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We study the prediction of solar flare size and time-to-flare using 38 features describing magnetic complexity of the photospheric magnetic field. This work uses support vector regression to formulate a mapping from the 38-dimensional…

太阳与恒星天体物理 · 物理学 2015-11-09 Laura E. Boucheron , Amani Al-Ghraibah , R. T. James McAteer

Among the eruptive activity phenomena observed on the Sun, the most technology threatening ones are flares with associated coronal mass ejections (CMEs) and solar energetic particles (SEPs). Flares with associated CMEs and SEPs are produced…

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…

机器学习 · 计算机科学 2023-09-12 Chetraj Pandey , Anli Ji , Rafal A. Angryk , Berkay Aydin

Solar flare forecasting mainly relies on photospheric magnetograms and associated physical features to predict forthcoming flares. However, it is believed that flare initiation mechanisms often originate in the chromosphere and the lower…

太阳与恒星天体物理 · 物理学 2024-10-22 Grégoire Francisco , Sabrina Guastavino , Teresa Barata , João Fernandes , Dario Del Moro

This paper presents a post hoc analysis of a deep learning-based full-disk solar flare prediction model. We used hourly full-disk line-of-sight magnetogram images and selected binary prediction mode to predict the occurrence of…

机器学习 · 计算机科学 2023-10-10 Chetraj Pandey , Rafal A. Angryk , Manolis K. Georgoulis , Berkay Aydin

Recently, there has been growing interest in the use of machine-learning methods for predicting solar flares. Initial efforts along these lines employed comparatively simple models, correlating features extracted from observations of…

太阳与恒星天体物理 · 物理学 2023-06-21 Varad Deshmukh , Srinivas Baskar , Elizabeth Bradley , Thomas Berger , James D. Meiss

Solar flare prediction plays an important role in understanding and forecasting space weather. The main goal of the Helioseismic and Magnetic Imager (HMI), one of the instruments on NASA's Solar Dynamics Observatory, is to study the origin…

天体物理仪器与方法 · 物理学 2021-09-08 Yasser Abduallah , Jason T. L. Wang , Yang Nie , Chang Liu , Haimin Wang

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…

太阳与恒星天体物理 · 物理学 2025-05-07 Julia Bringewald

We present a long short-term memory (LSTM) network for predicting whether an active region (AR) would produce a gamma-class flare within the next 24 hours. We consider three gamma classes, namely >=M5.0 class, >=M class, and >=C class, and…

太阳与恒星天体物理 · 物理学 2019-06-06 Hao Liu , Chang Liu , Jason T. L. Wang , Haimin Wang

Solar energetic particles (SEPs) are an essential source of space radiation, which are hazards for humans in space, spacecraft, and technology in general. In this paper we propose a deep learning method, specifically a bidirectional long…

太阳与恒星天体物理 · 物理学 2022-05-18 Yasser Abduallah , Vania K. Jordanova , Hao Liu , Qin Li , Jason T. L. Wang , Haimin Wang

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…

太阳与恒星天体物理 · 物理学 2022-09-13 Sabrina Guastavino , Francesco Marchetti , Federico Benvenuto , Cristina Campi , Michele Piana

This study progresses solar flare prediction research by presenting a full-disk deep-learning model to forecast $\geq$M-class solar flares and evaluating its efficacy on both central (within $\pm$70$^\circ$) and near-limb (beyond…

太阳与恒星天体物理 · 物理学 2023-08-31 Chetraj Pandey , Anli Ji , Trisha Nandakumar , Rafal A. Angryk , Berkay Aydin

Solar flares, especially C, M, and X class, pose significant risks to satellite operations, communication systems, and power grids. We present a novel approach for predicting extreme solar flares using HMI intensitygrams and magnetograms.…

太阳与恒星天体物理 · 物理学 2026-01-09 Juyoung Yun , Jungmin Shin

We study the predictive capabilities of magnetic feature properties (MF) generated by Solar Monitor Active Region Tracker (SMART) for solar flare forecasting from two datasets: the full dataset of SMART detections from 1996 to 2010 that has…

太阳与恒星天体物理 · 物理学 2018-12-07 Katarina Domijan , D. Shaun Bloomfield , Francois Pitie

A hybrid two-stage machine learning architecture that addresses the problem of excessive false positives (false alarms) in solar flare prediction systems is investigated. The first stage is a convolutional neural network (CNN) model based…

太阳与恒星天体物理 · 物理学 2022-05-09 Varad Deshmukh , Natasha Flyer , Kiera Van Der Sande , Thomas Berger

Solar magnetic activity produces extreme solar flares and coronal mass ejections, which pose grave threats to electronic infrastructure and can significantly disrupt economic activity. It is therefore important to appreciate the triggers of…

太阳与恒星天体物理 · 物理学 2022-11-09 Dattaraj B. Dhuri , Shamik Bhattacharjee , Shravan M. Hanasoge , Sashi Kiran Mahapatra

Large scale solar eruptions significantly impact space weather and damages space-based human infrastructures. It is necessary to predict large scale solar eruptions, which will enable us to protect our vulnerable infrastructures of modern…

太阳与恒星天体物理 · 物理学 2020-07-08 Soumitra Hazra , Gopal Sardar , Partha Choudhuri

With machine learning entering into the awareness of the heliophysics community, solar flare prediction has become a topic of increased interest. Although machine learning models have advanced with each successive publication, the input…

太阳与恒星天体物理 · 物理学 2020-03-11 Brandon Panos , Lucia Kleint

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…

太阳与恒星天体物理 · 物理学 2026-05-19 Limin Zhao , Xingyao Chen , Xiaoshuai Zhu , Dong Zhao , and Yihua Yan

In this paper, we introduce a novel methodology for leveraging shape-based characteristics of magnetograms of active region (AR) patches and provide a novel capability for predicting solar flares covering the entirety of the solar disk (AR…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Chetraj Pandey , Temitope Adeyeha , Jinsu Hong , Rafal A. Angryk , Berkay Aydin