Conditions of High Helium Concentrations in Coronal Mass Ejections

We analyze the structure and composition of 248 ICMEs observed by the Wind spacecraft from February 1995 to December 2015. We group each event based on their doubly ionized Helium concentration within the magnetic cloud region into either the high‐concentration (i.e., >8% for at least 25% of the...

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Bibliographic Details
Published in:Journal of geophysical research. Space physics 2024-12, Vol.129 (12), p.n/a
Main Authors: Starkey, M. J., Fuselier, S. A., Dayeh, M. A.
Format: Article
Language:English
Subjects:
Coronal mass ejection
coronal mass ejections
Dynamic pressure
Earth
Earth magnetosphere
Geomagnetic activity
Geomagnetism
Helium
Helium content
Helium ions
Interplanetary space
Ion heating
Magnetic clouds
Magnetic fields
Magnetic flux
Magnetic reconnection
Magnetopause
Parameter identification
Pressure effects
Sheaths
Solar corona
Solar wind
Spacecraft
Wind effects
Wind spacecraft
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Summary:We analyze the structure and composition of 248 ICMEs observed by the Wind spacecraft from February 1995 to December 2015. We group each event based on their doubly ionized Helium concentration within the magnetic cloud region into either the high‐concentration (i.e., >8% for at least 25% of the magnetic cloud) or nominal‐concentration (i.e.,
ISSN:2169-9380
2169-9402
DOI:10.1029/2024JA033099