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The ATLAS(3D) project - XV. Benchmark for early-type galaxies scaling relations from 260 dynamical models: mass-to-light ratio, dark matter, Fundamental Plane and Mass Plane

Abstract:

We study the volume-limited and nearly mass-selected (stellar mass Mstars ≳ 6 × 109 M⊙) ATLAS3D sample of 260 early-type galaxies (ETGs, ellipticals Es and lenticulars S0s). We construct detailed axisymmetric dynamical models (Jeans Anisotropic MGE), which allow for orbital anisotropy, include a dark matter halo and reproduce in detail both the galaxy images and the high-quality integral-field stellar kinematics out to about 1Re, the projected half-light radius. We derive accurate total mass-...

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Publication status:
Published

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Publisher copy:
10.1093/mnras/stt562

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
432
Issue:
3
Pages:
1709-1741
Publication date:
2013-07-01
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
411824
Language:
English
Keywords:
Pubs id:
pubs:411824
UUID:
uuid:1b608344-aff2-41d5-bb2e-ec20d4b45fa2
Local pid:
pubs:411824
Deposit date:
2013-11-17

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