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1 results

  • 11 - Luminous Blue Variables: Their Formation and Instability in the Context of Binary Interactions

  • Edited by Giacomo Beccari, European Southern Observatory, Garching, Henri M. J. Boffin, European Southern Observatory, Garching
  • Book:
    The Impact of Binary Stars on Stellar Evolution
    Published online:
    05 April 2019
    Print publication:
    18 April 2019, pp 153-166

  • Summary

    Mass loss in evolved massive stars is one of the outstanding questions in stellar evolution theory. During the Luminous Blue Variable (LBV) phase, stars can lose several solar masses during so-called S Doradus outbursts and giant eruptions. There is no established physical mechanism yet to explain this phenomenon, but numerous hypotheses have been proposed. In general, the evolution of the majority of massive stars is affected by binary interactions. It should therefore be considered that LBVs could be formed through binary channels or that the LBV instability itself may be triggered or assisted by a close companion.