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Multitracing anisotropic non-Gaussianity with galaxy shapes

Abstract:

Correlations between intrinsic galaxy shapes on large scales arise due to the effect of the tidal field of the large-scale structure. Anisotropic primordial non-Gaussianity induces a distinct scale-dependent imprint in these tidal alignments on large scales. Motivated by the observational finding that the alignment strength of luminous red galaxies depends on how galaxy shapes are measured, we study the use of two different shape estimators as a multitracer probe of intrinsic alignments. We s...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevD.94.123507

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Name:
Beecroft fellowship
Funding agency for:
Chisari, N
Publisher:
American Physical Society
Journal:
Physical Review D More from this journal
Volume:
94
Issue:
12
Article number:
123507
Publication date:
2016-12-09
Acceptance date:
2016-11-14
DOI:
EISSN:
2470-0029
ISSN:
2470-0010
Pubs id:
pubs:701728
UUID:
uuid:ab33077d-066a-4a93-9da7-b03be7f1b0b9
Local pid:
pubs:701728
Source identifiers:
701728
Deposit date:
2017-10-03

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