The Disappearance of the Red Supergiant Progenitor of Supernova 2008bk
Seppo Mattila, Stephen Smartt, Justyn Maund, Stefano Benetti, Mattias, Ergon
TL;DR
This paper confirms that the progenitor of supernova SN 2008bk was a red supergiant star, providing direct observational evidence of stellar death for such massive stars.
Contribution
It provides conclusive observational evidence linking a red supergiant star to its supernova explosion, validating stellar evolution models.
Findings
Progenitor star of SN 2008bk has disappeared.
Confirmed the progenitor was a red supergiant.
Supports models of massive star evolution leading to supernovae.
Abstract
Massive stars end their lives in spectacular supernova explosions. Identifying the progenitor star is a test of stellar evolution and explosion models. Here we show that the progenitor star of the supernova SN 2008bk has now disappeared, which provides conclusive evidence that this was the death of a red supergiant star.
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Taxonomy
TopicsGamma-ray bursts and supernovae · Stellar, planetary, and galactic studies · Astronomy and Astrophysical Research