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| Paper: |
Observational Consequences of Flux Emergence from the Photosphere to the Corona: the Role of Interactions |
| Volume: |
455, 4th Hinode Science Meeting: Unsolved Problems and Recent Insights |
| Page: |
109 |
| Authors: |
Guglielmino, S. L. |
| Abstract: |
The emergence of magnetic flux from the solar interior is commonly
believed to be the physical process responsible for many dynamical
phenomena observed on the Sun. In particular, the interaction between
emerging magnetic flux and the pre-existing ambient fields causing
magnetic reconnection has become a "hot" topic for both numerical
simulations and high-resolution observations of the solar
atmosphere. Small-scale brightenings, Ellerman bombs and surges, but
also large-scale events, like flares and CMEs, have recently been
interpreted as the response to the modification of the coronal
magnetic field caused by episodes of flux emergence. I report on some
case studies of high-resolution observations of flux emergence
episodes at different spatial scales, carried out using both space
satellites and ground-based telescopes, which have revealed clear
signatures of the interaction occurring throughout the highly
stratified layers of the solar atmosphere. |
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