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- W2091296017 abstract "We have explored the moving structures in a coronal bright point (CBP) observed by the Solar Dynamic Observatory Atmospheric Imaging Assembly (AIA) on 2011 March 5. This CBP event has a lifetime of ∼20 minutes and is bright with a curved shape along a magnetic loop connecting a pair of negative and positive fields. AIA imaging observations show that a lot of bright structures are moving intermittently along the loop legs toward the two footpoints from the CBP brightness core. Such moving bright structures are clearly seen at AIA 304 Å. In order to analyze their features, the CBP is cut along the motion direction with a curved slit which is wide enough to cover the bulk of the CBP. After integrating the flux along the slit width, we get the spacetime slices at nine AIA wavelengths. The oblique streaks starting from the edge of the CBP brightness core are identified as moving bright structures, especially on the derivative images of the brightness spacetime slices. They seem to originate from the same position near the loop top. We find that these oblique streaks are bi-directional, simultaneous, symmetrical, and periodic. The average speed is about 380 km s−1, and the period is typically between 80 and 100 s. Nonlinear force-free field extrapolation shows the possibility that magnetic reconnection takes place during the CBP, and our findings indicate that these moving bright structures could be the observational outflows after magnetic reconnection in the CBP." @default.
- W2091296017 created "2016-06-24" @default.
- W2091296017 creator A5016804729 @default.
- W2091296017 creator A5046522302 @default.
- W2091296017 date "2014-09-25" @default.
- W2091296017 modified "2023-09-30" @default.
- W2091296017 title "INVESTIGATION OF THE MOVING STRUCTURES IN A CORONAL BRIGHT POINT" @default.
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- W2091296017 doi "https://doi.org/10.1088/0004-637x/794/1/79" @default.
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