2024
DOI: 10.1051/0004-6361/202451168
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Gas-phase metallicity for the Seyfert galaxy NGC 7130

A. Amiri,
J. H. Knapen,
S. Comerón
et al.

Abstract: Metallicity measurements in galaxies can provide valuable clues about galaxy evolution. One of the mechanisms postulated for metallicity redistribution in galaxies is gas flows induced by active galactic nuclei (AGNs), but the details of this process remain elusive. We report the discovery of a positive radial gradient in the gas-phase metallicity of the narrow-line region of the Seyfert 2 galaxy NGC 7130, which is not found when considering the star-forming (SF) components in the galaxy disc. To determine gas… Show more

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