Shear-kSZ: A New Estimator for the Matter-Electron Power Spectrum from kSZ Tomography and Weak Lensing

arXiv:2607.27149 · astro-ph.CO, astro-ph.GA · Submitted 2026-07-29 · Read on arXiv

Boryana Hadzhiyska

astro-ph.CO, astro-ph.GA

Submitted: 2026-07-29

Comments: 14+10 pages, 11 figures

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

Terminology

• Simons Observatory — 15× in this paper
• Calibration — 13× in this paper · explained in 7 episodes
• Accuracy — 10× in this paper · explained in 1 episode
• Matter Power Spectrum — 9× in this paper · explained in 2 episodes
• Alignment — 7× in this paper · explained in 1 episode
• Trace — 7× in this paper · explained in 2 episodes
• Core — 6× in this paper · explained in 2 episodes
• Baryonic Feedback — 5× in this paper · explained in 3 episodes
• Consistency — 4× in this paper · explained in 3 episodes
• Fidelity — 4× in this paper · explained in 2 episodes
• Weak Lensing — 3× in this paper · explained in 2 episodes
• Clustering — 2× in this paper · explained in 2 episodes
• AGN — 1× in this paper · explained in 1 episode
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Anisotropy — 1× in this paper · explained in 3 episodes
• Aperture — 1× in this paper · explained in 1 episode
• Bispectrum — 1× in this paper · explained in 3 episodes
• Bright Galaxy Survey — 1× in this paper
• Generalization — 1× in this paper · explained in 13 episodes
• Metallicity — 1× in this paper · explained in 3 episodes
• Observatory Legacy Survey of Space and Time — 1× in this paper
• Robustness — 1× in this paper · explained in 5 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• The Cosmic Energy Inventory
• The Baryon Census in a Multiphase Intergalactic Medium: 30% of the Baryons May Still Be Missing
• Observations of the MIssing Baryons in the warm-hot intergalactic medium
• A census of baryons in the Universe from localized fast radio bursts
• Modelling baryonic feedback for survey cosmology
• The effects of galaxy formation on the matter power spectrum: A challenge for precision cosmology
• LSST: from Science Drivers to Reference Design and Anticipated Data Products
• Euclid Definition Study Report
• Astrophysics with the Spatially and Spectrally Resolved Sunyaev-Zeldovich Effects: A Millimetre/Submillimetre Probe of the Warm and Hot Universe
• Evidence of Galaxy Cluster Motions with the Kinematic Sunyaev-Zel'dovich Effect
• Detection of the kinematic Sunyaev-Zel'dovich effect with DES Year 1 and SPT
• Detection of the pairwise kinematic Sunyaev-Zel'dovich effect with BOSS DR11 and the Atacama Cosmology Telescope
• The Atacama Cosmology Telescope: Detection of the Pairwise Kinematic Sunyaev-Zel'dovich Effect with SDSS DR15 Galaxies
• Detection of the Pairwise Kinematic Sunyaev-Zel'dovich Effect and Pairwise Velocity with DESI DR1 Galaxies and ACT DR6 and Planck CMB Data
• Probing cosmic velocities with the pairwise kinematic Sunyaev-Zel'dovich signal in DESI Bright Galaxy Sample DR1 and ACT DR6
• Beyond the Damping Tail: Cross-Correlating the Kinetic Sunyaev-Zel'dovich Effect with Cosmic Shear
• The Kinematic Sunyaev-Zel'dovich Effect with Projected Fields: A Novel Probe of the Baryon Distribution with Planck, WMAP, and WISE Data
• Constraining the Baryon Abundance with the Kinematic Sunyaev-Zel'dovich Effect: Projected-Field Detection Using Planck, WMAP, and unWISE
• Finding the Missing Baryons Using CMB as a Backlight
• KSZ tomography and the bispectrum

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• Angular clustering and bias of photometric quasars in the Kilo-Degree Survey Data Release 4
• A Novel kinetic Sunyaev-Zel'dovich Estimator for Electron-Electron Correlations
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• Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework
• Exploring the Impact of Systematic Bias in Type Ia Supernova Cosmology Across Diverse Dark Energy Parametrizations
• Non-Gaussian Galaxy Stochasticity and the Noise-Field Formulation