24 citations
- Instituto Federal do MaranhãoBR3 papers
- Universidade do Vale do ParaíbaBR3 papers
- Consejo Nacional de Investigaciones Científicas y TécnicasAR1 paper
- Instituto de Astrofísica de La Plata1 paper
- Ludwig-Maximilians-Universität MünchenDE1 paper
- Main Astronomical ObservatoryUA1 paper
- Morehead State UniversityUS1 paper
- National Academy of Sciences of UkraineUA1 paper
- National Institute of Astrophysics, Optics and ElectronicsMX1 paper
- Universidade Estadual de Feira de SantanaBR1 paper
- Universidade Federal de Santa MariaBR1 paper
- Universidade Federal do Rio Grande do SulBR1 paper
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astro-ph.GA2022★ 12 cited
Chemical abundance of LINER galaxies -- Metallicity calibrations based on SDSS-IV MaNGA
C. B. Oliveira, A. C. Krabbe, J. A. Hernandez-Jimenez +5
The ionizing source of Low Ionization Nuclear Emission Regions (LINERs) is uncertain. Because of this, an empirical relation to determine the chemical abundances of these objects h…
astro-ph.GA2022★ 24 cited
Chemical abundances in Seyfert galaxies -IX. Helium abundance estimates
O. L. Dors, M. Valerdi, P. Freitas-Lemes +7
For the first time, the helium abundance relative to hydrogen (He/H), which relied on direct measurements of the electron temperature, has been derived in the narrow line regions (…