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The SWELLS survey. IV. Precision measurements of the stellar and dark matter distributions in a spiral lens galaxy

Abstract:

We construct a fully self-consistent mass model for the lens galaxy J2141 at z=0.14, and use it to improve on previous studies by modelling its gravitational lensing effect, gas rotation curve and stellar kinematics simultaneously. We adopt a very flexible axisymmetric mass model constituted by a generalized NFW dark matter halo and a stellar mass distribution obtained by deprojecting the MGE fit to the high-resolution K'-band LGSAO imaging data of the galaxy, with the (spatially constant) M/...

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Publication status:
Published

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Authors


Barnabè, M More by this author
Dutton, AA More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Brewer, BJ More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
423
Issue:
2
Pages:
1073-1088
Publication date:
2012-01-09
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:2f3cc190-ed19-4a2f-8cb1-bf32ff865964
Source identifiers:
334048
Local pid:
pubs:334048

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