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Can we believe the strong-line abundances in giant HII regions and emission-line galaxies?

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arxiv 1906.04520 v2 pith:O5SIF53V submitted 2019-06-11 astro-ph.GA

classification astro-ph.GA
keywords regionsabundancesgiantmethodsresultsstrong-lineabundancebackground
verification ladder T0 review T1 audit T2 compute T3 formal
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This review is not a compendium of strong-line methods to derive abundances in giant HII regions. It is mostly intended for readers who wish to use such methods but do not have a solid background on the physics of HII regions. It is also meant to encourage those using abundance results published in the literature to think more thoroughly about the validity of these results.

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Cited by 1 Pith paper

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    astro-ph.GA 2025-01 conditional novelty 6.0 of 10

    A neural-network-driven galaxy simulator shows that direct-method oxygen abundances are systematically biased in composite star-forming galaxies, with underestimates up to factors of several at high metallicity.

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