On the intrinsic shape of elliptical galaxies

Details On the intrinsic shape of elliptical galaxies On the intrinsic shape of elliptical galaxies

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....82..289b&link_type=abstract

Astronomy and Astrophysics, vol. 82, no. 3, Feb. 1980, p. 289-294. Research supported by the Swiss National Science Foundation.

Astronomy and Astrophysics

Astrophysics

57

Astronomical Models, Elliptical Galaxies, Flatness, Galactic Structure, Distribution Functions, Oblate Spheroids, Statistical Distributions

Scientific paper

Several quite different distributions of intrinsic shapes are successful in explaining the observed distribution of flattenings of elliptical galaxies. Thus, the distribution of apparent flattenings seems to be rather insensitive even to changes of the basic model of intrinsic shape. Any such model favored for observational and dynamical reasons, suggesting ellipticals to be oblate and/or prolate spheroids or generically triaxial ellipsoids is absolutely consistent with the observed distribution of flattenings. The investigation is based on a new sample of 160 elliptical galaxies from the Revised Shapley-Ames Catalog of Galaxies.

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