Beyond linear galaxy alignments

Galaxy intrinsic alignments (IA) are a critical uncertainty for current and future weak lensing measurements. We describe a perturbative expansion of IA, analogous to the treatment of galaxy biasing. From an astrophysical perspective, this model includes the expected large-scale alignment mechanisms...

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Bibliographic Details
Published in:Physical review. D 2019-11, Vol.100 (10), p.1, Article 103506
Main Authors: Blazek, Jonathan A., MacCrann, Niall, Troxel, M. A., Fang, Xiao
Format: Article
Language:English
Subjects:
Alignment
Galactic rotation
Galaxies
Mathematical models
Parameters
Photometry
Red shift
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