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Solar energetic particle (SEP) events are one of the most crucial aspects of space weather that require continuous monitoring and forecasting using robust methods. We demonstrate a proof of concept of using a data-driven supervised…

Solar and Stellar Astrophysics · Physics 2024-08-13 Sumanth A. Rotti , Berkay Aydin , Petrus C. Martens

Solar energetic particle (SEP) events are one of the most crucial aspects of space weather. Their prediction depends on various factors including the source solar eruptions such as flares and coronal mass ejections (CMEs). The Geostationary…

Solar and Stellar Astrophysics · Physics 2023-08-16 Sumanth A. Rotti , Petrus C. Martens

We present a catalog of solar energetic particle (SEP) events covering solar cycles 22, 23 and 24. We correlate and integrate three existing catalogs based on Geostationary Operational Environmental Satellite (GOES) integral proton flux…

Solar and Stellar Astrophysics · Physics 2022-09-21 Sumanth Rotti , Berkay Aydin , Manolis K. Georgoulis , Petrus C. Martens

We introduce a new multivariate data set that utilizes multiple spacecraft collecting in-situ and remote sensing heliospheric measurements shown to be linked to physical processes responsible for generating solar energetic particles (SEPs).…

Solar and Stellar Astrophysics · Physics 2023-10-30 Kimberly Moreland , Maher Dayeh , Hazel M. Bain , Subhamoy Chatterjee , Andres Munoz-Jaramillo , Samuel Hart

Prediction of the Solar Energetic Particle (SEP) events garner increasing interest as space missions extend beyond Earth's protective magnetosphere. These events, which are, in most cases, products of magnetic reconnection-driven processes…

Solar Energetic Particle (SEP) events and their major subclass, Solar Proton Events (SPEs), can have unfavorable consequences on numerous aspects of life and technology, making them one of the most harmful effects of solar activity.…

The Sun continuously affects the interplanetary environment through a host of interconnected and dynamic physical processes. Solar flares, Coronal Mass Ejections (CMEs), and Solar Energetic Particles (SEPs) are among the key drivers of…

Solar and Stellar Astrophysics · Physics 2023-09-27 Subhamoy Chatterjee , Maher Dayeh , Andrés Muñoz-Jaramillo , Hazel M. Bain , Kimberly Moreland , Samuel Hart

Solar Energetic Particles (SEPs) form a critical component of Space Weather. The complex, intertwined dynamics of SEP sources, acceleration, and transport make their forecasting very challenging. Yet, information about SEP arrival and their…

Solar and Stellar Astrophysics · Physics 2024-11-26 Maher A. Dayeh , Subhamoy Chatterjee , Andres Munoz-Jaramillo , Kimberly Moreland , Hazel M. Bain , Samuel Hart

Solar energetic particle (SEP) events, as one of the most prominent manifestations of solar activity, can generate severe hazardous radiation when accelerated by solar flares or shock waves formed aside from coronal mass ejections (CMEs).…

Machine Learning · Computer Science 2025-11-13 Anli Ji , Pranjal Patil , Chetraj Pandey , Manolis K. Georgoulis , Berkay Aydin

Large solar eruptive events, including solar flares and coronal mass ejections (CMEs), can lead to solar energetic particle (SEP) events. During these events, protons are accelerated up to several GeV and pose numerous space weather risks.…

Solar and Stellar Astrophysics · Physics 2023-03-08 Charlotte Waterfall , Silvia Dalla , Osku Raukunen , Daniel Heynderickx , Piers Jiggens , Rami Vainio

We present a new empirical model to predict solar energetic particle (SEP) event-integrated and peak intensity spectra between 10 and 130 MeV at 1 AU, based on multi-point spacecraft measurements from the Solar TErrestrial RElations…

Solar and Stellar Astrophysics · Physics 2021-02-24 Alessandro Bruno , Ian G. Richardson

Solar energetic particles are mainly protons and originate from the Sun during solar flares or coronal shock waves. Forecasting the Solar Energetic Protons (SEP) flux is critical for several operational sectors, such as communication and…

Solar and Stellar Astrophysics · Physics 2023-10-19 Mohamed Nedal , Kamen Kozarev , Nestor Arsenov , Peijin Zhang

The Probabilistic Solar Particle Event foRecasting (PROSPER) model predicts the probability of occurrence and the expected peak flux of Solar Energetic Particle (SEP) events. Predictions are derived for a set of integral proton energies…

Solar energetic particle (SEP) events are known to occur following solar flares and coronal mass ejections (CMEs). However some high-energy solar events do not result in SEPs being detected at Earth, and it is these types of event which may…

Solar and Stellar Astrophysics · Physics 2017-11-29 Bill Swalwell , Silvia Dalla , Robert Walsh

Solar energetic particle (SEP) events pose severe threats to spacecraft, astronaut safety, and aviation operations. Accurate SEP forecasting remains a critical challenge in space weather research due to their complex origins and highly…

Space Physics · Physics 2026-05-04 Yian Yu , Yang Chen , Lulu Zhao , Kathryn Whitman , Ward Manchester , Tamas Gombosi

Solar Energetic Particle events (SEPs) are among the most dangerous transient phenomena of solar activity. As hazardous radiation, SEPs may affect the health of astronauts in outer space and adversely impact current and future space…

Gradual solar energetic particle (SEP) events are generally attributed to the particle acceleration in shock waves driven by coronal mass ejections (CMEs). Space-weather effects of such events are important, so there has been continuous…

Solar and Stellar Astrophysics · Physics 2024-12-17 Alexandr Afanasiev , Nicolas Wijsen , Rami Vainio

The injection, propagation and arrival of solar energetic particles (SEPs) during eruptive solar events is an important and current research topic of heliospheric physics. During the largest solar events, particles may have energies up to a…

Solar and Stellar Astrophysics · Physics 2018-05-16 M. Battarbee , J. Guo , S. Dalla , R. Wimmer-Schweingruber , B. Swalwell , D. J. Lawrence

We study the large solar energetic particle (SEP) events that were detected by GOES in the $>$ 10 MeV energy channel during December 2006 to March 2014. We derive and compare solar particle release (SPR) times for the 0.25--10.4 MeV…

Solar and Stellar Astrophysics · Physics 2016-10-26 Hong Xie , Pertti Makela , Nat Gopalswamy , Orville St. Cyr

Space weather events may cause damage to several fields, including aviation, satellites, oil and gas industries, and electrical systems, leading to economic and commercial losses. Solar flares are one of the most significant events, and…

Solar and Stellar Astrophysics · Physics 2020-06-25 T. Cinto , A. L. S. Gradvohl , G. P. Coelho , A. E. A. da Silva
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