Dynamical models for slowly rotating stellar systems

Details Dynamical models for slowly rotating stellar systems Dynamical models for slowly rotating stellar systems

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...166..177d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 166, no. 1-2, Sept. 1986, p. 177-184.

Astronomy and Astrophysics

Astrophysics

13

Astronomical Models, Dynamic Models, Globular Clusters, Stellar Rotation, Stellar Systems, Galactic Rotation, Radial Velocity, Velocity Distribution

Scientific paper

Two dynamical models for galaxies are adapted to the case of slowly rotating spheroidal stellar systems. The projected mass density, velocity dispersion and rotation velocity are derived for a cluster seen edge-on. Isotropic and anisotropic velocity distributions are considered. The models are applied to kinematical observations of the globular clusters M2, M3, 47 Tucanae, and ω Centauri. The three clusters with appreciable rotation are flattened along their kinematical minor axis.

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