Supernova Nebular Spectroscopy Suggests a Hybrid Envelope-Stripping Mechanism for Massive Stars

Qiliang Fang, Keiichi Maeda, Hanindyo Kuncarayakti +2

When nuclear fuel in the core of a massive star with a zero-age main-sequence mass $M_{\mathrm{ZAMS}}\gtrsim 8M_{\odot }$ is exhausted, the central part of the iron or magnesium core coll…