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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 a manifestation of the Sun's eruptive nature. They can have a great impact on Earth, but also on human activity in space and on the ground. Therefore, modelling their evolution as they propagate through…

Solar and Stellar Astrophysics · Physics 2021-08-04 E. Asvestari , J. Pomoell , E. Kilpua , S. Good , T. Chatzistergos , M. Temmer , E. Palmerio , S. Poedts , J. Magdalenic

Spheromak type flux ropes are increasingly used for modelling coronal mass ejections (CMEs). Many models aim in accurately reconstructing the magnetic field topology of CMEs, considering its importance in assessing their impact on modern…

Solar and Stellar Astrophysics · Physics 2022-08-31 Eleanna Asvestari , Tobias Rindlisbacher , Jens Pomoell , Emilia Kilpua

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

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

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

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

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

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 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

We report on an observationally constrained analytical model, the INterplanetary Flux ROpe Simulator (INFROS), for predicting the magnetic-field vectors of coronal mass ejections (CMEs) in the interplanetary medium. The main architecture of…

Solar and Stellar Astrophysics · Physics 2020-01-29 Ranadeep Sarkar , Nat Gopalswamy , Nandita Srivastava

The Flux Rope in 3D (FRi3D, Isavnin, 2016), a coronal mass ejection (CME) model with global three-dimensional (3D) geometry, has been implemented in the space weather forecasting tool EUHFORIA (Pomoell and Poedts, 2018). By incorporating…

Eruptions of filaments are defined by different parameters, specially, sigmoid handedness and direction of the eruption, which are important parameters for forecasting the geoeffectiveness of consequent interplanetary coronal mass ejection…

Solar and Stellar Astrophysics · Physics 2025-11-26 Brigitte Schmieder , Anwesha Maharana , Jin Han Guo , Luis Linan , Stefaan Poedts

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 propagation of Interplanetary Coronal Mass Ejections (ICMEs) in the heliosphere is influenced by many physical phenomena, related to the internal structure of the ICME and its interaction with the ambient solar wind and magnetic field.…

Solar and Stellar Astrophysics · Physics 2023-06-28 Barbara Perri , Brigitte Schmieder , Pascal Démoulin , Stefaan Poedts , Florian Regnault

Context. In the scope of space weather forecasting, it is crucial to be able to more reliably predict the arrival time, speed, and magnetic field configuration of coronal mass ejections (CMEs). From the time a CME is launched, the dominant…

Solar and Stellar Astrophysics · Physics 2023-09-28 K. Martinic , M. Dumbovic , J. Calogovic , B. Vrsnak , N. Al-Haddad , M. Temmer

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

Coronal mass ejections (CMEs) are the main driver of Space Weather. Therefore, a precise forecasting of their likely geo-effectiveness relies on an accurate tracking of their morphological and kinematical evolution throughout the…

Solar and Stellar Astrophysics · Physics 2015-06-18 T. Nieves-Chinchilla , A. Vourlidas , G. Stenborg , N. P. Savani , A. Koval , A. Szabo , L. K. Jian

Context. Coronal mass ejections (CMEs) are the main driver of solar wind disturbances near Earth. When directed towards us, the internal magnetic field of the CME can interact with the Earth`s magnetic field and cause geomagnetic storms. In…

Solar and Stellar Astrophysics · Physics 2024-02-07 Tinatin Baratashvili , Stefaan Poedts
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