving supernova (${\mathrm{t}}_{1/2,\mathrm{r}}=4.9$ days), with the lowest nickel mass ($\approx 0.002$…