What is the minimum progenitor mass believed to result in a Hypernova?
Answer
Exceeding 30 solar masses
The hypernova classification is reserved for the most extreme stellar deaths, considered an over-luminous subtype of the core-collapse event. The progenitor stars responsible for initiating a hypernova are thought to be the true giants of the stellar population, specifically those born with initial masses significantly greater than thirty solar masses ($> 30 M_{\odot}$). This extreme mass dictates a more catastrophic collapse compared to standard massive stars, leading to an explosion estimated to be ten to one hundred times brighter than a standard supernova. Stars of lesser mass, such as the 14 solar mass star Betelgeuse, are expected to produce only a standard core-collapse supernova.
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