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Coronal mass ejections (CMEs) are large eruptions from the Sun that propagate through the heliosphere after launch. Observational studies of these transient phenomena are usually based on 2D images of the Sun, corona, and heliosphere…

Solar eruptive events such as coronal mass ejections and eruptive flares are frequently associated with the emergence of magnetic flux from the convection zone into the corona. We use three dimensional magnetohydrodynamic numerical…

Solar and Stellar Astrophysics · Physics 2022-07-27 James Leake , Mark Linton , Spiro Antiochos

The solar surface and atmosphere are highly dynamic plasma environments, which evolve over a wide range of temporal and spatial scales. Large-scale eruptions, such as coronal mass ejections, can be accelerated to millions of kilometres per…

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

Solar transients and eruptive phenomena which are ubiquitous in the solar atmosphere, can shed new light to the understanding of the outstanding problems like coronal heating and the solar wind acceleration. Observations in the entire…

Solar and Stellar Astrophysics · Physics 2011-10-05 Abhishek K. Srivastava , V. M. Nakariakov , B. N. Dwivedi , Pankaj Kumar

The topology and dynamics of the three-dimensional magnetic field in the solar atmosphere govern various solar eruptive phenomena and activities, such as flares, coronal mass ejections, and filaments/prominences. We have to observe and…

Solar and Stellar Astrophysics · Physics 2017-06-20 Yang Guo , Xin Cheng , M. D. Ding

It is widely accepted that solar flares involve release of magnetic energy stored in the solar corona above an active region, but existing models do not include the explicitly time-dependent electrodynamics needed to describe such energy…

Solar and Stellar Astrophysics · Physics 2019-06-26 D. B. Melrose

Strong solar flares and coronal mass ejections (CMEs) are prone to originate within and near active regions (ARs) with a high magnetic complexity. Therefore, to better understand the generation mechanism of flares and the resultant CME…

Solar and Stellar Astrophysics · Physics 2024-09-26 Shin Toriumi

The capability to predict the parameters of an SEP event such as its onset, peak flux, and duration is critical to assessing any potential space weather impact. We present a new flexible modelling system simulating the propagation of Solar…

Solar and Stellar Astrophysics · Physics 2015-06-01 M. S. Marsh , S. Dalla , M. Dierckxsens , T. Laitinen , N. B. Crosby

Solar flares and coronal mass ejections (CMEs) are the most powerful explosions in the Sun. They are major sources of potentially destructive space weather conditions. However, the possible causes of their initiation remain controversial.…

Solar and Stellar Astrophysics · Physics 2017-08-16 X. L. Yan , C. W. Jiang , Z. K. Xue , J. C. Wang , E. R. Priest , L. H. Yang , D. F. Kong , W. D. Cao , H. S. Ji

Solar flares are due to the catastrophic release of magnetic energy in the Sun's corona, resulting in plasma heating, mass motions, particle acceleration, and radiation emitted from radio to $\gamma$-ray wavelengths. They are associated…

Solar and Stellar Astrophysics · Physics 2018-10-16 Dale E. Gary , Timothy S. Bastian , Bin Chen , Gregory D. Fleishman , Lindsay Glesener

Flares, sometimes accompanied by coronal mass ejections (CMEs), are the result of sudden changes in the magnetic field of stars with high energy release through magnetic reconnection, which can be observed across a wide range of the…

Determining the mechanisms responsible for the heating of the coronal plasma and maintaining and accelerating the solar wind are long standing goals in solar physics. There is a clear need to constrain the energy, mass and momentum flux…

Solar and Stellar Astrophysics · Physics 2016-11-21 R. J. Morton , E. Scullion , D. S. Bloomfield , J. A. McLaughlin , S. Regnier , S. W. McIntosh , S. Tomczyk , P. Young

The formation of the MFRs in the pre-flare stage, and how this leads to coronal rain in a post-eruption magnetic loop is not fully understood. We explore the formation, and eruption of MFRs, followed by the appearance of coronal rain in the…

Solar and Stellar Astrophysics · Physics 2024-08-07 Samrat Sen , Avijeet Prasad , Valeriia Liakh , Rony Keppens

Solar eruptive events, like flares and coronal mass ejections, are characterized by the rapid release of energy that can give rise to emission of radiation across the entire electromagnetic spectrum and to an abrupt significant increase in…

Modeling and predicting solar events, particularly the solar ramping event, is critical for improving situational awareness for solar power generation systems. It has been acknowledged that weather conditions such as temperature, humidity,…

Applications · Statistics 2022-06-20 Minghe Zhang , Chen Xu , Andy Sun , Feng Qiu , Yao Xie

Solar energetic particles are a result of intense solar events such as solar flares and Coronal Mass Ejections (CMEs). These latter events all together can cause major disruptions to spacecraft that are in Earth's orbit and outside of the…

Solar and Stellar Astrophysics · Physics 2017-12-13 Soukaina Filali Boubrahimi , Berkay Aydin , Petrus Martens , Rafal Angryk

Solar Energetic Particles (SEP) are an integral part of the physical processes related with Space Weather. We present a review for the acceleration mechanisms related to the explosive phenomena (flares and/or CMEs) inside the solar corona.…

High Energy Astrophysical Phenomena · Physics 2019-06-12 Loukas Vlahos , Anastasios Anastasiadis , Athanasios Papaioannou , Athanasios Kouloumvakos , Heinz Isliker

The issue of predicting solar flares is one of the most fundamental in physics, addressing issues of plasma physics, high-energy physics, and modelling of complex systems. It also poses societal consequences, with our ever-increasing need…

Solar and Stellar Astrophysics · Physics 2014-11-20 R. T. James McAteer , Peter T. Gallagher , Paul A. Conlon

The explosion of space weather research since the early 1990s has been partly fueled by the unprecedented, uniform, and extended observations of solar disturbances from space and ground based instruments. Coronal mass ejections (CMEs) from…

Solar and Stellar Astrophysics · Physics 2022-11-15 Nat Gopalswamy
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