English
Related papers

Related papers: Data-driven Modeling of a Coronal Magnetic Flux Ro…

200 papers

Filament eruptions and coronal mass ejections are physical phenomena related to magnetic flux ropes carrying electric current. A magnetic flux rope is a key structure for solar eruptions, and when it carries a southward magnetic field…

Solar and Stellar Astrophysics · Physics 2024-08-14 Brigitte Schmieder , Jinhan Guo , Stefaan Poedts

Solar energetic events are caused by the release of magnetic energy accumulated in the solar atmosphere. To understand their initiating physical mechanisms, the dynamics of the coronal magnetic fields must be studied. Unfortunately, the…

Solar and Stellar Astrophysics · Physics 2024-08-14 Yeongmin Kang , Takafumi Kaneko , K. D. Leka , Kanya Kusano

Magnetic flux ropes are characterized by coherently twisted magnetic field lines, which are ubiquitous in magnetized plasmas. As the core structure of various eruptive phenomena in the solar atmosphere, flux ropes hold the key to…

Solar and Stellar Astrophysics · Physics 2021-06-10 Rui Liu

Investigating the early-stage evolution of an erupting flux rope from the Sun is important to understand the mechanisms of how it looses its stability and its space weather impacts. Our aim is to develop an efficient scheme for tracking the…

Solar and Stellar Astrophysics · Physics 2023-09-13 Andreas Wagner , Emilia K. J. Kilpua , Ranadeep Sarkar , Daniel J. Price , Anshu Kumari , Farhad Daei , Jens Pomoell , Stefaan Poedts

Solar eruptions are the most powerful drivers of space weather. To understand their cause and nature, it is crucial to know how the coronal magnetic field evolves before eruption. Here we study the formation process of a relatively…

Solar and Stellar Astrophysics · Physics 2020-03-25 Wen He , Chaowei Jiang , Peng Zou , Aiying Duan , Xueshang Feng , Pingbing Zuo , Yi Wang

Magnetic flux ropes (MFRs) are fundamental magnetic structures in solar eruptions, whose formation is generally attributed to (1) the emergence of subsurface flux tubes or (2) flux cancellation driven by photospheric horizontal flows and…

Solar and Stellar Astrophysics · Physics 2025-12-17 Can Wang , Takaaki Yokoyama , Feng Chen , Chen Xing , Mingde Ding , Zekun Lu

The combination of magnetohydrodynamic (MHD) simulation and multi-wavelength observations is an effective way to study mechanisms of magnetic flux rope eruption. We develop a data-driven MHD model using the zero-$\beta$ approximation. The…

Solar and Stellar Astrophysics · Physics 2019-01-23 Yang Guo , Chun Xia , Rony Keppens , M. D. Ding , P. F. Chen

Formed through magnetic field shearing and reconnection in the solar corona, magnetic flux ropes are structures of twisted magnetic field, threaded along an axis. Their evolution and potential eruption are of great importance for space…

Solar and Stellar Astrophysics · Physics 2017-09-13 Chris Lowder , Anthony Yeates

Erupting magnetic flux ropes (MFRs) play a crucial role in producing solar flares. However, the formation of erupting MFRs in complex coronal magnetic configurations and their subsequent evolution in the flaring events are not fully…

Solar and Stellar Astrophysics · Physics 2023-08-30 Avijeet Prasad , Sanjay Kumar , Alphonse C. Sterling , Ronald L. Moore , Guillaume Aulanier , R. Bhattacharyya , Qiang Hu

Erupting flux ropes play crucial role in powering a wide range of solar transients, including flares, jets, and coronal mass ejections. These events are driven by the release of stored magnetic energy, facilitated by the shear in the…

Solar and Stellar Astrophysics · Physics 2025-11-19 Samrat Sen , Sushree S Nayak , Patrick Antolin

Magnetic flux ropes (MFRs) constitute the core structure of coronal mass ejections (CMEs), but hot debates remain on whether the MFR forms before or during solar eruptions. Furthermore, how flare reconnection shapes the erupting MFR is…

Solar and Stellar Astrophysics · Physics 2021-09-20 Chaowei Jiang , Jun Chen , Aiying Duan , Xinkai Bian , Xinyi Wang , Jiaying Li , Peng Zou , Xueshang Feng

Radiative magnetohydrodynamic simulation includes sufficiently realistic physics to allow for the synthesis of remote sensing observables that can be quantitatively compared with observations. We analyze the largest flare in a simulation of…

Solar and Stellar Astrophysics · Physics 2023-06-28 Feng Chen , Matthias Rempel , Yuhong Fan

Coronal mass ejections (CMEs) are powerful drivers of space weather, with magnetic flux ropes (MFRs) widely regarded as their primary precursors. However, the variation in reconnection flux during the evolution of MFR during CME eruptions…

Solar and Stellar Astrophysics · Physics 2026-04-16 Samriddhi Sankar Maity , Piyali Chatterjee , Ranadeep Sarkar , Ijas S. Mytheen

Aiming to capture the formation and eruption of flux ropes (FRs) in the source active regions (ARs), we simulate the coronal magnetic field evolution of the AR 11429 employing the time-dependent magneto-friction model (TMF). The initial…

Solar and Stellar Astrophysics · Physics 2024-09-24 P. Vemareddy

It is widely believed that magnetic flux ropes are the key structure of solar eruptions; however, their observable counterparts are not clear yet. We study a flare associated with flux rope eruption in a comprehensive radiative…

Solar and Stellar Astrophysics · Physics 2022-07-20 Can Wang , Feng Chen , Mingde Ding , Zekun Lu

We present an analysis of the formation of atmospheric flux ropes in a magnetohydrodynamic (MHD) solar flux emergence simulation. The simulation domain ranges from the top of the solar interior to the low corona. A twisted magnetic flux…

Solar and Stellar Astrophysics · Physics 2015-06-17 David MacTaggart , Andrew Haynes

Observations have shown a clear association of filament/prominence eruptions with the emergence of magnetic flux in or near filament channels. Magnetohydrodynamic (MHD) simulations have been employed to systematically study the conditions…

Solar and Stellar Astrophysics · Physics 2023-12-22 T. Török , M. G. Linton , J. E. Leake , Z. Mikić , R. Lionello , V. S. Titov , C. Downs

Context. Space weather and its potential negative consequences for life on Earth has received increasing attention in recent decades. Particularly predicting CME onset has become important from a security perspective. To predict CMEs, one…

Solar and Stellar Astrophysics · Physics 2026-02-25 Sondre Vik Furuseth , Guillaume Aulanier

It is widely accepted that coronal magnetic flux ropes are the core structures of large-scale solar eruptive activities, which inflict dramatic impacts on the solar-terrestrial system. Previous studies have demonstrated that varying…

Solar and Stellar Astrophysics · Physics 2021-11-24 Quanhao Zhang , Rui Liu , Yuming Wang , Xiaolei Li , Shaoyu Lyu

Three-dimensional magnetic topology is crucial to understanding the explosive release of magnetic energy in the corona during solar flares. Much attention has been given to the pre-flare magnetic topology to identify candidate sites of…

Solar and Stellar Astrophysics · Physics 2018-12-12 Chaowei Jiang , Peng Zou , Xueshang Feng , Qiang Hu , Rui Liu , P. Vemareddy , Aiying Duan , Pingbing Zuo , Yi Wang , Fengsi Wei
‹ Prev 1 2 3 10 Next ›