# Can the magnetic field in the Orion arm inhibit the growth of instabilities in the bow shock of Betelgeuse

@article{Marle2014CanTM,
title={Can the magnetic field in the Orion arm inhibit the growth of instabilities in the bow shock of Betelgeuse},
author={A. J. Marle and L. Decin and Z. Meliani},
journal={Astronomy and Astrophysics},
year={2014},
volume={561}
}
• Published 2014
• Physics
• Astronomy and Astrophysics
Many evolved stars travel through space at supersonic velocities, which leads to the formation of bow shocks ahead of the star where the stellar wind collides with the interstellar medium (ISM). Herschel observations of the bow shock of $\alpha$-Orionis show that the shock is almost free of instabilities, despite being, at least in theory, subject to both Kelvin-Helmholtz and Rayleigh-Taylor instabilities. A possible explanation for the lack of instabilities lies in the presence of an… Expand

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