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- W2038509194 endingPage "640" @default.
- W2038509194 startingPage "625" @default.
- W2038509194 abstract "We analysed the relation between the corotation radii and the galactic radii at which breaks or changes of slope of the metallicity gradients occur in spiral galaxies. With this purpose we compiled the results from the literature on rotation curves, corotation radii and radial metallicity distributions of 27 galaxies, of which 16 were considered qualified to be studied in the context of this work. We rescaled all references of each galaxy to the same framework in order to compare the results and to identify the radii where breaks and changes of slopes are found, when non-linear models fit the radial metallicities better than a linear model. In most galaxies we have found minima and breaks in radial metallicity near the corotation radius, revealing a significant correlation between these two radii, as it occurs in our Galaxy. The results are interpreted as a consequence of long-lived spiral structures, in which the star formation rate depends on the distance to the corotation radius, producing secular effects in the observed radial metallicity distributions." @default.
- W2038509194 created "2016-06-24" @default.
- W2038509194 creator A5086318373 @default.
- W2038509194 creator A5073070901 @default.
- W2038509194 date "2012-10-25" @default.
- W2038509194 modified "2023-10-18" @default.
- W2038509194 title "Radial metallicity distribution breaks at corotation radius in spiral galaxies" @default.
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