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Understanding the Physical Nature of Coronal "EIT Waves" View all abstracts by submitter

David Long   Submitted: 2016-11-21 03:14

For almost 20 years the physical nature of globally propagating waves in the solar corona (commonly called "EIT waves") has been controversial and subject to debate. Additional theories have been proposed over the years to explain observations that did not fit with the originally proposed fast-mode wave interpretation. However, the incompatibility of observations made using the Extreme-ultraviolet Imaging Telescope (EIT) onboard the Solar and Heliospheric Observatory with the fast-mode wave interpretation was challenged by differing viewpoints from the twin Solar Terrestrial Relations Observatory spacecraft and higher spatial/temporal resolution data from the Solar Dynamics Observatory. In this article, we reexamine the theories proposed to explain "EIT waves" to identify measurable properties and behaviours that can be compared to current and future observations. Most of us conclude that "EIT waves" are best described as fast-mode large-amplitude waves/shocks that are initially driven by the impulsive expansion of an erupting coronal mass ejection in the low corona.

Authors: David M. Long, D. Shaun Bloomfield, Peng-Fei Chen, Cooper Downs, Peter T. Gallagher, Ryun Young Kwon, Kamalam Vanninathan, Astrid M. Veronig, Angelos Vourlidas, Bojan Vrsnak, Alexander Warmuth, Tomislav Zic
Projects: SDO-AIA,SoHO-EIT,STEREO

Publication Status: Accepted for publication in Solar Physics
Last Modified: 2016-11-21 12:28
Go to main E-Print page  Magnetic Flux Cancelation as the Trigger of Solar Quiet-region Coronal Jets  Scaling Relations in Coronal Mass Ejections and Energetic Proton Events associated with Solar Superflares  Edit Entry  Download Preprint  Submitter's Homepage Delete Entry 

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