A comparison of solar helium-3-rich events with type II bursts and coronal mass ejections

Details A comparison of solar helium-3-rich events with type II bursts and coronal mass ejections A comparison of solar helium-3-rich events with type II bursts and coronal mass ejections

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...290..742k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 290, March 15, 1985, p. 742-747.

Astronomy and Astrophysics

Astrophysics

35

Abundance, Coronal Loops, Solar Corpuscular Radiation, Solar Flares, Stellar Mass Ejection, Type 2 Bursts, Energetic Particles, Helium, Particle Acceleration

Scientific paper

The authors ask whether the energetic particles of 3He-rich events are accelerated in the same process as that resulting in particles of normal-abundance events. They first present a list of 66 3He-rich events observed with the Goddard Space Flight Center particle detector on ISEE 3. It is then shown that these events are not statistically associated with either of the two common signatures of normal-abundance events, metric type II bursts and coronal mass ejections. This indicates that enhanced abundance events may be produced only in the impulsive phases of flares, while normal abundance events are produced in subsequent flare shock waves.

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