Chemical evolution of the small magellanic cloud: The planetary nebulae

被引：0
|
作者：
Idiart, TP [1 ]
Costa, RDD [1 ]
机构：
[1] Univ Sao Paulo, Inst Astron & Geofis, Dept Astron, BR-04301904 Sao Paulo, Brazil
来源：
PLANETARY NEBULAE: THEIR EVOLUTION AND ROLE IN THE UNIVERSE | 2003年 / 209期
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 [alpha-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).
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页码：581 / 582
页数：2
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