Systematics of H II region abundances in galaxies.

Details Systematics of H II region abundances in galaxies. Systematics of H II region abundances in galaxies.

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993rmxaa..27...21k&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, Vol. 27, p. 21 - 28

Astronomy and Astrophysics

Astronomy

6

H Ii Regions: Element Abundances, H Ii Regions: Galaxies, Galaxies: Element Abundances

Scientific paper

Previous studies of gas-phase abundances in disk galaxies have favored late-type field spirals with bright H II regions. Here the authors report preliminary results from two surveys undertaken to delineate the abundance properties of the full range of galaxy types, luminosities, and structural properties. The mean abundances are correlated with galaxy type, luminosity, and circular velocity. The abundance-luminosity relation for spirals maps almost directly onto those for Magellanic irregular and elliptical galaxies. The slope of the abundance gradient is not closely coupled to Hubble type or luminosity, but appears to be correlated with bar structure.

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