Interaction between coronal mass ejections and the solar wind
Interaction between coronal mass ejections and the solar wind
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日冕物质抛射与太阳风之间的相互作用
DOI：
10.1029/2006ja011875
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发表时间：
2007
影响因子：
--
通讯作者：
G. Lawrence
中科院分区：
文献类型：
--
作者：
R. Jones;A. Breen;R. Fallows;A. Canals;M. Bisi;G. Lawrence
[1] 观测表明，日冕物质抛射（iCME）的行星际延伸在穿过太阳风时可能会加速或减速。行星际闪烁测量 (IPS) 可以检测 iCME 超出大角度和光谱日冕仪日冕仪视野的情况，并可以提供有关其速度的信息。欧洲非相干散射雷达和多元无线电连接干涉仪网络系统的视场覆盖10-120个太阳半径，可以提供太阳风内部区域iCME的信息。 IPS 观测还可以提供 iCME 之前的太阳风速度测量，并利用这些信息，我们考虑许多明确定义的 iCME 的速度剖面以及 iCME 速度与背景太阳风速度之间的关系。结果进一步证实，iCME 在事件发生之前会向太阳风的速度收敛，并且大部分由此产生的加速或减速发生在太阳风的最内部区域。
[1] Observations suggest that the interplanetary extensions of coronal mass ejections (iCMEs) may be accelerated or decelerated in their passage through the solar wind. Interplanetary scintillation measurements (IPS) can detect the passage of iCMEs beyond the field of view of the Large-Angle and Spectrometric Coronagraph coronagraphs and can provide information on their velocities. The European Incoherent Scatter Radar and the Multi Element Radio Linked Interferometer Network systems, with a field of view covering 10–120 solar radii, can provide information on iCMEs in the inner regions of the solar wind. IPS observations can also provide solar wind velocity measurements ahead of the iCME, and using this information, we consider the velocity profile of a number of clearly defined iCMEs and the relationship between iCME velocities and that of the background solar wind. The results provide additional confirmation that iCMEs converge toward the velocity of the solar wind ahead of the event and that most of the resulting acceleration or deceleration occurs in the innermost regions of the solar wind.