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Density wave-star interaction in the theory of spiral galaxies

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Abstract

The dispersion relation has been derived for density waves propagating at an arbitrary angle. The analysis has shown the existence of a resonance which for a two-arm galaxy can be stable, neutral or unstable as\(\omega /2\Omega \tfrac{< }{ > }2\), respectively.

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Authors and Affiliations

  1. Dept. of Astronomy, University of Patras, Greece

    E. Evangelidis

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  1. E. Evangelidis
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Evangelidis, E. Density wave-star interaction in the theory of spiral galaxies. Astrophys Space Sci 46, 309–319 (1977). https://doi.org/10.1007/BF00644378

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  • DOI: https://doi.org/10.1007/BF00644378

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