Galactic models with variable spiral structure

Details Galactic models with variable spiral structure Galactic models with variable spiral structure

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.182..331j&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 182, Feb. 1978, p. 331-344.

Astronomy and Astrophysics

Astronomy

44

Astronomical Models, Galactic Structure, Spiral Galaxies, Star Distribution, Stellar Evolution, Barred Galaxies, Computerized Simulation, Population Theory

Scientific paper

A series of three-dimensional computer simulations of disk galaxies have been run in which the self-consistent potential of the disk stars is supplemented by that arising from a small uniform Population II sphere. The models show variable spiral structure, which is more pronounced for thin disks. In addition, the thin disks form weak bars. In one case variable spiral structure is associated with this bar. The relaxed disks are cool outside resonance regions.

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