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We investigate the evolution of dust content in galaxies from redshifts z=0to z=9.5. Using empirically motivated prescriptions, we model galactic-scaleproperties -- including halo mass, stellar mass, star formation rate, gas mass,and metallicity -- to make predictions for the galactic evolution of dust massand dust temperature in main sequence galaxies. Our simple analytic model,which predicts that galaxies in the early Universe had greater quantities ofdust than their low-redshift counterparts, does a good job at reproducingobserved trends between galaxy dust and stellar mass out to z~6. We find thatfor fixed galaxy stellar mass, the dust temperature increases from z=0 to z=6.Our model forecasts a population of low-mass, high-redshift galaxies withinterstellar dust as hot as, or hotter than, their more massive counterparts;but this prediction needs to be constrained by observations. Finally, we makepredictions for observing 1.1-mm flux density arising from interstellar dustemission with the Atacama Large Millimeter Array.

A Model Connecting Galaxy Masses, Star Formation Rates, and Dust Temperatures Across Cosmic Time