Explosions triggered by violent binary–star collisions: application to Eta Carinae and other eruptive transients

@article{Smith2010ExplosionsTB,
  title={Explosions triggered by violent binary–star collisions: application to Eta Carinae and other eruptive transients},
  author={Nathan Smith},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2010},
  volume={415},
  pages={2020-2024}
}
  • N. Smith
  • Published 19 October 2010
  • Physics, Geology
  • Monthly Notices of the Royal Astronomical Society
This paper discusses a scenario where a violent periastron collision of stars in an eccentric binary system induces an eruption or explosion seen as a brief transient source, attributed to luminous blue variables (LBVs), supernova (SN) impostors or other transients. The key ingredient is that an evolved primary increases its photospheric radius on relatively short (year to decade) time-scales, to a point where the radius is comparable to or larger than the periastron separation in an eccentric… 

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