Concepedia
Statistics
Publications
8
Citations
262
H-Index
Active since
2019
Affiliations
Universidade do Vale do Paraíba(Current)
Universidade Federal do Rio Grande do Sul
Instituto de Astrofísica de La Plata
Universidade Federal de Santa Maria
Instituto de Astrofísica de Andalucía
Mark Armah is an author at Universidade do Vale do Paraíba specializing in astronomy, natural sciences, and seyfert galaxies.
Publications per year
2019–2023
Chemical abundances of Seyfert 2 AGNs – III. Reducing the oxygen abundance discrepancy
O. L. Dors, R. Maiolino, M. V. Cardaci et al. · Monthly Notices of the Royal Astronomical Society · 2020 · 56 citations · Full text
Natural Sciences, Astronomy, Interstellar Medium +12
Chemical abundances of Seyfert 2 AGNs – II. N2 metallicity calibration based on SDSS
Sarah Souza de Carvalho, O. L. Dors, M. V. Cardaci et al. · Monthly Notices of the Royal Astronomical Society · 2020 · 49 citations · Full text
Chemical abundances of Seyfert 2 AGNs – I. Comparing oxygen abundances from distinct methods using SDSS
O. L. Dors, P. Freitas-Lemes, E. B. Amôres et al. · Monthly Notices of the Royal Astronomical Society · 2019 · 43 citations · Full text
Natural Sciences, Astronomy, Extragalactic Astronomy +12
Chemical abundances in Seyfert galaxies – V. The discovery of shocked emission outside the AGN ionization axis
Rogemar A. Riffel, O. L. Dors, Mark Armah et al. · Monthly Notices of the Royal Astronomical Society Letters · 2020 · 41 citations · Full text
Natural Sciences, Astronomy, Physics +12
Chemical abundances in Seyfert galaxies – IX. Helium abundance estimates
O. L. Dors, Mabel Valerdi, P. Freitas-Lemes et al. · Monthly Notices of the Royal Astronomical Society · 2022 · 22 citations · Full text
Natural Sciences, Astronomy, Extragalactic Astronomy +9
1–5 of 8