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The ATLAS(3D) project-VIII. Modelling the formation and evolution of fast and slow rotator early-type galaxies within lambda CDM

Abstract:

We propose a simple model for the origin of fast and slow rotator early-type galaxies (ETG) within the hierarchical Λcold dark matter (ΛCDM) scenario, that is based on the assumption that the mass fraction of stellar discs in ETGs is a proxy for the specific angular momentum expressed via λR. Within our model we reproduce the fraction of fast and slow rotators as a function of magnitude in the ATLAS3D survey, assuming that fast-rotating ETGs have at least 10 per cent of their total stellar ma...

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Publication status:
Published

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Authors


Khochfar, S More by this author
Emsellem, E More by this author
Alatalo, K More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
417
Issue:
2
Pages:
845-862
Publication date:
2011-10-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:636fb2e1-7861-45ed-88b9-449b83a140ba
Source identifiers:
189292
Local pid:
pubs:189292

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