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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 SDSSJ2141 at redshift 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 Navarro-Frenk-White (NFW) dark matter halo and a stellar mass distribution obtained by deprojecting the multi-Gaussian expansion fit to the high-resolution K'-band laser guide ...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
423
Issue:
2
Pages:
1073-1088
Publication date:
2012-06-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:1c612041-5b42-48c8-8b08-30981f6fe345
Source identifiers:
340257
Local pid:
pubs:340257

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