Formation of intermediate-mass black holes in young massive clusters detected with JWST: analytic mass estimates

Viola Bocchi, Matías Liempi, Dominik R. G. Schleicher

The James Webb Space Telescope (JWST) has revealed a population of dense stellar systems at high redshift, including the "Cosmic Gems" arc ($z\sim 10.2$) and the "Firefly Sparkle"…