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Dancing in the dark: galactic properties trace spin swings along the cosmic web

Abstract:

A large-scale hydrodynamical cosmological simulation, Horizon-AGN, is used to investigate the alignment between the spin of galaxies and the cosmic filaments above redshift 1.2. The analysis of more than 150 000 galaxies per time step in the redshift range 1.2 < z < 1.8 with morphological diversity shows that the spin of low-mass blue galaxies is preferentially aligned with their neighbouring filaments, while high-mass red galaxies tend to have a perpendicular spin. The reo...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/mnras/stu1227

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
444
Issue:
2
Pages:
1453-1468
Publication date:
2014-08-28
Acceptance date:
2014-06-19
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
448572
Keywords:
Pubs id:
pubs:448572
UUID:
uuid:d8d99e3c-c4dc-444f-aac7-71e48d40c91e
Local pid:
pubs:448572
Deposit date:
2014-06-17

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