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Ultra-impulsive Solar Flare Seismology

  • Authors: Angel D. Martínez, Valeria Quintero Ortega, J. C. Buitrago-Casas, Juan Carlos Martínez Oliveros, Benjamín Calvo-Mozo, and Charles Lindsey

2020 The Astrophysical Journal Letters 895 L19.

  • Provider: AAS Journals

Caption: Figure 4.

Temporal progression of the source density of the acoustic transient released by the flare SOL20110730T02:04-M9.3 in the 9.0–11.0 mHz spectrum, showing that emission from the northwestern kernel, ﹩{A}_{\mathrm{NW}}﹩, of the composite western acoustic source significantly precedes (see panel (a)) that from the south-eastern kernel, ASE (see panel (c)). Acoustic emission from the single-kernel far-eastern source, B, appears to peak about halfway between the peaks of the individual kernels of the composite western source.

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