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Improving the performance of solar flare forecasting is a hot topic in solar physics research field. Deep learning has been considered a promising approach to perform solar flare forecasting in recent years. We first used the Generative…

Solar and Stellar Astrophysics · Physics 2021-12-15 Zheng Deng , Feng Wang , Hui Deng , Lei Tan , Linhua Deng , Song Feng

Solar flares are intense eruptive events caused by the rapid release of magnetic energy, often impacting Earth's space environment through electromagnetic radiation and high-energy particles. Accurate flare prediction is critical for space…

Solar and Stellar Astrophysics · Physics 2026-05-19 Limin Zhao , Xingyao Chen , Xiaoshuai Zhu , Dong Zhao , and Yihua Yan

We developed a solar flare prediction model using a deep neural network (DNN), named Deep Flare Net (DeFN). The model can calculate the probability of flares occurring in the following 24 h in each active region, which is used to determine…

Solar and Stellar Astrophysics · Physics 2018-05-23 Naoto Nishizuka , Komei Sugiura , Yuki Kubo , Mitsue Den , Mamoru Ishii

A convolutional neural network (CNN) is used to construct a new catalog for solar flares based on high resolution (1-s cadence) Geostationary Operational Environmental Satellites (GOES) soft X-ray data. The CNN is trained to identify flare…

Solar and Stellar Astrophysics · Physics 2026-04-13 Nastaran Farhang , Michael. S. Wheatland , Andrew Melatos

Solar flares are among the most powerful and dynamic events in the solar system, resulting from the sudden release of magnetic energy stored in the Sun's atmosphere. These energetic bursts of electromagnetic radiation can release up to…

Solar and Stellar Astrophysics · Physics 2025-05-07 Julia Bringewald

We developed an operational solar flare prediction model using deep neural networks, named Deep Flare Net (DeFN). DeFN can issue probabilistic forecasts of solar flares in two categories, such as >=M-class and <M-class events or >=C-class…

Solar and Stellar Astrophysics · Physics 2021-12-03 Naoto Nishizuka , Yuki Kubo , Komei Sugiura , Mitsue Den , Mamoru Ishii

Solar flares are explosions on the Sun. They happen when energy stored in magnetic fields around solar active regions (ARs) is suddenly released. In this paper, we present a transformer-based framework, named SolarFlareNet, for predicting…

Solar and Stellar Astrophysics · Physics 2024-05-28 Yasser Abduallah , Jason T. L. Wang

Solar flares are explosions in the solar atmosphere that release intense bursts of short-wavelength radiation and are capable of producing severe space-weather consequences. Flares release free energy built up in coronal fields, which are…

Solar and Stellar Astrophysics · Physics 2020-08-05 Shamik Bhattacharjee , Rasha Alshehhi , Dattaraj B. Dhuri , Shravan M. Hanasoge

We developed a reliable probabilistic solar flare forecasting model using a deep neural network, named Deep Flare Net-Reliable (DeFN-R). The model can predict the maximum classes of flares that occur in the following 24 h after observing…

Solar and Stellar Astrophysics · Physics 2020-09-02 Naoto Nishizuka , Yûki Kubo , Komei Sugiura , Mitsue Den , Mamoru Ishii

Operational flare forecasting aims at providing predictions that can be used to make decisions, typically at a daily scale, about the space weather impacts of flare occurrence. This study shows that video-based deep learning can be used for…

Solar and Stellar Astrophysics · Physics 2022-09-13 Sabrina Guastavino , Francesco Marchetti , Federico Benvenuto , Cristina Campi , Michele Piana

We consider the flare prediction problem that distinguishes flare-imminent active regions that produce an M- or X-class flare in the future 24 hours, from quiet active regions that do not produce any flare within $\pm 24$ hours. Using…

Solar and Stellar Astrophysics · Physics 2022-06-15 Zeyu Sun , Monica G. Bobra , Xiantong Wang , Yu Wang , Hu Sun , Tamas Gombosi , Yang Chen , Alfred Hero

Solar flares are among the most severe space weather phenomena, and they have the capacity to generate radiation storms and radio disruptions on Earth. The accurate prediction of solar flare events remains a significant challenge, requiring…

Solar and Stellar Astrophysics · Physics 2023-10-31 Vysakh P. A. , Prateek Mayank

Solar flare prediction is a central problem in space weather forecasting and recent developments in machine learning and deep learning accelerated the adoption of complex models for data-driven solar flare forecasting. In this work, we…

Machine Learning · Computer Science 2023-09-12 Chetraj Pandey , Anli Ji , Rafal A. Angryk , Berkay Aydin

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

Accurate and reliable predictions of solar flares are essential due to their potentially significant impact on Earth and space-based infrastructure. Although deep learning models have shown notable predictive capabilities in this domain,…

Machine Learning · Computer Science 2024-11-28 Temitope Adeyeha , Chetraj Pandey , Berkay Aydin

Major solar flares are abrupt surges in the Sun's magnetic flux, presenting significant risks to technological infrastructure. In view of this, effectively predicting major flares from solar active region magnetic field data through machine…

Solar and Stellar Astrophysics · Physics 2024-10-02 Onur Vural , Shah Muhammad Hamdi , Soukaina Filali Boubrahimi

Solar flares are defined as outbursts on the surface of the Sun. They occur when energy accumulated in magnetic fields enclosing solar active regions (ARs) is abruptly expelled. Solar flares and associated coronal mass ejections are sources…

Solar and Stellar Astrophysics · Physics 2025-02-24 Huseyin Cavus , Jason T. L. Wang , Teja P. S. Singampalli , Gani Caglar Coban , Hongyang Zhang , Abd-ur Raheem , Haimin Wang

We developed a flare prediction model using machine learning, which is optimized to predict the maximum class of flares occurring in the following 24 h. Machine learning is used to devise algorithms that can learn from and make decisions on…

Solar and Stellar Astrophysics · Physics 2017-02-01 N. Nishizuka , K. Sugiura , Y. Kubo , M. Den , S. Watari , M. Ishii

Over the past few decades, many applications of physics-based simulations and data-driven techniques (including machine learning and deep learning) have emerged to analyze and predict solar flares. These approaches are pivotal in…

Solar and Stellar Astrophysics · Physics 2024-02-07 Anli Ji , Berkay Aydin

Solar flares - bursts of high-energy radiation responsible for severe space-weather effects - are a consequence of the occasional destabilization of magnetic fields rooted in active regions (ARs). The complexity of AR evolution is a barrier…

Solar and Stellar Astrophysics · Physics 2019-05-27 Dattaraj B. Dhuri , Shravan M. Hanasoge , Mark C. M. Cheung
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