On the Progenitors of Core-Collapse Supernovae

Details On the Progenitors of Core-Collapse Supernovae On the Progenitors of Core-Collapse Supernovae

2010-10-31

arxiv.org/abs/1011.0203v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

7 Pages, invited review accepted for publication by Astrophysics and Space Science (special HEDLA 2010 issue)

Scientific paper

Theory holds that a star born with an initial mass between about 8 and 140 times the mass of the Sun will end its life through the catastrophic gravitational collapse of its iron core to a neutron star or black hole. This core collapse process is thought to usually be accompanied by the ejection of the star's envelope as a supernova. This established theory is now being tested observationally, with over three dozen core-collapse supernovae having had the properties of their progenitor stars directly measured through the examination of high-resolution images taken prior to the explosion. Here I review what has been learned from these studies and briefly examine the potential impact on stellar evolution theory, the existence of "failed supernovae", and our understanding of the core-collapse explosion mechanism.

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