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Massive star formation in Wolf-Rayet galaxies: I. Optical and NIR photometric results
Angel R. Lopez-Sanchez, Cesar Esteban
(Abridged) We have performed a comprehensive multiwavelength analysis of a sample of 20 starburst galaxies that show the presence of a substantial population of massive stars. The…
Interactions and star formation activity in Wolf-Rayet galaxies
Ángel R. López-Sánchez, César Esteban
We present the main results of the PhD Thesis carried out by López-Sánchez (2006), in which a detailed morphological, photometrical and spectroscopical analysis of a sample of 20 W…
Massive stars and their surrounding nebulae: A combined approach
S. Simón-Díaz, G. Stasińska, J. García-Rojas +3
We present the first results of a project aimed at the combined study of massive stars and their surrounding nebulae by means of a detailed study of Galactic HII regions ionized by…
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…
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…
Star formation and stellar populations in the Wolf-Rayet(?) luminous compact blue galaxy IRAS 08339+6517
A. R. Lopez-Sanchez, C. Esteban, J. Garcia-Rojas
IRAS 08339+6517 is a luminous infrared and Ly-emitting starburst galaxy that possesses a dwarf companion object at a projected distance of 56 kpc. An \ion{H}{i} tidal tail has r…