Lecture 5: Introduction to stellar dynamics. I

Virial theorem:

Binney and Tremaine, 7.2.1 (new) 8.1.1 (old)

Einstein's 1921 paper on the application of the virial theorem to star clusters is here

Zwicky's original paper on the application of the virial theorem to the Coma cluster of galaxies
is in Helvetica Physica Acta 6, 110 (1933) or here (in German)

A slightly later but independent analysis that reached the same conclusion for the Virgo cluster
of galaxies is Smith (1936)

Relaxation:

BT, 1.2 (new) 4.0 (old).

This provides an approximate description of the relaxation process. A much more detailed discussion
is given in Chapter 7 (new) or 8 (old).

Potentials of spherical systems:

BT, 2.1 and 2.2 (new); 2.0 and 2.1 (old)

The Hernquist model was introduced by Hernquist (1990).

The Jaffe model was introduced by Jaffe (1983).

The Jaffe and Hernquist models are special cases of a one-parameter family of models
described by Dehnen (1993) and Tremaine et al. (1994).

The NFW model was introduced by Navarro, Frenk & White (1997)
as a model for the density distribution in dark halos.
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