Long-term automatic tracking of coronal bright points has made it possible to study their proper motions using data from the AIA 193 Å channel of SDO/AIA. Fits files for 95 visually long-lived bright points uniformly distributed in latitude have been chosen for processing. A specially developed program automatically fixes the heliographic coordinates of the centroid of the chosen coronal bright points in a series of Fits files. It was found that the proper motions of all the coronal bright points studied here have a distinct oscillatory character. The periods of the oscillations range from 5 to 60 h with an average of 20 h. Some tendencies in the latitudinal dependence of the oscillatory characteristics have been found. A possible explanation of these oscillations in terms of the propagation of helical waves along the magnetic loops that form the structure of the coronal bright points is pointed out. Linear trends in the latitudinal and longitudinal components of the motion of the coronal points are used to determine the rotational velocity and meridional migration of the coronal bright points. An analysis of the rotational velocities confirms the differential character of the latitudinal dependence. The problem of determining the direction and magnitude of the meridional migration is discussed.

中文翻译：

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日冕亮点的规律和振荡运动

日冕亮点的长期自动跟踪使得使用来自 SDO/AIA 的 AIA 193 Å 通道的数据研究它们的自行成为可能。选择了在纬度上均匀分布的 95 个视觉长寿命亮点的拟合文件进行处理。一个专门开发的程序会自动修复一系列 Fits 文件中所选日冕亮点质心的日光坐标。发现这里研究的所有日冕亮点的自行运动都具有明显的振荡特征。振荡周期从 5 到 60 小时不等，平均为 20 小时。已经发现振荡特性的纬度依赖性的一些趋势。根据螺旋波沿着形成日冕亮点结构的磁环的传播，指出了对这些振荡的可能解释。日冕点运动的经纬度分量的线性趋势用于确定日冕亮点的旋转速度和经向偏移。对旋转速度的分析证实了纬度依赖性的差异特征。讨论了确定经向偏移的方向和幅度的问题。对旋转速度的分析证实了纬度依赖性的差异特征。讨论了确定经向偏移的方向和幅度的问题。对旋转速度的分析证实了纬度依赖性的差异特征。讨论了确定经向偏移的方向和幅度的问题。