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astro-ph2006★ 158 cited
The localized chemical pollution in NGC 5253 revisited: Results from deep echelle spectrophotometry
A. R. Lopez-Sanchez, C. Esteban, J. Garcia-Rojas +2
We present echelle spectrophotometry of the blue compact dwarf galaxy (BCDG) NGC 5253. The data have been taken with the Very Large Telescope UVES echelle spectrograph in the 3100…
astro-ph2006★ 1 cited
The Calibration of the O/H Abundance Indicators for Extragalactic H II Regions Based on O II Recombination Lines
M. Peimbert, A. Peimbert, C. Esteban +5
Based on O II recombination lines we present a new calibration (called O II[RL]) of Pagel's O23 indicator to determine the O/H abundance ratio in extragalactic H II regions and emi…