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The ATLAS(3D) project - III. A census of the stellar angular momentum within the effective radius of early-type galaxies: unveiling the distribution of fast and slow rotators

Abstract:

We provide a census of the apparent stellar angular momentum within one effective radius of a volume-limited sample of 260 early-type galaxies (ETGs) in the nearby Universe, using the integral-field spectroscopy obtained in the course of the ATLAS3D project. We exploit the λR parameter (previously used via a constant threshold value of 0.1) to characterize the existence of two families of ETGs: slow rotators which exhibit complex stellar velocity fields and often include stellar kinematically...

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Publication status:
Published

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Authors


Emsellem, E More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Krajnovic, D More by this author
Alatalo, K More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
414
Issue:
2
Pages:
888-912
Publication date:
2011-06-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:bdfdbff3-eb02-4809-8699-6e310972df6a
Source identifiers:
172147
Local pid:
pubs:172147

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