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astro-ph.GA2026
Galaxies at z > 10: ΛCDM predicts increased Star Formation Efficiency
Francisco Prada, Peter Behroozi, Tomoaki Ishiyama +4
We show that the rest-frame UV statistics and global properties of galaxies at 7 <= z <= 14 are naturally reproduced within the standard ΛCDM framework when galaxy formation is mod…
astro-ph.CO2026
Inferring Halo Mass and Scale Radius of Galaxy Clusters Using Convolutional Neural Networks and Uchuu-UniverseMachine Catalogs
Hirobumi Tominaga, Asuka Nakamura, Tomoaki Ishiyama +1
We investigate the ability of machine learning to infer the virial mass () and the scale radius () of galaxy clusters from their observables. Using the Uchu…
astro-ph.GA2026★ 1 cited
Back to Normal Again: Possible Destinies of JWST overmassive SMBHs and "Little Red Dots" in the View of Shin-Uchuu Simulation
Haojie Hu, Hiroto Yanagisawa, Moka Nishigaki +3
The James Webb Space Telescope (JWST) has enabled the discovery of hundreds of supermassive black holes (SMBHs) at redshifts . A non-negligible fraction of these SMBH…