Bar-driven spiral structure

Details Bar-driven spiral structure Bar-driven spiral structure

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....88..184a&link_type=abstract

Astronomy and Astrophysics, vol. 88, no. 1-2, Aug. 1980, p. 184-193.

Astronomy and Astrophysics

Astrophysics

24

Barred Galaxies, Galactic Rotation, Galactic Structure, Resonance, Stellar Motions, Angular Velocity, Dynamic Response, Gas Density, Gravitational Fields, Harmonics, Interstellar Gas, Prolate Spheroids, Star Distribution

Scientific paper

The gaseous and stellar spirals driven by a growing, symmetric and directly rotating bar in a disk with no inner Lindblad resonance are studied. The self-potential of the spirals is taken into account and that of the stars is found to be particularly important in determining the form of the arms. The response was never found to be bar-like between corotation and outer Lindblad resonance. The form of the spirals as a function of the disk and bar parameters are discussed.

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