Sodium enrichment of the stellar atmospheres. II. Galactic Cepheids

被引:8
作者
Andrievsky, SM [1 ]
Egorova, IA [1 ]
Korotin, SA [1 ]
Kovtyukh, VV [1 ]
机构
[1] Odessa II Mechnikov State Univ, Dept Astron, UA-65014 Odessa, Ukraine
关键词
stars : abundances; stars : supergiants;
D O I
10.1002/asna.200310163
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The present paper is a continuation of our study of the sodium abundance in supergiant atmospheres (Andrievsky et al. 2002a). We present the results on the NLTE abundance determination in Cepheids, and the derived relation between the sodium overabundance and their masses.
引用
收藏
页码:532 / 534
页数:3
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