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The flattening and the orbital structure of early-type galaxies and collisionless N-body binary disc mergers

Abstract:

We use oblate axisymmetric dynamical models including dark haloes to determine the orbital structure of intermediate mass to massive early-type galaxies in the Coma galaxy cluster. We find a large variety of orbital compositions. Averaged over all sample galaxies the unordered stellar kinetic energy in the azimuthal and the radial direction are of the same order, but they can differ by up to 40 per cent in individual systems. In contrast, both for rotating and non-rotating galaxies the vertic...

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Publication status:
Published

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Authors


Jesseit, R More by this author
Saglia, RP More by this author
Burkert, A More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
393
Issue:
2
Pages:
641-652
Publication date:
2009-02-21
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:3e68cbc7-ac46-4dc7-b4f7-fd51215b913d
Source identifiers:
21433
Local pid:
pubs:21433

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