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astro-ph.CO2025
CHEX-MATE: The Impact of Triaxiality and Orientation on Planck SZ Cluster Selection and Weak Lensing Mass Measurements
H. Saxena, J. Sayers, A. Gavidia +17
Galaxy cluster abundance measurements are a valuable tool for constraining cosmological parameters like the mass density () and density fluctuation amplitude (). Wide a…
astro-ph.CO2025
Cosmology and Astrophysics with the Diffuse eRASS1 X-ray Angular Power Spectrum
Erwin T. Lau, Ãkos Bogdán, Daisuke Nagai +2
The recent tension in the value of the cosmological parameter , which represents the amplitude of the matter density fluctuations of the universe,…
astro-ph.CO2025
Baryon Pasting the Uchuu Lightcone Simulation
Erwin T. Lau, Daisuke Nagai, Arya Farahi +4
We present the Baryon Pasted (BP) X-ray and thermal Sunyaev-Zel'dovich (tSZ) maps derived from the half-sky Uchuu Lightcone simulation. These BP-Uchuu maps are constructed using mo…