A WC/WO star exploding within an expanding carbon–oxygen–neon nebula

Nature, Published online: 12 January 2022; doi:10.1038/s41586-021-04155-1

Observations of the supernova SN 2019hgp, identified about a day after its explosion, show that it occurred within a nebula of carbon, oxygen and neon, and was probably the explosion of a massive WC/WO star.