Triaxiality in elliptical galaxies

Details Triaxiality in elliptical galaxies Triaxiality in elliptical galaxies

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.193..885b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 193, Dec. 1980, p. 885-894.

Astronomy and Astrophysics

Astronomy

43

Astronomical Models, Elliptical Galaxies, Galactic Rotation, Galactic Structure, Distribution (Property), Flattening, Isophotes, Statistical Analysis

Scientific paper

A simple geometrical model of elliptical galaxies having shells with different axial ratios c/a, b/a has been produced to interpret three fundamental key-features of elliptical galaxies: (1) the distribution of the maximum flattening observed; (2) the percentage of ellipticals showing twisting; and (3) the correlation between maximum twisting and maximum flattening. The model has been compared with observational data for 348 elliptical systems as given by Strom and Strom. It is found that a triaxial ellipsoid with coaxial shells having axial ratios c/a and b/a mutually dependent in a linear way can satisfy the observations.

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