Dynamical Modeling of Elliptical Galaxies - Part Two - Numerical Prolate Models

Details Dynamical Modeling of Elliptical Galaxies - Part Two - Numerical Prolate Models Dynamical Modeling of Elliptical Galaxies - Part Two - Numerical Prolate Models

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...243..121l&link_type=abstract

Astrophysical Journal, Vol.243, P. 121, 1981

Astronomy and Astrophysics

Astrophysics

13

Scientific paper

The analytical solutions of Paper I are generalized using the self-consistent field method. These prolate models are constructed using only two integrals of motion, the energy (E) and the angular momentum about the axis of symmetry, (LZ). They are the first models with flattening greater than E4 which possess elliptical isophotes and realistic density profiles. The singularity in the surface brightness which characterized the models of Paper I has been removed by smoothing the extreme suppression of LZ. The new models (like those of Paper I) still show a sharp rise in the velocity dispersion at the center. This feature is due to the strongly anisotropic velocity dispersions, rather than the existence of a supermassive object.

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