Solar flare hard X-ray spikes observed by RHESSI: a case study

2012/10/08 by Jiong Qiu, J. Qiu, J. X. Cheng +6 · 2 citations
Physics and Astronomy · #Astro and Planetary Science #Astronomy #Astrophysics #Energy (signal processing) #Flare #Full width at half maximum #Gamma ray #Ionosphere and magnetosphere dynamics #Optics #Photon #Physics #Solar and Space Plasma Dynamics #Spectral line #Wavelength #X-ray #astro-ph.SR

paper · pdf · doi:10.1051/0004-6361/201118609

20 pages, 11 figures

openalex publication_date 2012/10/08 · arxiv created 2012/10/26 · arxiv updated 2015/06/11 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Context. Fast-varying hard X-ray spikes of subsecond time scales were discovered by space telescopes in the 70s and 80s, and are also observed by the Ramaty High Energy Solar Spectroscopic Imager (RHESSI). These events indicate that the flare energy release is fragmented.

Citations

• The Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI)

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