PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Solar & Heliospheric Physics (SH)
Parker Solar Probe Energetic Particle Observations of the September 5, 2022 SEP Event
C. Cohen*, E. Christian, A.C. Cummings, A. Davis, G.A. De Nolfo, M. Desai, J. Giacalone, M. Hill, A. Labrador, R. Leske, D. McComas, R.L. McNutt Jr., R.A. Mewaldt, D.G. Mitchell, J. Mitchell, J. Rankin, N. Schwadron, T. Sharma, M. Shen, J. Szalay, M. Wiedenbeck, A. Vourlidas, S. Bale, M. Pulupa, J. Kasper, D. Larson and P. Whittleseyet al. (click to show)
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Pre-published on: July 25, 2023
Published on: —
Abstract
On September 5, 2022 Parker Solar Probe (Parker) was less than 17 RS from the Sun when the Integrated Science Investigation of the Sun (ISʘIS) observed an intense solar energetic particle (SEP) event associated with a strong soft x-ray flare and a very fast coronal mass ejection (CME). The energy dependence of the particle onsets indicate shock acceleration both far and close to the spacecraft providing a unique opportunity to study the evolution of particle energization. Significant time variability of the characteristics of the energetic particle population is evident and has been examined in relation to magnetic and plasma structures and expectations from acceleration processes. We present an overview of these observations and highlight a few of the ongoing studies.
DOI: https://doi.org/10.22323/1.444.1276
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