English
Related papers

Related papers: Extended Drag-Based Model for better predicting th…

200 papers

Coronal jets are transient, collimated eruptions that occur in regions of predominantly open magnetic field in the solar corona. Our understanding of these events has greatly evolved in recent years but several open questions, such as the…

Solar and Stellar Astrophysics · Physics 2015-12-01 T. Torok , R. Lionello , V. S. Titov , J. E. Leake , Z. Mikic , J. A. Linker , M. G. Linton

We present the first real-time predictions of coronal mass ejection (CME) magnetic structure and resulting geomagnetic impact at Earth for two events using far-upstream observations from Solar Orbiter during March 2024. While our approach…

Coronal mass ejections (CMEs) are powered by magnetic energy stored in electric currents in coronal magnetic fields, with the pre-CME field in balance between outward magnetic pressure of the proto-ejecta and inward magnetic tension from…

Solar and Stellar Astrophysics · Physics 2012-11-21 J. Suzuki , B. T. Welsch , Y. Li

Prediction of the effects of coronal mass ejections (CMEs) on Earth strongly depends on knowledge of the interplanetary magnetic field southward component, Bz. Predicting the strength and duration of Bz inside a CME with sufficient accuracy…

Space Physics · Physics 2016-12-28 M. Kubicka , C. Möstl , T. Amerstorfer , P. D. Boakes , L. Feng , J. P. Eastwood , O. Tormanen

Coronal mass ejections (CMEs) are the primary drivers of adverse space-weather events, yet their initiation and onset prediction remain insufficiently understood due to the complexity of the magnetic topology and physical processes in real…

Solar and Stellar Astrophysics · Physics 2026-02-13 J. H. Guo , S. Poedts , B. Schmieder , Y. Guo , C. Zhou , H. Wu , Y. W. Ni , Z. Zhong , Y. H. Zhou , S. H. Li , P. F. Chen

The mass evolution of a coronal mass ejection (CME) is an important parameter characterizing the drag force acting on a CME as it propagates through interplanetary space. Spacecraft measure in-situ plasma densities of CMEs during crossing…

Solar and Stellar Astrophysics · Physics 2019-04-26 L. Holzknecht , M. Temmer , M. Dumbovic , S. Wellenzohn , K. Krikova , S. G. Heinemann , M. Rodari , B. Vrsnak , A. M. Veronig

We carry out a numerical simulation depicting the effects of a Coronal Mass Ejection (CME) event on a close-in giant planet in an extrasolar system. We drive the CME in a similar manner as in simulations of space weather events on Earth.…

Solar and Stellar Astrophysics · Physics 2015-05-27 O. Cohen , V. L. Kashyap , J. J. Drake , I. V. Sokolov , T. I. Gombosi

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

Understanding coronal mass ejection (CME) energetics and dynamics has been a long-standing problem, and although previous observational estimates have been made, such studies have been hindered by large uncertainties in CME mass. Here, the…

Solar and Stellar Astrophysics · Physics 2015-06-04 Eoin P. Carley , R. T. James McAteer , Peter T. Gallagher

Coronal mass ejections (CMEs) represent one type of the major eruption from the Sun. Their interplanetary counterparts, the interplanetary CMEs (ICMEs), are the direct manifestations of these structures when they propagate into the…

Solar and Stellar Astrophysics · Physics 2021-07-06 Qiang Hu , Wen He , Lingling Zhao , Edward Lu

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

Motivated by the need to improve the ability to forecast whether a certain coronal mass ejection (CME) is to impact Earth, and by the insufficiency of statistical studies that analyze the whole erupting system with the focus on the…

Solar and Stellar Astrophysics · Physics 2020-10-21 M. V. Sieyra , M. Cécere , H. Cremades , F. A. Iglesias , A. Sahade , M. Mierla , G. Stenborg , A. Costa , M. West , E. D'Huys

The coronal magnetic field directly or indirectly affects a majority of the phenomena studied in space physics. It provides energy for coronal heating, controls the release of coronal mass ejections (CMEs), and drives heliospheric and…

Solar and Stellar Astrophysics · Physics 2016-04-13 Shaela I. Jones , Joseph M. Davila , Vadim M. Uritsky

Aims. The magnetic field of coronal mass ejections (CMEs) determines their structure, evolution, and energetics, as well as their geoeffectiveness. However, we currently lack routine diagnostics of the near-Sun CME magnetic field, which is…

Solar and Stellar Astrophysics · Physics 2016-09-02 S. Patsourakos , M. K. Georgoulis

Coronal mass ejections (CMEs) are large-scale expulsions of plasma and magnetic fields from the Sun into the heliosphere and are the most important driver of space weather. The geo-effectiveness of a CME is primarily determined by its…

Solar and Stellar Astrophysics · Physics 2023-10-26 Devojyoti Kansabanik

Understanding the early evolution of coronal mass ejections (CMEs), in particular their initiation, is the key to forecasting solar eruptions and induced disastrous space weather. Although many initiation mechanisms have been proposed, a…

Solar and Stellar Astrophysics · Physics 2024-02-27 Chen Xing , Guillaume Aulanier , Xin Cheng , Chun Xia , Mingde Ding

Stellar coronal mass ejections (CMEs) may play an important role in mass- and angular momentum loss of young Sun-like stars. If occurring frequently, they may also have a strong effect on planetary evolution by increasing atmospheric…

Solar and Stellar Astrophysics · Physics 2017-09-21 P. Odert , M. Leitzinger , A. Hanslmeier , H. Lammer

Predicting the effects of a coronal mass ejection (CME) impact requires knowing if impact will occur, which part of the CME impacts, and its magnetic properties. We explore the relation between CME deflections and rotations, which change…

Space Physics · Physics 2018-01-31 C. Kay , N. Gopalswamy

Coronal mass ejections (CMEs) are the main drivers of geomagnetic disturbances, but the effects of their interaction with Earth's magnetic field depend on their magnetic configuration and orientation. Fitting and reconstruction techniques…

Widespread solar energetic particle (SEP) events remain poorly understood phenomena in space weather. These events are often linked to coronal mass ejections (CMEs) and their shocks, but the mechanisms governing their global particle…

Space Physics · Physics 2025-07-02 N. Wijsen , I. C. Jebaraj , N. Dresing , A. Kouloumvakos , E. Palmerio , L. Rodríguez-García