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The application of machine learning to the study of coronal mass ejections (CMEs) and their impacts on Earth has seen significant growth recently. Understanding and forecasting CME geoeffectiveness is crucial for protecting infrastructure…

Coronal mass ejections (CMEs) are the most geoeffective space weather phenomena, being associated with large geomagnetic storms, having the potential to cause disturbances to telecommunication, satellite network disruptions, power grid…

Solar and Stellar Astrophysics · Physics 2022-08-17 Andreea-Clara Pricopi , Alin Razvan Paraschiv , Diana Besliu-Ionescu , Anca-Nicoleta Marginean

In this study we present a statistical analysis of 53 fast Earth-directed halo CMEs observed by the SOHO/LASCO instrument during the period Jan. 2009-Sep. 2015, and we use this CME sample to test the capabilities of a Sun-to-Earth…

Solar and Stellar Astrophysics · Physics 2017-12-19 Camilla Scolini , Mauro Messerotti , Stefaan Poedts , Luciano Rodriguez

The main objective of the study is to determine the probability distributions of the geomagnetic Dst index as a function of the coronal mass ejection (CME) and solar flare parameters for the purpose of establishing a probabilistic forecast…

To understand the global-scale physical processes behind coronal mass ejection (CME)-driven geomagnetic storms and predict their intensity as a space weather forecasting measure, we develop an interplanetary CME flux rope-magnetosphere…

Solar and Stellar Astrophysics · Physics 2023-07-04 Souvik Roy , Dibyendu Nandy

Coronal mass ejections (CMEs) are massive solar eruptions, which have a significant impact on Earth. In this paper, we propose a new method, called DeepCME, to estimate two properties of CMEs, namely, CME mass and kinetic energy. Being able…

Solar and Stellar Astrophysics · Physics 2023-12-05 Khalid A. Alobaid , Yasser Abduallah , Jason T. L. Wang , Haimin Wang , Shen Fan , Jialiang Li , Huseyin Cavus , Vasyl Yurchyshyn

We present a transformer model, named DeepHalo, to predict the occurrence of halo coronal mass ejections (CMEs). Our model takes as input an active region (AR) and a profile, where the profile contains a time series of data samples in the…

One of the goals of Space Weather studies is to achieve a better understanding of impulsive phenomena, such as Coronal Mass Ejections (CMEs), in order to improve our ability to forecast them and mitigate the risk to our technologically…

Solar and Stellar Astrophysics · Physics 2024-02-21 R. Mugatwala , S. Chierichini , G. Francisco , G. Napoletano , R. Foldes , L. Giovannelli , G. De Gasperis , E. Camporeale , R. Erdélyi , D. Del Moro

Interacting coronal mass ejections (CMEs) result in complex heliospheric structures that can dramatically enhance their geoeffectiveness compared to isolated events. A striking example of such complex structures is that of the Mothers Day…

Solar and Stellar Astrophysics · Physics 2026-03-03 Shirsh Lata Soni , Anwesha Maharana , Sanchita Pal , Stefaan Poedts

We investigate how a weak coronal mass ejection (CME) launched on 2016 October 8 without obvious signatures in the low corona produced a relatively intense geomagnetic storm. Remote sensing observations from SDO, STEREO and SOHO and in situ…

Space Physics · Physics 2018-06-20 Wen He , Ying D. Liu , Huidong Hu , Rui Wang , Xiaowei Zhao

Space weather, driven by solar flares and Coronal Mass Ejections (CMEs), poses significant risks to technological systems. Accurately forecasting these events and their impact on Earth's magnetosphere remains a challenge because of the…

Solar and Stellar Astrophysics · Physics 2025-01-27 Sabrina Guastavino , Edoardo Legnaro , Anna Maria Massone , Michele Piana

The geo-effectiveness of Coronal Mass Ejections (CMEs) is a critical area of study in space weather, particularly in the lesser-explored domain of CME-CME interactions and their geomagnetic consequences. This study leverages the SWASTi…

Solar and Stellar Astrophysics · Physics 2024-10-01 Prateek Mayank , Stefan Lotz , Bhargav Vaidya , Wageesh Mishra , D. Chakrabarty

Solar eruptions, including flares and coronal mass ejections (CMEs), have a significant impact on Earth. Some flares are associated with CMEs, and some flares are not. The association between flares and CMEs is not always obvious. In this…

Coronal Mass Ejections (CMEs) are the primary source of strong space weather disturbances at Earth. Their geoeffectiveness is largely determined by their dynamic pressure and internal magnetic fields, for which reliable predictions at Earth…

Solar and Stellar Astrophysics · Physics 2019-06-26 Camilla Scolini , Luciano Rodriguez , Marilena Mierla , Jens Pomoell , Stefaan Poedts

The Sun constantly releases radiation and plasma into the heliosphere. Sporadically, the Sun launches solar eruptions such as flares and coronal mass ejections (CMEs). CMEs carry away a huge amount of mass and magnetic flux with them. An…

Solar and Stellar Astrophysics · Physics 2023-05-02 Khalid A. Alobaid , Jason T. L. Wang

Coronal Mass Ejections (CMEs) are arguably the most violent eruptions in the Solar System. CMEs can cause severe disturbances in the interplanetary space and even affect human activities in many respects, causing damages to infrastructure…

Solar and Stellar Astrophysics · Physics 2018-03-28 Jiajia Liu , Yudong Ye , Chenlong Shen , Yuming Wang , Robert Erdélyi

Solar coronal mass ejections (CMEs) can catch up and interact with preceding CMEs and solar wind structures to undergo rotation and deflection during their propagation. We aim to show how interactions undergone by a CME in the corona and…

Solar and Stellar Astrophysics · Physics 2023-07-12 Anwesha Maharana , Camilla Scolini , Brigitte Schmieder , Stefaan Poedts

We present the first real-time predictions of coronal mass ejection (CME) magnetic structure and resulting geomagnetic impact at Earth for two events using far-upstream observations from Solar Orbiter during March 2024. While our approach…

Coronal mass ejections (CMEs) are violent ejections of magnetized plasma from the Sun, which can trigger geomagnetic storms, endanger satellite operations and destroy electrical infrastructures on the Earth. After systematically searching…

Solar and Stellar Astrophysics · Physics 2023-08-09 Hong-peng Lu , Hui Tian , He-chao Chen , Yu Xu , Zhen-yong Hou , Xian-yong Bai , Guang-yu Tan , Zi-hao Yang , Jie Ren

Coronal mass ejections (CMEs) are large-scale expulsions of plasma and magnetic fields from the Sun into the heliosphere and are the most important driver of space weather. The geo-effectiveness of a CME is primarily determined by its…

Solar and Stellar Astrophysics · Physics 2023-10-26 Devojyoti Kansabanik
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