- SM21E-2446: Dayside Local Reconnection Rates in global hybrid simulation: Impact of IMF, Probe Methodology, and Reconnection Configuration
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Board 2446‚ Hall EFG (Poster Hall)NOLA CC
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Henry Przygocki, Auburn University (First Author, Presenting Author)
Yu Lin, Auburn University
Earth’s magnetic field, the magnetosphere, acts as a shield against the constant flow of energy and particles from the Sun. Occasionally, the Sun's magnetic field lines can clash with Earth's, triggering a process called 'magnetic reconnection.' This event breaks and rapidly reconfigures the magnetic field, converting magnetic energy into particle energy, which in turn drives space weather phenomena like the aurora borealis and can disrupt satellites and power grids. A key challenge in space physics is to accurately quantify the speed of this energy conversion, known as the 'reconnection rate.'This study uses advanced computer simulations to model reconnection at the boundary of Earth's magnetosphere. Within this model, we fly a 'virtual spacecraft' through reconnection events to measure the local energy conversion rate. We test how our measurements are affected by different solar wind conditions and by the specific path our virtual probe takes through the event.
By comparing these results, we can better understand and validate the techniques used to analyze data from real spacecraft. This work is crucial for refining our understanding of how this fundamental process operates under various solar conditions, ultimately improving our ability to forecast space weather and protect critical infrastructure.
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