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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
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
XVTH IAP MEETING DYNAMICS OF GALAXIES: FROM THE EARLY UNIVERSE TO THE PRESENT
Volume:
197
Pages:
205-208
Publication date:
2000-01-01
Event title:
XVth IAP Meeting on Dynamics of Galaxies - From the Early Universe to the Present
Source identifiers:
18438
ISBN:
1583810242
Pubs id:
pubs:18438
UUID:
uuid:8d572467-6c4c-44a1-8795-7eacdf190162
Local pid:
pubs:18438
Deposit date:
2012-12-19

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