Current Location:home > Detailed Browse

Article Detail

SOLAR ENERGETIC PARTICLE EVENT ASSOCIATED WITH THE 2012 JULY 23 EXTREME SOLAR STORM

Abstracts

We study the solar energetic particle (SEP) event associated with the 2012 July 23 extreme solar storm, for which Solar Terrestrial Relations Observatory (STEREO) and the spacecraft at L1 provide multi-point remote sensing and in situ observations. The extreme solar storm, with a superfast shock and extremely enhanced ejecta magnetic fields observed near 1 au at STEREO A, was caused by the combination of successive coronal mass ejections (CMEs). Meanwhile, energetic particles were observed by STEREO and near-Earth spacecraft such as the Advanced Composition Explorer and SOlar and Heliospheric Observatory, suggesting a wide longitudinal spread of the particles at 1 au. Combining the SEP observations with in situ plasma and magnetic field measurements, we investigate the longitudinal distribution of the SEP event in connection with the associated shock and CMEs. Our results underscore the complex magnetic configuration of the inner heliosphere formed by solar eruptions. Examination of particle intensities, proton anisotropy distributions, element abundance ratios, magnetic connectivity, and spectra also gives important clues for particle acceleration, transport, and distribution.
Download Comment Hits:883 Downloads:371
Journal:ASTROPHYSICAL JOURNAL
Recommended references: Zhu, Bei,Liu, Ying D.,Luhmann, Janet G.,Hu, Huidong,Wang, Rui,Yang, Zhongwei.(2016).SOLAR ENERGETIC PARTICLE EVENT ASSOCIATED WITH THE 2012 JULY 23 EXTREME SOLAR STORM.ASTROPHYSICAL JOURNAL.[ChinaXiv:201612.00111] (Click&Copy)
Version History
[V1] 2016-12-26 15:41:12 chinaXiv:201612.00111V1 Download
Related Paper

Download

Current Browse

Change Subject Browse

Cross Subject Browse

  • - NO