Polygonal structure of spiral galaxies

Details Polygonal structure of spiral galaxies Polygonal structure of spiral galaxies

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012arep...56....9f&link_type=abstract

Astronomy Reports, Volume 56, Issue 1, pp.9-15

Astronomy and Astrophysics

Astronomy

Scientific paper

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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