Observational signatures of the surviving donor star in the double-detonation model of Type Ia supernovae

@article{Liu2021ObservationalSO,
  title={Observational signatures of the surviving donor star in the double-detonation model of Type Ia supernovae},
  author={Zheng-Wei Liu and Friedrich K. Roepke and Yaotian Zeng and Alexander Heger},
  journal={Astronomy \& Astrophysics},
  year={2021}
}
  • Zheng-Wei Liu, F. K. Roepke, +1 author A. Heger
  • Published 21 September 2021
  • Physics
  • Astronomy & Astrophysics
The sub-Chandrasekhar mass double-detonation (DDet) scenario is a contemporary model for Type Ia supernovae (SNe Ia). The donor star in the DDet scenario is expected to survive the explosion and to be ejected at the high orbital velocity of a compact binary system. For the first time, we consistently perform three-dimensional (3D) hydrodynamical simulations of the interaction of SN ejecta with a helium (He) star companion within the DDet scenario. We map the outcomes of 3D impact simulations… Expand

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