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Shock structures in stellar winds resulting from orbital motions of the star

  • Jorge Cantó (a1), Alejandro Raga (a1), Gloria Koenigsberger (a1) and Edmundo Moreno (a1)

Abstract

We study the problem of a wind ejected from a star which orbits around a (wind-less) companion star. The orbital motion induces the formation of a spiral shock structure in the wind. An analytic formulation of the problem allows us to obtain the distance from the star at which the shock waves appear, and also the locus of the spiral, two-shock structure (i.e., the working surface). The full, three-dimensional structure of the working surface is found to have a spiral intersection with the orbital plane, and a cylindrical “hole” around the polar axis.

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Copyright

References

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Cantó, J., Raga, A.C., D'Alessio, P. 1999, MNRAS submitted.

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