Extragalactic planetary nebulae: Tracers of the chemical evolution of nearby galaxies

The study of the chemical composition of Planetary Nebulae in external galaxies is of paramount importance for the fields of stellar evolution and chemical enrichment history of galaxies. In recent years a number of spectroscopic studies with 6-8m-class telescopes have been devoted to this subject i...

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Published inProceedings of the International Astronomical Union Vol. 7; no. S283; pp. 251 - 258
Main Authors Magrini, Laura, Stanghellini, Letizia, Gonçalves, Denise R.
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.07.2011
Subjects
Chemistry
Contributed Papers
Evolution
Nebulae
Spectrum analysis
Stars & galaxies
ISM: evolution
galaxies: evolution
planetary nebulae: general; galaxies: irregular
Local Group
techniques: spectroscopic; ISM: abundances
galaxies: abundances
galaxies: spiral
HII regions
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Summary:The study of the chemical composition of Planetary Nebulae in external galaxies is of paramount importance for the fields of stellar evolution and chemical enrichment history of galaxies. In recent 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 stellar evolution at low metallicity.
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ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921312011040