Journal article
Galaxy-halo alignments in the Horizon-AGN cosmological hydrodynamical simulation
- Abstract:
- Intrinsic alignments of galaxies are a significant astrophysical systematic affecting cosmological constraints from weak gravitational lensing. Obtaining numerical predictions from hydrodynamical simulations of expected survey volumes is expensive, and a cheaper alternative relies on populating large dark matter-only simulations with accurate models of alignments calibrated on smaller hydrodynamical runs. This requires connecting the shapes and orientations of galaxies to those of dark matter halos and to the large-scale structure. In this paper, we characterise galaxy-halo alignments in the Horizon-AGN cosmological hydrodynamical simulation. We compare the shapes and orientations of galaxies in the redshift range $0
- Publication status:
- Submitted
- Peer review status:
- Not peer reviewed
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Authors
+ Science and Technology Facilities Council
More from this funder
- Funding agency for:
- Beckmann, R
- Miller, L
- Grant:
- ST/N000919/1
- Publisher:
- Oxford University Press
- Journal:
- Monthly Notices of the Royal Astronomical Society More from this journal
- Publication date:
- 2017-02-01
- Keywords:
- Pubs id:
-
pubs:681468
- UUID:
-
uuid:c7ca3576-d5ce-4b85-b3bc-43e08ff534a9
- Local pid:
-
pubs:681468
- Source identifiers:
-
681468
- Deposit date:
-
2017-02-28
Terms of use
- Copyright date:
- 2017
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