Oscillation Dynamics in Short-Lived Facula Regions during Their Lifetime
英文摘要：
We performed a multi-wave study of the oscillation dynamic in short-lived facula regions during their lifetime. We studied oscillations in five regions, three of which belonged to the beginning of the current solar activity cycle, and two of them existed at the end of the previous cycle. We found that in the facula regions of the current cycle, low-frequency 1-2 mHz oscillation dominated at the early stages of the faculae formation, while in the regions of the previous cycle, five-minute oscillations dominated at this stage. At the maximal development phase of all the facula regions, the locations of observed low frequencies are closely related to those of the coronal loops. These results support the version that the sources of the low-frequency oscillations in loops lie loops' foot points.
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