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Polygonal structure of spiral galaxies

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Abstract

We have carried out numerical simulations of hydrodynamical processes occurring in the disks of spiral galaxies. The initial state of the disk is an equilibrium stellar-gaseous configuration. The spherical component is described by a standard analytical model for the gravitational potential. The behavior of the modeled disk in the presence of an external perturbation is analyzed. The results of numerical simulations of stellar-gaseous galactic disks aimed at studying the formation of polygonal structures in spiral galaxies are presented. The possible influence of spur-like formations on the appearance of polygonal structure is studied.

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Authors and Affiliations

  1. Moscow, Russia

    E. A. Filistov

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  1. E. A. Filistov
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Correspondence to E. A. Filistov.

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Original Russian Text © E.A. Filistov, 2012, published in Astronomicheskii Zhurnal, 2012, Vol. 89, No. 1, pp. 12–18.

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Filistov, E.A. Polygonal structure of spiral galaxies. Astron. Rep. 56, 9–15 (2012). https://doi.org/10.1134/S1063772912010027

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