Abstract—

This study gives a comparison of characteristics of small-scale ion flux fluctuations based on measurements of the SPEKTR-R spacecraft in slow and fast solar wind streams. Fast quasi-stationary streams and fast disturbed streams, associated with transient phenomena in the solar corona, are considered separately. The use of high-time-resolution data from the Bright Monitor of Solar Wind (BMSW) instrument makes it possible to analyze plasma fluctuations in a wide range of scales, including small scales, where kinetic effects can make a significant contribution. It is shown in the study that the nature of small-scale fluctuations can significantly differ in fast streams with the same mean solar wind velocity but having a different nature.

中文翻译：

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快速和慢速太阳风中的小范围等离子体波动

摘要-

这项研究根据SPEKTR-R航天器在慢速和快速太阳风中的测量结果，对小尺度离子通量波动的特征进行了比较。与日冕中的瞬态现象相关的快速准平稳流和快速扰动流被分别考虑。利用来自太阳风明亮监测器（BMSW）仪器的高分辨率数据，可以分析大范围的等离子体波动，包括​​小范围的动力学影响，其中包括小范围的波动。研究表明，在具有相同平均太阳风速但性质不同的快速流中，小尺度波动的性质可能存在显着差异。