Circumstellar material ejected violently by a massive star immediately before its death
Abstract
Given the high mass-loss rate and relatively large wind velocity presented here, together with the pre-explosion observations made about two decades ago, the progenitor of SN 2023ixf could be a short-lived yellow hypergiant that evolved from a red supergiant shortly before the explosion.</p><p> <a href="https://www.sciencedirect.com//science/article/pii/S209592732300631X/pdfft?pid=1-s2.0-S209592732300631X-main.pdf">View PDF</a>