Computer Science
Scientific paper
Nov 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..598..349b&link_type=abstract
SOLAR AND GALACTIC COMPOSITION: A Joint SOHO/ACE Workshop. AIP Conference Proceedings, Volume 598, pp. 349-352 (2001).
Computer Science
3
Cosmic Rays, Particle Emission, Solar Wind, Solar Interior, Time Series Analysis, Time Variability
Scientific paper
We present first results based on a systematic survey of 4-41 MeV/N 3He/4He isotope abundances with ratios >0.01 detected by the COmprehensive SupraThermal and Energetic Particle analyzer (COSTEP) onboard the SOHO (SOlar and Heliospheric Observatory) spacecraft. During 53 out of 148 identified days with a 3He/4He ratio >=0.01, the ratio was in the range 0.1-1.0. For days with sufficiently high detector count rates, the atomic mass plots could be resolved up to a time resolution of 1 hour. These days were most suitable for comparisons with in situ solar wind plasma and magnetic field measurements and SOHO's optical white-light and extreme ultraviolet (EUV) observations of the Sun. Here we present a brief overview of a 3He/4He-rich particle event detected on October 30, 2000 that was associated with the passage of a fast CME. .
Bohm E.
Bothmer Volker
Kunow Horst
Sierks Holger
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