Metal and dust evolution in ALMA REBELS galaxies: insights for future JWST observations

Understand

ALMA observations revealed the presence of significant amounts of dust in the first Gyr of Cosmic time.

• However, the metal and dust buildup picture remains very uncertain due to the lack of constraints on metallicity.
• JWST has started to reveal the metal content of high-redshift targets, which may lead to firmer constraints on high-redshift dusty galaxies evolution.
• In this work, we use detailed chemical and dust evolution models to explore the evolution of galaxies within the ALMA REBELS survey, testing different metallicity scenarios that could be inferred from JWST observations.