Simple galaxy models with massive haloes

Details Simple galaxy models with massive haloes Simple galaxy models with massive haloes

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.260..191e&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 260, no. 1, p. 191-201.

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Computation

113

Astronomical Models, Elliptical Galaxies, Galactic Halos, Computational Astrophysics, Dark Matter, Galactic Rotation, Gravitational Effects, Line Spectra

Scientific paper

Binney's logarithmic potential is shown to have a simple distribution function depending on the two classical integrals of binding energy E and angular momentum parallel to the symmetry axis L(z). Taking the distribution function of the stars as an isothermal gives the simplest known axisymmetric galaxy models. At a slight cost in mathematical simplicity, luminous components with anisotropic kinematics in the dark halo can be constructed by modifying the isothermal distribution function. The line profile is given for models with and without rotation.

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