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Kinematic properties of double-barred galaxies: Simulations versus integral-field observations

Abstract:

Using high-resolution N-body simulations, we recently reported that a dynamically cool inner disk embedded in a hotter outer disk can naturally generate a steady double-barred (S2B) structure. Here we study the kinematics of these S2B simulations, and compare them to integral-field observations from ATLAS3D and SAURON. We show that S2B galaxies exhibit several distinct kinematic features, namely: (1) significantly distorted isovelocity contours at the transition region between the two bars, (...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.3847/0004-637X/828/1/14

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Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Funding agency for:
Cappellari, M
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Grant:
Newton Advanced Fellowship
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Publisher:
Institute of Physics Publisher's website
Journal:
Astrophysical Journal Journal website
Volume:
828
Issue:
1
Publication date:
2016-08-05
Acceptance date:
2016-06-24
DOI:
ISSN:
0004-637X and 1538-4357
Pubs id:
pubs:646511
URN:
uri:c456774e-a223-4902-b5e9-e9c2546ba7e1
UUID:
uuid:c456774e-a223-4902-b5e9-e9c2546ba7e1
Local pid:
pubs:646511

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