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Henry S. Grasshorn

As seen in: arXiv, Caltech
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Articles by Henry S. Grasshorn

Large-scale modeling of the observed power spectrum multipoles

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By Henry S. Grasshorn
| Caltech
Published August 3, 2026 | Version Published Journal Article Metadata-only Current and upcoming large-scale structure surveys are pushing toward increasingly wide angular coverage, where wide-angle effects—arising from the varying line of sight across the curved sky—become critical for accurate modeling of the three-dimensional galaxy power spectrum.
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Astrophysics > Cosmology and Nongalactic Astrophysics

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By Cheshire IV, Henry S. Grasshorn
| arXiv
[Submitted on 11 May 2026 ( v1 ), last revised 25 Sep 2026 (this version, v2)] Title:Demonstrating the Use of the Spherical Fourier Bessel Basis for Large Scale Clustering Systematics Discovery and Mitigation with eBOSS View a PDF of the paper titled Demonstrating the Use of the Spherical Fourier Bessel Basis for Large Scale Clustering Systematics Discovery and Mitigation with eBOSS, by Sean Bruton and 4 other authors View PDF HTML (experimental) Abstract:The spherical Fourier-Bessel (SFB)...
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