The Dust Attenuation Scaling Relation of Star-Forming Galaxies in the EAGLE Simulations
Man Qiao; Xian Zhong Zheng; Antonios Katsianis; Jianbo Qin; Zhizheng Pan; Wenhao Liu; Qing-Hua Tan; Fang Xia An · 2024 · arXiv
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Abstract (excerpt)
Dust attenuation in star-forming galaxies (SFGs), as parameterized by the infrared excess (IRX $\equiv L_{\rm IR}/L_{\rm UV}$), is found to be tightly correlated with star formation rate (SFR), metallicity and galaxy size, following a universal IRX relation up to $z=3$. This scaling relation can provide a fundamental constraint for theoretical models to reconcile galaxy star formation, chemical enrichment, and structural evolution across cosmic time. We attempt to reproduce the universal IRX relation over $0.1\leq z\leq 2.5$ using the EAGLE hydrodynamical simulations and examine sensitive para
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Metadata source: arXiv
