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astro-ph.SR2026
Evidence of flare and coronal mass ejection-driven shock acceleration of relativistic protons on 21 November 2024
M. Jarry, A. Papaioannou, G. Vasalos +9
On 21 November 2024 at 17:55 UTC, a solar flare erupted from far-side active region (AR) 13892, with enhanced hard X-ray flux measured by Solar Orbiter (SO). It was associated with…
astro-ph.SR2026
Catalogue and statistics of greater than 100 MeV solar proton events during solar cycles 23-25 from SOHO-ERNE observations
M. Jarry, C. Palmroos, E. Lavasa +12
The SPEARHEAD (specification, analysis, and re-calibration of high-energy particle data) project, funded by the European Union Horizon Europe programme, enhances the accuracy and u…
astro-ph.SR2025
The high-energy protons of the ground level enhancement (GLE74) event on 11 May 2024
A. Papaioannou, A. Mishev, I. Usoskin +19
High energy solar protons were observed by particle detectors aboard spacecraft in near-Earth orbit on May 11, 2024 and produced the 74th ground level enhancement (GLE74) event reg…