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Stellar populations in KDCs of Sa galaxies

Abstract:

We present integral-field observations of kinematically decoupled components (KDCs) in a sample of 24 Sa galaxies part of the SAURON Survey. We show how the V/ maps can be used to highlight the presence of the KDC and investigate their stellar populations (i.e. age) to understand their origin (i.e. secular vs hierarchical scenarios). We find that KDCs can be long-lived and are typically well aligned with the galaxies kinematical major axis, supporting mounting evidence that secular evolution ...

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Publisher copy:
10.1017/S174392130700258X

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Journal:
Proceedings of the International Astronomical Union
Volume:
2
Issue:
S241
Pages:
470-474
Publication date:
2006-12-05
DOI:
EISSN:
1743-9221
ISSN:
1743-9213
URN:
uuid:b164466a-3f09-4ef3-a1c3-f5f75e4ae318
Source identifiers:
189654
Local pid:
pubs:189654

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