Probing Halos with PNe: Mass and Angular Momentum in Early-Type Galaxies

Details Probing Halos with PNe: Mass and Angular Momentum in Early-Type Galaxies Probing Halos with PNe: Mass and Angular Momentum in Early-Type Galaxies

2004-11-30

arxiv.org/abs/astro-ph/0411797v1

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figs, to appear in Proc. ESO Workshop, Planetary Nebulae Beyond the Milky Way (19-21 May 2004), eds. L. Stanghellin

Scientific paper

We present an observational survey program using planetary nebulae, globular
clusters, and X-ray emission to probe the halos of early-type galaxies. We
review evidence for scanty dark matter halos around ordinary elliptical
galaxies, and discuss the possible implications. We also present measurements
of rotation in the halos.

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