昴星团和后发座星系团中A、Am和F星的丰度测定
Abundances determination of A, Am and F stars in the Pleiades and Coma Berenices clusters
摘要：
计算了昴星团和后发座疏散星团中27颗A/Am星和16颗F星的18种化学元素的丰度。我们已经专门计算了，与蒙特利尔代码，一系列的演化模型，这两个星团的两个A星成员。没有一个模型完全再现丰度模式的整体形状。列入竞争过程，如旋转混合在这些恒星的辐射区似乎有必要提高观测和预测的丰度模式之间的协议。
英文摘要：
Abundances of 18 chemical elements have been derived for 27 A/Am and 16 F stars members of the Pleiades and Coma Berenices open clusters. We have specifically computed, with the Montréal code, a series of evolutionary models for two A stars members of these two clusters. None of the models reproduces entirely the overall shape of the abundances patterns. The inclusion of competing processes such as rotational mixing in the radiative zones of these stars seems necessary to improve the agreement between observed and predicted abundances patterns.
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