The response density of irregular orbits in barred potentials

Details The response density of irregular orbits in barred potentials The response density of irregular orbits in barred potentials

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.211..283p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 211, Nov. 15, 1984, p. 283-295.

Astronomy and Astrophysics

Astronomy

10

Astronomical Models, Barred Galaxies, Density Distribution, Eccentric Orbits, Dynamic Response, Galactic Structure, Hubble Diagram, Orbital Elements

Scientific paper

Several irregular orbits in a planar bar are followed for up to a Hubble time. Their contribution to the density of the bar is found as well as their evolution on the surface of section. The existence of cantori (partial barriers) in the surface of section is shown and its significance discussed. The trapped orbits along the bar play a very important role in the existence of the bar. They reinforce it so strongly that they may counter-balance the destructive effect of up to 45 per cent of untrapped orbits.

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