Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh31b2003d&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SH31B-2003
Astronomy and Astrophysics
Astrophysics
[7519] Solar Physics, Astrophysics, And Astronomy / Flares
Scientific paper
Gamma-ray line flares are typically relegated to larger flares (M-class or greater). Whether small flares exhibit gamma-ray line emission is not clear due to a lack in instrumentation capable of operating above the sensitivity threshold for observing gamma-ray emission from small flares (less than a C-class). The COMPton TELescope (COMPTEL) aboard the Compton Gamma Ray Observatory (CGRO) provided unprecedented, and as yet unsurpassed, sensitivity to γ rays in the 0.7 to 30 MeV energy range. We have identified a handful of small gamma-ray flares during the first half of 2000, when COMPTEL often had the Sun its field of view. We have refined our algorithm for transforming the raw count spectrum into a photon spectrum with identifiable nuclear lines. Several of these small flares are associated with 3He-rich SEP events. We discuss our deconvolution algorithm, the identified correlations with small impulsive or 3He-rich events, and relate these results to SEP origin.
de Nolfo Georgia Adair
Young Carolynn
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