Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542202k&link_type=abstract
American Astronomical Society, AAS Meeting #215, #422.02; Bulletin of the American Astronomical Society, Vol. 42, p.291
Astronomy and Astrophysics
Astronomy
1
Scientific paper
Solar flares, as seen in the chromosphere and corona, mostly occur in regions of sunspot activity as identified in the photosphere. The purpose of this study was to understand and identify characteristics of sunspots leading to solar flares. The parameters examined were the penumbral area, umbral area, mean penumbral intensity, mean umbral intensity and irradiance reduction due to sunspots. The temporal fluctuations of these parameters were explored to identify their relationship to the flaring situation. Trends were identified before and after solar flares. The study concluded that while the penumbral area, umbral area and irradiance showed promise as possible parameters for predicting solar flares, particularly M-class flares. This poster will discuss the results of these analyses and presents a basis from which future work can be developed.
Balasubramaniam K. S.
Kasper Devin
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