The relation between abundance gradients and the physical properties of spiral galaxies

Details The relation between abundance gradients and the physical properties of spiral galaxies The relation between abundance gradients and the physical properties of spiral galaxies

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.259..121v&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 259, no. 1, p. 121-145.

Mathematics

Logic

305

Abundance, H Ii Regions, Interstellar Chemistry, Physical Properties, Spiral Galaxies, Astronomical Photometry, Astronomical Spectroscopy, Brightness Distribution, Density Distribution, Galactic Structure, Metallicity

Scientific paper

Some correlations of the behavior of chemical abundance gradients with other physical properties of spiral galaxies are established. The sample is some 30 galaxies for which good published spectrophotometry of H II regions is available. The central abundances of spirals are correlated with their mass, barred galaxies have shallow gradients, and non-barred spirals show a correlation of gradient slope with morphological type. The correlation of abundance with mass surface density is confirmed and there are indications that the effective yield may vary as a function of metallicity.

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