Plasma Interactions with the Space Environment in the Acceleration Region: Indications of CME-trailing Reconnection Regions

Article

Jensen, Elizabeth A., Heiles, Carl, Wexler, David, Kepley, Amanda A., Kuiper, Thomas, Bisi, Mario M., Lorin, Deborah Domingue, Kuiper, Elizabeth V. and Vilas, Faith. 2018. "Plasma Interactions with the Space Environment in the Acceleration Region: Indications of CME-trailing Reconnection Regions." The Astrophysical Journal: an international review of astronomy and astronomical physics. 861 (2), pp. 1-12. https://doi.org/10.3847/1538-4357/aac5dd
Article Title

Plasma Interactions with the Space Environment in the Acceleration Region: Indications of CME-trailing Reconnection Regions

ERA Journal ID1057
Article CategoryArticle
AuthorsJensen, Elizabeth A. (Author), Heiles, Carl (Author), Wexler, David (Author), Kepley, Amanda A. (Author), Kuiper, Thomas (Author), Bisi, Mario M. (Author), Lorin, Deborah Domingue (Author), Kuiper, Elizabeth V. (Author) and Vilas, Faith (Author)
Journal TitleThe Astrophysical Journal: an international review of astronomy and astronomical physics
Journal Citation861 (2), pp. 1-12
Article Number118
Number of Pages12
Year2018
PublisherIOP Publishing
Place of PublicationUnited States
ISSN0004-637X
1538-4357
Digital Object Identifier (DOI)https://doi.org/10.3847/1538-4357/aac5dd
Web Address (URL)https://iopscience.iop.org/article/10.3847/1538-4357/aac5dd
Abstract

Coronal mass ejections (CMEs) are sources of major geomagnetic disturbances. On 2013 May 10, a CME crossed the signal path between the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft and Earth. Using the MESSENGER signal, characteristics of the density, velocity, and magnetic field properties of the crossing plasma were measured. An anomalously strong event occurred in the plasma trailing the CME's passage that correlated with a wave mode conversion, indicating a potential reconnection region. We determine that the plasma following CMEs should be considered when studying how CMEs evolve in interplanetary space and the severity of their geomagnetic impact.

Keywordsmagnetic reconnection – methods: observational – plasmas – polarization – Sun: coronal mass ejections (CMEs)
ANZSRC Field of Research 2020510108. Solar physics
Byline AffiliationsPlanetary Science Institute, United States
University of California, United States
University of Southern Queensland
National Radio Astronomy Observatory, United States
California Institute of Technology (Caltech), United States
Science and Technology Facilities Council, United Kingdom
STAR Prep Academy, United States
Institution of OriginUniversity of Southern Queensland
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