Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.2201k&link_type=abstract
American Astronomical Society, SPD meeting #42, #22.01; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Solar sequential chromospheric brightenings (SCBs) are typically observed in conjunction with flares that have associated coronal mass ejections (CMEs). To characterize these ephemeral events, we developed automated procedures to identify and track subsections of large solar flares and the SCBs using the ISOON telescope's H-alpha data. This software package extracts physical quantities such as temporal variation of flare and SCB intensities, apparent proper motion of the moving ribbons, and the speed of SCB intensity propagation. Overlying the extracted features onto complementary datasets, we obtain underlying Doppler velocity and magnetic intensity measurements. We demonstrate that flare ribbons can be fully characterized by subdividing them into discrete flare kernels. We also present evidence that SCBs are a different class of brightening than the flare ribbons.
Balasubramaniam K. S.
Jackiewicz Jason
Kirk Michael S.
McAteer James
Milligan Ryan
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