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On the Distribution Function of Elliptical Galaxies

Published online by Cambridge University Press:  04 August 2017

A. Kashlinsky
A. Kashlinsky*
Affiliation:
National Radio Astronomy Observatory and Department of Astronomy, University of Virginia

Abstract

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Distribution functions containing cutoff in energy impose several limitations on systems they describe, e.g., no circular orbits are allowed in the major part of system and spatial boundary is poorly defined. As opposed to these functions, we present here distribution function that describes galaxies of finite extent (i.e., truncated in radius). We discuss properties of systems having this distribution function for spherical and axisymmetric cases and compare their surface brightness, isophotes, and rotation curves with observations of elliptical galaxies. This distribution function can easily be generalized to a triaxial galaxy.

Type
Posters
Information
Symposium - International Astronomical Union , Volume 127: Structure and Dynamics of Elliptical Galaxies , 1987 , pp. 507 - 508
Copyright
Copyright © Reidel 1987 

References

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