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Chemical Evolution of the Small Magellanic Cloud: The Planetary Nebulae

Published online by Cambridge University Press:  26 May 2016

Thais P. Idiart  and
Roberto D.D. Costa
Thais P. Idiart
Affiliation:
IAG/USP- Departamento de Astronomia; Av. Miguel Stéfano 4200; 04301-904 - São Paulo/SP; Brasil
Roberto D.D. Costa
Affiliation:
IAG/USP- Departamento de Astronomia; Av. Miguel Stéfano 4200; 04301-904 - São Paulo/SP; Brasil

Abstract

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In this work, the chemical history of the SMC is described through an observed sample of planetary nebulae (PNe). Age-abundance relations were derived through the [α-elements/H] (oxygen, argon, neon and sulphur) ratios estimated from PNe of different progenitor masses. In particular, oxygen abundances seem do not decrease due to O-N cycle operation. (This work was supported by FAPESP)

Type
Part VIII: Planetary Nebulae as Galaxy Probes
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 581 - 582
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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