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arXiv · 2512.16362

Observational methods for solar origin diagnostics of energetic protons

Rositsa Miteva
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Abstract

The aim of the present report is to outline the observational methods used to determine the solar origin - in terms of flares and coronal mass ejections (CMEs) - of the in situ observed solar energetic protons. Several widely used guidelines are given and different sources of uncertainties are summarized and discussed. In the present study, a new quality factor is proposed as a certainty check on the so-identified flare-CME pairs. In addition, the correlations between the proton peak intensity and the properties of their solar origin are evaluated as a function of the quality factor.

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Rositsa Miteva. 2025-12-18. Observational methods for solar origin diagnostics of energetic protons. https://arxiv.org/abs/2512.16362

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