Multiple Reconnection X‐Lines at the Magnetopause and Overlapping Cusp Ion Injections

S. A. Fuselier; C. A. Kletzing; S. M. Petrinec; K. J. Trattner; D. George; S. R. Bounds; R. P. Sawyer; J. W. Bonnell; J. L. Burch; B. L. Giles; R. J. Strangeway

doi:10.1029/2022JA030354

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Multiple Reconnection X‐Lines at the Magnetopause and Overlapping Cusp Ion Injections

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Multiple Reconnection X‐Lines at the Magnetopause and Overlapping Cusp Ion Injections

S. A. Fuselier, C. A. Kletzing, S. M. Petrinec, K. J. Trattner, D. George, S. R. Bounds, R. P. Sawyer, J. W. Bonnell, J. L. Burch, B. L. Giles, …

Journal of geophysical research. Space physics, Vol.127(5), e2022JA030354

05/2022

DOI: 10.1029/2022JA030354

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Abstract

Magnetospheric Multiscale (MMS) observations during an extended crossing of the Earth's dayside magnetopause show evidence of multiple reconnections at the boundary. This crossing occurred when the Interplanetary Magnetic Field (IMF) was southward and had a significant BY component. Approximately 2 hr after this crossing, the Twin Rocket Investigation of Cusp Electrodynamics-2 rockets were launched into the northern hemisphere cusp and observed overlapping cusp ion injections. These overlapping injections are also evidence of multiple reconnections at the magnetopause. Observations more than 2 hr apart do not constitute conjunction between the spacecraft and the rockets. However, the IMF conditions during the magnetopause crossing and the cusp traversal were very similar. Therefore, had the magnetopause crossings and cusp traversals occurred at the same time, the observations would have been similar. Thus, these two events illustrate the link between multiple reconnections at the magnetopause and overlapping cusp ion injections.

Details

Title: Subtitle: Multiple Reconnection X‐Lines at the Magnetopause and Overlapping Cusp Ion Injections
Creators: S. A. Fuselier - Southwest Research Institute
C. A. Kletzing - University of Iowa
S. M. Petrinec - Lockheed Martin (United States)
K. J. Trattner - University of Colorado Boulder
D. George - Southwest Research Institute
S. R. Bounds - University of Iowa
R. P. Sawyer - University of Iowa
J. W. Bonnell - University of California, Berkeley
J. L. Burch - Southwest Research Institute
B. L. Giles - Laboratory for Atmospheric and Space Physics
R. J. Strangeway - University of California, Los Angeles
Resource Type: Journal article
Publication Details: Journal of geophysical research. Space physics, Vol.127(5), e2022JA030354
DOI: 10.1029/2022JA030354
ISSN: 2169-9380
eISSN: 2169-9402
Grant note: DOI: 10.13039/100006198, name: Goddard Space Flight Center, award: NNG04EB99 C, NNX15AL08 G
Language: English
Date published: 05/2022
Academic Unit: Physics and Astronomy
Record Identifier: 9984428679702771

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