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Coronal Mass Ejections (CMEs) are one of the main drivers of disturbances in the interplanetary space. Strong CMEs, when directed towards the Earth, cause geo-magnetic storms upon interacting with the magnetic field of the Earthand can…

Solar and Stellar Astrophysics · Physics 2022-11-24 Tinatin Baratashvili , Christine Verbeke , Nicolas Wijsen , Stefaan Poedts

Space weather predictions are necessary to avoid damage caused by intense geomagnetic storms. Such strong storms are usually caused by a co-rotating interaction region (CIR) passing at Earth or by the arrival of strong coronal mass…

Solar and Stellar Astrophysics · Physics 2025-01-28 Tinatin Baratashvili , Beatrice Popescu Braileanu , Fabio Bacchini , Rony Keppens , Stefaan Poedts

Investigating the heliospheric evolution and consequences of Coronal mass ejections (CMEs) is critical to understanding the solar-terrestrial relationship. For the first time, Heliospheric Imagers (HIs) onboard STEREO, providing multiple…

Solar and Stellar Astrophysics · Physics 2022-04-22 Wageesh Mishra

Coronal Mass Ejections (CMEs) are subject to changes in their direction of propagation, tilt, and other properties as they interact with the variable solar wind. We investigated the heliospheric propagation of 15 Earth-impacting CMEs…

Solar and Stellar Astrophysics · Physics 2024-11-05 Sandeep Kumar , Nandita Srivastava , Nat Gopalswamy , Ashutosh Dash

Coronal mass ejections (CMEs) are solar eruptions into interplanetary space of as much as a few billion tons of plasma, with embedded magnetic fields from the Sun's corona. These perturbations play a very important role in…

Astrophysics · Physics 2009-11-13 L. Hernandez-Cervantes , A. Santillan , A. R. Gonzalez-Ponce

Coronal mass ejections (CMEs) are the main drivers of disturbances in the solar heliosphere because they propagate and interact with the magnetic field of the solar wind. It is crucial to investigate the evolution of CMEs and their…

Solar and Stellar Astrophysics · Physics 2025-11-11 Tinatin Baratashvili , Emma Davies , Eva Weiler , Brigitte Schmieder , Pascal Démoulin , Stefaan Poedts

The interaction of multiple Coronal Mass Ejections (CMEs) has been observed by LASCO coronagraphs and by near-Earth spacecraft, and it is thought to be an important cause of geo-effective storms, large Solar Energetic Particles events and…

Space Physics · Physics 2008-08-29 N. Lugaz , W. B. Manchester , I. I. Roussev , T. I. Gombosi

Coronal Mass Ejections (CMEs) are the main drivers of the disturbances in interplanetary space. Understanding the CME interior magnetic structure is crucial for advancing space weather studies. Assessing the capabilities of a numerical…

Solar and Stellar Astrophysics · Physics 2024-09-11 Tinatin Baratashvili , Benjamin Grison , Brigitte Schmieder , Pascal Demoulin , Stefaan Poedts

The magnetic fields of interplanetary coronal mass ejections (ICMEs), which originate close to the Sun in the form of a flux rope, determine their geoeffectiveness. Therefore, robust flux rope-based models of CMEs are required to perform…

Space Physics · Physics 2020-06-24 Talwinder Singh , Tae K. Kim , Nikolai V. Pogorelov , Charles N. Arge

Solar coronal mass ejections (CMEs) are large-scale eruptions of plasma and magnetic field from the Sun into the corona and interplanetary space. They are the most significant drivers of adverse space weather at Earth and other locations in…

Solar and Stellar Astrophysics · Physics 2012-02-20 Jason P. Byrne

Numerical models of the solar wind and coronal mass ejections (CMEs) utilize photospheric magnetic field observations to prescribe the inner boundary conditions for the plasma solutions. These magnetic field data are available to the…

Solar and Stellar Astrophysics · Physics 2026-02-03 Nishtha Sachdeva , Zhenguang Huang , Gabor Toth , Hongfan Chen , Ward B. Manchester , Bart van der Holst

Forecasting the in situ properties of coronal mass ejections (CMEs) from remote images is expected to strongly enhance predictions of space weather, and is of general interest for studying the interaction of CMEs with planetary…

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

Coronal Mass Ejections (CMEs) are energetic storms in the Sun that result in the ejection of large-scale magnetic clouds (MCs) in interplanetary space that contain enhanced magnetic fields with coherently changing field direction. The…

Solar and Stellar Astrophysics · Physics 2022-11-09 Sanchita Pal , Dibyendu Nandy , Emilia K J Kilpua

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

The familiar correlation between the speed and angular width of coronal mass ejections (CMEs) is also found in solar cycle 24, but the regression line has a larger slope: for a given CME speed, cycle 24 CMEs are significantly wider than…

Solar and Stellar Astrophysics · Physics 2014-08-18 Nat Gopalswamy , Sachiko Akiyama , Seiji Yashiro , Hong Xie , Pertti Mäkelä , Grzegorz Michalek

A recent third-order, essentially non-oscillatory central scheme to advance the equations of single-fluid magnetohydrodynamics (MHD) in time has been implemented into a new numerical code. This code operates on a 3-D Cartesian,…

Solar and Stellar Astrophysics · Physics 2012-04-18 Jens Kleimann , Andreas Kopp , Horst Fichtner , Rainer Grauer

Coronal mass ejections (CMEs) are large-scale eruptions of plasma and magnetic feld that can produce adverse space weather at Earth and other locations in the Heliosphere. Due to the intrinsic multiscale nature of features in coronagraph…

Solar and Stellar Astrophysics · Physics 2011-04-25 Peter T. Gallagher , C. Alex Young , Jason P. Byrne , R. T. James McAteer

Coronal mass ejections (CMEs), which dynamically connect the solar surface to the far reaches of interplanetary space, represent a major anifestation of solar activity. They are not only of principal interest but also play a pivotal role in…

Solar and Stellar Astrophysics · Physics 2015-03-09 Jens Kleimann

Coronal Mass Ejections (CMEs) are immense eruptions of plasma and magnetic fields that are propelled outward from the Sun, sometimes with velocities greater than 2000 km/s. They are responsible for some of the most severe space weather at…

Solar and Stellar Astrophysics · Physics 2023-11-08 Jon Linker , Tibor Torok , Cooper Downs , Ronald Caplan , Viacheslav Titov , Andres Reyes , Roberto Lionello , Pete Riley
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