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PHANGS-ALMA: Arcsecond CO(2-1) Imaging of Nearby Star-forming Galaxies

Leroy, Adam K; Schinnerer, Eva; Hughes, Annie; Rosolowsky, Erik; Pety, Jerome; Schruba, Andreas; Usero, Antonio; Blanc, Guillermo A; Chevance, Mélanie; Emsellem, Eric; Grasha, Kathryn


We present PHANGS-ALMA, the first survey to map CO J = 2 → 1 line emission at ∼1″ ∼100 pc spatial resolution from a representative sample of 90 nearby (d ≲ 20 Mpc) galaxies that lie on or near the z = 0 "main sequence"of star-forming galaxies. CO line emission traces the bulk distribution of molecular gas, which is the cold, star-forming phase of the interstellar medium. At the resolution achieved by PHANGS-ALMA, each beam reaches the size of a typical individual giant molecular cloud, so that...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: Astrophysical Journal Supplement Series
DOI: 10.3847/1538-4365/ac17f3
Access Rights: Open Access


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