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EVIDENCE FOR DARK MATTER CONTRACTION AND A SALPETER INITIAL MASS FUNCTION IN A MASSIVE EARLY-TYPE GALAXY

Abstract:

Stars and dark matter account for most of the mass of early-type galaxies, but uncertainties in the stellar population and the dark matter profile make it challenging to distinguish between the two components. Nevertheless, precise observations of stellar and dark matter are extremely valuable for testing the many models of structure formation and evolution. We present a measurement of the stellar mass and inner slope of the dark matter halo of a massive early-type galaxy at z = 0.222. The ga...

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Publication status:
Published

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Publisher copy:
10.1088/0004-637X/752/2/163

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Publisher:
Institute of Physics Publishing
Journal:
ASTROPHYSICAL JOURNAL
Volume:
752
Issue:
2
Pages:
163-163
Publication date:
2012-06-20
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
URN:
uuid:fe17672d-eec0-41c4-9d98-4a69f159f158
Source identifiers:
213547
Local pid:
pubs:213547

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