Mark Armah
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Rogemar A. Riffel
Astrophysics of Galaxies
Identifying AGNs from X-ray detections-I: Metallicity calibrations in AGNs with X-ray luminosity as the primary input parameter
mark-armah
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Mar 1, 2026
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1 min read
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Astrophysics - Astrophysics of Galaxies
Spatially resolved gas-phase metallicity in Seyfert galaxies
mark-armah
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Nov 1, 2024
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1 min read
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Galaxies: Abundances
Oxygen abundances in the narrow line regions of Seyfert galaxies and the metallicity-luminosity relation
mark-armah
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Apr 1, 2023
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1 min read
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Galaxies: Abundances
Gas-phase metallicity determinations in nearby AGNs with SDSS-IV MaNGA: evidence of metal-poor accretion
jana%C4%B1na-c.-do-nascimento
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Jun 1, 2022
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1 min read
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