Extragalactic Planetary Nebulae: tracers of the chemical evolution of nearby galaxies

Details Extragalactic Planetary Nebulae: tracers of the chemical evolution of nearby galaxies Extragalactic Planetary Nebulae: tracers of the chemical evolution of nearby galaxies

2011-10-06

arxiv.org/abs/1110.1186v2

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

8 pages, 4 figures, Invited Review to IAU Symposium 283, "Planetary Nebulae: an Eye to the Future", Tenerife, 25-29 July 2011

Scientific paper

The study of the chemical composition of Planetary Nebulae in external galaxies is of paramount importance in the fields of stellar evolution and of the chemical enrichment history of galaxies. In the last years a number of spectroscopic studies with 6-8m-class telescopes have been devoted to this subject improving our knowledge of, among other, the time-evolution of the radial metallicity gradient in disk galaxies, the chemical evolution of dwarf galaxies, and the stellar evolution at low metallicity.

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