Solar scandium abundance

摘要：

We investigate the formation of neutral and singly ionized scandium lines in the solar photospheres. Extensive statistical equilibrium calculations were carried out for a model atom,which comprises 92 terms for Sc Ⅰand 79 for Sc Ⅱ. Synthetic line profiles calculated from the level populations according to the NLTE departure coefficients were compared with the observed solar spectral atlas. Abundance determinations using the ODF model lead to a solar Sc abundance of between log ε()= 3.07 and 3.13,depending on the choice of f values.

关键词： Sun:abundances line:formation line:profiles

作者: H.W.Zhang T.Gehren G.Zhao

作者单位: Department of Astronomy,School of Physics,Peking University,Beijing 100871,P.R.China;Institut fǔr As Institut für Astronomie und Astrophysik der Universit(a)t München,Scheinerstrasse 1,D-81679 Munchen, National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,P.R.China

会议类型: 国际会议

会议名称: The 252th Symposium of the International Astronomical Union(国际天文学联合会第252届研讨会)

会议地点: 海南三亚

会议语种:英文

页码: 127-128

在线出版日期: 2008-04-06（万方平台首次上网日期，不代表论文的发表时间）