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An Oxygen Abundance Gradient into the Outer Disk of M81
Maria T. Patterson, Rene A. M. Walterbos, Robert C. Kennicutt +2
The extended HI disk and tidal tails of M81 present an interesting environment to study the effects of galaxy interaction on star formation and chemical evolution of the outer disk…
Abundance gradient slopes versus mass in spheroids: predictions by monolithic models
A. Pipino, A. D'Ercole, C. Chiappini +1
We investigate whether it is possible to explain the wide range of observed gradients in early type galaxies in the framework of monolithic models. To do so, we extend the set of h…
The evolution of the mass-metallicity relation in galaxies of different morphological types
F. Calura, A. Pipino, C. Chiappini +3
By means of chemical evolution models for ellipticals, spirals and irregular galaxies, we aim at investigating the physical meaning and the redshift evolution of the mass-metallici…
Stellar mass-loss, rotation and the chemical enrichment of early type galaxies
Antonio Pipino, Cristina Chiappini, Genevieve Graves +1
We present a comparison between the [Ca,C,N/Fe]-mass relations observed in local spheroids and the results of a chemical evolution model which already successfully reproduces the […