Re-flaring of a Post-Flare Loop System Driven by Flux Rope Emergence and Twisting
arXiv:1005.1720 · doi:10.1088/2041-8205/716/1/L68
Abstract
In this letter, we study in detail the evolution of the post-flare loops on 2005 January 15 that occurred between two consecutive solar eruption events, both of which generated a fast halo CME and a major flare. The post-flare loop system, formed after the first CME/flare eruption, evolved rapidly, as manifested by the unusual accelerating rise motion of the loops. Through nonlinear force-free field (NLFFF) models, we obtain the magnetic structure over the active region. It clearly shows that the flux rope below the loops also kept rising accompanied with increasing twist and length. Finally, the post-flare magnetic configuration evolved to a state that resulted in the second CME/flare eruption. This is an event in which the post-flare loops can re-flare in a short period of 16 hr following the first CME/flare eruption. The observed re-flaring at the same location is likely driven by the rapid evolution of the flux rope caused by the magnetic flux emergence and the rotation of the sunspot. This observation provides valuable information on CME/flare models and their prediction.
11 pages, 4 figures, 1 table, accepted for publication in ApJ Letter
References in corpus (8)
- Torus instability
- Optimization code with weighting function for the reconstruction of coronal magnetic fields
- Preprocessing of vector magnetograph data for a non-linear force-free magnetic field reconstruction
- Non-linear force-free field modeling of a solar active region around the time of a major flare and coronal mass ejection
- Driving major solar flares and eruptions: a review
- Study the build-up, initiation and acceleration of 2008 April 26 coronal mass ejection observed by STEREO
- A statistical study of the post-impulsive-phase acceleration of flare-associated coronal mass ejections
- Determination of Topology Skeleton of Magnetic Fields in a Solar Active Region
Cited by in corpus (19)
- Differential Emission Measure Analysis of Multiple Structural Components of Coronal Mass Ejections in the Inner Corona
- Observing Flux Rope Formation During the Impulsive Phase of a Solar Eruption
- The Driver of Coronal Mass Ejections in the Low Corona: A Flux Rope
- Formation of a Double-decker Magnetic Flux Rope in the Sigmoidal Solar Active Region 11520
- A Comparative Study of Confined and Eruptive Flares in NOAA AR 10720
- Twist Accumulation and Topology Structure of a Solar Magnetic Flux Rope
- Tracking the Evolution of A Coherent Magnetic Flux Rope Continuously from the Inner to the Outer Corona
- Nonlinear Force-Free Field Extrapolation of a Coronal Magnetic Flux Rope Supporting a Large-Scale Filament from Photospheric Vector Magnetogram
- Magnetic Field Extrapolations in the Corona: Success and Future Improvements
- Signatures of magnetic reconnection at boundaries of interplanetary small-scale magnetic flux ropes
- The eruption of a small-scale emerging flux rope as the driver of an M-class flare and a coronal mass ejection
- Differential emission measure Analysis of a limb solar flare on 2012 July 19
- Gradual Inflation of Active-Region Coronal Arcades Building up to Coronal Mass Ejections
- Testing a Solar Coronal Magnetic Field Extrapolation Code with the Titov-Demoulin Magnetic Flux Rope Model
- The Kinematic Evolution of Erupting Structures in Confined Solar Flares
- Observations of Post-flare Plasma Dynamics during an M1.0 Flare in AR11093 by SDO/AIA
- A Comparison Study of a Solar Active-Region Eruptive Filament and a Neighboring Non-Eruptive Filament
- A Peculiar Microwave Quasi-periodic Pulsation with Zigzag Pattern in a CME-related Flare on 2005-01-15
- Moving Plasma Structures and Possible Driving Mechanisms of Solar Microflares Observed with High-Resolution Coronal Imaging