An analytical model for spherical galaxies and bulges

Details An analytical model for spherical galaxies and bulges An analytical model for spherical galaxies and bulges

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...356..359h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 356, June 20, 1990, p. 359-364.

Statistics

Computation

1213

Computational Astrophysics, Elliptical Galaxies, Galactic Bulge, Galactic Structure, Astronomical Models, Astronomical Photometry, Brightness Distribution, Distribution Functions

Scientific paper

A potential-density pair which closely approximates the de Vaucouleurs (1948) R exp 1/4 law for elliptical galaxies is presented. It is shown that the intrinsic properties and projected distributions of this model can be evaluated analytically. In particular, the distribution function, density of states, and projected surface brightness and velocity dispersion are expressible in terms of elementary functions.

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