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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

Coronal Mass Ejections (CMEs) are large-scale eruptions from the Sun into interplanetary space. Despite being major space weather drivers, our knowledge of the CME properties in the inner heliosphere remains constrained by the scarcity of…

Solar and Stellar Astrophysics · Physics 2021-05-12 Camilla Scolini , Sergio Dasso , Luciano Rodriguez , Andrei N. Zhukov , Stefaan Poedts

Aims. We present the validation results for arrival times and geomagnetic impact of Coronal Mass Ejections (CMEs), using the cone and spheromak CME models implemented in EUropean Heliospheric FORecasting Information Asset (EUHFORIA).…

Coronal mass ejections (CMEs) are large scale eruptions observed close to the Sun. They are travelling through the heliosphere and possibly interacting with the Earth environment creating interruptions or even damaging new technology…

Solar and Stellar Astrophysics · Physics 2022-07-08 C. Verbeke , B. Schmieder , P. Démoulin , S. Dasso , B. Grison , E. Samara , C. Scolini , S. Poedts

Coronal mass ejections (CMEs) are complex magnetized plasma structures in which the magnetic field spirals around a central axis, forming what is known as a flux rope (FR). The central FR axis can be oriented at any angle to the ecliptic.…

Solar and Stellar Astrophysics · Physics 2024-08-28 Karmen Martinić , Eleanna Asvestari , Mateja Dumbović , Tobias Rindlisbacher , Manuela Temmer , Bojan Vršnak

Coronal Mass Ejections (CMEs) are one of the primary drivers of extreme space weather. They are large eruptions of mass and magnetic field from the solar corona and can travel the distance between Sun and Earth in half a day to a few days.…

Solar and Stellar Astrophysics · Physics 2020-05-13 Talwinder Singh , Mehmet S. Yalim , Nikolai V. Pogorelov , Nat Gopalswamy

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

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

A key challenge in space weather forecasting is accurately predicting the magnetic field topology of interplanetary coronal mass ejections (ICMEs), specifically the north-south magnetic field component (Bz) for Earth-directed CMEs.…

Solar and Stellar Astrophysics · Physics 2023-11-28 Ranadeep Sarkar , Jens Pomoell , Emilia Kilpua , Eleanna Asvestari , Nicolas Wijsen , Anwesha Maharana , Stefaan Poedts

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

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

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 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

Rising concerns about the impact of space weather-related disruptions demand modelling and reliable forecasting of coronal mass ejection (CME) impacts. In this study, we demonstrate the application of the modified Miller-Turner (mMT) model…

Space Physics · Physics 2024-11-13 Anwesha Maharana , Luis Linan , Stefaan Poedts , Jasmina Magdalenic

We model the energetic storm particle (ESP) event of 14 July 2012 using the energetic particle acceleration and transport model named PARADISE, together with the solar wind and coronal mass ejection (CME) model named EUHFORIA. The…

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

Solar Coronal mass ejections (CMEs) are large-scale ejections of plasma and magnetic field from the corona, which propagate through interplanetary space. CMEs are the most significant drivers of adverse space weather on Earth, but the…

Solar and Stellar Astrophysics · Physics 2012-10-22 Shane Maloney

The shape and dynamics of coronal mass ejections (CMEs) vary significantly based on the instrument and wavelength used. This has led to significant debate about the proper definitions of CME/shock fronts, pile-up/compression regions, and…

Solar and Stellar Astrophysics · Physics 2025-08-27 Oleg Stepanyuk , Kamen Kozarev

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

Coronal mass ejections (CMEs) are the largest type of eruptions on the Sun and the main driver of severe space weather at the Earth. In this study, we implement a force-free spheromak CME description within 3-D magnetohydrodynamic…

Solar and Stellar Astrophysics · Physics 2022-12-20 Gordon J. Koehn , Ravindra T. Desai , Emma E. Davies , Robert J. Forsyth , Jonathan P. Eastwood , Stefaan Poedts
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