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Journal article

Galaxy merger histories and the role of merging in driving star formation at z > 1

Abstract:

We use Horizon-AGN, a hydrodynamical cosmological simulation, to explore the role of mergers in the evolution of massive (M* > 1010 M) galaxies around the epoch of peak cosmic star formation (1 < z < 4). The fraction of massive galaxies in major mergers (mass ratio R < 4: 1) is around 3 per cent, a factor of ∼2.5 lower than minor mergers (4: 1 < R < 10: 1) at these epochs, with no trend with redshift. ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Version of record

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Publisher copy:
10.1093/mnras/stv1500

Authors


Kaviraj, S More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
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Publisher:
Oxford University Press (OUP) Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
452
Issue:
3
Pages:
2845-2850
Publication date:
2015-07-28
Acceptance date:
2015-07-06
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:bde2a97c-ad0b-4e13-bdc9-e4695461b9ae
Source identifiers:
490926
Local pid:
pubs:490926

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