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Título

Properties of the H II regions derived using integral field spectroscopy

AutorSánchez, Sebastián F.
Palabras claveStar-forming galaxies
H-II regions
chemo-spectrophotometric evolution
Fecha de publicación2013
EditorHindawi Publishing Corporation
CitaciónAdvances in Astronomy 2013 (2013)
ResumenHere we review some of our more recent results on the observed properties of HII regions using Integral Field Spectroscopy. In particular, we illustrate the use of this technique to study in detail the ionization conditions across the nebulae for galactic HII regions (focused on the Orion Nebula) and the statistical study of large samples of extragalactic HII regions. We review the reported new scaling relation between the local mass density and the oxygen abundance across the disk galaxies and the recently discovered universal gradient for oxygen abundances. We update our previous results the lack of a dependence of the Mass-Metallicity relation with the starformation rate, including new unpublished data. Finally we discuss on the relation between the ionization conditions in the nebulae and the underlying stellar population. All together our results indicate that disk galaxies present a chemical enrichment dominated by an inside-out growth scenario, with a less evident effect of radial migrations and/or outflows. © 2013 Sebastian F. Sánchez.
URIhttp://hdl.handle.net/10261/133533
DOI10.1155/2013/596501
Identificadoresdoi: 10.1155/2013/596501
issn: 1687-7969
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