Abstract
We present a study of the metallicity of 20268 galaxies from the Sloan Digital Sky Survey—Data Release 6 (SDSS–DR6)—using the R 23 method, and derive analytical calibrations from several metallicity-sensitive line ratios: [Nii] λ6583/Hα, [Oiii] λ5007/[Nii] λ6583, [Nii] λ6583/[Oii] λ3727, [Nii] λ6583/ [Sii] λλ6717, 6731, [Sii] λλ6717, 6731/Hα, and [Oiii] λλ4959, 5007/Hβ. We have performed the study for the resdshift interval (0.04–0.1) for all the Sloan survey release. This is the first part of a more complete work which aims to study the metallicity dependences of the star-forming galaxies in the Local Universe.
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Lara-López, M.A. et al. (2010). Metallicity Estimates with SDSS–DR6. In: Diego, J., Goicoechea, L., González-Serrano, J., Gorgas, J. (eds) Highlights of Spanish Astrophysics V. Astrophysics and Space Science Proceedings. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11250-8_52
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DOI: https://doi.org/10.1007/978-3-642-11250-8_52
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