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The Solar TErrestrial RElations Observatory (STEREO) and its heliospheric imagers (HI) have provided us the possibility to enhance our understanding of the interplanetary propagation of coronal mass ejections (CMEs). HI-based methods are…

Solar and Stellar Astrophysics · Physics 2018-11-14 T. Amerstorfer , C. Möstl , P. Hess , M. Temmer , M. L. Mays , M. Reiss , P. Lowrance , Ph. -A. Bourdin

Interplanetary imagers provide 2D projected views of the densest plasma parts of interplanetary coronal mass ejections (ICMEs) while in situ measurements provide magnetic field and plasma parameter measurements along the spacecraft…

Solar and Stellar Astrophysics · Physics 2016-10-26 P. Démoulin , M. Janvier , J. J. Masías-Meza , S. Dasso

The prediction of the arrival time and transit speed of CMEs near the Earth is one of the key problems in understanding the solar terrestrial relationship. Although, STEREO observations now provide a multiple view of CMEs in the…

Solar and Stellar Astrophysics · Physics 2014-02-17 Wageesh Mishra , Nandita Srivastava

The Time-of-Arrival (ToA) of coronal mass ejections (CME) at Earth is a key parameter due to the space weather phenomena associated with the CME arrival, such as intense geomagnetic storms. Despite the incremental use of new instrumentation…

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

Slowly rotating magnetic massive stars develop "dynamical magnetospheres" (DM's), characterized by trapping of stellar wind outflow in closed magnetic loops, shock heating from collision of the upflow from opposite loop footpoints, and…

Solar and Stellar Astrophysics · Physics 2016-09-07 Stanley P. Owocki , Asif ud-Doula , Jon O. Sundqvist , Veronique Petit , David H. Cohen , Richard H. D. Townsend

This article presents the data-driven equation-free modeling of the dynamics of a hexafloat floating offshore wind turbine based on the application of dynamic mode decomposition (DMD). All the analyses are performed on experimental data…

Machine Learning · Computer Science 2025-02-18 Giorgio Palma , Andrea Bardazzi , Alessia Lucarelli , Chiara Pilloton , Andrea Serani , Claudio Lugni , Matteo Diez

We present a first-principles-based coronal mass ejection (CME) model suitable for both scientific and operational purposes by combining a global magnetohydrodynamics (MHD) solar wind model with a flux rope-driven CME model. Realistic CME…

Solar and Stellar Astrophysics · Physics 2017-01-18 M. Jin , W. B. Manchester , B. van der Holst , I. Sokolov , G. Toth , R. E. Mullinix , A. Taktakishvili , A. Chulaki , T. I. Gombosi

Understanding and forecasting the geoeffectiveness of a coronal mass ejection (CME) is crucial for protecting infrastructure in the near-Earth space environment and on Earth. In this study, we present a novel fusion model to forecast the…

Solar and Stellar Astrophysics · Physics 2026-05-26 Zhaoxin Yan , Jason T. L. Wang , Haimin Wang , Harim Lee , Ju Jing , Yan Xu , Chunhui Xu , Vasyl Yurchyshyn

Earth System Models (ESMs) are essential for understanding the interaction between human activities and the Earth's climate. However, the computational demands of ESMs often limit the number of simulations that can be run, hindering the…

Atmospheric and Oceanic Physics · Physics 2024-09-19 Seth Bassetti , Brian Hutchinson , Claudia Tebaldi , Ben Kravitz

Predicting transit times of Coronal Mass Ejections (CMEs) from their initial parameters is a very important subject, not only from the scientific perspective, but also because CMEs represent a hazard for human technology. We used a neural…

Solar and Stellar Astrophysics · Physics 2016-08-06 D. Sudar , B. Vršnak , M. Dumbović

Accurate forecasting of the arrival time and subsequent geomagnetic impacts of Coronal Mass Ejections (CMEs) at Earth is an important objective for space weather forecasting agencies. Recently, the CME Arrival and Impact working team has…

Solar and Stellar Astrophysics · Physics 2019-03-27 C. Verbeke , M. L. Mays , M. Temmer , S. Bingham , R. Steenburgh , M. Dumbović , M. Núñez , L. K. Jian , P. Hess , C. Wiegand , A. Taktakishvili , J. Andries

Propagation of interplanetary (IP) shocks, particularly those driven by coronal mass ejections (CMEs), is still an outstanding question in heliophysics and space weather forecasting. Here we address effects of the ambient solar wind on the…

Solar and Stellar Astrophysics · Physics 2024-11-04 Chin-Chun Wu , Kan Liou , Brian E. Wood , Lynn Hutting

We present the study of two solar eruptive events observed on December 7 2020 and October 28 2021.Both events were associated with full halo CMEs and flares.These events were chosen because they show a strong non-radial direction of…

Solar and Stellar Astrophysics · Physics 2024-07-25 Angelos Valentino , Jasmina Magdalenic

Coronal mass ejections (CMEs) are large eruptions from the Sun that propagate through the heliosphere after launch. Observational studies of these transient phenomena are usually based on 2D images of the Sun, corona, and heliosphere…

Being able to accurately predict the arrival of coronal mass ejections (CMEs) at Earth has been a long-standing problem in space weather research and operations. In this study, we use the ELlipse Evolution model based on Heliospheric Images…

The May 10, 2024 space weather event stands out as the most powerful storm recorded during the current solar cycle. This study employs a numerical framework utilizing a semi-empirical coronal model, along with HUXt (Heliospheric Upwind…

Space Physics · Physics 2024-11-14 Smitha V. Thampi , Ankush Bhaskar , Prateek Mayank , Bhargav Vaidya , Indu Venugopal

We have deluge of data in time series format for numerous phenomena. The number of snapshots, resolution and many other factors come into play as we look to identify the dynamics in a given problem. The pre-processing and post-processing…

Signal Processing · Electrical Eng. & Systems 2020-01-13 Mohammad N. Murshed , M. Monir Uddin

In this paper, ten CME events viewed by the STEREO twin spacecraft are analyzed to study the deflections of CMEs during their propagation in the corona. Based on the three-dimensional information of the CMEs derived by the graduated…

Solar and Stellar Astrophysics · Physics 2012-01-04 Bin Gui , Chenglong Shen , Yuming Wang , Pinzhong Ye , Jiajia Liu , Shui Wang , Xuepu Zhao

This study addresses the limitations of single-viewpoint observations of Coronal Mass Ejections (CMEs) by presenting results from a 3D catalog of 360 CMEs during solar cycle 24, fitted using the GCS model. The dataset combines 326…

Solar and Stellar Astrophysics · Physics 2024-02-21 Harshita Gandhi , Ritesh Patel , Vaibhav Pant , Satabdwa Majumdar , Sanchita Pal , Dipankar Banerjee , Huw Morgan