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Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather predictions has expanded to include impacts at other planets…

Interplanetary scintillation (IPS) is a useful tool for detecting coronal mass ejections (CMEs) throughout interplanetary space. Global magnetohydrodynamic (MHD) simulations of the heliosphere, which are usually used to predict the arrival…

Solar and Stellar Astrophysics · Physics 2022-09-27 Kazumasa Iwai , Richard A. Fallows , Mario M. Bisi , Daikou Shiota , Bernard V. Jackson , Munetoshi Tokumaru , Ken'ichi Fujiki

We investigate the Sun-Earth dynamics of a set of 38 well-observed Coronal Mass Ejections(CMEs) using data from the STEREO, SOHO missions and WIND instrument. We seek to quantify the relative contributions of Lorentz force and aerodynamic…

Solar and Stellar Astrophysics · Physics 2019-07-31 Nishtha Sachdeva

Interplanetary coronal mass ejections (ICMEs) have complex magnetic and density structures, which is the result of their interaction with the structured solar wind and with previous eruptions. ICMEs are revealed by in situ measurements and…

Solar and Stellar Astrophysics · Physics 2011-06-06 N. Lugaz , I. I. Roussev

Eruptions of coronal mass ejections (CMEs) from the Sun are usually associated with a number of signatures that can be identified in solar disc imagery. However, there are cases in which a CME that is well observed in coronagraph data is…

In-situ measurements carried out by spacecraft in radial alignment are critical to advance our knowledge on the evolutionary behavior of coronal mass ejections (CMEs) and their magnetic structures during propagation through interplanetary…

Solar and Stellar Astrophysics · Physics 2021-08-11 Camilla Scolini , Reka M. Winslow , Noé Lugaz , Stefaan Poedts

Understanding and predicting the structure and evolution of coronal mass ejections (CMEs) in the heliosphere remains one of the most sought-after goals in heliophysics and space weather research. A powerful tool for improving current…

Coronal mass ejections (CMEs) are more energetic than any other class of solar phenomena. They arise from the rapid release of up to $10^{33}$ erg of magnetic energy mainly in the form of particle acceleration and bulk plasma motion. Their…

Solar and Stellar Astrophysics · Physics 2022-05-25 Julián D. Alvarado-Gómez , Jeremy J. Drake , Ofer Cohen , Federico Fraschetti , Cecilia Garraffo , Katja Poppenhäger

Coronal mass ejections (CMEs) are solar eruptions of plasma and magnetic fields that significantly impact Space Weather, causing disruptions in technological systems and potential damage to power grids when directed towards Earth.…

Solar and Stellar Astrophysics · Physics 2024-10-07 Shantanu Jain , Tatiana Podladchikova , Galina Chikunova , Karin Dissauer , Astrid M. Veronig

A method for the full three-dimensional (3-D) reconstruction of the trajectories of coronal mass ejections (CMEs) using Solar TErrestrial RElations Observatory (STEREO) data is presented. Four CMEs that were simultaneously observed by the…

Solar and Stellar Astrophysics · Physics 2009-05-14 Shane A. Maloney , Peter T. Gallagher , R. T. James McAteer

Coronal mass ejections (CMEs), as crucial drivers of space weather, necessitate a comprehensive understanding of their initiation and evolution in the solar corona, in order to better predict their propagation. Solar Cycle 24 exhibited…

Solar and Stellar Astrophysics · Physics 2025-08-20 Nitin Vashishtha , Vaibhav Pant , Dana-Camelia Talpeanu , Dipankar Banerjee , Shantanu Rastogi

Coronal mass ejections (CMEs) and other solar eruptive phenomena can be physically linked by combining data from a multitude of ground-based and space-based instruments alongside models, however this can be challenging for automated…

Understanding the propagation of coronal mass ejections (CMEs) through interplanetary space is essential for space weather forecasting. Due to observational limitations, measurements of the photospheric polar magnetic fields remain highly…

Solar and Stellar Astrophysics · Physics 2026-03-06 Xiao Zhang , Liping Yang , Xueshang Feng , Hui Tian , Mengxuan Ma , Fang Shen , Jiansen He , Man Zhang , Yufen Zhou , Ziwei Wang , Xinyi Ma , Wangning Zhang

Simulating coronal mass ejections (CMEs) from their origin in active regions (ARs) to their propagation to Earth remains challenging, particularly when aiming to resolve AR scales and employ realistic magnetic field strengths without…

Solar and Stellar Astrophysics · Physics 2026-05-08 Chaowei Jiang , Xueshang Feng , Liping Yang , Huichao Li , Jinhan Guo , Pingbing Zuo , Yi Wang

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…

Many questions must be answered before understanding the relationship between the emerging magnetic flux through the solar surface and the extreme geoeffective events. The main ingredients for getting X-ray class flares and large…

Solar and Stellar Astrophysics · Physics 2025-09-22 Brigitte Schmieder , Jinhan Guo , Guillaume Aulanier , Anwesha Maharana , Stefaan Poedts

Solar coronal mass ejections (CMEs) are the most significant drivers of adverse space weather at Earth, but the physics governing their propagation through the heliosphere is not well understood. While stereoscopic imaging of CMEs with the…

Solar and Stellar Astrophysics · Physics 2010-11-15 Jason P. Byrne , Shane A. Maloney , R. T. James McAteer , Jose M. Refojo , Peter T. Gallagher

Loss of equilibrium of magnetic flux ropes is a leading candidate for the origin of solar coronal mass ejections (CMEs). The aim of this paper is to explore to what extent this mechanism can account for the initiation of CMEs in the global…

Solar and Stellar Astrophysics · Physics 2011-02-11 A. R. Yeates , D. H. Mackay

Modeling the solar atmosphere is challenging due to its layered structure and multi-scale dynamics. We aim to validate the new radiative MHD code MAGEC, which combines the MANCHA and MAGNUS codes into a finite-volume, shock-capturing…

Solar and Stellar Astrophysics · Physics 2025-11-10 Anamaría Navarro , E. Khomenko , N. Vitas , T. Felipe

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