在喷流-环相互作用过程中同时发射的日冕EUV、QFP和扭结波
Coronal EUV, QFP, and kink waves simultaneously launched during the course of jet-loop interaction
摘要：
我们提出了一个极紫外（EUV）波，准周期快速传播（QFP）磁声波，和扭结波，同时与一组日冕环上的日冕喷流的冲击的观测。相互作用后，冕环出现明显的扭折振荡，周期约为428秒。同时，在相互作用位置的西侧观测到一个大尺度的EUV波和一个QFP波。有趣的是，QFP波在通过两个强磁区时表现出折射效应。EUV（QFP）波的角范围、速度和寿命分别约为140（40）度、423（322）km/s和6（26）分钟。测量到QFP波的周期约为390 +/-100秒。基于观测分析结果，我们认为扭结波可能是由喷流相互作用激发的;极紫外线可能是由日冕喷流撞击环系统导致环系统突然膨胀而发射的; QFP波可能是由喷流-环相互作用引起的扰动色散演化而形成的。
英文摘要：
We present the observations of an extreme ultraviolet (EUV) wave, a quasi-periodic fast-propagating (QFP) magnetosonic wave, and a kink wave that were simultaneously associated with the impingement of a coronal jet upon a group of coronal loops. After the interaction, the coronal loop showed obvious kink oscillation that had a period of about 428 seconds. In the meantime, a large-scale EUV wave and a QFP wave are observed on the west of the interaction position. It is interesting that the QFP wave showed refraction effect during its passing through two strong magnetic regions. The angular extent, speed, and lifetime of the EUV (QFP) wave were about 140 (40) degree, 423 (322) km/s, and 6 (26) minutes, respectively. It is measured that the period of the QFP wave was about 390 +/- 100 second. Based on the observational analysis results, we propose that the kink wave was probably excited by the interaction of the jet; the EUV was probably launched by the sudden expansion of the loop system due to the impingement of the coronal jet; and the QFP wave was possibly formed through the dispersive evolution of the disturbance caused by the jet-loop interaction.
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