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Mass profiles of elliptical galaxies

Abstract:
I apply constant-anisotropy spherical dynamical models to a sample of 18 round ellipticals to look for evidence of dark halos. All 18 lie along a Tully-Fisher relation parallel to that for spirals, but fainter at given upsilon(c) by about 1 mag. By constructing more general, flattened models, I show there is a degeneracy between anisotropy and flattening, and discuss its implications.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Volume:
197
Pages:
205-208
Publication date:
2000-01-01
URN:
uuid:8d572467-6c4c-44a1-8795-7eacdf190162
Source identifiers:
18438
Local pid:
pubs:18438
ISBN:
1-58381-024-2

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