Modelling Kinematics and Dark Matter: The Halos of Elliptical Galaxies

Abstract

This review is focussed on the outer halos of elliptical galaxies. Its emphasis is on (i) planetary nebulae as test particles to trace the stellar kinematics at large radii, (ii) the observed angular momentum in elliptical galaxy halos and its theoretical relevance, (iii) dynamical modelling of stellar-kinematic data, and (iv) a discussion of the evidence for dark matter halos in ellipticals from a wide range of measurements.

Invited Review, 13 pages, 2 figures, to appear in Planetary Nebulae beyond the Milky Way, ESO Astrophysics Symposia, eds. Stanghellini, L., Walsh, J. R., Douglas, N. G

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