Magnification bias estimators for realistic surveys: an application to the BOSS survey

L Wenzl, SF Chen, R Bean - Monthly Notices of the Royal …, 2024 - academic.oup.com
In addition to the intrinsic clustering of galaxies themselves, the spatial distribution of
galaxies observed in surveys is modulated by the presence of weak lensing due to matter in …

Cosmological constraint precision of photometric and spectroscopic multi-probe surveys of China Space Station Telescope (CSST)

H Miao, Y Gong, X Chen, Z Huang… - Monthly Notices of the …, 2023 - academic.oup.com
As a Stage IV space-based telescope, the China Space Station Telescope (CSST) can
perform photometric and spectroscopic surveys simultaneously to explore the Universe …

Detection and estimation of the cosmic dipole with the einstein telescope and cosmic explorer

S Mastrogiovanni, C Bonvin, G Cusin… - Monthly Notices of the …, 2023 - academic.oup.com
One of the open issues of the standard cosmological model is the value of the cosmic dipole
measured from the Cosmic Microwave Background (CMB), as well as from the number count …

Euclid preparation-XXXVI. Modelling the weak lensing angular power spectrum

AC Deshpande, T Kitching, A Hall, ML Brown… - Astronomy & …, 2024 - aanda.org
This work considers which higher order modeling effects on the cosmic shear angular power
spectra must be taken into account for Euclid. We identified the relevant terms and quantified …

Disentangling modified gravity from a dark force with gravitational redshift

S Castello, Z Wang, L Dam, C Bonvin, L Pogosian - Physical Review D, 2024 - APS
The standard approach to test for deviations from general relativity on cosmological scales is
to combine measurements of the growth rate of structure with gravitational lensing. In this …

Constraining gravity with a new precision estimator using Planck SDSS BOSS data

L Wenzl, R Bean, SF Chen, GS Farren… - Physical Review D, 2024 - APS
The EG statistic is a discriminating probe of gravity developed to test the prediction of
general relativity (GR) for the relation between gravitational potential and clustering on the …

On cosmological bias due to the magnification of shear and position samples in modern weak lensing analyses

CAJ Duncan, J Harnois-Déraps, L Miller… - Monthly Notices of the …, 2022 - academic.oup.com
The magnification of galaxies in modern galaxy surveys induces additional correlations in
the cosmic shear, galaxy–galaxy lensing, and clustering observables used in modern …

Combining gravitational lensing and gravitational redshift to measure the anisotropic stress with future galaxy surveys

I Tutusaus, D Sobral Blanco, C Bonvin - Physical Review D, 2023 - APS
Galaxy surveys provide one of the best ways to constrain the theory of gravity at
cosmological scales. They can be used to constrain the two gravitational potentials …

Momentum transfer in the dark sector and lensing convergence in upcoming galaxy surveys

W Cardona, D Figueruelo - Journal of Cosmology and …, 2022 - iopscience.iop.org
We investigated a cosmological model that allows a momentum transfer between dark
matter and dark energy. The interaction in the dark sector mainly affects the behaviour of …

The halo bias for number counts on the light cone from relativistic N-body simulations

F Lepori, S Schulz, J Adamek… - Journal of Cosmology and …, 2023 - iopscience.iop.org
We present the halo number counts and its two-point statistics, the observable angular
power spectrum, extracted for the first time from relativistic N-body simulations. The halo …