Simultaneous observation of a flux rope eruption and magnetic reconnection during an X-class solar flare

Abstract

In this letter, we present a spectacular eruptive flare (X8.2) associated with a coronal mass ejection (CME) on 2017 September 10 at the west limb of the Sun. A flux rope eruption is followed by the inflow, the formation of a current sheet and a cusp structure, which were simultaneously observed during the occurrence of this flare. The hierarchical layers of the cusp-shaped structure are well observed in 131 Å observation. The scenario that can be created from these observations is very consistent with the predictions of some eruptive models. Except for the characteristics mentioned above in the process of the flare predicted by classical eruption models, the current sheet separating into several small current sheets is also observed at the final stage of the flux rope eruption. The quantitative calculation of the velocities and accelerations of the inflow, hot cusp structure, and post-flare loops is presented. The width of the current sheet is estimated to be about 3 $\times$ $10^3$ km. These observations are very useful to understand the process of solar eruptions.

16 pages, 5 figures, accepted for publication in ApJL

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Cited by in corpus (62)

• Flare-productive active regions
• Microwave and Hard X-Ray Observations of the 2017 September 10 Solar Limb Flare
• Measurement of magnetic field and relativistic electrons along a solar flare current sheet
• Observations of Turbulent Magnetic Reconnection Within a Solar Current Sheet
• Genesis and impulsive evolution of the 2017 September 10 coronal mass ejection
• Magnetic Flux Ropes in the Solar Corona: Structure and Evolution toward Eruption
• Eruption of a multi-flux-rope system in solar active region 12673 leading to the two largest flares in Solar Cycle 24
• Magnetic Reconnection During the Post-Impulsive Phase of a Long-Duration Solar Flare: Bi-Directional Outflows as a Cause of Microwave and X-ray Bursts
• Microwave Spectral Imaging of an Erupting Magnetic Flux Rope: Implications for the Standard Solar Flare Model in Three Dimensions
• Fermi-LAT observations of the 2017 September 10${}^{th}$ solar flare
• Broad Non-Gaussian Fe XXIV Line Profiles in the Impulsive Phase of the 2017 September 10 X8.3 class Flare Observed by Hinode/EIS
• Coronal condensations caused by magnetic reconnection between solar coronal loops
• A Truly Global Extreme Ultraviolet Wave from the SOL2017-09-10 X8.2+ Solar Flare-Coronal Mass Ejection
• Witnessing tether-cutting reconnection at the onset of a partial eruption
• Hot Plasma Flows and Oscillations in the Loop-top Region During the September 10 2017 X8.2 Solar Flare
• Triggering mechanism and material transfer of a failed solar filament eruption
• On the observations of rapid forced reconnection in the solar corona
• Quasi-periodic Fast Propagating Magnetoacoustic Waves during the Magnetic Reconnection Between Solar Coronal Loops
• Non-equilibrium Flux Rope Formation by Confined Flares Preceding a Solar Coronal Mass Ejection
• Quasi-periodic pulsations of gamma-ray emissions from a solar flare on 2017 September 06
• Energetic Electron Distribution of the Coronal Acceleration Region: First results from Joint Microwave and Hard X-ray Imaging Spectroscopy
• Solar Eruptions, Forbush Decreases and Geomagnetic Disturbances from Outstanding Active Region 12673
• Geometry, Kinematics and Heliospheric Impact of a Large CME-driven Shock in 2017 September
• Observation of a reversal of breakout reconnection preceding a jet: evidence of oscillatory magnetic reconnection?
• Modeling Electron Acceleration and Transport in the Early Impulsive Phase of the 2017 September 10 Solar Flare
• Statistical Study of Plasmoids associated with post-CME Current Sheet
• Exploring Plasma Heating in the Current Sheet Region in a Three-Dimensional Coronal Mass Ejection Simulation
• Transverse Coronal-Loop Oscillations Induced by the Non-radial Eruption of a Magnetic Flux Rope
• Vertical oscillation of a coronal cavity triggered by an EUV wave
• First detection of transverse vertical oscillation during the expansion of coronal loops
• Spectroscopic and imaging observations of small-scale reconnection events
• Spectroscopic observations of a flare-related coronal jet
• Spectroscopic and Stereoscopic Observations of the Solar Jets
• The Structure of Solar Coronal Mass Ejections in the Extreme-Ultraviolet Passbands
• Detections of Multi-Periodic Oscillations during a Circular Ribbon Flare
• Effects of Coronal Density and Magnetic Field Distributions on a Global Solar EUV Wave
• A revised cone model and its application to non-radial prominence eruptions
• An Observational Study of a "Rosetta-Stone" Solar Eruption
• Observational Evidence of Magnetic Reconnection Associated with Magnetic Flux Cancellation
• Formation of solar quiescent coronal loops through magnetic reconnection in an emerging active region
• Relation of coronal rain originating from coronal condensations to interchange magnetic reconnection
• Drifting Pulsation Structure at the Very Beginning of the 2017 September 10 Limb Flare
• On-disk solar coronal condensations facilitated by magnetic reconnection between open and closed magnetic structures
• From Formation to Disruption: Observing the Multiphase Evolution of a Solar Flare Current Sheet
• Modeling the 10 September 2017 solar energetic particle event using the iPATH model
• A small-scale filament eruption inducing Moreton Wave, EUV Wave and Coronal Mass Ejection
• Magnetic reconnection between loops accelerated by a nearby filament eruption
• Current sheets in the wake of an eruption of two crossing filaments
• Transition-region explosive events produced by plasmoid instability
• Simultaneous Observations of Chromospheric Evaporation and Condensation during a C-class Flare
• A statistical study of the plasma and composition distribution inside magnetic clouds: 1998-2011
• Saddle-shaped solar flare arcades
• An investigation of flare emissions at multiple wavelengths
• Two-dimensional modeling of the tearing-mode-governed magnetic reconnection in the large-scale current sheet above the two-ribbon flare
• From eruption to post-flare rain: a 2.5D MHD model
• An Observational Test of Solar Plasma Heating by Magnetic Flux Cancellation
• Transverse vertical oscillations during the contraction and expansion of coronal loops
• Limb Observations of Global Solar Coronal Extreme-ultraviolet Wavefronts: The Inclination, Kinematics, Coupling with the Expanding Coronal Mass Ejections, and Connection with the Coronal Mass Ejection Driven Shocks
• Lateral Deformation of Large-scale Coronal Mass Ejections during the Transition from Non-radial to Radial Propagation
• Extended Drag-Based Model for better predicting the evolution of Coronal Mass Ejections
• Quasi-Periodic Pulsations Detected in Ly$\alpha$ and Nonthermal Emissions During Solar Flares
• Role of magnetic shear distribution on the formation of eruptive flux ropes