3D simulations of Betelgeuse’s bow shock

  title={3D simulations of Betelgeuse’s bow shock},
  author={Shazrene Mohamed and Jonathan Mackey and Norbert Langer},
  journal={Astronomy and Astrophysics},
Betelgeuse, the bright, cool red supergiant in Orion, is moving supersonically relative to the local interstellar medium. The star emits a powerful stellar wind that collides with this medium, forming a cometary structure, a bow shock, pointing in the direction of motion. We present the first 3D hydrodynamic simulations of the formation and evolution of Betelgeuse’s bow shock. The models include realistic low-temperature cooling and cover a range of plausible interstellar medium densities of 0… 
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