Abundance Gradients in the Outer Galactic Disk

被引:0
|
作者
W.J. Maciel
C. Quireza
机构
[1] IAG/USP,
来源
关键词
Chemical Evolution; Element Ratio; Cluster Star; Young Star; Galactic Disk;
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学科分类号
摘要
Radial abundance gradients of the element ratios O/H, Ne/H, S/H, and Ar/H are determined for a sample of disk planetary nebulae, emphasizing the behaviour of the gradients at large galactocentric distances.
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页码:269 / 270
页数:1
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