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The role of young and evolved stars in the heating of dust in local galaxies
Vidhi Tailor, Viviana Casasola, Francesca Pozzi, Francesco Calura, Simone Bianchi, Monica Relano, Jacopo Fritz, Fr\'ed\'eric Galliano, Matteo Bonato, Maritza A. Lara-L\'opez, Evangelos Dimitrios Paspaliaris, Alberto Traina
https://arxiv.org/…

The role of young and evolved stars in the heating of dust in local galaxies
Context. Dust is a fundamental component of the interstellar medium (ISM) and plays a critical role in galaxy evolution. Dust grains influence the ISM by cooling the gas, altering its chemistry, and absorbing stellar radiation, re-emitting it at longer wavelengths in the far-infrared (FIR) and sub-millimeter regimes. The cold dust component, which dominates the dust mass, is primarily heated by stellar radiation, including both young, massive stars and the diffuse emission from older stars. Und…