Galaxy cluster rotation revealed in the MACSIS simulations with the kinetic Sunyaev–Zeldovich effect

E Altamura, ST Kay, J Chluba… - Monthly Notices of the …, 2023 - academic.oup.com
ABSTRACT The kinetic Sunyaev–Zeldovich (kSZ) effect has now become a clear target for
ongoing and future studies of the cosmic microwave background (CMB) and cosmology …

Detection of Pairwise Kinetic Sunyaev–Zel'dovich Effect with DESI Galaxy Groups and Planck in Fourier Space

S Li, Y Zheng, Z Chen, H Xu… - The Astrophysical Journal …, 2024 - iopscience.iop.org
We report a∼ 5.2σ detection of the kinetic Sunyaev–Zel'dovich (kSZ) effect in Fourier space,
by combining the DESI galaxy groups and the Planck data. We use the density-weighted …

Breaking the τTf degeneracy of the kinetic Sunyaev–Zel'dovich cosmology in redshift space

L Xiao, Y Zheng - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
The 'optical depth–linear growth rate'(τT− f) degeneracy is a long-standing problem in the
kinetic Sunyaev–Zel'dovich (kSZ) cosmology. It can be broken in redshift space, where the …

Spin speed correlations and the evolution of galaxy-halo systems

MJ Sheng, L Zhu, HR Yu, HC Ma, HK Li, P Wang… - Physical Review D, 2024 - APS
Galaxy angular momenta (spins) contain valuable cosmological information, complementing
their positions and velocities. The baryonic spin direction of galaxies has been probed as a …

Building models of the Universe with hydrodynamic simulations

E Altamura - arXiv preprint arXiv:2312.11596, 2023 - arxiv.org
Hydrodynamic simulations have become irreplaceable in modern cosmology for exploring
complex systems and making predictions to steer future observations. In Chapter 1, we …

Detection of pairwise kSZ effect with DESI galaxy groups and Planck in Fourier space

S Li, Y Zheng, Z Chen, H Xu, X Yang - arXiv preprint arXiv:2401.03507, 2024 - arxiv.org
We report a $\sim5. 2\sigma $ detection of the kinetic Sunyaev-Zel'dovich (kSZ) effect in
Fourier space, by combining the DESI galaxy groups and the Planck data. We use the …