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Diagnosing a Solar Flaring Core with Bidirectional Quasi-periodic Fast Propagating Magnetoacoustic Waves

  • Authors: Yuhu Miao, Dong Li, Ding Yuan, Chaowei Jiang, Abouazza Elmhamdi, Mingyu Zhao, and Sergey Anfinogentov

2021 The Astrophysical Journal Letters 908 L37.

  • Provider: AAS Journals

Caption: Figure 3.

(a) Time–distance plot of Sector A1, overlaid with the GOES X-ray flux. (b)–(c) Detrended emission intensity measured at L1 in Figure 2(a) and its wavelet spectrum. (d)–(e) Derivative of GOES X-ray flux and its wavelet spectrum. (f)–(g) Detrended RoRH 17 GHz radio emission flux and its wavelet spectrum. The radio data of NoRH 17 GHz started at about 03:12 UT. The two green vertical dashed lines highlight the time interval of QFP wave and periodic signal in the flaring core. The y0 indicates the initial value of the Y-axis in panel (c).

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