A double-nucleus model for a barred spiral

Details A double-nucleus model for a barred spiral A double-nucleus model for a barred spiral

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980azh....57..926n&link_type=abstract

(Astronomicheskii Zhurnal, vol. 57, Sept.-Oct. 1980, p. 926-935.) Soviet Astronomy, vol. 24, Sept.-Oct. 1980, p. 531-536. Trans

Astronomy and Astrophysics

Astronomy

Astronomical Models, Barred Galaxies, Equations Of Motion, Galactic Nuclei, Halos, Particle Motion, Dynamic Models, Galactic Evolution, Galactic Rotation, Gravitational Effects, Hill Method, Lagrangian Equilibrium Points, Mathematical Models

Scientific paper

A stable self-consistent mathematical model is developed for a barred spiral galaxy. The model comprises an extended spherical halo, a bar-shaped cloud of massless particles, and two point nuclei situated on the major axis of the bar. A possible evolutionary scheme for barred spirals is briefly outlined. It is shown that the nuclei travel in a circular orbit that is concentric with the halo and that the motion of the particles in the bar-shaped cloud is stable in the sense of Hill.

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