Weak Lensing Measurements from the Lyman- alpha Forest

arXiv:2609.36949 · astro-ph.CO · Submitted 2026-09-29 · Read on arXiv

astro-ph.CO

Submitted: 2026-09-29

Updated: 2026-09-29

Comments: 13 pages, 13 figures, to be submitted to PRD

Code: https://github.com/slosar/LyaLenser

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Weak Lensing — 7× in this paper · explained in 2 episodes
• Bispectrum — 6× in this paper · explained in 3 episodes
• Gravitational Lensing — 6× in this paper · explained in 2 episodes
• Trace — 4× in this paper · explained in 2 episodes
• alpha — 3× in this paper · explained in 1 episode
• Alignment — 2× in this paper · explained in 1 episode
• Calibration — 2× in this paper · explained in 7 episodes
• Baryonic Feedback — 1× in this paper · explained in 3 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Matter Power Spectrum — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• Weak Gravitational Lensing
• Cosmology with cosmic shear observations: a review
• Weak Gravitational Lensing of the CMB
• Weak lensing of the Lyman-alpha forest
• Noise Estimates for Measurements of Weak Lensing from the Lyman-alpha Forest
• Reconstructing the Gravitational Lensing Potential from the Lyman-$\alpha$ Forest
• Weak Lensing the non-Linear Ly-alpha Forest
• Forecasting the Detection of Lyman-Alpha Forest Weak Lensing from the Dark Energy Spectroscopic Instrument and Other Future Surveys
• Precision Cosmology from the Lyman-alpha Forest: Power Spectrum and Bispectrum
• The bispectrum of the Lyman-alpha forest at z~2-2.4 from a Large sample of UVES QSO Absorption Spectra (LUQAS)
• Response approach to the squeezed-limit bispectrum: application to the correlation of quasar and Lyman-$\alpha$ forest power spectrum
• The Intrinsic Alignment of Galaxies and its Impact on Weak Gravitational Lensing in an Era of Precision Cosmology
• Planck 2018 results. VI. Cosmological parameters
• Efficient Computation of CMB anisotropies in closed FRW models
• The Construction of Large-scale Structure Catalogs for the Dark Energy Spectroscopic Instrument
• SDSS-III Baryon Oscillation Spectroscopic Survey Data Release 12: galaxy target selection and large scale structure catalogues
• The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters
• The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth
• CMB lensing from Planck PR4 maps
• A unified pseudo-$C_\ell$ framework

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