Near-Relativistic Beam-Like Electron Events Observed at 1 AU

Details Near-Relativistic Beam-Like Electron Events Observed at 1 AU Near-Relativistic Beam-Like Electron Events Observed at 1 AU

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsh21d..03h&link_type=abstract

American Geophysical Union, Spring Meeting 2002, abstract #SH21D-03

Physics

7509 Corona, 7513 Coronal Mass Ejections, 7514 Energetic Particles (2114), 7534 Radio Emissions

Scientific paper

Near-relativistic electron beams observed near Earth provide unique information on their solar acceleration process. Over 80 such events have been identified by ACE/EPAM from 1997 through 2000. Observations by SOHO/LASCO around the release time of these electrons indicates many of these well-connected beam-like electron events are associated with transient coronal activity. Correlations between these escaping near-relativistic electron events and coronal electromagnetic (EM) emissions (Soft Xray events, optical flares, microwave events, and type-III radio bursts) indicate that the electrons are typically injected ~10 minutes after the EM emissions. Ions are frequently observed at 1 AU in clear association with these electron events. The velocity dispersion of the ions indicate a coronal release time near that of the electrons. This presentation will cover the observations at 1 AU associated with these near-relativistic electron events.

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