Dynamically Driven Evolution of Molecular Gas in the Barred Spiral Galaxy M83 Traced by CO J = 2–1/1–0 Line Ratio Variations

Dynamically Driven Evolution of Molecular Gas in the Barred Spiral Galaxy M83 Traced by CO J = 2–1/1–0 Line Ratio Variations

We show the variations of the CO J = 2–1/1–0 line ratio ( R _21/10 ) across the barred spiral galaxy M83, using the 46 pc resolution data from the Atacama Large Millimeter/submillimeter Array. The R _21/10 map clearly evidences the systematic large-scale variations as a function of galactic structur...

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Bibliographic Details
Main Authors: Jin Koda, Fumi Egusa, Akihiko Hirota, Amanda M Lee, Tsuyoshi Sawada, Fumiya Maeda
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Interstellar medium
Molecular gas
Molecular clouds
Galaxy structure
Galaxy dynamics
Star formation
Online Access:https://doi.org/10.3847/1538-4357/add1dc
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