论文标题
1 AU处平均铁电荷态的分布函数：从双峰风到ICME识别
The distribution function of the average iron charge state at 1 AU: from a bimodal wind to ICME identification
论文作者
论文摘要
我们旨在研究$ \ langle q_ {fe} \ rangle $在1AU的分布功能，以检查它是否对应于双峰风。我们使用20年来使用ACE航天器上的Swics Instrument的数据。我们将BI-Gaussian函数作为概率分布函数，该函数适合$ \ langle q_ {fe} \ rangle $ distribution。我们研究了与太阳周期的双峰分布参数的演变。我们将样本的异常值与ICME的现有目录进行比较，并识别新的ICMES。 $ \ langle q_ {fe} \ rangle $在1 au显示与太阳周期相关的双峰分布。我们的结果证实，$ \ langle q_ {fe} \ rangle> 12 $是ICME标识的值得信赖的代理，并且在ICME边界定义中是可靠的签名。
We aim to investigate the distribution function of $\langle Q_{Fe}\rangle$ at 1AU to check if it corresponds to a bimodal wind. We use data from SWICS instrument on board the ACE spacecraft along 20 years. We propose the bi-Gaussian function as the probability distribution function that fits the $\langle Q_{Fe}\rangle$ distribution. We study the evolution of the parameters of the bimodal distribution with the solar cycle. We compare the outliers of the sample with the existing catalogues of ICMEs and identify new ICMEs. The $\langle Q_{Fe}\rangle$ at 1 AU shows a bimodal distribution related to the solar cycle. Our results confirm that $\langle Q_{Fe}\rangle> 12 $ is a trustworthy proxy for ICME identification and a reliable signature in the ICME boundary definition.
