Chemical abundances of dwarf spiral galaxies

Details Chemical abundances of dwarf spiral galaxies Chemical abundances of dwarf spiral galaxies

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxac..40...60h&link_type=abstract

XIII Latin American Regional IAU Meeting (Eds. W. J. Henney & S. Torres-Peimbert) Revista Mexicana de Astronomía y Astrofísica (

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Galaxies: Dwarf, Hii Regions, Ism: Abundances

Scientific paper

The oxygen abundances of 18 dwarf spiral galaxies are presented. In most of them, the abundance are determined with semi empirical methods. We find that the values are sub-solar for most of the galaxies, similar to those observed in other late-type galaxies, as BCG or dwarf irregular. The abundance gradient can be determined in four of these galaxies, one of them a barred one. The gradients of the three non-barred galaxies in the sample are larger than -0.15 dex/kpc, while the gradient of the barred galaxy is shallower, only -0.1 dex/kpc.

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