Blue compact dwarf galaxies with nitrogen overabundance: a view from integral field spectroscopy
Blue compact dwarf galaxies (BCDs) take up the low end of the distribution of metallicity and nitrogen-to-oxygen (N/O) ratio as derived using collisional emission lines in ionized gaseous nebulae. This chemical status is well explained by chemical evolution models. Nevertheless, there is a subsample of BCDs with large values of N/O which cannot be
Pérez-Montero, E. et al.
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2011