http://arxiv.org/abs/1706.05427
The analysis of a hot loop oscillation event using SOHO/SUMER, GOES/SXI, and RHESSI observations is presented. Damped Doppler shift oscillations were detected in the Fe XIX line by SUMER, and interpreted as a fundamental standing slow mode. The evolution of soft X-ray emission from GOES/SXI and hard X-ray sources from RHESSI suggests that the oscillations of a large loop are triggered by a small flare, which may be produced by interaction (local reconnection) of this large loop with a small loop at its footpoint. This study provides clear evidence supporting our early conjecture that the slow-mode standing waves in hot coronal loops are excited by impulsive heating (small or microflares) at the loop’s footpoint.
T. Wang, W. Liu, L. Ofman, et. al.
Tue, 20 Jun 17
38/72
Comments: 2 pages, 1 figure, Published in Proceedings of Hinode 5th science meeting
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