Oxygen abundances in metal-poor stars from IR OH lines

被引：2
作者：
Meléndez, J
Barbuy, B
Spite, F [1 ]
机构：
[1] USP, IAG, BR-01060970 Sao Paulo, Brazil
[2] Observ Paris, F-92195 Meudon, France
来源：
NEW ASTRONOMY REVIEWS | 2001年 / 45卷 / 08期
基金：
巴西圣保罗研究基金会;
关键词：
D O I：
10.1016/S1387-6473(01)00124-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
High-resolution spectra in the H-band (1.55-1.56 mum) were obtained with the Phoenix spectrograph at the 2.1 m Kitt Peak telescope, for the observation of OH lines in 14 metal-poor stars of metallicities -0.8 < [Fe/H]< -2.2. Results of [O/Fe]approximate to +0.43 are in agreement with oxygen-to-iron ratios derived from the forbidden [O I) lines, and in disagreement with the high [O/Fe] derived from permitted O I lines and recent determinations from UV OH lines. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：551 / 553
页数：3
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