Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.277...53b&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 277, Issue 1, pp. 53-69.
Astronomy and Astrophysics
Astronomy
26
Hydrodynamics, Instabilities, Stars: Wolf-Rayet, Ism: Bubbles
Scientific paper
We present detailed 2D simulations of the evolution of Wolf-Rayet ring nebulae expanding around stars which move through the interstellar medium. Attention is paid to a description of how the circumstellar matter is processed by the previous action of the stellar wind during the red supergiant phase. In particular, the radiative bow shock around the red supergiant star suffers strong dynamical instabilities whose development influences the evolution of the ring nebula. The models are compared with some observed ring nebulae.
Brighenti Fabrizio
D'Ercole Annibale
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