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Azimuthal variations of gas-phase oxygen abundance in NGC 2997

Ho, I Ting; Meidt, Sharon E.; Kudritzki, Rolf-Peter; Groves, Brent; Seibert, Mark; Madore, Barry; Schinnerer, Eva; Rich, Jeffrey; Kobayashi, Chiaki; Kewley, Lisa J


The azimuthal variation of the H II region oxygen abundance in spiral galaxies is a key observable for understanding how quickly oxygen produced by massive stars can be dispersed within the surrounding interstellar medium. Observational constraints on the prevalence and magnitude of such azimuthal variations remain rare in the literature. Here, we report the discovery of pronounced azimuthal variations of H II region oxygen abundance in NGC 2997, a spiral galaxy at approximately 11.3 Mpc. Using...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Astronomy and Astrophysics (Online)
DOI: 10.1051/0004-6361/201833262
Access Rights: Open Access


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