The first dusty galaxies across $6\lesssim z\lesssim 14$: Blue monsters, red monsters, and the bimodality of dust content in early galaxies

Sergio Martínez-González, Casiana Muñoz-Tuñón, Santiago Jiménez

JWST has revealed galaxies at $z>10$ with extremely blue UV-continuum slopes approaching ${\beta }_{\mathrm{UV}}\lesssim -2.4$, and low inferred dust contents. At similar redshifts, JWST and AL…