#cosmic shear
topiccosmic shear
3 papers · 1 filter
astro-ph.CO2026
Analytical covariances for catalogue-based pseudo-s
Kevin Wolz, Elyas Farah, Robert Reischke +2
The paper presents a method to analytically compute the Gaussian (disconnected) covariance of angular power spectra estimated directly from discrete source catalogues, accounting f…
astro-ph.CO2026
The Dark Energy Camera All Data Everywhere cosmic shear project V: Constraints on cosmology and astrophysics from 270 million galaxies across 13,000 deg of the sky
D. Anbajagane, C. Chang, A. Drlica-Wagner +78
The paper presents cosmological and astrophysical constraints derived from cosmic shear measurements of 270 million galaxies covering 13,000 deg², combining data from the DECADE pr…
astro-ph.CO2026
Probing the Baryon Distribution with Fast Radio Bursts
Manisha Caleb, Jéferson A. S. Fortunato, Steffen Hagstotz +12
The paper investigates how fast radio bursts observed with the Square Kilometre Array can be used to map the distribution of baryonic matter from cosmological to galactic scales, b…