Yellow supergiants as supernova progenitors: an indication of strong mass loss for red supergiants?

  title={Yellow supergiants as supernova progenitors: an indication of strong mass loss for red supergiants?},
  author={Cyril Georgy},
  journal={Astronomy and Astrophysics},
  • C. Georgy
  • Published 29 November 2011
  • Physics
  • Astronomy and Astrophysics
Context. The increasing number of observed supernova events allows for finding the progenitor star even more frequently in archive images. In a few cases, the progenitor star is a yellow supergiant star. The estimated position in the Hertzsprung-Russell diagram of these stars is not compatible with the theoretical tracks of classical single-star models. Aims. According to several authors, the mass-loss rates during the red supergiant phase could be underestimated. We study the impact of an… 

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