The Timescales of Star Cluster Emergence: The Case of NGC 4449

Timothy McQuaid, Daniela Calzetti, Sean T. Linden, Matteo Messa, Angela Adamo, Bruce Elmegreen, Kathryn Grasha,Kelsey E. Johnson, Linda J. Smith, Varun Bajaj

The Astrophysical Journal（2024）

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摘要

We survey the young star cluster population in the dwarf galaxy NGC4449 with the goal of investigating how stellar feedback may depend on the clusters' properties. Using Ultraviolet(UV)-optical-NearIR(NIR) photometry obtained from the Hubble Space Telescope, we have recovered 99 compact sources exhibiting emission in the Paβ hydrogen recombination line. Our analysis reveals these sources possess masses 10^2更多

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关键词

Interstellar dust,Young star clusters,Dwarf galaxies,Interstellar dust extinction

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